ncdu-1.12/0000755000175000017500000000000012757367102007401 500000000000000ncdu-1.12/deps/0000755000175000017500000000000012757367102010334 500000000000000ncdu-1.12/deps/yopt.h0000644000175000017500000001206412267753252011424 00000000000000/* Copyright (c) 2012-2013 Yoran Heling Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* This is a simple command-line option parser. Operation is similar to * getopt_long(), except with a cleaner API. * * This is implemented in a single header file, as it's pretty small and you * generally only use an option parser in a single .c file in your program. * * Supports (examples from GNU tar(1)): * "--gzip" * "--file " * "--file=" * "-z" * "-f " * "-f" * "-zf " * "-zf" * "--" (To stop looking for futher options) * "" (Non-option arguments) * * Issues/non-features: * - An option either requires an argument or it doesn't. * - No way to specify how often an option can/should be used. * - No way to specify the type of an argument (filename/integer/enum/whatever) */ #ifndef YOPT_H #define YOPT_H #include #include #include #include typedef struct { /* Value yopt_next() will return for this option */ int val; /* Whether this option needs an argument */ int needarg; /* Name(s) of this option, prefixed with '-' or '--' and separated by a * comma. E.g. "-z", "--gzip", "-z,--gzip". * An option can have any number of aliasses. */ const char *name; } yopt_opt_t; typedef struct { int argc; int cur; int argsep; /* '--' found */ char **argv; char *sh; const yopt_opt_t *opts; char errbuf[128]; } yopt_t; /* opts must be an array of options, terminated with an option with val=0 */ static inline void yopt_init(yopt_t *o, int argc, char **argv, const yopt_opt_t *opts) { o->argc = argc; o->argv = argv; o->opts = opts; o->cur = 0; o->argsep = 0; o->sh = NULL; } static inline const yopt_opt_t *_yopt_find(const yopt_opt_t *o, const char *v) { const char *tn, *tv; for(; o->val; o++) { tn = o->name; while(*tn) { tv = v; while(*tn && *tn != ',' && *tv && *tv != '=' && *tn == *tv) { tn++; tv++; } if(!(*tn && *tn != ',') && !(*tv && *tv != '=')) return o; while(*tn && *tn != ',') tn++; while(*tn == ',') tn++; } } return NULL; } static inline int _yopt_err(yopt_t *o, char **val, const char *fmt, ...) { va_list va; va_start(va, fmt); vsnprintf(o->errbuf, sizeof(o->errbuf), fmt, va); va_end(va); *val = o->errbuf; return -2; } /* Return values: * 0 -> Non-option argument, val is its value * -1 -> Last argument has been processed * -2 -> Error, val will contain the error message. * x -> Option with val = x found. If the option requires an argument, its * value will be in val. */ static inline int yopt_next(yopt_t *o, char **val) { const yopt_opt_t *opt; char sh[3]; *val = NULL; if(o->sh) goto inshort; if(++o->cur >= o->argc) return -1; if(!o->argsep && o->argv[o->cur][0] == '-' && o->argv[o->cur][1] == '-' && o->argv[o->cur][2] == 0) { o->argsep = 1; if(++o->cur >= o->argc) return -1; } if(o->argsep || *o->argv[o->cur] != '-') { *val = o->argv[o->cur]; return 0; } if(o->argv[o->cur][1] != '-') { o->sh = o->argv[o->cur]+1; goto inshort; } /* Now we're supposed to have a long option */ if(!(opt = _yopt_find(o->opts, o->argv[o->cur]))) return _yopt_err(o, val, "Unknown option '%s'", o->argv[o->cur]); if((*val = strchr(o->argv[o->cur], '=')) != NULL) (*val)++; if(!opt->needarg && *val) return _yopt_err(o, val, "Option '%s' does not accept an argument", o->argv[o->cur]); if(opt->needarg && !*val) { if(o->cur+1 >= o->argc) return _yopt_err(o, val, "Option '%s' requires an argument", o->argv[o->cur]); *val = o->argv[++o->cur]; } return opt->val; /* And here we're supposed to have a short option */ inshort: sh[0] = '-'; sh[1] = *o->sh; sh[2] = 0; if(!(opt = _yopt_find(o->opts, sh))) return _yopt_err(o, val, "Unknown option '%s'", sh); o->sh++; if(opt->needarg && *o->sh) *val = o->sh; else if(opt->needarg) { if(++o->cur >= o->argc) return _yopt_err(o, val, "Option '%s' requires an argument", sh); *val = o->argv[o->cur]; } if(!*o->sh || opt->needarg) o->sh = NULL; return opt->val; } #endif /* vim: set noet sw=4 ts=4: */ ncdu-1.12/deps/khash.h0000644000175000017500000005127412267753270011535 00000000000000/* The MIT License Copyright (c) 2008, 2009, 2011 by Attractive Chaos Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* An example: #include "khash.h" KHASH_MAP_INIT_INT(32, char) int main() { int ret, is_missing; khiter_t k; khash_t(32) *h = kh_init(32); k = kh_put(32, h, 5, &ret); kh_value(h, k) = 10; k = kh_get(32, h, 10); is_missing = (k == kh_end(h)); k = kh_get(32, h, 5); kh_del(32, h, k); for (k = kh_begin(h); k != kh_end(h); ++k) if (kh_exist(h, k)) kh_value(h, k) = 1; kh_destroy(32, h); return 0; } */ /* 2013-05-02 (0.2.8): * Use quadratic probing. When the capacity is power of 2, stepping function i*(i+1)/2 guarantees to traverse each bucket. It is better than double hashing on cache performance and is more robust than linear probing. In theory, double hashing should be more robust than quadratic probing. However, my implementation is probably not for large hash tables, because the second hash function is closely tied to the first hash function, which reduce the effectiveness of double hashing. Reference: http://research.cs.vt.edu/AVresearch/hashing/quadratic.php 2011-12-29 (0.2.7): * Minor code clean up; no actual effect. 2011-09-16 (0.2.6): * The capacity is a power of 2. This seems to dramatically improve the speed for simple keys. Thank Zilong Tan for the suggestion. Reference: - http://code.google.com/p/ulib/ - http://nothings.org/computer/judy/ * Allow to optionally use linear probing which usually has better performance for random input. Double hashing is still the default as it is more robust to certain non-random input. * Added Wang's integer hash function (not used by default). This hash function is more robust to certain non-random input. 2011-02-14 (0.2.5): * Allow to declare global functions. 2009-09-26 (0.2.4): * Improve portability 2008-09-19 (0.2.3): * Corrected the example * Improved interfaces 2008-09-11 (0.2.2): * Improved speed a little in kh_put() 2008-09-10 (0.2.1): * Added kh_clear() * Fixed a compiling error 2008-09-02 (0.2.0): * Changed to token concatenation which increases flexibility. 2008-08-31 (0.1.2): * Fixed a bug in kh_get(), which has not been tested previously. 2008-08-31 (0.1.1): * Added destructor */ #ifndef __AC_KHASH_H #define __AC_KHASH_H /*! @header Generic hash table library. */ #define AC_VERSION_KHASH_H "0.2.8" #include #include #include /* compiler specific configuration */ #if UINT_MAX == 0xffffffffu typedef unsigned int khint32_t; #elif ULONG_MAX == 0xffffffffu typedef unsigned long khint32_t; #endif #if ULONG_MAX == ULLONG_MAX typedef unsigned long khint64_t; #else typedef unsigned long long khint64_t; #endif #ifdef _MSC_VER #define kh_inline __inline #else #define kh_inline inline #endif typedef khint32_t khint_t; typedef khint_t khiter_t; #define __ac_isempty(flag, i) ((flag[i>>4]>>((i&0xfU)<<1))&2) #define __ac_isdel(flag, i) ((flag[i>>4]>>((i&0xfU)<<1))&1) #define __ac_iseither(flag, i) ((flag[i>>4]>>((i&0xfU)<<1))&3) #define __ac_set_isdel_false(flag, i) (flag[i>>4]&=~(1ul<<((i&0xfU)<<1))) #define __ac_set_isempty_false(flag, i) (flag[i>>4]&=~(2ul<<((i&0xfU)<<1))) #define __ac_set_isboth_false(flag, i) (flag[i>>4]&=~(3ul<<((i&0xfU)<<1))) #define __ac_set_isdel_true(flag, i) (flag[i>>4]|=1ul<<((i&0xfU)<<1)) #define __ac_fsize(m) ((m) < 16? 1 : (m)>>4) #ifndef kroundup32 #define kroundup32(x) (--(x), (x)|=(x)>>1, (x)|=(x)>>2, (x)|=(x)>>4, (x)|=(x)>>8, (x)|=(x)>>16, ++(x)) #endif #ifndef kcalloc #define kcalloc(N,Z) calloc(N,Z) #endif #ifndef kmalloc #define kmalloc(Z) malloc(Z) #endif #ifndef krealloc #define krealloc(P,Z) realloc(P,Z) #endif #ifndef kfree #define kfree(P) free(P) #endif static const double __ac_HASH_UPPER = 0.77; #define __KHASH_TYPE(name, khkey_t, khval_t) \ typedef struct { \ khint_t n_buckets, size, n_occupied, upper_bound; \ khint32_t *flags; \ khkey_t *keys; \ khval_t *vals; \ } kh_##name##_t; #define __KHASH_PROTOTYPES(name, khkey_t, khval_t) \ extern kh_##name##_t *kh_init_##name(void); \ extern void kh_destroy_##name(kh_##name##_t *h); \ extern void kh_clear_##name(kh_##name##_t *h); \ extern khint_t kh_get_##name(const kh_##name##_t *h, khkey_t key); \ extern int kh_resize_##name(kh_##name##_t *h, khint_t new_n_buckets); \ extern khint_t kh_put_##name(kh_##name##_t *h, khkey_t key, int *ret); \ extern void kh_del_##name(kh_##name##_t *h, khint_t x); #define __KHASH_IMPL(name, SCOPE, khkey_t, khval_t, kh_is_map, __hash_func, __hash_equal) \ SCOPE kh_##name##_t *kh_init_##name(void) { \ return (kh_##name##_t*)kcalloc(1, sizeof(kh_##name##_t)); \ } \ SCOPE void kh_destroy_##name(kh_##name##_t *h) \ { \ if (h) { \ kfree((void *)h->keys); kfree(h->flags); \ kfree((void *)h->vals); \ kfree(h); \ } \ } \ SCOPE void kh_clear_##name(kh_##name##_t *h) \ { \ if (h && h->flags) { \ memset(h->flags, 0xaa, __ac_fsize(h->n_buckets) * sizeof(khint32_t)); \ h->size = h->n_occupied = 0; \ } \ } \ SCOPE khint_t kh_get_##name(const kh_##name##_t *h, khkey_t key) \ { \ if (h->n_buckets) { \ khint_t k, i, last, mask, step = 0; \ mask = h->n_buckets - 1; \ k = __hash_func(key); i = k & mask; \ last = i; \ while (!__ac_isempty(h->flags, i) && (__ac_isdel(h->flags, i) || !__hash_equal(h->keys[i], key))) { \ i = (i + (++step)) & mask; \ if (i == last) return h->n_buckets; \ } \ return __ac_iseither(h->flags, i)? h->n_buckets : i; \ } else return 0; \ } \ SCOPE int kh_resize_##name(kh_##name##_t *h, khint_t new_n_buckets) \ { /* This function uses 0.25*n_buckets bytes of working space instead of [sizeof(key_t+val_t)+.25]*n_buckets. */ \ khint32_t *new_flags = 0; \ khint_t j = 1; \ { \ kroundup32(new_n_buckets); \ if (new_n_buckets < 4) new_n_buckets = 4; \ if (h->size >= (khint_t)(new_n_buckets * __ac_HASH_UPPER + 0.5)) j = 0; /* requested size is too small */ \ else { /* hash table size to be changed (shrink or expand); rehash */ \ new_flags = (khint32_t*)kmalloc(__ac_fsize(new_n_buckets) * sizeof(khint32_t)); \ if (!new_flags) return -1; \ memset(new_flags, 0xaa, __ac_fsize(new_n_buckets) * sizeof(khint32_t)); \ if (h->n_buckets < new_n_buckets) { /* expand */ \ khkey_t *new_keys = (khkey_t*)krealloc((void *)h->keys, new_n_buckets * sizeof(khkey_t)); \ if (!new_keys) return -1; \ h->keys = new_keys; \ if (kh_is_map) { \ khval_t *new_vals = (khval_t*)krealloc((void *)h->vals, new_n_buckets * sizeof(khval_t)); \ if (!new_vals) return -1; \ h->vals = new_vals; \ } \ } /* otherwise shrink */ \ } \ } \ if (j) { /* rehashing is needed */ \ for (j = 0; j != h->n_buckets; ++j) { \ if (__ac_iseither(h->flags, j) == 0) { \ khkey_t key = h->keys[j]; \ khval_t val; \ khint_t new_mask; \ new_mask = new_n_buckets - 1; \ if (kh_is_map) val = h->vals[j]; \ __ac_set_isdel_true(h->flags, j); \ while (1) { /* kick-out process; sort of like in Cuckoo hashing */ \ khint_t k, i, step = 0; \ k = __hash_func(key); \ i = k & new_mask; \ while (!__ac_isempty(new_flags, i)) i = (i + (++step)) & new_mask; \ __ac_set_isempty_false(new_flags, i); \ if (i < h->n_buckets && __ac_iseither(h->flags, i) == 0) { /* kick out the existing element */ \ { khkey_t tmp = h->keys[i]; h->keys[i] = key; key = tmp; } \ if (kh_is_map) { khval_t tmp = h->vals[i]; h->vals[i] = val; val = tmp; } \ __ac_set_isdel_true(h->flags, i); /* mark it as deleted in the old hash table */ \ } else { /* write the element and jump out of the loop */ \ h->keys[i] = key; \ if (kh_is_map) h->vals[i] = val; \ break; \ } \ } \ } \ } \ if (h->n_buckets > new_n_buckets) { /* shrink the hash table */ \ h->keys = (khkey_t*)krealloc((void *)h->keys, new_n_buckets * sizeof(khkey_t)); \ if (kh_is_map) h->vals = (khval_t*)krealloc((void *)h->vals, new_n_buckets * sizeof(khval_t)); \ } \ kfree(h->flags); /* free the working space */ \ h->flags = new_flags; \ h->n_buckets = new_n_buckets; \ h->n_occupied = h->size; \ h->upper_bound = (khint_t)(h->n_buckets * __ac_HASH_UPPER + 0.5); \ } \ return 0; \ } \ SCOPE khint_t kh_put_##name(kh_##name##_t *h, khkey_t key, int *ret) \ { \ khint_t x; \ if (h->n_occupied >= h->upper_bound) { /* update the hash table */ \ if (h->n_buckets > (h->size<<1)) { \ if (kh_resize_##name(h, h->n_buckets - 1) < 0) { /* clear "deleted" elements */ \ *ret = -1; return h->n_buckets; \ } \ } else if (kh_resize_##name(h, h->n_buckets + 1) < 0) { /* expand the hash table */ \ *ret = -1; return h->n_buckets; \ } \ } /* TODO: to implement automatically shrinking; resize() already support shrinking */ \ { \ khint_t k, i, site, last, mask = h->n_buckets - 1, step = 0; \ x = site = h->n_buckets; k = __hash_func(key); i = k & mask; \ if (__ac_isempty(h->flags, i)) x = i; /* for speed up */ \ else { \ last = i; \ while (!__ac_isempty(h->flags, i) && (__ac_isdel(h->flags, i) || !__hash_equal(h->keys[i], key))) { \ if (__ac_isdel(h->flags, i)) site = i; \ i = (i + (++step)) & mask; \ if (i == last) { x = site; break; } \ } \ if (x == h->n_buckets) { \ if (__ac_isempty(h->flags, i) && site != h->n_buckets) x = site; \ else x = i; \ } \ } \ } \ if (__ac_isempty(h->flags, x)) { /* not present at all */ \ h->keys[x] = key; \ __ac_set_isboth_false(h->flags, x); \ ++h->size; ++h->n_occupied; \ *ret = 1; \ } else if (__ac_isdel(h->flags, x)) { /* deleted */ \ h->keys[x] = key; \ __ac_set_isboth_false(h->flags, x); \ ++h->size; \ *ret = 2; \ } else *ret = 0; /* Don't touch h->keys[x] if present and not deleted */ \ return x; \ } \ SCOPE void kh_del_##name(kh_##name##_t *h, khint_t x) \ { \ if (x != h->n_buckets && !__ac_iseither(h->flags, x)) { \ __ac_set_isdel_true(h->flags, x); \ --h->size; \ } \ } #define KHASH_DECLARE(name, khkey_t, khval_t) \ __KHASH_TYPE(name, khkey_t, khval_t) \ __KHASH_PROTOTYPES(name, khkey_t, khval_t) #define KHASH_INIT2(name, SCOPE, khkey_t, khval_t, kh_is_map, __hash_func, __hash_equal) \ __KHASH_TYPE(name, khkey_t, khval_t) \ __KHASH_IMPL(name, SCOPE, khkey_t, khval_t, kh_is_map, __hash_func, __hash_equal) #define KHASH_INIT(name, khkey_t, khval_t, kh_is_map, __hash_func, __hash_equal) \ KHASH_INIT2(name, static kh_inline, khkey_t, khval_t, kh_is_map, __hash_func, __hash_equal) /* --- BEGIN OF HASH FUNCTIONS --- */ /*! @function @abstract Integer hash function @param key The integer [khint32_t] @return The hash value [khint_t] */ #define kh_int_hash_func(key) (khint32_t)(key) /*! @function @abstract Integer comparison function */ #define kh_int_hash_equal(a, b) ((a) == (b)) /*! @function @abstract 64-bit integer hash function @param key The integer [khint64_t] @return The hash value [khint_t] */ #define kh_int64_hash_func(key) (khint32_t)((key)>>33^(key)^(key)<<11) /*! @function @abstract 64-bit integer comparison function */ #define kh_int64_hash_equal(a, b) ((a) == (b)) /*! @function @abstract const char* hash function @param s Pointer to a null terminated string @return The hash value */ static kh_inline khint_t __ac_X31_hash_string(const char *s) { khint_t h = (khint_t)*s; if (h) for (++s ; *s; ++s) h = (h << 5) - h + (khint_t)*s; return h; } /*! @function @abstract Another interface to const char* hash function @param key Pointer to a null terminated string [const char*] @return The hash value [khint_t] */ #define kh_str_hash_func(key) __ac_X31_hash_string(key) /*! @function @abstract Const char* comparison function */ #define kh_str_hash_equal(a, b) (strcmp(a, b) == 0) static kh_inline khint_t __ac_Wang_hash(khint_t key) { key += ~(key << 15); key ^= (key >> 10); key += (key << 3); key ^= (key >> 6); key += ~(key << 11); key ^= (key >> 16); return key; } #define kh_int_hash_func2(k) __ac_Wang_hash((khint_t)key) /* --- END OF HASH FUNCTIONS --- */ /* Other convenient macros... */ /*! @abstract Type of the hash table. @param name Name of the hash table [symbol] */ #define khash_t(name) kh_##name##_t /*! @function @abstract Initiate a hash table. @param name Name of the hash table [symbol] @return Pointer to the hash table [khash_t(name)*] */ #define kh_init(name) kh_init_##name() /*! @function @abstract Destroy a hash table. @param name Name of the hash table [symbol] @param h Pointer to the hash table [khash_t(name)*] */ #define kh_destroy(name, h) kh_destroy_##name(h) /*! @function @abstract Reset a hash table without deallocating memory. @param name Name of the hash table [symbol] @param h Pointer to the hash table [khash_t(name)*] */ #define kh_clear(name, h) kh_clear_##name(h) /*! @function @abstract Resize a hash table. @param name Name of the hash table [symbol] @param h Pointer to the hash table [khash_t(name)*] @param s New size [khint_t] */ #define kh_resize(name, h, s) kh_resize_##name(h, s) /*! @function @abstract Insert a key to the hash table. @param name Name of the hash table [symbol] @param h Pointer to the hash table [khash_t(name)*] @param k Key [type of keys] @param r Extra return code: 0 if the key is present in the hash table; 1 if the bucket is empty (never used); 2 if the element in the bucket has been deleted [int*] @return Iterator to the inserted element [khint_t] */ #define kh_put(name, h, k, r) kh_put_##name(h, k, r) /*! @function @abstract Retrieve a key from the hash table. @param name Name of the hash table [symbol] @param h Pointer to the hash table [khash_t(name)*] @param k Key [type of keys] @return Iterator to the found element, or kh_end(h) if the element is absent [khint_t] */ #define kh_get(name, h, k) kh_get_##name(h, k) /*! @function @abstract Remove a key from the hash table. @param name Name of the hash table [symbol] @param h Pointer to the hash table [khash_t(name)*] @param k Iterator to the element to be deleted [khint_t] */ #define kh_del(name, h, k) kh_del_##name(h, k) /*! @function @abstract Test whether a bucket contains data. @param h Pointer to the hash table [khash_t(name)*] @param x Iterator to the bucket [khint_t] @return 1 if containing data; 0 otherwise [int] */ #define kh_exist(h, x) (!__ac_iseither((h)->flags, (x))) /*! @function @abstract Get key given an iterator @param h Pointer to the hash table [khash_t(name)*] @param x Iterator to the bucket [khint_t] @return Key [type of keys] */ #define kh_key(h, x) ((h)->keys[x]) /*! @function @abstract Get value given an iterator @param h Pointer to the hash table [khash_t(name)*] @param x Iterator to the bucket [khint_t] @return Value [type of values] @discussion For hash sets, calling this results in segfault. */ #define kh_val(h, x) ((h)->vals[x]) /*! @function @abstract Alias of kh_val() */ #define kh_value(h, x) ((h)->vals[x]) /*! @function @abstract Get the start iterator @param h Pointer to the hash table [khash_t(name)*] @return The start iterator [khint_t] */ #define kh_begin(h) (khint_t)(0) /*! @function @abstract Get the end iterator @param h Pointer to the hash table [khash_t(name)*] @return The end iterator [khint_t] */ #define kh_end(h) ((h)->n_buckets) /*! @function @abstract Get the number of elements in the hash table @param h Pointer to the hash table [khash_t(name)*] @return Number of elements in the hash table [khint_t] */ #define kh_size(h) ((h)->size) /*! @function @abstract Get the number of buckets in the hash table @param h Pointer to the hash table [khash_t(name)*] @return Number of buckets in the hash table [khint_t] */ #define kh_n_buckets(h) ((h)->n_buckets) /*! @function @abstract Iterate over the entries in the hash table @param h Pointer to the hash table [khash_t(name)*] @param kvar Variable to which key will be assigned @param vvar Variable to which value will be assigned @param code Block of code to execute */ #define kh_foreach(h, kvar, vvar, code) { khint_t __i; \ for (__i = kh_begin(h); __i != kh_end(h); ++__i) { \ if (!kh_exist(h,__i)) continue; \ (kvar) = kh_key(h,__i); \ (vvar) = kh_val(h,__i); \ code; \ } } /*! @function @abstract Iterate over the values in the hash table @param h Pointer to the hash table [khash_t(name)*] @param vvar Variable to which value will be assigned @param code Block of code to execute */ #define kh_foreach_value(h, vvar, code) { khint_t __i; \ for (__i = kh_begin(h); __i != kh_end(h); ++__i) { \ if (!kh_exist(h,__i)) continue; \ (vvar) = kh_val(h,__i); \ code; \ } } /* More conenient interfaces */ /*! @function @abstract Instantiate a hash set containing integer keys @param name Name of the hash table [symbol] */ #define KHASH_SET_INIT_INT(name) \ KHASH_INIT(name, khint32_t, char, 0, kh_int_hash_func, kh_int_hash_equal) /*! @function @abstract Instantiate a hash map containing integer keys @param name Name of the hash table [symbol] @param khval_t Type of values [type] */ #define KHASH_MAP_INIT_INT(name, khval_t) \ KHASH_INIT(name, khint32_t, khval_t, 1, kh_int_hash_func, kh_int_hash_equal) /*! @function @abstract Instantiate a hash map containing 64-bit integer keys @param name Name of the hash table [symbol] */ #define KHASH_SET_INIT_INT64(name) \ KHASH_INIT(name, khint64_t, char, 0, kh_int64_hash_func, kh_int64_hash_equal) /*! @function @abstract Instantiate a hash map containing 64-bit integer keys @param name Name of the hash table [symbol] @param khval_t Type of values [type] */ #define KHASH_MAP_INIT_INT64(name, khval_t) \ KHASH_INIT(name, khint64_t, khval_t, 1, kh_int64_hash_func, kh_int64_hash_equal) typedef const char *kh_cstr_t; /*! @function @abstract Instantiate a hash map containing const char* keys @param name Name of the hash table [symbol] */ #define KHASH_SET_INIT_STR(name) \ KHASH_INIT(name, kh_cstr_t, char, 0, kh_str_hash_func, kh_str_hash_equal) /*! @function @abstract Instantiate a hash map containing const char* keys @param name Name of the hash table [symbol] @param khval_t Type of values [type] */ #define KHASH_MAP_INIT_STR(name, khval_t) \ KHASH_INIT(name, kh_cstr_t, khval_t, 1, kh_str_hash_func, kh_str_hash_equal) #endif /* __AC_KHASH_H */ ncdu-1.12/doc/0000755000175000017500000000000012757367102010146 500000000000000ncdu-1.12/doc/ncdu.pod0000644000175000017500000002342112757366731011534 00000000000000=head1 NAME B - NCurses Disk Usage =head1 SYNOPSIS B [I] I =head1 DESCRIPTION ncdu (NCurses Disk Usage) is a curses-based version of the well-known 'du', and provides a fast way to see what directories are using your disk space. =head1 OPTIONS =head2 Mode Selection =over =item -h Print a short help message and quit. =item -v Print ncdu version and quit. =item -f I Load the given file, which has earlier been created with the C<-o> option. If I is equivalent to C<->, the file is read from standard input. For the sake of preventing a screw-up, the current version of ncdu will assume that the directory information in the imported file does not represent the filesystem on which the file is being imported. That is, the refresh and file deletion options in the browser will be disabled. =item I Scan the given directory. =item -o I Export all necessary information to I instead of opening the browser interface. If I is C<->, the data is written to standard output. See the examples section below for some handy use cases. Be warned that the exported data may grow quite large when exporting a directory with many files. 10.000 files will get you an export in the order of 600 to 700 KiB uncompressed, or a little over 100 KiB when compressed with gzip. This scales linearly, so be prepared to handle a few tens of megabytes when dealing with millions of files. =back =head2 Interface options =over =item -0 Don't give any feedback while scanning a directory or importing a file, other than when a fatal error occurs. Ncurses will not be initialized until the scan is complete. When exporting the data with C<-o>, ncurses will not be initialized at all. This option is the default when exporting to standard output. =item -1 Similar to C<-0>, but does give feedback on the scanning progress with a single line of output. This option is the default when exporting to a file. In some cases, the ncurses browser interface which you'll see after the scan/import is complete may look garbled when using this option. If you're not exporting to a file, C<-2> is probably a better choice. =item -2 Provide a full-screen ncurses interface while scanning a directory or importing a file. This is the only interface that provides feedback on any non-fatal errors while scanning. =item -q Quiet mode. While scanning or importing the directory, ncdu will update the screen 10 times a second by default, this will be decreased to once every 2 seconds in quiet mode. Use this feature to save bandwidth over remote connections. This option has no effect when C<-0> is used. =item -r Read-only mode. This will disable the built-in file deletion feature. This option has no effect when C<-o> is used, because there will not be a browser interface in that case. It has no effect when C<-f> is used, either, because the deletion feature is disabled in that case anyway. =item --si List sizes using base 10 prefixes, that is, powers of 1000 (KB, MB, etc), as defined in the International System of Units (SI), instead of the usual base 2 prefixes, that is, powers of 1024 (KiB, MiB, etc). =item --confirm-quit Requires a confirmation before quitting ncdu. Very helpful when you accidentally press 'q' during or after a very long scan. =back =head2 Scan Options These options affect the scanning progress, and have no effect when importing directory information from a file. =over =item -x Do not cross filesystem boundaries, i.e. only count files and directories on the same filesystem as the directory being scanned. =item --exclude I Exclude files that match I. The files will still be displayed by default, but are not counted towards the disk usage statistics. This argument can be added multiple times to add more patterns. =item -X I, --exclude-from I Exclude files that match any pattern in I. Patterns should be separated by a newline. =item --exclude-caches Exclude directories containing CACHEDIR.TAG. The directories will still be displayed, but not their content, and they are not counted towards the disk usage statistics. See http://www.brynosaurus.com/cachedir/ =back =head1 KEYS =over =item ? Show help + keys + about screen =item up, down j, k Cycle through the items =item right, enter, l Open selected directory =item left, <, h Go to parent directory =item n Order by filename (press again for descending order) =item s Order by filesize (press again for descending order) =item C Order by number of items (press again for descending order) =item a Toggle between showing disk usage and showing apparent size. =item d Delete the selected file or directory. An error message will be shown when the contents of the directory do not match or do not exist anymore on the filesystem. =item t Toggle dirs before files when sorting. =item g Toggle between showing percentage, graph, both, or none. Percentage is relative to the size of the current directory, graph is relative to the largest item in the current directory. =item c Toggle display of child item counts. =item e Show/hide 'hidden' or 'excluded' files and directories. Please note that even though you can't see the hidden files and directories, they are still there and they are still included in the directory sizes. If you suspect that the totals shown at the bottom of the screen are not correct, make sure you haven't enabled this option. =item i Show information about the current selected item. =item r Refresh/recalculate the current directory. =item b Spawn shell in current directory. Ncdu will determine your preferred shell from the C or C variable (in that order), or will call C if neither are set. This allows you to also configure another command to be run when he 'b' key is pressed. For example, to spawn the L file manager instead of a shell, run ncdu as follows: export NCDU_SHELL=vifm ncdu =item q Quit =back =head1 EXAMPLES To scan and browse the directory you're currently in, all you need is a simple: ncdu If you want to scan a full filesystem, your root filesystem, for example, then you'll want to use C<-x>: ncdu -x / Since scanning a large directory may take a while, you can scan a directory and export the results for later viewing: ncdu -1xo- / | gzip >export.gz # ...some time later: zcat export.gz | ncdu -f- To export from a cron job, make sure to replace C<-1> with C<-0> to suppress any unnecessary output. You can also export a directory and browse it once scanning is done: ncdu -o- | tee export.file | ./ncdu -f- The same is possible with gzip compression, but is a bit kludgey: ncdu -o- | gzip | tee export.gz | gunzip | ./ncdu -f- To scan a system remotely, but browse through the files locally: ssh -C user@system ncdu -o- / | ./ncdu -f- The C<-C> option to ssh enables compression, which will be very useful over slow links. Remote scanning and local viewing has two major advantages when compared to running ncdu directly on the remote system: You can browse through the scanned directory on the local system without any network latency, and ncdu does not keep the entire directory structure in memory when exporting, so you won't consume much memory on the remote system. =head1 HARD LINKS Every disk usage analysis utility has its own way of (not) counting hard links. There does not seem to be any universally agreed method of handling hard links, and it is even inconsistent among different versions of ncdu. This section explains what each version of ncdu does. ncdu 1.5 and below does not support any hard link detection at all: each link is considered a separate inode and its size is counted for every link. This means that the displayed directory sizes are incorrect when analyzing directories which contain hard links. ncdu 1.6 has basic hard link detection: When a link to a previously encountered inode is detected, the link is considered to have a file size of zero bytes. Its size is not counted again, and the link is indicated in the browser interface with a 'H' mark. The displayed directory sizes are only correct when all links to an inode reside within that directory. When this is not the case, the sizes may or may not be correct, depending on which links were considered as "duplicate" and which as "original". The indicated size of the topmost directory (that is, the one specified on the command line upon starting ncdu) is always correct. ncdu 1.7 and later has improved hard link detection. Each file that has more than two links has the "H" mark visible in the browser interface. Each hard link is counted exactly once for every directory it appears in. The indicated size of each directory is therefore, correctly, the sum of the sizes of all unique inodes that can be found in that directory. Note, however, that this may not always be same as the space that will be reclaimed after deleting the directory, as some inodes may still be accessible from hard links outside it. =head1 BUGS Directory hard links are not supported. They will not be detected as being hard links, and will thus be scanned and counted multiple times. Some minor glitches may appear when displaying filenames that contain multibyte or multicolumn characters. All sizes are internally represented as a signed 64bit integer. If you have a directory larger than 8 EiB minus one byte, ncdu will clip its size to 8 EiB minus one byte. When deleting items in a directory with a clipped size, the resulting sizes will be incorrect. Item counts are stored in a signed 32-bit integer without overflow detection. If you have a directory with more than 2 billion files, quite literally anything can happen. Please report any other bugs you may find at the bug tracker, which can be found on the web site at https://dev.yorhel.nl/ncdu =head1 AUTHOR Written by Yoran Heling . =head1 SEE ALSO L ncdu-1.12/src/0000755000175000017500000000000012757367102010170 500000000000000ncdu-1.12/src/browser.h0000644000175000017500000000242112757365240011744 00000000000000/* ncdu - NCurses Disk Usage Copyright (c) 2007-2016 Yoran Heling Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef _browser_h #define _browser_h #include "global.h" int confirm_quit; int browse_key(int); void browse_draw(void); void browse_init(struct dir *); #endif ncdu-1.12/src/delete.h0000644000175000017500000000244412757365247011537 00000000000000/* ncdu - NCurses Disk Usage Copyright (c) 2007-2016 Yoran Heling Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef _delete_h #define _delete_h #include "global.h" void delete_process(void); int delete_key(int); void delete_draw(void); void delete_init(struct dir *, struct dir *); #endif ncdu-1.12/src/dir.h0000644000175000017500000001207612757365253011052 00000000000000/* ncdu - NCurses Disk Usage Copyright (c) 2007-2016 Yoran Heling Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef _dir_h #define _dir_h /* The dir_* functions and files implement the SCAN state and are organized as * follows: * * Input: * Responsible for getting a directory structure into ncdu. Will call the * Output functions for data and the UI functions for feedback. Currently * there is only one input implementation: dir_scan.c * Output: * Called by the Input handling code when there's some new file/directory * information. The Output code is responsible for doing something with it * and determines what action should follow after the Input is done. * Currently there is only one output implementation: dir_mem.c. * Common: * Utility functions and UI code for use by the Input handling code to draw * progress/error information on the screen, handle any user input and misc. * stuff. */ /* "Interface" that Input code should call and Output code should implement. */ struct dir_output { /* Called when there is new file/dir info. Call stack for an example * directory structure: * / item('/') * /subdir item('subdir') * /subdir/f item('f') * .. item(NULL) * /abc item('abc') * .. item(NULL) * Every opened dir is followed by a call to NULL. There is only one top-level * dir item. The name of the top-level dir item is the absolute path to the * scanned directory. * * The *item struct has the following fields set when item() is called: * size, asize, ino, dev, flags (only DIR,FILE,ERR,OTHFS,EXL,HLNKC) and name. * All other fields/flags should be initialzed to NULL or 0. * *item may be overwritten or freed in subsequent calls, so this function * should make a copy if necessary. * * The function should return non-zero on error, at which point errno is * assumed to be set to something sensible. */ int (*item)(struct dir *); /* Finalizes the output to go to the next program state or exit ncdu. Called * after item(NULL) has been called for the root item or before any item() * has been called at all. * Argument indicates success (0) or failure (1). * Failure happens when the root directory couldn't be opened, chdir, lstat, * read, when it is empty, or when the user aborted the operation. * Return value should be 0 to continue running ncdu, 1 to exit. */ int (*final)(int); /* The output code is responsible for updating these stats. Can be 0 when not * available. */ int64_t size; int items; }; /* Initializes the SCAN state and dir_output for immediate browsing. * On success: * If a dir item is given, overwrites it with the new dir struct. * Then calls browse_init(new_dir_struct->sub). * On failure: * If a dir item is given, will just call browse_init(orig). * Otherwise, will exit ncdu. */ void dir_mem_init(struct dir *); /* Initializes the SCAN state and dir_output for exporting to a file. */ int dir_export_init(const char *fn); /* Function set by input code. Returns dir_output.final(). */ int (*dir_process)(); /* Scanning a live directory */ extern int dir_scan_smfs; void dir_scan_init(const char *path); /* Importing a file */ extern int dir_import_active; int dir_import_init(const char *fn); /* The currently configured output functions. */ extern struct dir_output dir_output; /* Current path that we're working with. These are defined in dir_common.c. */ extern char *dir_curpath; void dir_curpath_set(const char *); void dir_curpath_enter(const char *); void dir_curpath_leave(); /* Sets the path where the last error occured, or reset on NULL. */ void dir_setlasterr(const char *); /* Error message on fatal error, or NULL if there hasn't been a fatal error yet. */ extern char *dir_fatalerr; void dir_seterr(const char *, ...); /* Return an empty struct dir with the given name, for use with * dir_output.item(). Returned memory may be freed/overwritten on a subsequent * call. */ struct dir *dir_createstruct(const char *); extern int dir_ui; int dir_key(int); void dir_draw(); #endif ncdu-1.12/src/dirlist.h0000644000175000017500000000516612757365300011741 00000000000000/* ncdu - NCurses Disk Usage Copyright (c) 2007-2016 Yoran Heling Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* Note: all functions below include a 'reference to parent dir' node at the * top of the list. */ #ifndef _dirlist_h #define _dirlist_h #include "global.h" #define DL_NOCHANGE -1 #define DL_COL_NAME 0 #define DL_COL_SIZE 1 #define DL_COL_ASIZE 2 #define DL_COL_ITEMS 3 void dirlist_open(struct dir *); /* Get the next non-hidden item, * NULL = get first non-hidden item */ struct dir *dirlist_next(struct dir *); /* Get the struct dir item relative to the selected item, or the item nearest to the requested item * i = 0 get selected item * hidden items aren't considered */ struct dir *dirlist_get(int i); /* Get/set the first visible item in the list on the screen */ struct dir *dirlist_top(int hint); /* Set selected dir (must be in the currently opened directory, obviously) */ void dirlist_select(struct dir *); /* Change sort column (arguments should have a NO_CHANGE option) */ void dirlist_set_sort(int column, int desc, int df); /* Set the hidden thingy */ void dirlist_set_hidden(int hidden); /* DO NOT WRITE TO ANY OF THE BELOW VARIABLES FROM OUTSIDE OF dirlist.c! */ /* The 'reference to parent dir' */ extern struct dir *dirlist_parent; /* The actual parent dir */ extern struct dir *dirlist_par; /* current sorting configuration (set with dirlist_set_sort()) */ extern int dirlist_sort_desc, dirlist_sort_col, dirlist_sort_df; /* set with dirlist_set_hidden() */ extern int dirlist_hidden; /* maximum size of an item in the opened dir */ extern int64_t dirlist_maxs, dirlist_maxa; #endif ncdu-1.12/src/exclude.h0000644000175000017500000000245412757365306011723 00000000000000/* ncdu - NCurses Disk Usage Copyright (c) 2007-2016 Yoran Heling Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef _exclude_h #define _exclude_h void exclude_add(char *); int exclude_addfile(char *); int exclude_match(char *); void exclude_clear(); int has_cachedir_tag(const char *name); #endif ncdu-1.12/src/global.h0000644000175000017500000000710412757365312011524 00000000000000/* ncdu - NCurses Disk Usage Copyright (c) 2007-2016 Yoran Heling Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef _global_h #define _global_h #include "config.h" #include #include #include #include #include #ifdef HAVE_INTTYPES_H # include #endif #ifdef HAVE_STDINT_H # include #endif /* File Flags (struct dir -> flags) */ #define FF_DIR 0x01 #define FF_FILE 0x02 #define FF_ERR 0x04 /* error while reading this item */ #define FF_OTHFS 0x08 /* excluded because it was an other filesystem */ #define FF_EXL 0x10 /* excluded using exlude patterns */ #define FF_SERR 0x20 /* error in subdirectory */ #define FF_HLNKC 0x40 /* hard link candidate (file with st_nlink > 1) */ #define FF_BSEL 0x80 /* selected */ /* Program states */ #define ST_CALC 0 #define ST_BROWSE 1 #define ST_DEL 2 #define ST_HELP 3 #define ST_SHELL 4 #define ST_QUIT 5 /* structure representing a file or directory */ struct dir { int64_t size, asize; uint64_t ino, dev; struct dir *parent, *next, *prev, *sub, *hlnk; int items; unsigned char flags; char name[3]; /* must be large enough to hold ".." */ }; /* sizeof(total dir) = SDIRSIZE + strlen(name) = offsetof(struct dir, name) + strlen(name) + 1 */ #define SDIRSIZE (offsetof(struct dir, name)+1) /* A note on the ino and dev fields above: ino is usually represented as ino_t, * which POSIX specifies to be an unsigned integer. dev is usually represented * as dev_t, which may be either a signed or unsigned integer, and in practice * both are used. dev represents an index / identifier of a device or * filesystem, and I'm unsure whether a negative value has any meaning in that * context. Hence my choice of using an unsigned integer. Negative values, if * we encounter them, will just get typecasted into a positive value. No * information is lost in this conversion, and the semantics remain the same. */ /* program state */ extern int pstate; /* read-only flag */ extern int read_only; /* minimum screen update interval when calculating, in ms */ extern long update_delay; /* filter directories with CACHEDIR.TAG */ extern int cachedir_tags; /* flag if we should ask for confirmation when quitting */ extern int confirm_quit; /* handle input from keyboard and update display */ int input_handle(int); /* import all other global functions and variables */ #include "browser.h" #include "delete.h" #include "dir.h" #include "dirlist.h" #include "exclude.h" #include "help.h" #include "path.h" #include "util.h" #include "shell.h" #include "quit.h" #endif ncdu-1.12/src/help.h0000644000175000017500000000234612757365317011224 00000000000000/* ncdu - NCurses Disk Usage Copyright (c) 2007-2016 Yoran Heling Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef _help_h #define _help_h #include "global.h" int help_key(int); void help_draw(void); void help_init(); #endif ncdu-1.12/src/shell.h0000644000175000017500000000240712757365362011401 00000000000000/* ncdu - NCurses Disk Usage Copyright (c) 2007-2016 Yoran Heling Shell support: Copyright (c) 2014 Thomas Jarosch Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef _shell_h #define _shell_h #include "global.h" void shell_draw(void); void shell_init(); #endif ncdu-1.12/src/quit.h0000644000175000017500000000235212757365351011251 00000000000000/* ncdu - NCurses Disk Usage Copyright (c) 2015-2016 Yoran Heling Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef _quit_h #define _quit_h #include "global.h" int quit_key(int); void quit_draw(void); void quit_init(void); #endif ncdu-1.12/src/path.h0000644000175000017500000000351312757365332011222 00000000000000/* ncdu - NCurses Disk Usage Copyright (c) 2007-2016 Yoran Heling Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* path.c reimplements realpath() and chdir(), both functions accept arbitrary long path names not limited by PATH_MAX. Caveats/bugs: - path_real uses chdir(), so it's not thread safe - Process requires +x access for all directory components - Potentionally slow - Doesn't check return value of malloc() and realloc() - path_real doesn't check for the existance of the last component - cwd is unreliable after path_real */ #ifndef _path_h #define _path_h /* path_real reimplements realpath(). The returned string is allocated by malloc() and should be manually free()d by the programmer. */ extern char *path_real(const char *); /* works exactly the same as chdir() */ extern int path_chdir(const char *); #endif ncdu-1.12/src/util.h0000644000175000017500000001025412757365366011252 00000000000000/* ncdu - NCurses Disk Usage Copyright (c) 2007-2016 Yoran Heling Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef _util_h #define _util_h #include "global.h" #include /* updated when window is resized */ extern int winrows, wincols; /* used by the nc* functions and macros */ extern int subwinr, subwinc; /* used by formatsize to choose between base 2 or 10 prefixes */ extern int si; /* Instead of using several ncurses windows, we only draw to stdscr. * the functions nccreate, ncprint and the macros ncaddstr and ncaddch * mimic the behaviour of ncurses windows. * This works better than using ncurses windows when all windows are * created in the correct order: it paints directly on stdscr, so * wrefresh, wnoutrefresh and other window-specific functions are not * necessary. * Also, this method doesn't require any window objects, as you can * only create one window at a time. */ /* updates winrows, wincols, and displays a warning when the terminal * is smaller than the specified minimum size. */ int ncresize(int, int); /* creates a new centered window with border */ void nccreate(int, int, const char *); /* printf something somewhere in the last created window */ void ncprint(int, int, char *, ...); /* same as the w* functions of ncurses */ #define ncaddstr(r, c, s) mvaddstr(subwinr+(r), subwinc+(c), s) #define ncaddch(r, c, s) mvaddch(subwinr+(r), subwinc+(c), s) #define ncmove(r, c) move(subwinr+(r), subwinc+(c)) /* crops a string into the specified length */ char *cropstr(const char *, int); /* formats size in the form of xxx.xXB */ char *formatsize(int64_t ); /* int2string with thousand separators */ char *fullsize(int64_t); /* read locale information from the environment */ void read_locale(); /* recursively free()s a directory tree */ void freedir(struct dir *); /* generates full path from a dir item, returned pointer will be overwritten with a subsequent call */ char *getpath(struct dir *); /* returns the root element of the given dir struct */ struct dir *getroot(struct dir *); /* Add two signed 64-bit integers. Returns INT64_MAX if the result would * overflow, or 0 if it would be negative. At least one of the integers must be * positive. * I use uint64_t's to detect the overflow, as (a + b < 0) relies on undefined * behaviour, and (INT64_MAX - b >= a) didn't work for some reason. */ #define adds64(a, b) ((a) > 0 && (b) > 0\ ? ((uint64_t)(a) + (uint64_t)(b) > (uint64_t)INT64_MAX ? INT64_MAX : (a)+(b))\ : (a)+(b) < 0 ? 0 : (a)+(b)) /* Adds a value to the size, asize and items fields of *d and its parents */ void addparentstats(struct dir *, int64_t, int64_t, int); /* A simple stack implemented in macros */ #define nstack_init(_s) do {\ (_s)->size = 10;\ (_s)->top = 0;\ (_s)->list = malloc(10*sizeof(*(_s)->list));\ } while(0) #define nstack_push(_s, _v) do {\ if((_s)->size <= (_s)->top) {\ (_s)->size *= 2;\ (_s)->list = realloc((_s)->list, (_s)->size*sizeof(*(_s)->list));\ }\ (_s)->list[(_s)->top++] = _v;\ } while(0) #define nstack_pop(_s) (_s)->top-- #define nstack_top(_s, _d) ((_s)->top > 0 ? (_s)->list[(_s)->top-1] : (_d)) #define nstack_free(_s) free((_s)->list) #endif ncdu-1.12/src/browser.c0000644000175000017500000002706112757365234011751 00000000000000/* ncdu - NCurses Disk Usage Copyright (c) 2007-2016 Yoran Heling Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "global.h" #include #include #include static int graph = 1, show_as = 0, info_show = 0, info_page = 0, info_start = 0, show_items = 0; static char *message = NULL; static void browse_draw_info(struct dir *dr) { struct dir *t; int i; nccreate(11, 60, "Item info"); if(dr->hlnk) { if(info_page == 0) attron(A_REVERSE); ncaddstr(0, 41, "1:Info"); attroff(A_REVERSE); if(info_page == 1) attron(A_REVERSE); ncaddstr(0, 50, "2:Links"); attroff(A_REVERSE); } switch(info_page) { case 0: attron(A_BOLD); ncaddstr(2, 3, "Name:"); ncaddstr(3, 3, "Path:"); ncaddstr(4, 3, "Type:"); ncaddstr(6, 3, " Disk usage:"); ncaddstr(7, 3, "Apparent size:"); attroff(A_BOLD); ncaddstr(2, 9, cropstr(dr->name, 49)); ncaddstr(3, 9, cropstr(getpath(dr->parent), 49)); ncaddstr(4, 9, dr->flags & FF_DIR ? "Directory" : dr->flags & FF_FILE ? "File" : "Other (link, device, socket, ..)"); ncprint(6, 18, "%s (%s B)", formatsize(dr->size), fullsize(dr->size)); ncprint(7, 18, "%s (%s B)", formatsize(dr->asize), fullsize(dr->asize)); break; case 1: for(i=0,t=dr->hlnk; t!=dr; t=t->hlnk,i++) { if(info_start > i) continue; if(i-info_start > 5) break; ncaddstr(2+i-info_start, 3, cropstr(getpath(t), 54)); } if(t!=dr) ncaddstr(8, 25, "-- more --"); break; } ncaddstr(9, 32, "Press i to hide this window"); } static void browse_draw_item(struct dir *n, int row) { char ct, dt, *size, gr[11], *items; int i, o, x; float pc = 0.0f; if(n->flags & FF_BSEL) attron(A_REVERSE); /* reference to parent dir has a different format */ if(n == dirlist_parent) { mvhline(row, 0, ' ', wincols); o = graph == 0 ? 13 : graph == 1 ? 25 : graph == 2 ? 21 : 32 ; if(show_items) o += 7; mvaddstr(row, o, "/.."); if(n->flags & FF_BSEL) attroff(A_REVERSE); return; } /* determine indication character */ ct = n->flags & FF_EXL ? '<' : n->flags & FF_ERR ? '!' : n->flags & FF_SERR ? '.' : n->flags & FF_OTHFS ? '>' : n->flags & FF_HLNKC ? 'H' : !(n->flags & FF_FILE || n->flags & FF_DIR) ? '@' : n->flags & FF_DIR && n->sub == NULL ? 'e' : ' ' ; dt = n->flags & FF_DIR ? '/' : ' '; size = formatsize(show_as ? n->asize : n->size); /* create graph (if necessary) */ if(graph) { /* percentage */ if((pc = (float)(show_as ? n->parent->asize : n->parent->size)) < 1) pc = 1.0f; pc = ((float)(show_as ? n->asize : n->size) / pc) * 100.0f; /* graph */ if(graph == 1 || graph == 3) { o = (int)(10.0f*(float)(show_as ? n->asize : n->size) / (float)(show_as ? dirlist_maxa : dirlist_maxs)); for(i=0; i<10; i++) gr[i] = i < o ? '#' : ' '; gr[10] = '\0'; } } x = 0; mvprintw(row, x, "%c %9s ", ct, size); x += 12; if (show_items) { if (n->items > 99999) items = "> 100k"; else items = n->items ? fullsize(n->items) : ""; mvprintw(row, x, "%6s ", items); x += 7; } /* format and add item to the list */ switch(graph) { case 0: mvprintw(row, x, " %c%-*s", dt, wincols- 2-x, cropstr(n->name, wincols- 2-x)); break; case 1: mvprintw(row, x, "[%10s] %c%-*s", gr, dt, wincols-14-x, cropstr(n->name, wincols-14-x)); break; case 2: mvprintw(row, x, "[%5.1f%%] %c%-*s", pc, dt, wincols-10-x, cropstr(n->name, wincols-10-x)); break; case 3: mvprintw(row, x, "[%5.1f%% %10s] %c%-*s", pc, gr, dt, wincols-21-x, cropstr(n->name, wincols-21-x)); } if(n->flags & FF_BSEL) attroff(A_REVERSE); } void browse_draw() { struct dir *t; char fmtsize[10], *tmp; int selected = 0, i; erase(); t = dirlist_get(0); /* top line - basic info */ attron(A_REVERSE); mvhline(0, 0, ' ', wincols); mvhline(winrows-1, 0, ' ', wincols); mvprintw(0,0,"%s %s ~ Use the arrow keys to navigate, press ? for help", PACKAGE_NAME, PACKAGE_VERSION); if(dir_import_active) mvaddstr(0, wincols-10, "[imported]"); else if(read_only) mvaddstr(0, wincols-11, "[read-only]"); attroff(A_REVERSE); /* second line - the path */ mvhline(1, 0, '-', wincols); if(dirlist_par) { mvaddch(1, 3, ' '); tmp = getpath(dirlist_par); mvaddstr(1, 4, cropstr(tmp, wincols-8)); mvaddch(1, 4+((int)strlen(tmp) > wincols-8 ? wincols-8 : (int)strlen(tmp)), ' '); } /* bottom line - stats */ attron(A_REVERSE); if(t) { strcpy(fmtsize, formatsize(t->parent->size)); mvprintw(winrows-1, 0, " Total disk usage: %s Apparent size: %s Items: %d", fmtsize, formatsize(t->parent->asize), t->parent->items); } else mvaddstr(winrows-1, 0, " No items to display."); attroff(A_REVERSE); /* nothing to display? stop here. */ if(!t) return; /* get start position */ t = dirlist_top(0); /* print the list to the screen */ for(i=0; t && iflags & FF_BSEL) selected = i; } /* draw message window */ if(message) { nccreate(6, 60, "Message"); ncaddstr(2, 2, message); ncaddstr(4, 34, "Press any key to continue"); } /* draw information window */ t = dirlist_get(0); if(!message && info_show && t != dirlist_parent) browse_draw_info(t); /* move cursor to selected row for accessibility */ move(selected+2, 0); } int browse_key(int ch) { struct dir *t, *sel; int i, catch = 0; /* message window overwrites all keys */ if(message) { message = NULL; return 0; } sel = dirlist_get(0); /* info window overwrites a few keys */ if(info_show && sel) switch(ch) { case '1': info_page = 0; break; case '2': if(sel->hlnk) info_page = 1; break; case KEY_RIGHT: case 'l': if(sel->hlnk) { info_page = 1; catch++; } break; case KEY_LEFT: case 'h': if(sel->hlnk) { info_page = 0; catch++; } break; case KEY_UP: case 'k': if(sel->hlnk && info_page == 1) { if(info_start > 0) info_start--; catch++; } break; case KEY_DOWN: case 'j': case ' ': if(sel->hlnk && info_page == 1) { for(i=0,t=sel->hlnk; t!=sel; t=t->hlnk) i++; if(i > info_start+6) info_start++; catch++; } break; } if(!catch) switch(ch) { /* selecting items */ case KEY_UP: case 'k': dirlist_select(dirlist_get(-1)); dirlist_top(-1); info_start = 0; break; case KEY_DOWN: case 'j': dirlist_select(dirlist_get(1)); dirlist_top(1); info_start = 0; break; case KEY_HOME: dirlist_select(dirlist_next(NULL)); dirlist_top(2); info_start = 0; break; case KEY_LL: case KEY_END: dirlist_select(dirlist_get(1<<30)); dirlist_top(1); info_start = 0; break; case KEY_PPAGE: dirlist_select(dirlist_get(-1*(winrows-3))); dirlist_top(-1); info_start = 0; break; case KEY_NPAGE: dirlist_select(dirlist_get(winrows-3)); dirlist_top(1); info_start = 0; break; /* sorting items */ case 'n': dirlist_set_sort(DL_COL_NAME, dirlist_sort_col == DL_COL_NAME ? !dirlist_sort_desc : 0, DL_NOCHANGE); info_show = 0; break; case 's': i = show_as ? DL_COL_ASIZE : DL_COL_SIZE; dirlist_set_sort(i, dirlist_sort_col == i ? !dirlist_sort_desc : 1, DL_NOCHANGE); info_show = 0; break; case 'C': dirlist_set_sort(DL_COL_ITEMS, dirlist_sort_col == DL_COL_ITEMS ? !dirlist_sort_desc : 1, DL_NOCHANGE); info_show = 0; break; case 'e': dirlist_set_hidden(!dirlist_hidden); info_show = 0; break; case 't': dirlist_set_sort(DL_NOCHANGE, DL_NOCHANGE, !dirlist_sort_df); info_show = 0; break; case 'a': show_as = !show_as; if(dirlist_sort_col == DL_COL_ASIZE || dirlist_sort_col == DL_COL_SIZE) dirlist_set_sort(show_as ? DL_COL_ASIZE : DL_COL_SIZE, DL_NOCHANGE, DL_NOCHANGE); info_show = 0; break; /* browsing */ case 10: case KEY_RIGHT: case 'l': if(sel != NULL && sel->flags & FF_DIR) { dirlist_open(sel == dirlist_parent ? dirlist_par->parent : sel); dirlist_top(-3); } info_show = 0; break; case KEY_LEFT: case KEY_BACKSPACE: case 'h': case '<': if(dirlist_par && dirlist_par->parent != NULL) { dirlist_open(dirlist_par->parent); dirlist_top(-3); } info_show = 0; break; /* and other stuff */ case 'r': if(dir_import_active) { message = "Directory imported from file, won't refresh."; break; } if(dirlist_par) { dir_ui = 2; dir_mem_init(dirlist_par); dir_scan_init(getpath(dirlist_par)); } info_show = 0; break; case 'q': if(info_show) info_show = 0; else if (confirm_quit) quit_init(); else return 1; break; case 'g': if(++graph > 3) graph = 0; info_show = 0; break; case 'c': show_items = !show_items; break; case 'i': info_show = !info_show; break; case '?': help_init(); info_show = 0; break; case 'd': if(read_only || dir_import_active) { message = read_only ? "File deletion disabled in read-only mode." : "File deletion not available for imported directories."; break; } if(sel == NULL || sel == dirlist_parent) break; info_show = 0; if((t = dirlist_get(1)) == sel) if((t = dirlist_get(-1)) == sel || t == dirlist_parent) t = NULL; delete_init(sel, t); break; case 'b': if(dir_import_active) { message = "Shell feature not available for imported directories."; break; } shell_init(); break; } /* make sure the info_* options are correct */ sel = dirlist_get(0); if(!info_show || sel == dirlist_parent) info_show = info_page = info_start = 0; else if(sel && !sel->hlnk) info_page = info_start = 0; return 0; } void browse_init(struct dir *par) { pstate = ST_BROWSE; message = NULL; dirlist_open(par); } ncdu-1.12/src/delete.c0000644000175000017500000001304112757365243011521 00000000000000/* ncdu - NCurses Disk Usage Copyright (c) 2007-2016 Yoran Heling Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "global.h" #include #include #include #define DS_CONFIRM 0 #define DS_PROGRESS 1 #define DS_FAILED 2 static struct dir *root, *nextsel, *curdir; static char noconfirm = 0, ignoreerr = 0, state, seloption; static int lasterrno; static void delete_draw_confirm() { nccreate(6, 60, "Confirm delete"); ncprint(1, 2, "Are you sure you want to delete \"%s\"%c", cropstr(root->name, 21), root->flags & FF_DIR ? ' ' : '?'); if(root->flags & FF_DIR && root->sub != NULL) ncprint(2, 18, "and all of its contents?"); if(seloption == 0) attron(A_REVERSE); ncaddstr(4, 15, "yes"); attroff(A_REVERSE); if(seloption == 1) attron(A_REVERSE); ncaddstr(4, 24, "no"); attroff(A_REVERSE); if(seloption == 2) attron(A_REVERSE); ncaddstr(4, 31, "don't ask me again"); attroff(A_REVERSE); ncmove(4, seloption == 0 ? 15 : seloption == 1 ? 24 : 31); } static void delete_draw_progress() { nccreate(6, 60, "Deleting..."); ncaddstr(1, 2, cropstr(getpath(curdir), 47)); ncaddstr(4, 41, "Press q to abort"); } static void delete_draw_error() { nccreate(6, 60, "Error!"); ncprint(1, 2, "Can't delete %s:", cropstr(getpath(curdir), 42)); ncaddstr(2, 4, strerror(lasterrno)); if(seloption == 0) attron(A_REVERSE); ncaddstr(4, 14, "abort"); attroff(A_REVERSE); if(seloption == 1) attron(A_REVERSE); ncaddstr(4, 23, "ignore"); attroff(A_REVERSE); if(seloption == 2) attron(A_REVERSE); ncaddstr(4, 33, "ignore all"); attroff(A_REVERSE); } void delete_draw() { browse_draw(); switch(state) { case DS_CONFIRM: delete_draw_confirm(); break; case DS_PROGRESS: delete_draw_progress(); break; case DS_FAILED: delete_draw_error(); break; } } int delete_key(int ch) { /* confirm */ if(state == DS_CONFIRM) switch(ch) { case KEY_LEFT: case 'h': if(--seloption < 0) seloption = 0; break; case KEY_RIGHT: case 'l': if(++seloption > 2) seloption = 2; break; case '\n': if(seloption == 1) return 1; if(seloption == 2) noconfirm++; state = DS_PROGRESS; break; case 'q': return 1; } /* processing deletion */ else if(state == DS_PROGRESS) switch(ch) { case 'q': return 1; } /* error */ else if(state == DS_FAILED) switch(ch) { case KEY_LEFT: case 'h': if(--seloption < 0) seloption = 0; break; case KEY_RIGHT: case 'l': if(++seloption > 2) seloption = 2; break; case 10: if(seloption == 0) return 1; if(seloption == 2) ignoreerr++; state = DS_PROGRESS; break; case 'q': return 1; } return 0; } static int delete_dir(struct dir *dr) { struct dir *nxt, *cur; int r; /* check for input or screen resizes */ curdir = dr; if(input_handle(1)) return 1; /* do the actual deleting */ if(dr->flags & FF_DIR) { if((r = chdir(dr->name)) < 0) goto delete_nxt; if(dr->sub != NULL) { nxt = dr->sub; while(nxt != NULL) { cur = nxt; nxt = cur->next; if(delete_dir(cur)) return 1; } } if((r = chdir("..")) < 0) goto delete_nxt; r = dr->sub == NULL ? rmdir(dr->name) : 0; } else r = unlink(dr->name); delete_nxt: /* error occured, ask user what to do */ if(r == -1 && !ignoreerr) { state = DS_FAILED; lasterrno = errno; curdir = dr; while(state == DS_FAILED) if(input_handle(0)) return 1; } else if(!(dr->flags & FF_DIR && dr->sub != NULL)) { freedir(dr); return 0; } return root == dr ? 1 : 0; } void delete_process() { struct dir *par; /* confirm */ seloption = 1; while(state == DS_CONFIRM && !noconfirm) if(input_handle(0)) { browse_init(root->parent); return; } /* chdir */ if(path_chdir(getpath(root->parent)) < 0) { state = DS_FAILED; lasterrno = errno; while(state == DS_FAILED) if(input_handle(0)) return; } /* delete */ seloption = 0; state = DS_PROGRESS; par = root->parent; delete_dir(root); if(nextsel) nextsel->flags |= FF_BSEL; browse_init(par); if(nextsel) dirlist_top(-4); } void delete_init(struct dir *dr, struct dir *s) { state = DS_CONFIRM; root = curdir = dr; pstate = ST_DEL; nextsel = s; } ncdu-1.12/src/dirlist.c0000644000175000017500000002272612757365275011750 00000000000000/* ncdu - NCurses Disk Usage Copyright (c) 2007-2016 Yoran Heling Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "global.h" #include /* public variables */ struct dir *dirlist_parent = NULL, *dirlist_par = NULL; int64_t dirlist_maxs = 0, dirlist_maxa = 0; int dirlist_sort_desc = 1, dirlist_sort_col = DL_COL_SIZE, dirlist_sort_df = 0, dirlist_hidden = 0; /* private state vars */ static struct dir dirlist_parent_alloc; static struct dir *head, *head_real, *selected, *top = NULL; #define ISHIDDEN(d) (dirlist_hidden && (d) != dirlist_parent && (\ (d)->flags & FF_EXL || (d)->name[0] == '.' || (d)->name[strlen((d)->name)-1] == '~'\ )) static int dirlist_cmp(struct dir *x, struct dir *y) { int r; /* dirs are always before files when that option is set */ if(dirlist_sort_df) { if(y->flags & FF_DIR && !(x->flags & FF_DIR)) return 1; else if(!(y->flags & FF_DIR) && x->flags & FF_DIR) return -1; } /* sort columns: * 1 -> 2 -> 3 -> 4 * NAME: name -> size -> asize -> items * SIZE: size -> asize -> name -> items * ASIZE: asize -> size -> name -> items * ITEMS: items -> size -> asize -> name * * Note that the method used below is supposed to be fast, not readable :-) */ #define CMP_NAME strcmp(x->name, y->name) #define CMP_SIZE (x->size > y->size ? 1 : (x->size == y->size ? 0 : -1)) #define CMP_ASIZE (x->asize > y->asize ? 1 : (x->asize == y->asize ? 0 : -1)) #define CMP_ITEMS (x->items > y->items ? 1 : (x->items == y->items ? 0 : -1)) /* try 1 */ r = dirlist_sort_col == DL_COL_NAME ? CMP_NAME : dirlist_sort_col == DL_COL_SIZE ? CMP_SIZE : dirlist_sort_col == DL_COL_ASIZE ? CMP_ASIZE : CMP_ITEMS; /* try 2 */ if(!r) r = dirlist_sort_col == DL_COL_SIZE ? CMP_ASIZE : CMP_SIZE; /* try 3 */ if(!r) r = (dirlist_sort_col == DL_COL_NAME || dirlist_sort_col == DL_COL_ITEMS) ? CMP_ASIZE : CMP_NAME; /* try 4 */ if(!r) r = dirlist_sort_col == DL_COL_ITEMS ? CMP_NAME : CMP_ITEMS; /* reverse when sorting in descending order */ if(dirlist_sort_desc && r != 0) r = r < 0 ? 1 : -1; return r; } static struct dir *dirlist_sort(struct dir *list) { struct dir *p, *q, *e, *tail; int insize, nmerges, psize, qsize, i; insize = 1; while(1) { p = list; list = NULL; tail = NULL; nmerges = 0; while(p) { nmerges++; q = p; psize = 0; for(i=0; inext; if(!q) break; } qsize = insize; while(psize > 0 || (qsize > 0 && q)) { if(psize == 0) { e = q; q = q->next; qsize--; } else if(qsize == 0 || !q) { e = p; p = p->next; psize--; } else if(dirlist_cmp(p,q) <= 0) { e = p; p = p->next; psize--; } else { e = q; q = q->next; qsize--; } if(tail) tail->next = e; else list = e; e->prev = tail; tail = e; } p = q; } tail->next = NULL; if(nmerges <= 1) { if(list->parent) list->parent->sub = list; return list; } insize *= 2; } } /* passes through the dir listing once and: * - makes sure one, and only one, visible item is selected * - updates the dirlist_(maxs|maxa) values * - makes sure that the FF_BSEL bits are correct */ static void dirlist_fixup() { struct dir *t; /* we're going to determine the selected items from the list itself, so reset this one */ selected = NULL; for(t=head; t; t=t->next) { /* not visible? not selected! */ if(ISHIDDEN(t)) t->flags &= ~FF_BSEL; else { /* visible and selected? make sure only one item is selected */ if(t->flags & FF_BSEL) { if(!selected) selected = t; else t->flags &= ~FF_BSEL; } } /* update dirlist_(maxs|maxa) */ if(t->size > dirlist_maxs) dirlist_maxs = t->size; if(t->asize > dirlist_maxa) dirlist_maxa = t->asize; } /* no selected items found after one pass? select the first visible item */ if(!selected) if((selected = dirlist_next(NULL))) selected->flags |= FF_BSEL; } void dirlist_open(struct dir *d) { dirlist_par = d; /* set the head of the list */ head_real = head = d == NULL ? NULL : d->sub; /* reset internal status */ dirlist_maxs = dirlist_maxa = 0; /* stop if this is not a directory list we can work with */ if(d == NULL) { dirlist_parent = NULL; return; } /* sort the dir listing */ if(head) head_real = head = dirlist_sort(head); /* set the reference to the parent dir */ dirlist_parent_alloc.flags &= ~FF_BSEL; dirlist_parent_alloc.flags |= FF_DIR; if(d->parent) { dirlist_parent = &dirlist_parent_alloc; strcpy(dirlist_parent->name, ".."); dirlist_parent->next = head; dirlist_parent->parent = d; dirlist_parent->sub = d; head = dirlist_parent; } else dirlist_parent = NULL; dirlist_fixup(); } struct dir *dirlist_next(struct dir *d) { if(!head) return NULL; if(!d) { if(!ISHIDDEN(head)) return head; else d = head; } while((d = d->next)) { if(!ISHIDDEN(d)) return d; } return NULL; } static struct dir *dirlist_prev(struct dir *d) { if(!head || !d) return NULL; while((d = d->prev)) { if(!ISHIDDEN(d)) return d; } if(dirlist_parent) return dirlist_parent; return NULL; } struct dir *dirlist_get(int i) { struct dir *t = selected, *d; if(!head) return NULL; if(ISHIDDEN(selected)) { selected = dirlist_next(NULL); return selected; } /* i == 0? return the selected item */ if(!i) return selected; /* positive number? simply move forward */ while(i > 0) { d = dirlist_next(t); if(!d) return t; t = d; if(!--i) return t; } /* otherwise, backward */ while(1) { d = dirlist_prev(t); if(!d) return t; t = d; if(!++i) return t; } } void dirlist_select(struct dir *d) { if(!d || !head || ISHIDDEN(d) || d->parent != head->parent) return; selected->flags &= ~FF_BSEL; selected = d; selected->flags |= FF_BSEL; } /* We need a hint in order to figure out which item should be on top: * 0 = only get the current top, don't set anything * 1 = selected has moved down * -1 = selected has moved up * -2 = selected = first item in the list (faster version of '1') * -3 = top should be considered as invalid (after sorting or opening an other dir) * -4 = an item has been deleted * -5 = hidden flag has been changed * * Actions: * hint = -1 or -4 -> top = selected_is_visible ? top : selected * hint = -2 or -3 -> top = selected-(winrows-3)/2 * hint = 1 -> top = selected_is_visible ? top : selected-(winrows-4) * hint = 0 or -5 -> top = selected_is_visible ? top : selected-(winrows-3)/2 * * Regardless of the hint, the returned top will always be chosen such that the * selected item is visible. */ struct dir *dirlist_top(int hint) { struct dir *t; int i = winrows-3, visible = 0; if(hint == -2 || hint == -3) top = NULL; /* check whether the current selected item is within the visible window */ if(top) { i = winrows-3; t = dirlist_get(0); while(t && i--) { if(t == top) { visible++; break; } t = dirlist_prev(t); } } /* otherwise, get a new top */ if(!visible) top = hint == -1 || hint == -4 ? dirlist_get(0) : hint == 1 ? dirlist_get(-1*(winrows-4)) : dirlist_get(-1*(winrows-3)/2); /* also make sure that if the list is longer than the window and the last * item is visible, that this last item is also the last on the window */ t = top; i = winrows-3; while(t && i--) t = dirlist_next(t); t = top; do { top = t; t = dirlist_prev(t); } while(t && i-- > 0); return top; } void dirlist_set_sort(int col, int desc, int df) { /* update config */ if(col != DL_NOCHANGE) dirlist_sort_col = col; if(desc != DL_NOCHANGE) dirlist_sort_desc = desc; if(df != DL_NOCHANGE) dirlist_sort_df = df; /* sort the list (excluding the parent, which is always on top) */ head_real = dirlist_sort(head_real); if(dirlist_parent) dirlist_parent->next = head_real; else head = head_real; dirlist_top(-3); } void dirlist_set_hidden(int hidden) { dirlist_hidden = hidden; dirlist_fixup(); dirlist_top(-5); } ncdu-1.12/src/dir_common.c0000644000175000017500000001410312757365257012412 00000000000000/* ncdu - NCurses Disk Usage Copyright (c) 2007-2016 Yoran Heling Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "global.h" #include #include #include #include char *dir_curpath; /* Full path of the last seen item. */ struct dir_output dir_output; char *dir_fatalerr; /* Error message on a fatal error. (NULL if there was no fatal error) */ int dir_ui; /* User interface to use */ int confirm_quit_while_scanning_stage_1_passed; /* Additional check before quitting */ static char *lasterr; /* Path where the last error occured. */ static int curpathl; /* Allocated length of dir_curpath */ static int lasterrl; /* ^ of lasterr */ static void curpath_resize(int s) { if(curpathl < s) { curpathl = s < 128 ? 128 : s < curpathl*2 ? curpathl*2 : s; dir_curpath = realloc(dir_curpath, curpathl); } } void dir_curpath_set(const char *path) { curpath_resize(strlen(path)+1); strcpy(dir_curpath, path); } void dir_curpath_enter(const char *name) { curpath_resize(strlen(dir_curpath)+strlen(name)+2); if(dir_curpath[1]) strcat(dir_curpath, "/"); strcat(dir_curpath, name); } /* removes last component from dir_curpath */ void dir_curpath_leave() { char *tmp; if((tmp = strrchr(dir_curpath, '/')) == NULL) strcpy(dir_curpath, "/"); else if(tmp != dir_curpath) tmp[0] = 0; else tmp[1] = 0; } void dir_setlasterr(const char *path) { if(!path) { free(lasterr); lasterr = NULL; lasterrl = 0; return; } int req = strlen(path)+1; if(lasterrl < req) { lasterrl = req; lasterr = realloc(lasterr, lasterrl); } strcpy(lasterr, dir_curpath); } void dir_seterr(const char *fmt, ...) { free(dir_fatalerr); dir_fatalerr = NULL; if(!fmt) return; va_list va; va_start(va, fmt); dir_fatalerr = malloc(1024); /* Should be enough for everything... */ vsnprintf(dir_fatalerr, 1023, fmt, va); dir_fatalerr[1023] = 0; va_end(va); } struct dir *dir_createstruct(const char *name) { static struct dir *d = NULL; static size_t len = 0; size_t req = SDIRSIZE+strlen(name); if(len < req) { len = req < SDIRSIZE+256 ? SDIRSIZE+256 : req < len*2 ? len*2 : req; d = realloc(d, len); } memset(d, 0, SDIRSIZE); strcpy(d->name, name); return d; } static void draw_progress() { static const char scantext[] = "Scanning..."; static const char loadtext[] = "Loading..."; static size_t anpos = 0; const char *antext = dir_import_active ? loadtext : scantext; char ani[16] = {}; size_t i; int width = wincols-5; nccreate(10, width, antext); ncprint(2, 2, "Total items: %-8d", dir_output.items); if(dir_output.size) ncprint(2, 23, "size: %s", formatsize(dir_output.size)); ncprint(3, 2, "Current item: %s", cropstr(dir_curpath, width-18)); if (confirm_quit_while_scanning_stage_1_passed) ncaddstr(8, width-26, "Press y to confirm abort"); else ncaddstr(8, width-18, "Press q to abort"); /* show warning if we couldn't open a dir */ if(lasterr) { attron(A_BOLD); ncaddstr(5, 2, "Warning:"); attroff(A_BOLD); ncprint(5, 11, "error scanning %-32s", cropstr(lasterr, width-28)); ncaddstr(6, 3, "some directory sizes may not be correct"); } /* animation - but only if the screen refreshes more than or once every second */ if(update_delay <= 1000) { if(++anpos == strlen(antext)*2) anpos = 0; memset(ani, ' ', strlen(antext)); if(anpos < strlen(antext)) for(i=0; i<=anpos; i++) ani[i] = antext[i]; else for(i=strlen(antext)-1; i>anpos-strlen(antext); i--) ani[i] = antext[i]; } else strcpy(ani, antext); ncaddstr(8, 3, ani); } static void draw_error(char *cur, char *msg) { int width = wincols-5; nccreate(7, width, "Error!"); attron(A_BOLD); ncaddstr(2, 2, "Error:"); attroff(A_BOLD); ncprint(2, 9, "could not open %s", cropstr(cur, width-26)); ncprint(3, 4, "%s", cropstr(msg, width-8)); ncaddstr(5, width-30, "press any key to continue..."); } void dir_draw() { switch(dir_ui) { case 0: if(dir_fatalerr) fprintf(stderr, "%s.\n", dir_fatalerr); break; case 1: if(dir_fatalerr) fprintf(stderr, "\r%s.\n", dir_fatalerr); else if(dir_output.size) fprintf(stderr, "\r%-55s %8d files /%s", cropstr(dir_curpath, 55), dir_output.items, formatsize(dir_output.size)); else fprintf(stderr, "\r%-65s %8d files", cropstr(dir_curpath, 65), dir_output.items); break; case 2: browse_draw(); if(dir_fatalerr) draw_error(dir_curpath, dir_fatalerr); else draw_progress(); break; } } /* This function can't be called unless dir_ui == 2 * (Doesn't really matter either way). */ int dir_key(int ch) { if(dir_fatalerr) return 1; if(confirm_quit && confirm_quit_while_scanning_stage_1_passed) { if (ch == 'y'|| ch == 'Y') { return 1; } else { confirm_quit_while_scanning_stage_1_passed = 0; return 0; } } else if(ch == 'q') { if(confirm_quit) { confirm_quit_while_scanning_stage_1_passed = 1; return 0; } else return 1; } return 0; } ncdu-1.12/src/dir_export.c0000644000175000017500000001125512757365262012444 00000000000000/* ncdu - NCurses Disk Usage Copyright (c) 2007-2016 Yoran Heling Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "global.h" #include #include #include #include static FILE *stream; /* Stack of device IDs, also used to keep track of the level of nesting */ struct stack { uint64_t *list; int size, top; } stack; static void output_string(const char *str) { for(; *str; str++) { switch(*str) { case '\n': fputs("\\n", stream); break; case '\r': fputs("\\r", stream); break; case '\b': fputs("\\b", stream); break; case '\t': fputs("\\t", stream); break; case '\f': fputs("\\f", stream); break; case '\\': fputs("\\\\", stream); break; case '"': fputs("\\\"", stream); break; default: if((unsigned char)*str <= 31 || (unsigned char)*str == 127) fprintf(stream, "\\u00%02x", *str); else fputc(*str, stream); break; } } } static void output_int(uint64_t n) { char tmp[20]; int i = 0; do tmp[i++] = n % 10; while((n /= 10) > 0); while(i--) fputc(tmp[i]+'0', stream); } static void output_info(struct dir *d) { fputs("{\"name\":\"", stream); output_string(d->name); fputc('"', stream); /* No need for asize/dsize if they're 0 (which happens with excluded or failed-to-stat files) */ if(d->asize) { fputs(",\"asize\":", stream); output_int((uint64_t)d->asize); } if(d->size) { fputs(",\"dsize\":", stream); output_int((uint64_t)d->size); } if(d->dev != nstack_top(&stack, 0)) { fputs(",\"dev\":", stream); output_int(d->dev); } fputs(",\"ino\":", stream); output_int(d->ino); /* TODO: Including the actual number of links would be nicer. */ if(d->flags & FF_HLNKC) fputs(",\"hlnkc\":true", stream); if(d->flags & FF_ERR) fputs(",\"read_error\":true", stream); /* excluded/error'd files are "unknown" with respect to the "notreg" field. */ if(!(d->flags & (FF_DIR|FF_FILE|FF_ERR|FF_EXL|FF_OTHFS))) fputs(",\"notreg\":true", stream); if(d->flags & FF_EXL) fputs(",\"excluded\":\"pattern\"", stream); else if(d->flags & FF_OTHFS) fputs(",\"excluded\":\"othfs\"", stream); fputc('}', stream); } /* Note on error handling: For convenience, we just keep writing to *stream * without checking the return values of the functions. Only at the and of each * item() call do we check for ferror(). This greatly simplifies the code, but * assumes that calls to fwrite()/fput./etc don't do any weird stuff when * called with a stream that's in an error state. */ static int item(struct dir *item) { if(!item) { nstack_pop(&stack); if(!stack.top) { /* closing of the root item */ fputs("]]", stream); return fclose(stream); } else /* closing of a regular directory item */ fputs("]", stream); return ferror(stream); } dir_output.items++; /* File header. * TODO: Add scan options? */ if(!stack.top) { fputs("[1,0,{\"progname\":\""PACKAGE"\",\"progver\":\""PACKAGE_VERSION"\",\"timestamp\":", stream); output_int((uint64_t)time(NULL)); fputc('}', stream); } fputs(",\n", stream); if(item->flags & FF_DIR) fputc('[', stream); output_info(item); if(item->flags & FF_DIR) nstack_push(&stack, item->dev); return ferror(stream); } static int final(int fail) { nstack_free(&stack); return fail ? 1 : 1; /* Silences -Wunused-parameter */ } int dir_export_init(const char *fn) { if(strcmp(fn, "-") == 0) stream = stdout; else if((stream = fopen(fn, "w")) == NULL) return 1; nstack_init(&stack); pstate = ST_CALC; dir_output.item = item; dir_output.final = final; dir_output.size = 0; dir_output.items = 0; return 0; } ncdu-1.12/src/dir_import.c0000644000175000017500000003627512757365265012451 00000000000000/* ncdu - NCurses Disk Usage Copyright (c) 2007-2016 Yoran Heling Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* This JSON parser has the following limitations: * - No support for character encodings incompatible with ASCII (e.g. * UTF-16/32) * - Doesn't validate UTF-8 correctness (in fact, besides the ASCII part this * parser doesn't know anything about encoding). * - Doesn't validate that there are no duplicate keys in JSON objects. * - Isn't very strict with validating non-integer numbers. */ #include "global.h" #include #include #include #include #include /* Max. length of any JSON string we're interested in. A string may of course * be larger, we're not going to read more than MAX_VAL in memory. If a string * we're interested in (e.g. a file name) is longer than this, reading the * import will results in an error. */ #define MAX_VAL (32*1024) /* Minimum number of bytes we request from fread() */ #define MIN_READ_SIZE 1024 /* Read buffer size. Must be at least 2*MIN_READ_SIZE, everything larger * improves performance. */ #define READ_BUF_SIZE (32*1024) /* Maximum nesting level for JSON objects / arrays. (Well, approximately. In * some cases an object/array can be nested inside an other object/array while * only counting as a single level rather than two. Anyway, the point of this * limit is to prevent stack overflow, which it should do.) */ #define MAX_LEVEL 100 int dir_import_active = 0; /* Use a struct for easy batch-allocation and deallocation of state data. */ struct ctx { FILE *stream; int line; int byte; int eof; int items; int level; char *buf; /* points into readbuf, always zero-terminated. */ char *lastfill; /* points into readbuf, location of the zero terminator. */ char val[MAX_VAL]; char readbuf[READ_BUF_SIZE]; } *ctx; /* Fills readbuf with data from the stream. *buf will have at least n (< * READ_BUF_SIZE) bytes available, unless the stream reached EOF or an error * occured. If the file data contains a null-type, this is considered an error. * Returns 0 on success, non-zero on error. */ static int fill(int n) { int r; if(ctx->eof) return 0; r = READ_BUF_SIZE-(ctx->lastfill - ctx->readbuf); /* number of bytes left in the buffer */ if(n < r) n = r-1; if(n < MIN_READ_SIZE) { r = ctx->lastfill - ctx->buf; /* number of unread bytes left in the buffer */ memcpy(ctx->readbuf, ctx->buf, r); ctx->lastfill = ctx->readbuf + r; ctx->buf = ctx->readbuf; n = READ_BUF_SIZE-r-1; } do { r = fread(ctx->lastfill, 1, n, ctx->stream); if(r != n) { if(feof(ctx->stream)) ctx->eof = 1; else if(ferror(ctx->stream)) { dir_seterr("Read error: %s", strerror(errno)); return 1; } } ctx->lastfill[r] = 0; if(strlen(ctx->lastfill) != (size_t)r) { dir_seterr("Zero-byte found in JSON stream"); return 1; } ctx->lastfill += r; n -= r; } while(!ctx->eof && n > MIN_READ_SIZE); return 0; } /* Two macros that break function calling behaviour, but are damn convenient */ #define E(_x, _m) do {\ if(_x) {\ if(!dir_fatalerr)\ dir_seterr("Line %d byte %d: %s", ctx->line, ctx->byte, _m);\ return 1;\ }\ } while(0) #define C(_x) do {\ if(_x)\ return 1;\ } while(0) /* Require at least n bytes in the buffer, throw an error on early EOF. * (Macro to quickly handle the common case) */ #define rfill1 (!*ctx->buf && _rfill(1)) #define rfill(_n) ((ctx->lastfill - ctx->buf < (_n)) && _rfill(_n)) static int _rfill(int n) { C(fill(n)); E(ctx->lastfill - ctx->buf < n, "Unexpected EOF"); return 0; } /* Consumes n bytes from the buffer. */ static inline void con(int n) { ctx->buf += n; ctx->byte += n; } /* Consumes any whitespace. If *ctx->buf == 0 after this function, we've reached EOF. */ static int cons() { while(1) { C(!*ctx->buf && fill(1)); switch(*ctx->buf) { case 0x0A: /* Special-case the newline-character with respect to consuming stuff * from the buffer. This is the only function which *can* consume the * newline character, so it's more efficient to handle it in here rather * than in the more general con(). */ ctx->buf++; ctx->line++; ctx->byte = 0; break; case 0x20: case 0x09: case 0x0D: con(1); break; default: return 0; } } } static int rstring_esc(char **dest, int *destlen) { unsigned int n; C(rfill1); #define ap(c) if(*destlen > 1) { *((*dest)++) = c; (*destlen)--; } switch(*ctx->buf) { case '"': ap('"'); con(1); break; case '\\': ap('\\'); con(1); break; case '/': ap('/'); con(1); break; case 'b': ap(0x08); con(1); break; case 'f': ap(0x0C); con(1); break; case 'n': ap(0x0A); con(1); break; case 'r': ap(0x0D); con(1); break; case 't': ap(0x09); con(1); break; case 'u': C(rfill(5)); #define hn(n) (n >= '0' && n <= '9' ? n-'0' : n >= 'A' && n <= 'F' ? n-'A'+10 : n >= 'a' && n <= 'f' ? n-'a'+10 : 1<<16) n = (hn(ctx->buf[1])<<12) + (hn(ctx->buf[2])<<8) + (hn(ctx->buf[3])<<4) + hn(ctx->buf[4]); #undef hn if(n <= 0x007F) { ap(n); } else if(n <= 0x07FF) { ap(0xC0 | (n>>6)); ap(0x80 | (n & 0x3F)); } else if(n <= 0xFFFF) { ap(0xE0 | (n>>12)); ap(0x80 | ((n>>6) & 0x3F)); ap(0x80 | (n & 0x3F)); } else /* this happens if there was an invalid character (n >= (1<<16)) */ E(1, "Invalid character in \\u escape"); con(5); break; default: E(1, "Invalid escape sequence"); } #undef ap return 0; } /* Parse a JSON string and write it to *dest (max. destlen). Consumes but * otherwise ignores any characters if the string is longer than destlen. *dest * will be null-terminated, dest[destlen-1] = 0 if the string was cut just long * enough of was cut off. That byte will be left untouched if the string is * small enough. */ static int rstring(char *dest, int destlen) { C(rfill1); E(*ctx->buf != '"', "Expected string"); con(1); while(1) { C(rfill1); if(*ctx->buf == '"') break; if(*ctx->buf == '\\') { con(1); C(rstring_esc(&dest, &destlen)); continue; } E((unsigned char)*ctx->buf <= 0x1F || (unsigned char)*ctx->buf == 0x7F, "Invalid character"); if(destlen > 1) { *(dest++) = *ctx->buf; destlen--; } con(1); } con(1); if(destlen > 0) *dest = 0; return 0; } /* Parse and consume a JSON integer. Throws an error if the value does not fit * in an uint64_t, is not an integer or is larger than 'max'. */ static int rint64(uint64_t *val, uint64_t max) { uint64_t v; int haschar = 0; *val = 0; while(1) { C(!*ctx->buf && fill(1)); if(*ctx->buf == '0' && !haschar) { con(1); break; } if(*ctx->buf >= '0' && *ctx->buf <= '9') { haschar = 1; v = (*val)*10 + (*ctx->buf-'0'); E(v < *val, "Invalid (positive) integer"); *val = v; con(1); continue; } E(!haschar, "Invalid (positive) integer"); break; } E(*val > max, "Integer out of range"); return 0; } /* Parse and consume a JSON number. The result is discarded. * TODO: Improve validation. */ static int rnum() { int haschar = 0; C(rfill1); while(1) { C(!*ctx->buf && fill(1)); if(*ctx->buf == 'e' || *ctx->buf == 'E' || *ctx->buf == '-' || *ctx->buf == '+' || *ctx->buf == '.' || (*ctx->buf >= '0' && *ctx->buf <= '9')) { haschar = 1; con(1); } else { E(!haschar, "Invalid JSON value"); break; } } return 0; } static int rlit(const char *v, int len) { C(rfill(len)); E(strncmp(ctx->buf, v, len) != 0, "Invalid JSON value"); con(len); return 0; } /* Parse the " : " part of an object key. */ static int rkey(char *dest, int destlen) { C(cons() || rstring(dest, destlen) || cons()); E(*ctx->buf != ':', "Expected ':'"); con(1); return cons(); } /* (Recursively) parse and consume any JSON value. The result is discarded. */ static int rval() { ctx->level++; E(ctx->level > MAX_LEVEL, "Recursion depth exceeded"); C(rfill1); switch(*ctx->buf) { case 't': /* true */ C(rlit("true", 4)); break; case 'f': /* false */ C(rlit("false", 5)); break; case 'n': /* null */ C(rlit("null", 4)); break; case '"': /* string */ C(rstring(NULL, 0)); break; case '{': /* object */ con(1); while(1) { C(cons()); if(*ctx->buf == '}') break; C(rkey(NULL, 0) || rval() || cons()); if(*ctx->buf == '}') break; E(*ctx->buf != ',', "Expected ',' or '}'"); con(1); } con(1); break; case '[': /* array */ con(1); while(1) { C(cons()); if(*ctx->buf == ']') break; C(cons() || rval() || cons()); if(*ctx->buf == ']') break; E(*ctx->buf != ',', "Expected ',' or ']'"); con(1); } con(1); break; default: /* assume number */ C(rnum()); break; } ctx->level--; return 0; } /* Consumes everything up to the root item, and checks that this item is a dir. */ static int header() { uint64_t v; C(cons()); E(*ctx->buf != '[', "Expected JSON array"); con(1); C(cons() || rint64(&v, 10000) || cons()); E(v != 1, "Incompatible major format version"); E(*ctx->buf != ',', "Expected ','"); con(1); C(cons() || rint64(&v, 10000) || cons()); /* Ignore the minor version for now */ E(*ctx->buf != ',', "Expected ','"); con(1); /* Metadata block is currently ignored */ C(cons() || rval() || cons()); E(*ctx->buf != ',', "Expected ','"); con(1); C(cons()); E(*ctx->buf != '[', "Top-level item must be a directory"); return 0; } static int item(uint64_t); /* Read and add dir contents */ static int itemdir(uint64_t dev) { ctx->level++; E(ctx->level > MAX_LEVEL, "Recursion depth exceeded"); while(1) { C(cons()); if(*ctx->buf == ']') break; E(*ctx->buf != ',', "Expected ',' or ']'"); con(1); C(cons() || item(dev)); } con(1); C(cons()); ctx->level--; return 0; } static int iteminfo(struct dir **item, uint64_t dev, int isdir) { static struct dir dir; struct dir *tmp, *d = &dir; uint64_t iv; memset(d, 0, sizeof(struct dir)); d->flags |= isdir ? FF_DIR : FF_FILE; d->dev = dev; E(*ctx->buf != '{', "Expected JSON object"); con(1); while(1) { C(rkey(ctx->val, MAX_VAL)); /* TODO: strcmp() in this fashion isn't very fast. */ if(strcmp(ctx->val, "name") == 0) { /* name */ ctx->val[MAX_VAL-1] = 1; C(rstring(ctx->val, MAX_VAL)); E(ctx->val[MAX_VAL-1] != 1, "Too large string value"); tmp = dir_createstruct(ctx->val); memcpy(tmp, d, SDIRSIZE-1); d = tmp; } else if(strcmp(ctx->val, "asize") == 0) { /* asize */ C(rint64(&iv, INT64_MAX)); d->asize = iv; } else if(strcmp(ctx->val, "dsize") == 0) { /* dsize */ C(rint64(&iv, INT64_MAX)); d->size = iv; } else if(strcmp(ctx->val, "dev") == 0) { /* dev */ C(rint64(&iv, UINT64_MAX)); d->dev = iv; } else if(strcmp(ctx->val, "ino") == 0) { /* ino */ C(rint64(&iv, UINT64_MAX)); d->ino = iv; } else if(strcmp(ctx->val, "hlnkc") == 0) { /* hlnkc */ if(*ctx->buf == 't') { C(rlit("true", 4)); d->flags |= FF_HLNKC; } else C(rlit("false", 5)); } else if(strcmp(ctx->val, "read_error") == 0) { /* read_error */ if(*ctx->buf == 't') { C(rlit("true", 4)); d->flags |= FF_ERR; } else C(rlit("false", 5)); } else if(strcmp(ctx->val, "excluded") == 0) { /* excluded */ C(rstring(ctx->val, 8)); if(strcmp(ctx->val, "otherfs") == 0) d->flags |= FF_OTHFS; else d->flags |= FF_EXL; } else if(strcmp(ctx->val, "notreg") == 0) { /* notreg */ if(*ctx->buf == 't') { C(rlit("true", 4)); d->flags &= ~FF_FILE; } else C(rlit("false", 5)); } else C(rval()); C(cons()); if(*ctx->buf == '}') break; E(*ctx->buf != ',', "Expected ',' or '}'"); con(1); } con(1); E(!*d->name, "No name field present in item information object"); *item = d; ctx->items++; /* Only call input_handle() once for every 32 items. Importing items is so * fast that the time spent in input_handle() dominates when called every * time. Don't set this value too high, either, as feedback should still be * somewhat responsive when our import data comes from a slow-ish source. */ return !(ctx->items & 31) ? input_handle(1) : 0; } /* Recursively reads a file or directory item */ static int item(uint64_t dev) { int isdir = 0; int isroot = ctx->items == 0; struct dir *d = NULL; if(*ctx->buf == '[') { isdir = 1; con(1); C(cons()); } C(iteminfo(&d, dev, isdir)); dev = d->dev; if(isroot) dir_curpath_set(d->name); else dir_curpath_enter(d->name); if(isdir) { if(dir_output.item(d)) { dir_seterr("Output error: %s", strerror(errno)); return 1; } C(itemdir(dev)); if(dir_output.item(NULL)) { dir_seterr("Output error: %s", strerror(errno)); return 1; } } else if(dir_output.item(d)) { dir_seterr("Output error: %s", strerror(errno)); return 1; } if(!isroot) dir_curpath_leave(); return 0; } static int footer() { C(cons()); E(*ctx->buf != ']', "Expected ']'"); con(1); C(cons()); E(*ctx->buf, "Trailing garbage"); return 0; } static int process() { int fail = 0; header(); if(!dir_fatalerr) fail = item(0); if(!dir_fatalerr && !fail) footer(); if(fclose(ctx->stream) && !dir_fatalerr && !fail) dir_seterr("Error closing file: %s", strerror(errno)); free(ctx); while(dir_fatalerr && !input_handle(0)) ; return dir_output.final(dir_fatalerr || fail); } int dir_import_init(const char *fn) { FILE *stream; if(strcmp(fn, "-") == 0) stream = stdin; else if((stream = fopen(fn, "r")) == NULL) return 1; ctx = malloc(sizeof(struct ctx)); ctx->stream = stream; ctx->line = 1; ctx->byte = ctx->eof = ctx->items = ctx->level = 0; ctx->buf = ctx->lastfill = ctx->readbuf; ctx->readbuf[0] = 0; dir_curpath_set(fn); dir_process = process; dir_import_active = 1; return 0; } ncdu-1.12/src/dir_mem.c0000644000175000017500000001405612757365270011702 00000000000000/* ncdu - NCurses Disk Usage Copyright (c) 2007-2016 Yoran Heling Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "global.h" #include #include #include static struct dir *root; /* root directory struct we're scanning */ static struct dir *curdir; /* directory item that we're currently adding items to */ static struct dir *orig; /* original directory, when refreshing an already scanned dir */ /* Table of struct dir items with more than one link (in order to detect hard links) */ #define hlink_hash(d) (kh_int64_hash_func((khint64_t)d->dev) ^ kh_int64_hash_func((khint64_t)d->ino)) #define hlink_equal(a, b) ((a)->dev == (b)->dev && (a)->ino == (b)->ino) KHASH_INIT(hl, struct dir *, char, 0, hlink_hash, hlink_equal); static khash_t(hl) *links = NULL; /* recursively checks a dir structure for hard links and fills the lookup array */ static void hlink_init(struct dir *d) { struct dir *t; for(t=d->sub; t!=NULL; t=t->next) hlink_init(t); if(!(d->flags & FF_HLNKC)) return; int r; kh_put(hl, links, d, &r); } /* checks an individual file for hard links and updates its cicrular linked * list, also updates the sizes of the parent dirs */ static void hlink_check(struct dir *d) { struct dir *t, *pt, *par; int i; /* add to links table */ khiter_t k = kh_put(hl, links, d, &i); /* found in the table? update hlnk */ if(!i) { t = d->hlnk = kh_key(links, k); if(t->hlnk != NULL) for(t=t->hlnk; t->hlnk!=d->hlnk; t=t->hlnk) ; t->hlnk = d; } /* now update the sizes of the parent directories, * This works by only counting this file in the parent directories where this * file hasn't been counted yet, which can be determined from the hlnk list. * XXX: This may not be the most efficient algorithm to do this */ for(i=1,par=d->parent; i&∥ par=par->parent) { if(d->hlnk) for(t=d->hlnk; i&&t!=d; t=t->hlnk) for(pt=t->parent; i&&pt; pt=pt->parent) if(pt==par) i=0; if(i) { par->size = adds64(par->size, d->size); par->asize = adds64(par->size, d->asize); } } } /* Make a copy of *item so that we'll keep it in memory. In the special case * of !root && orig, we need to copy over the name of *orig instead of *item. */ static struct dir *item_copy(struct dir *item) { struct dir *t; if(!root && orig) { t = malloc(SDIRSIZE+strlen(orig->name)); memcpy(t, item, SDIRSIZE); strcpy(t->name, orig->name); } else { t = malloc(SDIRSIZE+strlen(item->name)); memcpy(t, item, SDIRSIZE+strlen(item->name)); } return t; } /* Add item to the correct place in the memory structure */ static void item_add(struct dir *item) { if(!root) { root = item; /* Make sure that the *root appears to be part of the same dir structure as * *orig, otherwise the directory size calculation will be incorrect in the * case of hard links. */ if(orig) root->parent = orig->parent; } else { item->parent = curdir; item->next = curdir->sub; if(item->next) item->next->prev = item; curdir->sub = item; } } static int item(struct dir *item) { struct dir *t; /* Go back to parent dir */ if(!item) { curdir = curdir->parent; return 0; } item = item_copy(item); item_add(item); /* Ensure that any next items will go to this directory */ if(item->flags & FF_DIR) curdir = item; /* Special-case the name of the root item to be empty instead of "/". This is * what getpath() expects. */ if(item == root && strcmp(item->name, "/") == 0) item->name[0] = 0; /* Update stats of parents. Don't update the size/asize fields if this is a * possible hard link, because hlnk_check() will take care of it in that * case. */ if(item->flags & FF_HLNKC) { addparentstats(item->parent, 0, 0, 1); hlink_check(item); } else addparentstats(item->parent, item->size, item->asize, 1); /* propagate ERR and SERR back up to the root */ if(item->flags & FF_SERR || item->flags & FF_ERR) for(t=item->parent; t; t=t->parent) t->flags |= FF_SERR; dir_output.size = root->size; dir_output.items = root->items; return 0; } static int final(int fail) { kh_destroy(hl, links); links = NULL; if(fail) { freedir(root); if(orig) { browse_init(orig); return 0; } else return 1; } /* success, update references and free original item */ if(orig) { root->next = orig->next; root->prev = orig->prev; if(root->parent && root->parent->sub == orig) root->parent->sub = root; if(root->prev) root->prev->next = root; if(root->next) root->next->prev = root; orig->next = orig->prev = NULL; freedir(orig); } browse_init(root); dirlist_top(-3); return 0; } void dir_mem_init(struct dir *_orig) { orig = _orig; root = curdir = NULL; pstate = ST_CALC; dir_output.item = item; dir_output.final = final; dir_output.size = 0; dir_output.items = 0; /* Init hash table for hard link detection */ links = kh_init(hl); if(orig) hlink_init(getroot(orig)); } ncdu-1.12/src/dir_scan.c0000644000175000017500000001755212757365272012056 00000000000000/* ncdu - NCurses Disk Usage Copyright (c) 2007-2016 Yoran Heling Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "global.h" #include #include #include #include #include #include #include /* set S_BLKSIZE if not defined already in sys/stat.h */ #ifndef S_BLKSIZE # define S_BLKSIZE 512 #endif int dir_scan_smfs; /* Stay on the same filesystem */ static uint64_t curdev; /* current device we're scanning on */ /* Populates the struct dir item with information from the stat struct. Sets * everything necessary for output_dir.item() except FF_ERR and FF_EXL. */ static void stat_to_dir(struct dir *d, struct stat *fs) { d->ino = (uint64_t)fs->st_ino; d->dev = (uint64_t)fs->st_dev; if(S_ISREG(fs->st_mode)) d->flags |= FF_FILE; else if(S_ISDIR(fs->st_mode)) d->flags |= FF_DIR; if(!S_ISDIR(fs->st_mode) && fs->st_nlink > 1) d->flags |= FF_HLNKC; if(dir_scan_smfs && curdev != d->dev) d->flags |= FF_OTHFS; if(!(d->flags & (FF_OTHFS|FF_EXL))) { d->size = fs->st_blocks * S_BLKSIZE; d->asize = fs->st_size; } } /* Reads all filenames in the currently chdir'ed directory and stores it as a * nul-separated list of filenames. The list ends with an empty filename (i.e. * two nuls). . and .. are not included. Returned memory should be freed. *err * is set to 1 if some error occured. Returns NULL if that error was fatal. * The reason for reading everything in memory first and then walking through * the list is to avoid eating too many file descriptors in a deeply recursive * directory. */ static char *dir_read(int *err) { DIR *dir; struct dirent *item; char *buf = NULL; int buflen = 512; int off = 0; if((dir = opendir(".")) == NULL) { *err = 1; return NULL; } buf = malloc(buflen); errno = 0; while((item = readdir(dir)) != NULL) { if(item->d_name[0] == '.' && (item->d_name[1] == 0 || (item->d_name[1] == '.' && item->d_name[2] == 0))) continue; int req = off+3+strlen(item->d_name); if(req > buflen) { buflen = req < buflen*2 ? buflen*2 : req; buf = realloc(buf, buflen); } strcpy(buf+off, item->d_name); off += strlen(item->d_name)+1; } if(errno) *err = 1; if(closedir(dir) < 0) *err = 1; buf[off] = 0; buf[off+1] = 0; return buf; } static int dir_walk(char *); /* Tries to recurse into the given directory item */ static int dir_scan_recurse(struct dir *d) { int fail = 0; char *dir; if(chdir(d->name)) { dir_setlasterr(dir_curpath); d->flags |= FF_ERR; if(dir_output.item(d) || dir_output.item(NULL)) { dir_seterr("Output error: %s", strerror(errno)); return 1; } return 0; } if((dir = dir_read(&fail)) == NULL) { dir_setlasterr(dir_curpath); d->flags |= FF_ERR; if(dir_output.item(d) || dir_output.item(NULL)) { dir_seterr("Output error: %s", strerror(errno)); return 1; } if(chdir("..")) { dir_seterr("Error going back to parent directory: %s", strerror(errno)); return 1; } else return 0; } /* readdir() failed halfway, not fatal. */ if(fail) d->flags |= FF_ERR; if(dir_output.item(d)) { dir_seterr("Output error: %s", strerror(errno)); return 1; } fail = dir_walk(dir); if(dir_output.item(NULL)) { dir_seterr("Output error: %s", strerror(errno)); return 1; } /* Not being able to chdir back is fatal */ if(!fail && chdir("..")) { dir_seterr("Error going back to parent directory: %s", strerror(errno)); return 1; } return fail; } /* Scans and adds a single item. Recurses into dir_walk() again if this is a * directory. Assumes we're chdir'ed in the directory in which this item * resides, i.e. d->name is a valid relative path to the item. */ static int dir_scan_item(struct dir *d) { struct stat st; int fail = 0; #ifdef __CYGWIN__ /* /proc/registry names may contain slashes */ if(strchr(d->name, '/') || strchr(d->name, '\\')) { d->flags |= FF_ERR; dir_setlasterr(dir_curpath); } #endif if(exclude_match(dir_curpath)) d->flags |= FF_EXL; if(!(d->flags & (FF_ERR|FF_EXL)) && lstat(d->name, &st)) { d->flags |= FF_ERR; dir_setlasterr(dir_curpath); } if(!(d->flags & (FF_ERR|FF_EXL))) stat_to_dir(d, &st); if(cachedir_tags && (d->flags & FF_DIR) && !(d->flags & (FF_ERR|FF_EXL|FF_OTHFS))) if(has_cachedir_tag(d->name)) { d->flags |= FF_EXL; d->size = d->asize = 0; } /* Recurse into the dir or output the item */ if(d->flags & FF_DIR && !(d->flags & (FF_ERR|FF_EXL|FF_OTHFS))) fail = dir_scan_recurse(d); else if(d->flags & FF_DIR) { if(dir_output.item(d) || dir_output.item(NULL)) { dir_seterr("Output error: %s", strerror(errno)); fail = 1; } } else if(dir_output.item(d)) { dir_seterr("Output error: %s", strerror(errno)); fail = 1; } return fail || input_handle(1); } /* Walks through the directory that we're currently chdir'ed to. *dir contains * the filenames as returned by dir_read(), and will be freed automatically by * this function. */ static int dir_walk(char *dir) { struct dir *d; int fail = 0; char *cur; fail = 0; for(cur=dir; !fail&&cur&&*cur; cur+=strlen(cur)+1) { dir_curpath_enter(cur); d = dir_createstruct(cur); fail = dir_scan_item(d); dir_curpath_leave(); } free(dir); return fail; } static int process() { char *path; char *dir; int fail = 0; struct stat fs; struct dir *d; if((path = path_real(dir_curpath)) == NULL) dir_seterr("Error obtaining full path: %s", strerror(errno)); else { dir_curpath_set(path); free(path); } if(!dir_fatalerr && path_chdir(dir_curpath) < 0) dir_seterr("Error changing directory: %s", strerror(errno)); /* Can these even fail after a chdir? */ if(!dir_fatalerr && lstat(".", &fs) != 0) dir_seterr("Error obtaining directory information: %s", strerror(errno)); if(!dir_fatalerr && !S_ISDIR(fs.st_mode)) dir_seterr("Not a directory"); if(!dir_fatalerr && !(dir = dir_read(&fail))) dir_seterr("Error reading directory: %s", strerror(errno)); if(!dir_fatalerr) { curdev = (uint64_t)fs.st_dev; d = dir_createstruct(dir_curpath); if(fail) d->flags |= FF_ERR; stat_to_dir(d, &fs); if(dir_output.item(d)) { dir_seterr("Output error: %s", strerror(errno)); fail = 1; } if(!fail) fail = dir_walk(dir); if(!fail && dir_output.item(NULL)) { dir_seterr("Output error: %s", strerror(errno)); fail = 1; } } while(dir_fatalerr && !input_handle(0)) ; return dir_output.final(dir_fatalerr || fail); } extern int confirm_quit_while_scanning_stage_1_passed; void dir_scan_init(const char *path) { dir_curpath_set(path); dir_setlasterr(NULL); dir_seterr(NULL); dir_process = process; pstate = ST_CALC; confirm_quit_while_scanning_stage_1_passed = 0; } ncdu-1.12/src/exclude.c0000644000175000017500000000664112757365303011715 00000000000000/* ncdu - NCurses Disk Usage Copyright (c) 2007-2016 Yoran Heling Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "exclude.h" #include #include #include #include struct exclude { char *pattern; struct exclude *next; } *excludes = NULL; void exclude_add(char *pat) { struct exclude **n; n = &excludes; while(*n != NULL) n = &((*n)->next); *n = (struct exclude *) calloc(1, sizeof(struct exclude)); (*n)->pattern = (char *) malloc(strlen(pat)+1); strcpy((*n)->pattern, pat); } int exclude_addfile(char *file) { FILE *f; char buf[256]; int len; if((f = fopen(file, "r")) == NULL) return 1; while(fgets(buf, 256, f) != NULL) { len = strlen(buf)-1; while(len >=0 && (buf[len] == '\r' || buf[len] == '\n')) buf[len--] = '\0'; if(len < 0) continue; exclude_add(buf); } fclose(f); return 0; } int exclude_match(char *path) { struct exclude *n; char *c; for(n=excludes; n!=NULL; n=n->next) { if(!fnmatch(n->pattern, path, 0)) return 1; for(c = path; *c; c++) if(*c == '/' && c[1] != '/' && !fnmatch(n->pattern, c+1, 0)) return 1; } return 0; } void exclude_clear() { struct exclude *n, *l; for(n=excludes; n!=NULL; n=l) { l = n->next; free(n->pattern); free(n); } excludes = NULL; } /* * Exclusion of directories that contain only cached information. * See http://www.brynosaurus.com/cachedir/ */ #define CACHEDIR_TAG_FILENAME "CACHEDIR.TAG" #define CACHEDIR_TAG_SIGNATURE "Signature: 8a477f597d28d172789f06886806bc55" int has_cachedir_tag(const char *name) { static int path_l = 1024; static char *path = NULL; int l; const size_t signature_l = sizeof CACHEDIR_TAG_SIGNATURE - 1; char buf[signature_l]; FILE *f; int match = 0; /* Compute the required length for `path`. */ l = strlen(name) + sizeof CACHEDIR_TAG_FILENAME + 2; if(l > path_l || path == NULL) { path_l = path_l * 2; if(path_l < l) path_l = l; /* We don't need to copy the content of `path`, so it's more efficient to * use `free` + `malloc`. */ free(path); path = malloc(path_l); } snprintf(path, path_l, "%s/%s", name, CACHEDIR_TAG_FILENAME); f = fopen(path, "rb"); if(f != NULL) { match = ((fread(buf, 1, signature_l, f) == signature_l) && !memcmp(buf, CACHEDIR_TAG_SIGNATURE, signature_l)); fclose(f); } return match; } ncdu-1.12/src/help.c0000644000175000017500000001347612757366714011227 00000000000000/* ncdu - NCurses Disk Usage Copyright (c) 2007-2016 Yoran Heling Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "global.h" #include #include int page, start; #define KEYS 17 char *keys[KEYS*2] = { /*|----key----| |----------------description----------------|*/ "up, k", "Move cursor up", "down, j", "Move cursor down", "right/enter", "Open selected directory", "left, <, h", "Open parent directory", "n", "Sort by name (ascending/descending)", "s", "Sort by size (ascending/descending)", "C", "Sort by items (ascending/descending)", "d", "Delete selected file or directory", "t", "Toggle dirs before files when sorting", "g", "Show percentage and/or graph", "a", "Toggle between apparent size and disk usage", "c", "Toggle display of child item counts", "e", "Show/hide hidden or excluded files", "i", "Show information about selected item", "r", "Recalculate the current directory", "b", "Spawn shell in current directory", "q", "Quit ncdu" }; void help_draw() { int i, line; browse_draw(); nccreate(15, 60, "ncdu help"); ncaddstr(13, 42, "Press q to close"); if(page == 1) attron(A_REVERSE); ncaddstr(0, 30, "1:Keys"); attroff(A_REVERSE); if(page == 2) attron(A_REVERSE); ncaddstr(0, 39, "2:Format"); attroff(A_REVERSE); if(page == 3) attron(A_REVERSE); ncaddstr(0, 50, "3:About"); attroff(A_REVERSE); switch(page) { case 1: line = 1; for(i=start*2; i'); ncaddch( 9, 4, '@'); ncaddch(10, 4, 'H'); ncaddch(11, 4, 'e'); attroff(A_BOLD); ncaddstr( 5, 7, "An error occured while reading this directory"); ncaddstr( 6, 7, "An error occured while reading a subdirectory"); ncaddstr( 7, 7, "File or directory is excluded from the statistics"); ncaddstr( 8, 7, "Directory was on an other filesystem"); ncaddstr( 9, 7, "This is not a file nor a dir (symlink, socket, ...)"); ncaddstr(10, 7, "Same file was already counted (hard link)"); ncaddstr(11, 7, "Empty directory"); break; case 3: /* Indeed, too much spare time */ attron(A_REVERSE); #define x 12 #define y 3 /* N */ ncaddstr(y+0, x+0, " "); ncaddstr(y+1, x+0, " "); ncaddstr(y+2, x+0, " "); ncaddstr(y+3, x+0, " "); ncaddstr(y+4, x+0, " "); ncaddstr(y+1, x+4, " "); ncaddstr(y+2, x+4, " "); ncaddstr(y+3, x+4, " "); ncaddstr(y+4, x+4, " "); /* C */ ncaddstr(y+0, x+8, " "); ncaddstr(y+1, x+8, " "); ncaddstr(y+2, x+8, " "); ncaddstr(y+3, x+8, " "); ncaddstr(y+4, x+8, " "); /* D */ ncaddstr(y+0, x+19, " "); ncaddstr(y+1, x+19, " "); ncaddstr(y+2, x+15, " "); ncaddstr(y+3, x+15, " "); ncaddstr(y+3, x+19, " "); ncaddstr(y+4, x+15, " "); /* U */ ncaddstr(y+0, x+23, " "); ncaddstr(y+1, x+23, " "); ncaddstr(y+2, x+23, " "); ncaddstr(y+3, x+23, " "); ncaddstr(y+0, x+27, " "); ncaddstr(y+1, x+27, " "); ncaddstr(y+2, x+27, " "); ncaddstr(y+3, x+27, " "); ncaddstr(y+4, x+23, " "); attroff(A_REVERSE); ncaddstr(y+0, x+30, "NCurses"); ncaddstr(y+1, x+30, "Disk"); ncaddstr(y+2, x+30, "Usage"); ncprint( y+4, x+30, "%s", PACKAGE_VERSION); ncaddstr( 9, 7, "Written by Yoran Heling "); ncaddstr(10, 16, "https://dev.yorhel.nl/ncdu/"); break; } } int help_key(int ch) { switch(ch) { case '1': case '2': case '3': page = ch-'0'; start = 0; break; case KEY_RIGHT: case KEY_NPAGE: case 'l': if(++page > 3) page = 3; start = 0; break; case KEY_LEFT: case KEY_PPAGE: case 'h': if(--page < 1) page = 1; start = 0; break; case KEY_DOWN: case ' ': case 'j': if(start < KEYS-10) start++; break; case KEY_UP: case 'k': if(start > 0) start--; break; default: pstate = ST_BROWSE; } return 0; } void help_init() { page = 1; start = 0; pstate = ST_HELP; } ncdu-1.12/src/shell.c0000644000175000017500000000435712757365355011404 00000000000000/* ncdu - NCurses Disk Usage Copyright (c) 2007-2016 Yoran Heling Shell support: Copyright (c) 2014 Thomas Jarosch Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "config.h" #include "global.h" #include "dirlist.h" #include "util.h" #include #include #include #include void shell_draw() { char *full_path; int res; /* suspend ncurses mode */ def_prog_mode(); endwin(); full_path = getpath(dirlist_par); res = chdir(full_path); if (res != 0) { reset_prog_mode(); clear(); printw("ERROR: Can't change directory: %s (errcode: %d)\n" "\n" "Press any key to continue.", full_path, res); } else { char *shell = getenv("NCDU_SHELL"); if (shell == NULL) { shell = getenv("SHELL"); if (shell == NULL) shell = DEFAULT_SHELL; } res = system(shell); /* resume ncurses mode */ reset_prog_mode(); if (res == -1 || !WIFEXITED(res) || WEXITSTATUS(res) == 127) { clear(); printw("ERROR: Can't execute shell interpreter: %s\n" "\n" "Press any key to continue.", shell); } } refresh(); pstate = ST_BROWSE; } void shell_init() { pstate = ST_SHELL; } ncdu-1.12/src/quit.c0000644000175000017500000000266612757365343011255 00000000000000/* ncdu - NCurses Disk Usage Copyright (c) 2015-2016 Yoran Heling Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "global.h" #include int quit_key(int ch) { switch(ch) { case 'y': case 'Y': return 1; default: pstate = ST_BROWSE; } return 0; } void quit_draw() { browse_draw(); nccreate(4,30, "ncdu confirm quit"); ncaddstr(2,2, "Really quit? (y/N)"); } void quit_init() { pstate = ST_QUIT; } ncdu-1.12/src/main.c0000644000175000017500000002004012757365322011176 00000000000000/* ncdu - NCurses Disk Usage Copyright (c) 2007-2016 Yoran Heling Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "global.h" #include #include #include #include #include #include #include int pstate; int read_only = 0; long update_delay = 100; int cachedir_tags = 0; static int min_rows = 17, min_cols = 60; static int ncurses_init = 0; static int ncurses_tty = 0; /* Explicitely open /dev/tty instead of using stdio */ static long lastupdate = 999; static void screen_draw() { switch(pstate) { case ST_CALC: dir_draw(); break; case ST_BROWSE: browse_draw(); break; case ST_HELP: help_draw(); break; case ST_SHELL: shell_draw(); break; case ST_DEL: delete_draw(); break; case ST_QUIT: quit_draw(); break; } } /* wait: * -1: non-blocking, always draw screen * 0: blocking wait for input and always draw screen * 1: non-blocking, draw screen only if a configured delay has passed or after keypress */ int input_handle(int wait) { int ch; struct timeval tv; if(wait != 1) screen_draw(); else { gettimeofday(&tv, (void *)NULL); tv.tv_usec = (1000*(tv.tv_sec % 1000) + (tv.tv_usec / 1000)) / update_delay; if(lastupdate != tv.tv_usec) { screen_draw(); lastupdate = tv.tv_usec; } } /* No actual input handling is done if ncurses hasn't been initialized yet. */ if(!ncurses_init) return wait == 0 ? 1 : 0; nodelay(stdscr, wait?1:0); while((ch = getch()) != ERR) { if(ch == KEY_RESIZE) { if(ncresize(min_rows, min_cols)) min_rows = min_cols = 0; /* ncresize() may change nodelay state, make sure to revert it. */ nodelay(stdscr, wait?1:0); screen_draw(); continue; } switch(pstate) { case ST_CALC: return dir_key(ch); case ST_BROWSE: return browse_key(ch); case ST_HELP: return help_key(ch); case ST_DEL: return delete_key(ch); case ST_QUIT: return quit_key(ch); } screen_draw(); } return 0; } /* parse command line */ static void argv_parse(int argc, char **argv) { yopt_t yopt; int v; char *val; char *export = NULL; char *import = NULL; char *dir = NULL; static yopt_opt_t opts[] = { { 'h', 0, "-h,-?" }, { 'q', 0, "-q" }, { 'v', 0, "-v" }, { 'x', 0, "-x" }, { 'r', 0, "-r" }, { 'o', 1, "-o" }, { 'f', 1, "-f" }, { '0', 0, "-0" }, { '1', 0, "-1" }, { '2', 0, "-2" }, { 1, 1, "--exclude" }, { 'X', 1, "-X,--exclude-from" }, { 'C', 0, "--exclude-caches" }, { 's', 0, "--si" }, { 'Q', 0, "--confirm-quit" }, {0,0,NULL} }; dir_ui = -1; si = 0; yopt_init(&yopt, argc, argv, opts); while((v = yopt_next(&yopt, &val)) != -1) { switch(v) { case 0 : dir = val; break; case 'h': printf("ncdu \n\n"); printf(" -h This help message\n"); printf(" -q Quiet mode, refresh interval 2 seconds\n"); printf(" -v Print version\n"); printf(" -x Same filesystem\n"); printf(" -r Read only\n"); printf(" -o FILE Export scanned directory to FILE\n"); printf(" -f FILE Import scanned directory from FILE\n"); printf(" -0,-1,-2 UI to use when scanning (0=none,2=full ncurses)\n"); printf(" --si Use base 10 (SI) prefixes instead of base 2\n"); printf(" --exclude PATTERN Exclude files that match PATTERN\n"); printf(" -X, --exclude-from FILE Exclude files that match any pattern in FILE\n"); printf(" --exclude-caches Exclude directories containing CACHEDIR.TAG\n"); printf(" --confirm-quit Confirm quitting ncdu\n"); exit(0); case 'q': update_delay = 2000; break; case 'v': printf("ncdu %s\n", PACKAGE_VERSION); exit(0); case 'x': dir_scan_smfs = 1; break; case 'r': read_only = 1; break; case 's': si = 1; break; case 'o': export = val; break; case 'f': import = val; break; case '0': dir_ui = 0; break; case '1': dir_ui = 1; break; case '2': dir_ui = 2; break; case 'Q': confirm_quit = 1; break; case 1 : exclude_add(val); break; /* --exclude */ case 'X': if(exclude_addfile(val)) { fprintf(stderr, "Can't open %s: %s\n", val, strerror(errno)); exit(1); } break; case 'C': cachedir_tags = 1; break; case -2: fprintf(stderr, "ncdu: %s.\n", val); exit(1); } } if(export) { if(dir_export_init(export)) { fprintf(stderr, "Can't open %s: %s\n", export, strerror(errno)); exit(1); } if(strcmp(export, "-") == 0) ncurses_tty = 1; } else dir_mem_init(NULL); if(import) { if(dir_import_init(import)) { fprintf(stderr, "Can't open %s: %s\n", import, strerror(errno)); exit(1); } if(strcmp(import, "-") == 0) ncurses_tty = 1; } else dir_scan_init(dir ? dir : "."); /* Use the single-line scan feedback by default when exporting to file, no * feedback when exporting to stdout. */ if(dir_ui == -1) dir_ui = export && strcmp(export, "-") == 0 ? 0 : export ? 1 : 2; } /* Initializes ncurses only when not done yet. */ static void init_nc() { int ok = 0; FILE *tty; SCREEN *term; if(ncurses_init) return; ncurses_init = 1; if(ncurses_tty) { tty = fopen("/dev/tty", "r+"); if(!tty) { fprintf(stderr, "Error opening /dev/tty: %s\n", strerror(errno)); exit(1); } term = newterm(NULL, tty, tty); if(term) set_term(term); ok = !!term; } else { /* Make sure the user doesn't accidentally pipe in data to ncdu's standard * input without using "-f -". An annoying input sequence could result in * the deletion of your files, which we want to prevent at all costs. */ if(!isatty(0)) { fprintf(stderr, "Standard input is not a TTY. Did you mean to import a file using '-f -'?\n"); exit(1); } ok = !!initscr(); } if(!ok) { fprintf(stderr, "Error while initializing ncurses.\n"); exit(1); } cbreak(); noecho(); curs_set(0); keypad(stdscr, TRUE); if(ncresize(min_rows, min_cols)) min_rows = min_cols = 0; } /* main program */ int main(int argc, char **argv) { read_locale(); argv_parse(argc, argv); if(dir_ui == 2) init_nc(); while(1) { /* We may need to initialize/clean up the screen when switching from the * (sometimes non-ncurses) CALC state to something else. */ if(pstate != ST_CALC) { if(dir_ui == 1) fputc('\n', stderr); init_nc(); } if(pstate == ST_CALC) { if(dir_process()) { if(dir_ui == 1) fputc('\n', stderr); break; } } else if(pstate == ST_DEL) delete_process(); else if(input_handle(0)) break; } if(ncurses_init) { erase(); refresh(); endwin(); } exclude_clear(); return 0; } ncdu-1.12/src/path.c0000644000175000017500000001302312757365327011216 00000000000000/* ncdu - NCurses Disk Usage Copyright (c) 2007-2016 Yoran Heling Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "path.h" #include #include #include #include #include #include #ifndef LINK_MAX # ifdef _POSIX_LINK_MAX # define LINK_MAX _POSIX_LINK_MAX # else # define LINK_MAX 32 # endif #endif #define RPATH_CNKSZ 256 /* splits a path into components and does a bit of cannonicalization. a pointer to a reversed array of components is stored in res and the number of components is returned. cur is modified, and res has to be free()d after use */ static int path_split(char *cur, char ***res) { char **old; int i, j, n; cur += strspn(cur, "/"); n = strlen(cur); /* replace slashes with zeros */ for(i=j=0; i=0; ) { if(!strcmp(old[j], "..")) { n++; continue; } if(!strcmp(old[j], ".")) continue; if(n) { n--; continue; } (*res)[i++] = old[j]; } free(old); return i; } /* copies path and prepends cwd if needed, to ensure an absolute path return value has to be free()'d manually */ static char *path_absolute(const char *path) { int i, n; char *ret; /* not an absolute path? prepend cwd */ if(path[0] != '/') { n = RPATH_CNKSZ; ret = malloc(n); errno = 0; while(!getcwd(ret, n) && errno == ERANGE) { n += RPATH_CNKSZ; ret = realloc(ret, n); errno = 0; } if(errno) { free(ret); return NULL; } i = strlen(path) + strlen(ret) + 2; if(i > n) ret = realloc(ret, i); strcat(ret, "/"); strcat(ret, path); /* otherwise, just make a copy */ } else { ret = malloc(strlen(path)+1); strcpy(ret, path); } return ret; } /* NOTE: cwd and the memory cur points to are unreliable after calling this * function. * TODO: This code is rather fragile and inefficient. A rewrite is in order. */ static char *path_real_rec(char *cur, int *links) { int i, n, tmpl, lnkl = 0; char **arr, *tmp, *lnk = NULL, *ret = NULL; tmpl = strlen(cur)+1; tmp = malloc(tmpl); /* split path */ i = path_split(cur, &arr); /* re-create full path */ strcpy(tmp, "/"); if(i > 0) { lnkl = RPATH_CNKSZ; lnk = malloc(lnkl); if(chdir("/") < 0) goto path_real_done; } while(--i>=0) { if(arr[i][0] == 0) continue; /* check for symlink */ while((n = readlink(arr[i], lnk, lnkl)) == lnkl || (n < 0 && errno == ERANGE)) { lnkl += RPATH_CNKSZ; lnk = realloc(lnk, lnkl); } if(n < 0 && errno != EINVAL) goto path_real_done; if(n > 0) { if(++*links > LINK_MAX) { errno = ELOOP; goto path_real_done; } lnk[n++] = 0; /* create new path */ if(lnk[0] != '/') n += strlen(tmp); if(tmpl < n) { tmpl = n; tmp = realloc(tmp, tmpl); } if(lnk[0] != '/') strcat(tmp, lnk); else strcpy(tmp, lnk); /* append remaining directories */ while(--i>=0) { n += strlen(arr[i])+1; if(tmpl < n) { tmpl = n; tmp = realloc(tmp, tmpl); } strcat(tmp, "/"); strcat(tmp, arr[i]); } /* call path_real_rec() with the new path */ ret = path_real_rec(tmp, links); goto path_real_done; } /* not a symlink, append component and go to the next part */ strcat(tmp, arr[i]); if(i) { if(chdir(arr[i]) < 0) goto path_real_done; strcat(tmp, "/"); } } ret = tmp; path_real_done: if(ret != tmp) free(tmp); if(lnkl > 0) free(lnk); free(arr); return ret; } char *path_real(const char *orig) { int links = 0; char *tmp, *ret; if(orig == NULL) return NULL; if((tmp = path_absolute(orig)) == NULL) return NULL; ret = path_real_rec(tmp, &links); free(tmp); return ret; } int path_chdir(const char *path) { char **arr, *cur; int i, r = -1; if((cur = path_absolute(path)) == NULL) return -1; i = path_split(cur, &arr); if(chdir("/") < 0) goto path_chdir_done; while(--i >= 0) if(chdir(arr[i]) < 0) goto path_chdir_done; r = 0; path_chdir_done: free(cur); free(arr); return r; } ncdu-1.12/src/util.c0000644000175000017500000001676612757365364011261 00000000000000/* ncdu - NCurses Disk Usage Copyright (c) 2007-2016 Yoran Heling Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "util.h" #include #include #include #include #ifdef HAVE_LOCALE_H #include #endif int winrows, wincols; int subwinr, subwinc; int si; char thou_sep; char *cropstr(const char *from, int s) { static char dat[4096]; int i, j, o = strlen(from); if(o < s) { strcpy(dat, from); return dat; } j=s/2-3; for(i=0; i 0); tmp[i] = '\0'; /* reverse and add thousand seperators */ j = 0; while(i--) { dat[j++] = tmp[i]; if(i != 0 && i%3 == 0) dat[j++] = thou_sep; } dat[j] = '\0'; return dat; } void read_locale() { thou_sep = '.'; #ifdef HAVE_LOCALE_H setlocale(LC_ALL, ""); char *locale_thou_sep = localeconv()->thousands_sep; if(locale_thou_sep && 1 == strlen(locale_thou_sep)) thou_sep = locale_thou_sep[0]; #endif } int ncresize(int minrows, int mincols) { int ch; getmaxyx(stdscr, winrows, wincols); while((minrows && winrows < minrows) || (mincols && wincols < mincols)) { erase(); mvaddstr(0, 0, "Warning: terminal too small,"); mvaddstr(1, 1, "please either resize your terminal,"); mvaddstr(2, 1, "press i to ignore, or press q to quit."); refresh(); nodelay(stdscr, 0); ch = getch(); getmaxyx(stdscr, winrows, wincols); if(ch == 'q') { erase(); refresh(); endwin(); exit(0); } if(ch == 'i') return 1; } erase(); return 0; } void nccreate(int height, int width, const char *title) { int i; subwinr = winrows/2-height/2; subwinc = wincols/2-width/2; /* clear window */ for(i=0; iflags & FF_HLNKC)) return; /* remove size from parents. * This works the same as with adding: only the parents in which THIS is the * only occurence of the hard link will be modified, if the same file still * exists within the parent it shouldn't get removed from the count. * XXX: Same note as for dir_mem.c / hlink_check(): * this is probably not the most efficient algorithm */ for(i=1,par=d->parent; i&∥ par=par->parent) { if(d->hlnk) for(t=d->hlnk; i&&t!=d; t=t->hlnk) for(pt=t->parent; i&&pt; pt=pt->parent) if(pt==par) i=0; if(i) { par->size = adds64(par->size, -d->size); par->asize = adds64(par->size, -d->asize); } } /* remove from hlnk */ if(d->hlnk) { for(t=d->hlnk; t->hlnk!=d; t=t->hlnk) ; t->hlnk = d->hlnk; } } static void freedir_rec(struct dir *dr) { struct dir *tmp, *tmp2; tmp2 = dr; while((tmp = tmp2) != NULL) { freedir_hlnk(tmp); /* remove item */ if(tmp->sub) freedir_rec(tmp->sub); tmp2 = tmp->next; free(tmp); } } void freedir(struct dir *dr) { if(!dr) return; /* free dr->sub recursively */ if(dr->sub) freedir_rec(dr->sub); /* update references */ if(dr->parent && dr->parent->sub == dr) dr->parent->sub = dr->next; if(dr->prev) dr->prev->next = dr->next; if(dr->next) dr->next->prev = dr->prev; freedir_hlnk(dr); /* update sizes of parent directories if this isn't a hard link. * If this is a hard link, freedir_hlnk() would have done so already */ addparentstats(dr->parent, dr->flags & FF_HLNKC ? 0 : -dr->size, dr->flags & FF_HLNKC ? 0 : -dr->asize, -(dr->items+1)); free(dr); } char *getpath(struct dir *cur) { static char *dat; static int datl = 0; struct dir *d, **list; int c, i; if(!cur->name[0]) return "/"; c = i = 1; for(d=cur; d!=NULL; d=d->parent) { i += strlen(d->name)+1; c++; } if(datl == 0) { datl = i; dat = malloc(i); } else if(datl < i) { datl = i; dat = realloc(dat, i); } list = malloc(c*sizeof(struct dir *)); c = 0; for(d=cur; d!=NULL; d=d->parent) list[c++] = d; dat[0] = '\0'; while(c--) { if(list[c]->parent) strcat(dat, "/"); strcat(dat, list[c]->name); } free(list); return dat; } struct dir *getroot(struct dir *d) { while(d && d->parent) d = d->parent; return d; } void addparentstats(struct dir *d, int64_t size, int64_t asize, int items) { while(d) { d->size = adds64(d->size, size); d->asize = adds64(d->asize, asize); d->items += items; d = d->parent; } } ncdu-1.12/Makefile.am0000644000175000017500000000173412577444135011364 00000000000000AM_CPPFLAGS=-I$(srcdir)/deps bin_PROGRAMS=ncdu ncdu_SOURCES=\ src/browser.c\ src/delete.c\ src/dirlist.c\ src/dir_common.c\ src/dir_export.c\ src/dir_import.c\ src/dir_mem.c\ src/dir_scan.c\ src/exclude.c\ src/help.c\ src/shell.c\ src/quit.c\ src/main.c\ src/path.c\ src/util.c noinst_HEADERS=\ deps/yopt.h\ deps/khash.h\ src/browser.h\ src/delete.h\ src/dir.h\ src/dirlist.h\ src/exclude.h\ src/global.h\ src/help.h\ src/shell.h\ src/quit.h\ src/path.h\ src/util.h man_MANS=ncdu.1 EXTRA_DIST=ncdu.1 doc/ncdu.pod # Don't "clean" ncdu.1, it should be in the tarball so that pod2man isn't a # build dependency for those who use the tarball. ncdu.1: $(srcdir)/doc/ncdu.pod pod2man --center "ncdu manual" --release "@PACKAGE@-@VERSION@" "$(srcdir)/doc/ncdu.pod" >ncdu.1 update-deps: wget -q https://raw.github.com/attractivechaos/klib/master/khash.h -O "$(srcdir)/deps/khash.h" wget -q http://g.blicky.net/ylib.git/plain/yopt.h -O "$(srcdir)/deps/yopt.h" ncdu-1.12/configure0000755000175000017500000060153312757367021011240 00000000000000#! /bin/sh # Guess values for system-dependent variables and create Makefiles. # Generated by GNU Autoconf 2.69 for ncdu 1.12. # # Report bugs to . # # # Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc. # # # This configure script is free software; the Free Software Foundation # gives unlimited permission to copy, distribute and modify it. ## -------------------- ## ## M4sh Initialization. ## ## -------------------- ## # Be more Bourne compatible DUALCASE=1; export DUALCASE # for MKS sh if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : emulate sh NULLCMD=: # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which # is contrary to our usage. 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Deprecated, use `HAVE_STRUCT_STAT_ST_BLOCKS' instead. */ #undef HAVE_ST_BLOCKS /* Define to 1 if you have the `system' function. */ #undef HAVE_SYSTEM /* Define to 1 if you have the header file. */ #undef HAVE_SYS_STAT_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_TIME_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_TYPES_H /* Define to 1 if you have the header file. */ #undef HAVE_UNISTD_H /* Define to 1 if you have the `unlink' function. */ #undef HAVE_UNLINK /* Name of package */ #undef PACKAGE /* Define to the address where bug reports for this package should be sent. */ #undef PACKAGE_BUGREPORT /* Define to the full name of this package. */ #undef PACKAGE_NAME /* Define to the full name and version of this package. */ #undef PACKAGE_STRING /* Define to the one symbol short name of this package. */ #undef PACKAGE_TARNAME /* Define to the home page for this package. */ #undef PACKAGE_URL /* Define to the version of this package. */ #undef PACKAGE_VERSION /* Define to 1 if you have the ANSI C header files. */ #undef STDC_HEADERS /* Version number of package */ #undef VERSION /* Enable large inode numbers on Mac OS X 10.5. */ #ifndef _DARWIN_USE_64_BIT_INODE # define _DARWIN_USE_64_BIT_INODE 1 #endif /* Number of bits in a file offset, on hosts where this is settable. */ #undef _FILE_OFFSET_BITS /* Define for large files, on AIX-style hosts. */ #undef _LARGE_FILES /* Define for Solaris 2.5.1 so the uint64_t typedef from , , or is not used. If the typedef were allowed, the #define below would cause a syntax error. */ #undef _UINT64_T /* Define to the type of a signed integer type of width exactly 64 bits if such a type exists and the standard includes do not define it. */ #undef int64_t /* Define to the type of an unsigned integer type of width exactly 64 bits if such a type exists and the standard includes do not define it. */ #undef uint64_t ncdu-1.12/COPYING0000644000175000017500000000204512757365375010367 00000000000000Copyright (c) 2007-2016 Yoran Heling Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ncdu-1.12/ChangeLog0000644000175000017500000001227012757365026011100 000000000000001.12 - 2016-08-24 - Add NCDU_SHELL environment variable - Add --confirm-quit flag - Fix compilation due to missing sys/wait.h include 1.11 - 2015-04-05 - Added 'b' key to spawn shell in the current directory - Support scanning (and refreshing) of empty directories - Added --si flag for base 10 prefixes - Fix toggle dirs before files 1.10 - 2013-05-09 - Added 'c' key to display item counts - Added 'C' key to order by item counts - Added CACHEDIR.TAG support and --exclude-caches option - Use locale-dependent thousand separator - Use pkg-config to detect ncurses - Clip file/dir sizes to 8 EiB minus one byte - Fix buffer overflow when formatting huge file sizes 1.9 - 2012-09-27 - Added option to dump scanned directory information to a file (-o) - Added option to load scanned directory information from a file (-f) - Added multiple scan and load interfaces (-0,-1,-2) - Fit loading and error windows to the terminal width (#13) - Fix symlink resolving bug (#18) - Fix path display when scanning an empty directory (#15) - Fix hang when terminal is resized to a too small size while loading - Use top-level automake build - Remove useless AUTHORS, INSTALL and NEWS files - ncdu.1 now uses POD as source format 1.8 - 2011-11-03 - Use hash table to speed up hard link detection - Added read-only option (-r) - Use KiB instead of kiB (#3399279) 1.7 - 2010-08-13 - List the detected hard links in file info window - Count the size of a hard linked file once for each directory it appears in - Fixed crash on browsing dirs with a small window size (#2991787) - Fixed buffer overflow when some directories can't be scanned (#2981704) - Fixed segfault when launched on a nonexistant directory (#3012787) - Fixed segfault when root dir only contains hidden files - Improved browsing performance - More intuitive multi-page browsing - Display size graph by default - Various minor fixes 1.6 - 2009-10-23 - Implemented hard link detection - Properly select the next item after deletion - Removed reliance of dirfd() - Fixed non-void return in void delete_process() - Fixed several tiny memory leaks - Return to previously opened directory on failed recalculation - Properly display MiB units instead of MB (IEEE 1541 - bug #2831412) - Link to ncursesw when available - Improved support for non-ASCII characters - VIM keybindings for browsing through the tree (#2788249, #1880622) 1.5 - 2009-05-02 - Fixed incorrect apparent size on directory refresh - Browsing keys now work while file info window is displayed - Current directory is assumed when no directory is specified - Size graph uses the apparent size if that is displayed - Items are ordered by displayed size rather than disk usage - Removed switching between powers of 1000/1024 - Don't rely on the availability of suseconds_t - Correctly handle paths longer than PATH_MAX - Fixed various bugs related to rpath() - Major code rewrite - Fixed line width when displaying 100% 1.4 - 2008-09-10 - Removed the startup window - Filenames ending with a tidle (~) will now also be hidden with the 'h'-key - Fixed buffer overflow when supplying a path longer than PATH_MAX (patch by Tobias Stoeckmann) - Used S_BLKSIZE instead of a hardcoded block size of 512 - Fixed display of disk usage and apparent sizes - Updated ncdu -h - Included patches for Cygwin - Cursor now follows the selected item - Added spaces around path (debian #472194) - Fixed segfault on empty directory (debian #472294) - A few code rewrites and improvements 1.3 - 2007-08-05 - Added 'r'-key to refresh the current directory - Removed option to calculate apparent size: both the disk usage and the apparent size are calculated. - Added 'a'-key to switch between showing apparent size and disk usage. - Added 'i'-key to display information about the selected item. - Small performance improvements - configure checks for ncurses.h (bug #1764304) 1.2 - 2007-07-24 - Fixed some bugs on cygwin - Added du-like exclude patterns - Fixed bug #1758403: large directories work fine now - Rewrote a large part of the code - Fixed a bug with wide characters - Performance improvements when browsing large dirs 1.1 - 2007-04-30 - Deleting files and directories is now possible from within ncdu. - The key for sorting directories between files has changed to 't' instead of 'd'. The 'd'-key is now used for deleting files. 1.0 - 2007-04-06 - First stable release - Small code cleanup - Added a key to toggle between sorting dirs before files and dirs between files - Added graphs and percentages to the directory browser (can be enabled or disabled with the 'g'-key) 0.3 - 2007-03-04 - When browsing back to the previous directory, the directory you're getting back from will be selected. - Added directory scanning in quiet mode to save bandwidth on remote connections. 0.2 - 2007-02-26 - Fixed POSIX compliance: replaced realpath() with my own implementation, and gettimeofday() is not required anymore (but highly recommended) - Added a warning for terminals smaller than 60x16 - Mountpoints (or any other directory pointing to another filesystem) are now considered to be directories rather than files. 0.1 - 2007-02-21 - Initial version ncdu-1.12/README0000644000175000017500000000342712757366753010222 00000000000000ncdu 1.12 ========= DESCRIPTION ncdu (NCurses Disk Usage) is a curses-based version of the well-known 'du', and provides a fast way to see what directories are using your disk space. REQUIREMENTS In order to compile and install ncdu, you need to have at least... - a POSIX-compliant operating system (Linux, BSD, etc) - curses libraries and header files INSTALL The usual: ./configure --prefix=/usr make make install If you're building directly from the git repository, make sure you have perl (or rather, pod2man), pkg-config and GNU autoconf/automake installed, then run 'autoreconf -i', and you're ready to continue with the usual ./configure and make route. COPYING Copyright (c) 2007-2016 Yoran Heling Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ncdu-1.12/compile0000755000175000017500000001624512757365510010710 00000000000000#! /bin/sh # Wrapper for compilers which do not understand '-c -o'. scriptversion=2012-10-14.11; # UTC # Copyright (C) 1999-2014 Free Software Foundation, Inc. # Written by Tom Tromey . # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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We # parameterize here, but still list the modes in the big case below, # to make depend.m4 easier to write. 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Yay! Note: for some reason libtool 1.4 doesn't like ## it if -MD -MP comes after the -MF stuff. Hmm. ## Unfortunately, FreeBSD c89 acceptance of flags depends upon ## the command line argument order; so add the flags where they ## appear in depend2.am. Note that the slowdown incurred here ## affects only configure: in makefiles, %FASTDEP% shortcuts this. for arg do case $arg in -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;; *) set fnord "$@" "$arg" ;; esac shift # fnord shift # $arg done "$@" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi mv "$tmpdepfile" "$depfile" ;; gcc) ## Note that this doesn't just cater to obsosete pre-3.x GCC compilers. ## but also to in-use compilers like IMB xlc/xlC and the HP C compiler. ## (see the conditional assignment to $gccflag above). ## There are various ways to get dependency output from gcc. Here's ## why we pick this rather obscure method: ## - Don't want to use -MD because we'd like the dependencies to end ## up in a subdir. Having to rename by hand is ugly. ## (We might end up doing this anyway to support other compilers.) ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like ## -MM, not -M (despite what the docs say). Also, it might not be ## supported by the other compilers which use the 'gcc' depmode. ## - Using -M directly means running the compiler twice (even worse ## than renaming). if test -z "$gccflag"; then gccflag=-MD, fi "$@" -Wp,"$gccflag$tmpdepfile" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" echo "$object : \\" > "$depfile" # The second -e expression handles DOS-style file names with drive # letters. sed -e 's/^[^:]*: / /' \ -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" ## This next piece of magic avoids the "deleted header file" problem. ## The problem is that when a header file which appears in a .P file ## is deleted, the dependency causes make to die (because there is ## typically no way to rebuild the header). We avoid this by adding ## dummy dependencies for each header file. Too bad gcc doesn't do ## this for us directly. ## Some versions of gcc put a space before the ':'. On the theory ## that the space means something, we add a space to the output as ## well. hp depmode also adds that space, but also prefixes the VPATH ## to the object. Take care to not repeat it in the output. ## Some versions of the HPUX 10.20 sed can't process this invocation ## correctly. Breaking it into two sed invocations is a workaround. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \ | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; hp) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. This case will never be run, # since it is checked for above. exit 1 ;; sgi) if test "$libtool" = yes; then "$@" "-Wp,-MDupdate,$tmpdepfile" else "$@" -MDupdate "$tmpdepfile" fi stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files echo "$object : \\" > "$depfile" # Clip off the initial element (the dependent). Don't try to be # clever and replace this with sed code, as IRIX sed won't handle # lines with more than a fixed number of characters (4096 in # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; # the IRIX cc adds comments like '#:fec' to the end of the # dependency line. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \ | tr "$nl" ' ' >> "$depfile" echo >> "$depfile" # The second pass generates a dummy entry for each header file. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ >> "$depfile" else make_dummy_depfile fi rm -f "$tmpdepfile" ;; xlc) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. This case will never be run, # since it is checked for above. exit 1 ;; aix) # The C for AIX Compiler uses -M and outputs the dependencies # in a .u file. In older versions, this file always lives in the # current directory. Also, the AIX compiler puts '$object:' at the # start of each line; $object doesn't have directory information. # Version 6 uses the directory in both cases. set_dir_from "$object" set_base_from "$object" if test "$libtool" = yes; then tmpdepfile1=$dir$base.u tmpdepfile2=$base.u tmpdepfile3=$dir.libs/$base.u "$@" -Wc,-M else tmpdepfile1=$dir$base.u tmpdepfile2=$dir$base.u tmpdepfile3=$dir$base.u "$@" -M fi stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" exit $stat fi for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" do test -f "$tmpdepfile" && break done aix_post_process_depfile ;; tcc) # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26 # FIXME: That version still under development at the moment of writing. # Make that this statement remains true also for stable, released # versions. # It will wrap lines (doesn't matter whether long or short) with a # trailing '\', as in: # # foo.o : \ # foo.c \ # foo.h \ # # It will put a trailing '\' even on the last line, and will use leading # spaces rather than leading tabs (at least since its commit 0394caf7 # "Emit spaces for -MD"). "$@" -MD -MF "$tmpdepfile" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'. # We have to change lines of the first kind to '$object: \'. sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile" # And for each line of the second kind, we have to emit a 'dep.h:' # dummy dependency, to avoid the deleted-header problem. sed -n -e 's|^ *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile" rm -f "$tmpdepfile" ;; ## The order of this option in the case statement is important, since the ## shell code in configure will try each of these formats in the order ## listed in this file. A plain '-MD' option would be understood by many ## compilers, so we must ensure this comes after the gcc and icc options. pgcc) # Portland's C compiler understands '-MD'. # Will always output deps to 'file.d' where file is the root name of the # source file under compilation, even if file resides in a subdirectory. # The object file name does not affect the name of the '.d' file. # pgcc 10.2 will output # foo.o: sub/foo.c sub/foo.h # and will wrap long lines using '\' : # foo.o: sub/foo.c ... \ # sub/foo.h ... \ # ... set_dir_from "$object" # Use the source, not the object, to determine the base name, since # that's sadly what pgcc will do too. set_base_from "$source" tmpdepfile=$base.d # For projects that build the same source file twice into different object # files, the pgcc approach of using the *source* file root name can cause # problems in parallel builds. Use a locking strategy to avoid stomping on # the same $tmpdepfile. lockdir=$base.d-lock trap " echo '$0: caught signal, cleaning up...' >&2 rmdir '$lockdir' exit 1 " 1 2 13 15 numtries=100 i=$numtries while test $i -gt 0; do # mkdir is a portable test-and-set. if mkdir "$lockdir" 2>/dev/null; then # This process acquired the lock. "$@" -MD stat=$? # Release the lock. rmdir "$lockdir" break else # If the lock is being held by a different process, wait # until the winning process is done or we timeout. while test -d "$lockdir" && test $i -gt 0; do sleep 1 i=`expr $i - 1` done fi i=`expr $i - 1` done trap - 1 2 13 15 if test $i -le 0; then echo "$0: failed to acquire lock after $numtries attempts" >&2 echo "$0: check lockdir '$lockdir'" >&2 exit 1 fi if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" # Each line is of the form `foo.o: dependent.h', # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. # Do two passes, one to just change these to # `$object: dependent.h' and one to simply `dependent.h:'. sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" # Some versions of the HPUX 10.20 sed can't process this invocation # correctly. Breaking it into two sed invocations is a workaround. sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \ | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; hp2) # The "hp" stanza above does not work with aCC (C++) and HP's ia64 # compilers, which have integrated preprocessors. The correct option # to use with these is +Maked; it writes dependencies to a file named # 'foo.d', which lands next to the object file, wherever that # happens to be. # Much of this is similar to the tru64 case; see comments there. set_dir_from "$object" set_base_from "$object" if test "$libtool" = yes; then tmpdepfile1=$dir$base.d tmpdepfile2=$dir.libs/$base.d "$@" -Wc,+Maked else tmpdepfile1=$dir$base.d tmpdepfile2=$dir$base.d "$@" +Maked fi stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile1" "$tmpdepfile2" exit $stat fi for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" do test -f "$tmpdepfile" && break done if test -f "$tmpdepfile"; then sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile" # Add 'dependent.h:' lines. sed -ne '2,${ s/^ *// s/ \\*$// s/$/:/ p }' "$tmpdepfile" >> "$depfile" else make_dummy_depfile fi rm -f "$tmpdepfile" "$tmpdepfile2" ;; tru64) # The Tru64 compiler uses -MD to generate dependencies as a side # effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'. # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put # dependencies in 'foo.d' instead, so we check for that too. # Subdirectories are respected. set_dir_from "$object" set_base_from "$object" if test "$libtool" = yes; then # Libtool generates 2 separate objects for the 2 libraries. These # two compilations output dependencies in $dir.libs/$base.o.d and # in $dir$base.o.d. We have to check for both files, because # one of the two compilations can be disabled. We should prefer # $dir$base.o.d over $dir.libs/$base.o.d because the latter is # automatically cleaned when .libs/ is deleted, while ignoring # the former would cause a distcleancheck panic. tmpdepfile1=$dir$base.o.d # libtool 1.5 tmpdepfile2=$dir.libs/$base.o.d # Likewise. tmpdepfile3=$dir.libs/$base.d # Compaq CCC V6.2-504 "$@" -Wc,-MD else tmpdepfile1=$dir$base.d tmpdepfile2=$dir$base.d tmpdepfile3=$dir$base.d "$@" -MD fi stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" exit $stat fi for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" do test -f "$tmpdepfile" && break done # Same post-processing that is required for AIX mode. aix_post_process_depfile ;; msvc7) if test "$libtool" = yes; then showIncludes=-Wc,-showIncludes else showIncludes=-showIncludes fi "$@" $showIncludes > "$tmpdepfile" stat=$? grep -v '^Note: including file: ' "$tmpdepfile" if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" echo "$object : \\" > "$depfile" # The first sed program below extracts the file names and escapes # backslashes for cygpath. The second sed program outputs the file # name when reading, but also accumulates all include files in the # hold buffer in order to output them again at the end. This only # works with sed implementations that can handle large buffers. sed < "$tmpdepfile" -n ' /^Note: including file: *\(.*\)/ { s//\1/ s/\\/\\\\/g p }' | $cygpath_u | sort -u | sed -n ' s/ /\\ /g s/\(.*\)/'"$tab"'\1 \\/p s/.\(.*\) \\/\1:/ H $ { s/.*/'"$tab"'/ G p }' >> "$depfile" echo >> "$depfile" # make sure the fragment doesn't end with a backslash rm -f "$tmpdepfile" ;; msvc7msys) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. This case will never be run, # since it is checked for above. exit 1 ;; #nosideeffect) # This comment above is used by automake to tell side-effect # dependency tracking mechanisms from slower ones. dashmstdout) # Important note: in order to support this mode, a compiler *must* # always write the preprocessed file to stdout, regardless of -o. "$@" || exit $? # Remove the call to Libtool. if test "$libtool" = yes; then while test "X$1" != 'X--mode=compile'; do shift done shift fi # Remove '-o $object'. IFS=" " for arg do case $arg in -o) shift ;; $object) shift ;; *) set fnord "$@" "$arg" shift # fnord shift # $arg ;; esac done test -z "$dashmflag" && dashmflag=-M # Require at least two characters before searching for ':' # in the target name. This is to cope with DOS-style filenames: # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise. "$@" $dashmflag | sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile" rm -f "$depfile" cat < "$tmpdepfile" > "$depfile" # Some versions of the HPUX 10.20 sed can't process this sed invocation # correctly. Breaking it into two sed invocations is a workaround. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \ | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; dashXmstdout) # This case only exists to satisfy depend.m4. It is never actually # run, as this mode is specially recognized in the preamble. exit 1 ;; makedepend) "$@" || exit $? # Remove any Libtool call if test "$libtool" = yes; then while test "X$1" != 'X--mode=compile'; do shift done shift fi # X makedepend shift cleared=no eat=no for arg do case $cleared in no) set ""; shift cleared=yes ;; esac if test $eat = yes; then eat=no continue fi case "$arg" in -D*|-I*) set fnord "$@" "$arg"; shift ;; # Strip any option that makedepend may not understand. Remove # the object too, otherwise makedepend will parse it as a source file. -arch) eat=yes ;; -*|$object) ;; *) set fnord "$@" "$arg"; shift ;; esac done obj_suffix=`echo "$object" | sed 's/^.*\././'` touch "$tmpdepfile" ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" rm -f "$depfile" # makedepend may prepend the VPATH from the source file name to the object. # No need to regex-escape $object, excess matching of '.' is harmless. sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile" # Some versions of the HPUX 10.20 sed can't process the last invocation # correctly. Breaking it into two sed invocations is a workaround. sed '1,2d' "$tmpdepfile" \ | tr ' ' "$nl" \ | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \ | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" "$tmpdepfile".bak ;; cpp) # Important note: in order to support this mode, a compiler *must* # always write the preprocessed file to stdout. "$@" || exit $? # Remove the call to Libtool. if test "$libtool" = yes; then while test "X$1" != 'X--mode=compile'; do shift done shift fi # Remove '-o $object'. IFS=" " for arg do case $arg in -o) shift ;; $object) shift ;; *) set fnord "$@" "$arg" shift # fnord shift # $arg ;; esac done "$@" -E \ | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ | sed '$ s: \\$::' > "$tmpdepfile" rm -f "$depfile" echo "$object : \\" > "$depfile" cat < "$tmpdepfile" >> "$depfile" sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; msvisualcpp) # Important note: in order to support this mode, a compiler *must* # always write the preprocessed file to stdout. "$@" || exit $? # Remove the call to Libtool. if test "$libtool" = yes; then while test "X$1" != 'X--mode=compile'; do shift done shift fi IFS=" " for arg do case "$arg" in -o) shift ;; $object) shift ;; "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") set fnord "$@" shift shift ;; *) set fnord "$@" "$arg" shift shift ;; esac done "$@" -E 2>/dev/null | sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile" rm -f "$depfile" echo "$object : \\" > "$depfile" sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile" echo "$tab" >> "$depfile" sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile" rm -f "$tmpdepfile" ;; msvcmsys) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. This case will never be run, # since it is checked for above. exit 1 ;; none) exec "$@" ;; *) echo "Unknown depmode $depmode" 1>&2 exit 1 ;; esac exit 0 # Local Variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC" # time-stamp-end: "; # UTC" # End: ncdu-1.12/install-sh0000755000175000017500000003452312757365510011335 00000000000000#!/bin/sh # install - install a program, script, or datafile scriptversion=2013-12-25.23; # UTC # This originates from X11R5 (mit/util/scripts/install.sh), which was # later released in X11R6 (xc/config/util/install.sh) with the # following copyright and license. # # Copyright (C) 1994 X Consortium # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to # deal in the Software without restriction, including without limitation the # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or # sell copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # # Except as contained in this notice, the name of the X Consortium shall not # be used in advertising or otherwise to promote the sale, use or other deal- # ings in this Software without prior written authorization from the X Consor- # tium. # # # FSF changes to this file are in the public domain. # # Calling this script install-sh is preferred over install.sh, to prevent # 'make' implicit rules from creating a file called install from it # when there is no Makefile. # # This script is compatible with the BSD install script, but was written # from scratch. tab=' ' nl=' ' IFS=" $tab$nl" # Set DOITPROG to "echo" to test this script. doit=${DOITPROG-} doit_exec=${doit:-exec} # Put in absolute file names if you don't have them in your path; # or use environment vars. chgrpprog=${CHGRPPROG-chgrp} chmodprog=${CHMODPROG-chmod} chownprog=${CHOWNPROG-chown} cmpprog=${CMPPROG-cmp} cpprog=${CPPROG-cp} mkdirprog=${MKDIRPROG-mkdir} mvprog=${MVPROG-mv} rmprog=${RMPROG-rm} stripprog=${STRIPPROG-strip} posix_mkdir= # Desired mode of installed file. mode=0755 chgrpcmd= chmodcmd=$chmodprog chowncmd= mvcmd=$mvprog rmcmd="$rmprog -f" stripcmd= src= dst= dir_arg= dst_arg= copy_on_change=false is_target_a_directory=possibly usage="\ Usage: $0 [OPTION]... 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Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" ncdu \- NCurses Disk Usage .SH "SYNOPSIS" .IX Header "SYNOPSIS" \&\fBncdu\fR [\fIoptions\fR] \fIdir\fR .SH "DESCRIPTION" .IX Header "DESCRIPTION" ncdu (NCurses Disk Usage) is a curses-based version of the well-known 'du', and provides a fast way to see what directories are using your disk space. .SH "OPTIONS" .IX Header "OPTIONS" .SS "Mode Selection" .IX Subsection "Mode Selection" .IP "\-h" 4 .IX Item "-h" Print a short help message and quit. .IP "\-v" 4 .IX Item "-v" Print ncdu version and quit. .IP "\-f \fI\s-1FILE\s0\fR" 4 .IX Item "-f FILE" Load the given file, which has earlier been created with the \f(CW\*(C`\-o\*(C'\fR option. If \&\fI\s-1FILE\s0\fR is equivalent to \f(CW\*(C`\-\*(C'\fR, the file is read from standard input. .Sp For the sake of preventing a screw-up, the current version of ncdu will assume that the directory information in the imported file does not represent the filesystem on which the file is being imported. That is, the refresh and file deletion options in the browser will be disabled. .IP "\fIdir\fR" 4 .IX Item "dir" Scan the given directory. .IP "\-o \fI\s-1FILE\s0\fR" 4 .IX Item "-o FILE" Export all necessary information to \fI\s-1FILE\s0\fR instead of opening the browser interface. If \fI\s-1FILE\s0\fR is \f(CW\*(C`\-\*(C'\fR, the data is written to standard output. See the examples section below for some handy use cases. .Sp Be warned that the exported data may grow quite large when exporting a directory with many files. 10.000 files will get you an export in the order of 600 to 700 KiB uncompressed, or a little over 100 KiB when compressed with gzip. This scales linearly, so be prepared to handle a few tens of megabytes when dealing with millions of files. .SS "Interface options" .IX Subsection "Interface options" .IP "\-0" 4 .IX Item "-0" Don't give any feedback while scanning a directory or importing a file, other than when a fatal error occurs. Ncurses will not be initialized until the scan is complete. When exporting the data with \f(CW\*(C`\-o\*(C'\fR, ncurses will not be initialized at all. This option is the default when exporting to standard output. .IP "\-1" 4 .IX Item "-1" Similar to \f(CW\*(C`\-0\*(C'\fR, but does give feedback on the scanning progress with a single line of output. This option is the default when exporting to a file. .Sp In some cases, the ncurses browser interface which you'll see after the scan/import is complete may look garbled when using this option. If you're not exporting to a file, \f(CW\*(C`\-2\*(C'\fR is probably a better choice. .IP "\-2" 4 .IX Item "-2" Provide a full-screen ncurses interface while scanning a directory or importing a file. This is the only interface that provides feedback on any non-fatal errors while scanning. .IP "\-q" 4 .IX Item "-q" Quiet mode. While scanning or importing the directory, ncdu will update the screen 10 times a second by default, this will be decreased to once every 2 seconds in quiet mode. Use this feature to save bandwidth over remote connections. This option has no effect when \f(CW\*(C`\-0\*(C'\fR is used. .IP "\-r" 4 .IX Item "-r" Read-only mode. This will disable the built-in file deletion feature. This option has no effect when \f(CW\*(C`\-o\*(C'\fR is used, because there will not be a browser interface in that case. It has no effect when \f(CW\*(C`\-f\*(C'\fR is used, either, because the deletion feature is disabled in that case anyway. .IP "\-\-si" 4 .IX Item "--si" List sizes using base 10 prefixes, that is, powers of 1000 (\s-1KB, MB,\s0 etc), as defined in the International System of Units (\s-1SI\s0), instead of the usual base 2 prefixes, that is, powers of 1024 (KiB, MiB, etc). .IP "\-\-confirm\-quit" 4 .IX Item "--confirm-quit" Requires a confirmation before quitting ncdu. Very helpful when you accidentally press 'q' during or after a very long scan. .SS "Scan Options" .IX Subsection "Scan Options" These options affect the scanning progress, and have no effect when importing directory information from a file. .IP "\-x" 4 .IX Item "-x" Do not cross filesystem boundaries, i.e. only count files and directories on the same filesystem as the directory being scanned. .IP "\-\-exclude \fI\s-1PATTERN\s0\fR" 4 .IX Item "--exclude PATTERN" Exclude files that match \fI\s-1PATTERN\s0\fR. The files will still be displayed by default, but are not counted towards the disk usage statistics. This argument can be added multiple times to add more patterns. .IP "\-X \fI\s-1FILE\s0\fR, \-\-exclude\-from \fI\s-1FILE\s0\fR" 4 .IX Item "-X FILE, --exclude-from FILE" Exclude files that match any pattern in \fI\s-1FILE\s0\fR. Patterns should be separated by a newline. .IP "\-\-exclude\-caches" 4 .IX Item "--exclude-caches" Exclude directories containing \s-1CACHEDIR.TAG. \s0 The directories will still be displayed, but not their content, and they are not counted towards the disk usage statistics. See http://www.brynosaurus.com/cachedir/ .SH "KEYS" .IX Header "KEYS" .IP "?" 4 Show help + keys + about screen .IP "up, down j, k" 4 .IX Item "up, down j, k" Cycle through the items .IP "right, enter, l" 4 .IX Item "right, enter, l" Open selected directory .IP "left, <, h" 4 .IX Item "left, <, h" Go to parent directory .IP "n" 4 .IX Item "n" Order by filename (press again for descending order) .IP "s" 4 .IX Item "s" Order by filesize (press again for descending order) .IP "C" 4 .IX Item "C" Order by number of items (press again for descending order) .IP "a" 4 .IX Item "a" Toggle between showing disk usage and showing apparent size. .IP "d" 4 .IX Item "d" Delete the selected file or directory. An error message will be shown when the contents of the directory do not match or do not exist anymore on the filesystem. .IP "t" 4 .IX Item "t" Toggle dirs before files when sorting. .IP "g" 4 .IX Item "g" Toggle between showing percentage, graph, both, or none. Percentage is relative to the size of the current directory, graph is relative to the largest item in the current directory. .IP "c" 4 .IX Item "c" Toggle display of child item counts. .IP "e" 4 .IX Item "e" Show/hide 'hidden' or 'excluded' files and directories. Please note that even though you can't see the hidden files and directories, they are still there and they are still included in the directory sizes. If you suspect that the totals shown at the bottom of the screen are not correct, make sure you haven't enabled this option. .IP "i" 4 .IX Item "i" Show information about the current selected item. .IP "r" 4 .IX Item "r" Refresh/recalculate the current directory. .IP "b" 4 .IX Item "b" Spawn shell in current directory. .Sp Ncdu will determine your preferred shell from the \f(CW\*(C`NCDU_SHELL\*(C'\fR or \f(CW\*(C`SHELL\*(C'\fR variable (in that order), or will call \f(CW\*(C`/bin/sh\*(C'\fR if neither are set. This allows you to also configure another command to be run when he 'b' key is pressed. For example, to spawn the \fIvifm\fR\|(1) file manager instead of a shell, run ncdu as follows: .Sp .Vb 2 \& export NCDU_SHELL=vifm \& ncdu .Ve .IP "q" 4 .IX Item "q" Quit .SH "EXAMPLES" .IX Header "EXAMPLES" To scan and browse the directory you're currently in, all you need is a simple: .PP .Vb 1 \& ncdu .Ve .PP If you want to scan a full filesystem, your root filesystem, for example, then you'll want to use \f(CW\*(C`\-x\*(C'\fR: .PP .Vb 1 \& ncdu \-x / .Ve .PP Since scanning a large directory may take a while, you can scan a directory and export the results for later viewing: .PP .Vb 3 \& ncdu \-1xo\- / | gzip >export.gz \& # ...some time later: \& zcat export.gz | ncdu \-f\- .Ve .PP To export from a cron job, make sure to replace \f(CW\*(C`\-1\*(C'\fR with \f(CW\*(C`\-0\*(C'\fR to suppress any unnecessary output. .PP You can also export a directory and browse it once scanning is done: .PP .Vb 1 \& ncdu \-o\- | tee export.file | ./ncdu \-f\- .Ve .PP The same is possible with gzip compression, but is a bit kludgey: .PP .Vb 1 \& ncdu \-o\- | gzip | tee export.gz | gunzip | ./ncdu \-f\- .Ve .PP To scan a system remotely, but browse through the files locally: .PP .Vb 1 \& ssh \-C user@system ncdu \-o\- / | ./ncdu \-f\- .Ve .PP The \f(CW\*(C`\-C\*(C'\fR option to ssh enables compression, which will be very useful over slow links. Remote scanning and local viewing has two major advantages when compared to running ncdu directly on the remote system: You can browse through the scanned directory on the local system without any network latency, and ncdu does not keep the entire directory structure in memory when exporting, so you won't consume much memory on the remote system. .SH "HARD LINKS" .IX Header "HARD LINKS" Every disk usage analysis utility has its own way of (not) counting hard links. There does not seem to be any universally agreed method of handling hard links, and it is even inconsistent among different versions of ncdu. This section explains what each version of ncdu does. .PP ncdu 1.5 and below does not support any hard link detection at all: each link is considered a separate inode and its size is counted for every link. This means that the displayed directory sizes are incorrect when analyzing directories which contain hard links. .PP ncdu 1.6 has basic hard link detection: When a link to a previously encountered inode is detected, the link is considered to have a file size of zero bytes. Its size is not counted again, and the link is indicated in the browser interface with a 'H' mark. The displayed directory sizes are only correct when all links to an inode reside within that directory. When this is not the case, the sizes may or may not be correct, depending on which links were considered as \*(L"duplicate\*(R" and which as \*(L"original\*(R". The indicated size of the topmost directory (that is, the one specified on the command line upon starting ncdu) is always correct. .PP ncdu 1.7 and later has improved hard link detection. Each file that has more than two links has the \*(L"H\*(R" mark visible in the browser interface. Each hard link is counted exactly once for every directory it appears in. The indicated size of each directory is therefore, correctly, the sum of the sizes of all unique inodes that can be found in that directory. Note, however, that this may not always be same as the space that will be reclaimed after deleting the directory, as some inodes may still be accessible from hard links outside it. .SH "BUGS" .IX Header "BUGS" Directory hard links are not supported. They will not be detected as being hard links, and will thus be scanned and counted multiple times. .PP Some minor glitches may appear when displaying filenames that contain multibyte or multicolumn characters. .PP All sizes are internally represented as a signed 64bit integer. If you have a directory larger than 8 EiB minus one byte, ncdu will clip its size to 8 EiB minus one byte. When deleting items in a directory with a clipped size, the resulting sizes will be incorrect. .PP Item counts are stored in a signed 32\-bit integer without overflow detection. If you have a directory with more than 2 billion files, quite literally anything can happen. .PP Please report any other bugs you may find at the bug tracker, which can be found on the web site at https://dev.yorhel.nl/ncdu .SH "AUTHOR" .IX Header "AUTHOR" Written by Yoran Heling . .SH "SEE ALSO" .IX Header "SEE ALSO" \&\fIdu\fR\|(1)