From 53a0e971960a520bd859b8aac6dbebec2045115f Mon Sep 17 00:00:00 2001 From: Denis Vlasenko Date: Sat, 16 Jun 2007 00:30:52 +0000 Subject: [PATCH] find: make -size match GNU find --- findutils/Config.in | 2 +- findutils/find.c | 36 ++++++++++++++++++++++++++++++++++-- include/usage.h | 31 +++++++++++++++++-------------- libbb/xatonum_template.c | 4 ++-- 4 files changed, 54 insertions(+), 19 deletions(-) diff --git a/findutils/Config.in b/findutils/Config.in index bcdc02446..f8ad98de1 100644 --- a/findutils/Config.in +++ b/findutils/Config.in @@ -30,7 +30,7 @@ config FEATURE_FIND_MTIME files, in days. config FEATURE_FIND_MMIN - bool "Enable modified time matching (-min) option" + bool "Enable modified time matching (-mmin) option" default y depends on FIND help diff --git a/findutils/find.c b/findutils/find.c index 386bc54ad..036d13f4a 100644 --- a/findutils/find.c +++ b/findutils/find.c @@ -45,6 +45,14 @@ * (no output) */ +/* Testing script + * ./busybox find "$@" | tee /tmp/bb_find + * echo ================== + * /path/to/gnu/find "$@" | tee /tmp/std_find + * echo ================== + * diff -u /tmp/std_find /tmp/bb_find && echo Identical + */ + #include #include "libbb.h" #if ENABLE_FEATURE_FIND_REGEX @@ -82,7 +90,7 @@ USE_FEATURE_FIND_EXEC( ACTS(exec, char **exec_argv; unsigned *subst_count; int USE_FEATURE_FIND_USER( ACTS(user, uid_t uid;)) USE_FEATURE_FIND_GROUP( ACTS(group, gid_t gid;)) USE_FEATURE_FIND_PAREN( ACTS(paren, action ***subexpr;)) -USE_FEATURE_FIND_SIZE( ACTS(size, off_t size;)) +USE_FEATURE_FIND_SIZE( ACTS(size, char size_char; off_t size;)) USE_FEATURE_FIND_PRUNE( ACTS(prune)) USE_FEATURE_FIND_DELETE(ACTS(delete)) @@ -314,6 +322,10 @@ ACTF(paren) #if ENABLE_FEATURE_FIND_SIZE ACTF(size) { + if (ap->size_char == '+') + return statbuf->st_size > ap->size; + if (ap->size_char == '-') + return statbuf->st_size < ap->size; return statbuf->st_size == ap->size; } #endif @@ -714,11 +726,31 @@ static action*** parse_params(char **argv) #endif #if ENABLE_FEATURE_FIND_SIZE else if (parm == PARM_size) { +/* -size n[bckw]: file uses n units of space + * b (default): units are 512-byte blocks + * c: 1 byte + * k: kilobytes + * w: 2-byte words + */ +#if ENABLE_LFS +#define XATOU_SFX xatoull_sfx +#else +#define XATOU_SFX xatoul_sfx +#endif + static const struct suffix_mult find_suffixes[] = { + { "c", 1 }, + { "w", 2 }, + { "b"+1, 512 }, + { "b", 512 }, + { "k", 1024 }, + { NULL, 0 } + }; action_size *ap; if (!*++argv) bb_error_msg_and_die(bb_msg_requires_arg, arg); ap = ALLOC_ACTION(size); - ap->size = XATOOFF(arg1); + ap->size_char = arg1[0]; + ap->size = XATOU_SFX(plus_minus_num(arg1), find_suffixes); } #endif #if ENABLE_FEATURE_FIND_PRUNE diff --git a/include/usage.h b/include/usage.h index 8c438e285..1c4442e33 100644 --- a/include/usage.h +++ b/include/usage.h @@ -948,15 +948,15 @@ USE_FEATURE_FIND_MAXDEPTH( \ "\n -maxdepth N Descend at most N levels. -maxdepth 0 applies" \ "\n tests/actions to command line arguments only") \ - "\n -name PATTERN File name (leading directories removed) matches PATTERN" \ - "\n -print Print (default and assumed)" \ - USE_FEATURE_FIND_PRINT0( \ - "\n -print0 Delimit output with null characters rather than" \ - "\n newlines") \ + "\n -name PATTERN File name (w/o directory name) matches PATTERN" \ + USE_FEATURE_FIND_PATH( \ + "\n -path PATTERN Path matches PATTERN") \ + USE_FEATURE_FIND_REGEX( \ + "\n -regex PATTERN Path matches regex PATTERN") \ USE_FEATURE_FIND_TYPE( \ - "\n -type X Filetype matches X (where X is one of: f,d,l,b,c,...)") \ + "\n -type X File type is X (X is one of: f,d,l,b,c,...)") \ USE_FEATURE_FIND_PERM( \ - "\n -perm PERMS Permissions match any of (+NNN), all of (-NNN)," \ + "\n -perm NNN Permissions match any of (+NNN), all of (-NNN)," \ "\n or exactly (NNN)") \ USE_FEATURE_FIND_MTIME( \ "\n -mtime DAYS Modified time is greater than (+N), less than (-N)," \ @@ -968,23 +968,26 @@ "\n -newer FILE Modified time is more recent than FILE's") \ USE_FEATURE_FIND_INUM( \ "\n -inum N File has inode number N") \ - USE_FEATURE_FIND_EXEC( \ - "\n -exec CMD Execute CMD with all instances of {} replaced by the" \ - "\n files matching EXPRESSION") \ USE_FEATURE_FIND_USER( \ "\n -user NAME File is owned by user NAME (numeric user ID allowed)") \ USE_FEATURE_FIND_GROUP( \ "\n -group NAME File belongs to group NAME (numeric group ID allowed)") \ USE_FEATURE_FIND_DEPTH( \ - "\n -depth Process directory after traversing it") \ + "\n -depth Process directory name after traversing it") \ USE_FEATURE_FIND_SIZE( \ - "\n -size N File size is N") \ + "\n -size N[bck] File size is N (c:bytes,k:kbytes,b:512 bytes(def.))." \ + "\n +/-N: file size is bigger/smaller than N") \ + "\n -print Print (default and assumed)" \ + USE_FEATURE_FIND_PRINT0( \ + "\n -print0 Delimit output with null characters rather than" \ + "\n newlines") \ + USE_FEATURE_FIND_EXEC( \ + "\n -exec CMD ARG ; Execute CMD with all instances of {} replaced by the" \ + "\n matching files") \ USE_FEATURE_FIND_PRUNE( \ "\n -prune Stop traversing current subtree") \ USE_FEATURE_FIND_DELETE( \ "\n -delete Delete files, turns on -depth option") \ - USE_FEATURE_FIND_PATH( \ - "\n -path Path matches PATTERN") \ USE_FEATURE_FIND_PAREN( \ "\n (EXPR) Group an expression") \ diff --git a/libbb/xatonum_template.c b/libbb/xatonum_template.c index ce0199594..bc8116056 100644 --- a/libbb/xatonum_template.c +++ b/libbb/xatonum_template.c @@ -49,9 +49,8 @@ unsigned type xstrtou(_range_sfx)(const char *numstr, int base, if (strcmp(suffixes->suffix, e) == 0) { if (XSTR_UTYPE_MAX / suffixes->mult < r) goto range; /* overflow! */ - ++e; r *= suffixes->mult; - break; + goto chk_range; } ++suffixes; } @@ -61,6 +60,7 @@ unsigned type xstrtou(_range_sfx)(const char *numstr, int base, It would be easy enough to allow though if desired. */ if (*e) goto inval; + chk_range: /* Finally, check for range limits. */ if (r >= lower && r <= upper) return r; -- 2.25.1