1 /* vi: set sw=4 ts=4: */
3 * Mini find implementation for busybox
5 * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
7 * Reworked by David Douthitt <n9ubh@callsign.net> and
8 * Matt Kraai <kraai@alumni.carnegiemellon.edu>.
10 * Licensed under the GPL version 2, see the file LICENSE in this tarball.
15 * # find file.txt -exec 'echo {}' '{} {}' ';'
16 * find: echo file.txt: No such file or directory
17 * # find file.txt -exec 'echo' '{} {}' '; '
18 * find: missing argument to `-exec'
19 * # find file.txt -exec 'echo {}' '{} {}' ';' junk
20 * find: paths must precede expression
21 * # find file.txt -exec 'echo {}' '{} {}' ';' junk ';'
22 * find: paths must precede expression
23 * # find file.txt -exec 'echo' '{} {}' ';'
25 * (strace: execve("/bin/echo", ["echo", "file.txt file.txt"], [ 30 vars ]))
26 * # find file.txt -exec 'echo' '{} {}' ';' -print -exec pwd ';'
30 * # find -name '*.c' -o -name '*.h'
31 * [shows files, *.c and *.h intermixed]
32 * # find file.txt -name '*f*' -o -name '*t*'
34 * # find file.txt -name '*z*' -o -name '*t*'
36 * # find file.txt -name '*f*' -o -name '*z*'
39 * # find t z -name '*t*' -print -o -name '*z*'
41 * # find t z t z -name '*t*' -o -name '*z*' -print
44 * # find t z t z '(' -name '*t*' -o -name '*z*' ')' -o -print
49 * ./busybox find "$@" | tee /tmp/bb_find
50 * echo ==================
51 * /path/to/gnu/find "$@" | tee /tmp/std_find
52 * echo ==================
53 * diff -u /tmp/std_find /tmp/bb_find && echo Identical
58 #if ENABLE_FEATURE_FIND_REGEX
62 /* This is a NOEXEC applet. Be very careful! */
65 typedef int (*action_fp)(const char *fileName, const struct stat *statbuf, void *) FAST_FUNC;
69 #if ENABLE_FEATURE_FIND_NOT
74 #define ACTS(name, ...) typedef struct { action a; __VA_ARGS__ } action_##name;
76 static int FAST_FUNC func_##name(const char *fileName UNUSED_PARAM, \
77 const struct stat *statbuf UNUSED_PARAM, \
78 action_##name* ap UNUSED_PARAM)
81 ACTS(name, const char *pattern; bool iname;)
82 IF_FEATURE_FIND_PATH( ACTS(path, const char *pattern;))
83 IF_FEATURE_FIND_REGEX( ACTS(regex, regex_t compiled_pattern;))
84 IF_FEATURE_FIND_PRINT0( ACTS(print0))
85 IF_FEATURE_FIND_TYPE( ACTS(type, int type_mask;))
86 IF_FEATURE_FIND_PERM( ACTS(perm, char perm_char; mode_t perm_mask;))
87 IF_FEATURE_FIND_MTIME( ACTS(mtime, char mtime_char; unsigned mtime_days;))
88 IF_FEATURE_FIND_MMIN( ACTS(mmin, char mmin_char; unsigned mmin_mins;))
89 IF_FEATURE_FIND_NEWER( ACTS(newer, time_t newer_mtime;))
90 IF_FEATURE_FIND_INUM( ACTS(inum, ino_t inode_num;))
91 IF_FEATURE_FIND_USER( ACTS(user, uid_t uid;))
92 IF_FEATURE_FIND_SIZE( ACTS(size, char size_char; off_t size;))
93 IF_FEATURE_FIND_CONTEXT(ACTS(context, security_context_t context;))
94 IF_FEATURE_FIND_PAREN( ACTS(paren, action ***subexpr;))
95 IF_FEATURE_FIND_PRUNE( ACTS(prune))
96 IF_FEATURE_FIND_DELETE( ACTS(delete))
97 IF_FEATURE_FIND_EXEC( ACTS(exec, char **exec_argv; unsigned *subst_count; int exec_argc;))
98 IF_FEATURE_FIND_GROUP( ACTS(group, gid_t gid;))
101 IF_FEATURE_FIND_XDEV(dev_t *xdev_dev;)
102 IF_FEATURE_FIND_XDEV(int xdev_count;)
105 recurse_flags_t recurse_flags;
107 #define G (*(struct globals*)&bb_common_bufsiz1)
108 #define INIT_G() do { \
109 struct G_sizecheck { \
110 char G_sizecheck[sizeof(G) > COMMON_BUFSIZE ? -1 : 1]; \
113 G.recurse_flags = ACTION_RECURSE; \
116 #if ENABLE_FEATURE_FIND_EXEC
117 static unsigned count_subst(const char *str)
120 while ((str = strstr(str, "{}")) != NULL) {
128 static char* subst(const char *src, unsigned count, const char* filename)
130 char *buf, *dst, *end;
131 size_t flen = strlen(filename);
132 /* we replace each '{}' with filename: growth by strlen-2 */
133 buf = dst = xmalloc(strlen(src) + count*(flen-2) + 1);
134 while ((end = strstr(src, "{}"))) {
135 memcpy(dst, src, end - src);
138 memcpy(dst, filename, flen);
146 /* Return values of ACTFs ('action functions') are a bit mask:
147 * bit 1=1: prune (use SKIP constant for setting it)
148 * bit 0=1: matched successfully (TRUE)
151 static int exec_actions(action ***appp, const char *fileName, const struct stat *statbuf)
158 /* "action group" is a set of actions ANDed together.
159 * groups are ORed together.
160 * We simply evaluate each group until we find one in which all actions
163 /* -prune is special: if it is encountered, then we won't
164 * descend into current directory. It doesn't matter whether
165 * action group (in which -prune sits) will succeed or not:
166 * find * -prune -name 'f*' -o -name 'm*' -- prunes every dir
167 * find * -name 'f*' -o -prune -name 'm*' -- prunes all dirs
168 * not starting with 'f' */
170 /* We invert TRUE bit (bit 0). Now 1 there means 'failure'.
171 * and bitwise OR in "rc |= TRUE ^ ap->f()" will:
172 * (1) make SKIP (-prune) bit stick; and (2) detect 'failure'.
173 * On return, bit is restored. */
176 while ((app = appp[++cur_group])) {
177 rc &= ~TRUE; /* 'success' so far, clear TRUE bit */
180 ap = app[++cur_action];
181 if (!ap) /* all actions in group were successful */
182 return rc ^ TRUE; /* restore TRUE bit */
183 rc |= TRUE ^ ap->f(fileName, statbuf, ap);
184 #if ENABLE_FEATURE_FIND_NOT
185 if (ap->invert) rc ^= TRUE;
187 if (rc & TRUE) /* current group failed, try next */
191 return rc ^ TRUE; /* restore TRUE bit */
197 const char *tmp = bb_basename(fileName);
198 if (tmp != fileName && !*tmp) { /* "foo/bar/". Oh no... go back to 'b' */
200 while (tmp != fileName && *--tmp != '/')
205 return fnmatch(ap->pattern, tmp, FNM_PERIOD | (ap->iname ? FNM_CASEFOLD : 0)) == 0;
208 #if ENABLE_FEATURE_FIND_PATH
211 return fnmatch(ap->pattern, fileName, 0) == 0;
214 #if ENABLE_FEATURE_FIND_REGEX
218 if (regexec(&ap->compiled_pattern, fileName, 1, &match, 0 /*eflags*/))
219 return 0; /* no match */
221 return 0; /* match doesn't start at pos 0 */
222 if (fileName[match.rm_eo])
223 return 0; /* match doesn't end exactly at end of pathname */
227 #if ENABLE_FEATURE_FIND_TYPE
230 return ((statbuf->st_mode & S_IFMT) == ap->type_mask);
233 #if ENABLE_FEATURE_FIND_PERM
236 /* -perm +mode: at least one of perm_mask bits are set */
237 if (ap->perm_char == '+')
238 return (statbuf->st_mode & ap->perm_mask) != 0;
239 /* -perm -mode: all of perm_mask are set */
240 if (ap->perm_char == '-')
241 return (statbuf->st_mode & ap->perm_mask) == ap->perm_mask;
242 /* -perm mode: file mode must match perm_mask */
243 return (statbuf->st_mode & 07777) == ap->perm_mask;
246 #if ENABLE_FEATURE_FIND_MTIME
249 time_t file_age = time(NULL) - statbuf->st_mtime;
250 time_t mtime_secs = ap->mtime_days * 24*60*60;
251 if (ap->mtime_char == '+')
252 return file_age >= mtime_secs + 24*60*60;
253 if (ap->mtime_char == '-')
254 return file_age < mtime_secs;
255 /* just numeric mtime */
256 return file_age >= mtime_secs && file_age < (mtime_secs + 24*60*60);
259 #if ENABLE_FEATURE_FIND_MMIN
262 time_t file_age = time(NULL) - statbuf->st_mtime;
263 time_t mmin_secs = ap->mmin_mins * 60;
264 if (ap->mmin_char == '+')
265 return file_age >= mmin_secs + 60;
266 if (ap->mmin_char == '-')
267 return file_age < mmin_secs;
268 /* just numeric mmin */
269 return file_age >= mmin_secs && file_age < (mmin_secs + 60);
272 #if ENABLE_FEATURE_FIND_NEWER
275 return (ap->newer_mtime < statbuf->st_mtime);
278 #if ENABLE_FEATURE_FIND_INUM
281 return (statbuf->st_ino == ap->inode_num);
284 #if ENABLE_FEATURE_FIND_EXEC
288 #if ENABLE_USE_PORTABLE_CODE
289 char **argv = alloca(sizeof(char*) * (ap->exec_argc + 1));
290 #else /* gcc 4.3.1 generates smaller code: */
291 char *argv[ap->exec_argc + 1];
293 for (i = 0; i < ap->exec_argc; i++)
294 argv[i] = subst(ap->exec_argv[i], ap->subst_count[i], fileName);
295 argv[i] = NULL; /* terminate the list */
297 rc = spawn_and_wait(argv);
299 bb_simple_perror_msg(argv[0]);
304 return rc == 0; /* return 1 if exitcode 0 */
307 #if ENABLE_FEATURE_FIND_USER
310 return (statbuf->st_uid == ap->uid);
313 #if ENABLE_FEATURE_FIND_GROUP
316 return (statbuf->st_gid == ap->gid);
319 #if ENABLE_FEATURE_FIND_PRINT0
322 printf("%s%c", fileName, '\0');
331 #if ENABLE_FEATURE_FIND_PAREN
334 return exec_actions(ap->subexpr, fileName, statbuf);
337 #if ENABLE_FEATURE_FIND_SIZE
340 if (ap->size_char == '+')
341 return statbuf->st_size > ap->size;
342 if (ap->size_char == '-')
343 return statbuf->st_size < ap->size;
344 return statbuf->st_size == ap->size;
347 #if ENABLE_FEATURE_FIND_PRUNE
349 * -prune: if -depth is not given, return true and do not descend
350 * current dir; if -depth is given, return false with no effect.
352 * find dir -name 'asm-*' -prune -o -name '*.[chS]' -print
359 #if ENABLE_FEATURE_FIND_DELETE
363 if (S_ISDIR(statbuf->st_mode)) {
364 rc = rmdir(fileName);
366 rc = unlink(fileName);
369 bb_simple_perror_msg(fileName);
373 #if ENABLE_FEATURE_FIND_CONTEXT
376 security_context_t con;
379 if (G.recurse_flags & ACTION_FOLLOWLINKS) {
380 rc = getfilecon(fileName, &con);
382 rc = lgetfilecon(fileName, &con);
386 rc = strcmp(ap->context, con);
393 static int FAST_FUNC fileAction(const char *fileName,
394 struct stat *statbuf,
395 void *userData IF_NOT_FEATURE_FIND_MAXDEPTH(UNUSED_PARAM),
396 int depth IF_NOT_FEATURE_FIND_MAXDEPTH(UNUSED_PARAM))
399 #if ENABLE_FEATURE_FIND_MAXDEPTH
400 #define minmaxdepth ((int*)userData)
402 if (depth < minmaxdepth[0]) return TRUE;
403 if (depth > minmaxdepth[1]) return SKIP;
406 #if ENABLE_FEATURE_FIND_XDEV
407 if (S_ISDIR(statbuf->st_mode)) {
409 for (i = 0; i < G.xdev_count; i++) {
410 if (G.xdev_dev[i] == statbuf->st_dev)
418 i = exec_actions(G.actions, fileName, statbuf);
419 /* Had no explicit -print[0] or -exec? then print */
420 if ((i & TRUE) && G.need_print)
423 #if ENABLE_FEATURE_FIND_MAXDEPTH
424 if (S_ISDIR(statbuf->st_mode))
425 if (depth == minmaxdepth[1])
428 /* Cannot return 0: our caller, recursive_action(),
429 * will perror() and skip dirs (if called on dir) */
430 return (i & SKIP) ? SKIP : TRUE;
435 #if ENABLE_FEATURE_FIND_TYPE
436 static int find_type(const char *type)
442 else if (*type == 'c')
444 else if (*type == 'd')
446 else if (*type == 'p')
448 else if (*type == 'f')
450 else if (*type == 'l')
452 else if (*type == 's')
455 if (mask == 0 || type[1] != '\0')
456 bb_error_msg_and_die(bb_msg_invalid_arg, type, "-type");
462 #if ENABLE_FEATURE_FIND_PERM \
463 || ENABLE_FEATURE_FIND_MTIME || ENABLE_FEATURE_FIND_MMIN \
464 || ENABLE_FEATURE_FIND_SIZE
465 static const char* plus_minus_num(const char* str)
467 if (*str == '-' || *str == '+')
473 static action*** parse_params(char **argv)
478 IF_FEATURE_FIND_NOT( PARM_char_not ,)
482 IF_FEATURE_FIND_NOT( PARM_not ,)
485 IF_FEATURE_FIND_PRINT0( PARM_print0 ,)
486 IF_FEATURE_FIND_DEPTH( PARM_depth ,)
487 IF_FEATURE_FIND_PRUNE( PARM_prune ,)
488 IF_FEATURE_FIND_DELETE( PARM_delete ,)
489 IF_FEATURE_FIND_EXEC( PARM_exec ,)
490 IF_FEATURE_FIND_PAREN( PARM_char_brace,)
491 /* All options starting from here require argument */
494 IF_FEATURE_FIND_PATH( PARM_path ,)
495 IF_FEATURE_FIND_REGEX( PARM_regex ,)
496 IF_FEATURE_FIND_TYPE( PARM_type ,)
497 IF_FEATURE_FIND_PERM( PARM_perm ,)
498 IF_FEATURE_FIND_MTIME( PARM_mtime ,)
499 IF_FEATURE_FIND_MMIN( PARM_mmin ,)
500 IF_FEATURE_FIND_NEWER( PARM_newer ,)
501 IF_FEATURE_FIND_INUM( PARM_inum ,)
502 IF_FEATURE_FIND_USER( PARM_user ,)
503 IF_FEATURE_FIND_GROUP( PARM_group ,)
504 IF_FEATURE_FIND_SIZE( PARM_size ,)
505 IF_FEATURE_FIND_CONTEXT(PARM_context ,)
508 static const char params[] ALIGN1 =
511 IF_FEATURE_FIND_NOT( "!\0" )
515 IF_FEATURE_FIND_NOT( "-not\0" )
518 IF_FEATURE_FIND_PRINT0( "-print0\0" )
519 IF_FEATURE_FIND_DEPTH( "-depth\0" )
520 IF_FEATURE_FIND_PRUNE( "-prune\0" )
521 IF_FEATURE_FIND_DELETE( "-delete\0" )
522 IF_FEATURE_FIND_EXEC( "-exec\0" )
523 IF_FEATURE_FIND_PAREN( "(\0" )
524 /* All options starting from here require argument */
527 IF_FEATURE_FIND_PATH( "-path\0" )
528 IF_FEATURE_FIND_REGEX( "-regex\0" )
529 IF_FEATURE_FIND_TYPE( "-type\0" )
530 IF_FEATURE_FIND_PERM( "-perm\0" )
531 IF_FEATURE_FIND_MTIME( "-mtime\0" )
532 IF_FEATURE_FIND_MMIN( "-mmin\0" )
533 IF_FEATURE_FIND_NEWER( "-newer\0" )
534 IF_FEATURE_FIND_INUM( "-inum\0" )
535 IF_FEATURE_FIND_USER( "-user\0" )
536 IF_FEATURE_FIND_GROUP( "-group\0" )
537 IF_FEATURE_FIND_SIZE( "-size\0" )
538 IF_FEATURE_FIND_CONTEXT("-context\0")
542 unsigned cur_group = 0;
543 unsigned cur_action = 0;
544 IF_FEATURE_FIND_NOT( bool invert_flag = 0; )
546 /* This is the only place in busybox where we use nested function.
547 * So far more standard alternatives were bigger. */
548 /* Suppress a warning "func without a prototype" */
549 auto action* alloc_action(int sizeof_struct, action_fp f);
550 action* alloc_action(int sizeof_struct, action_fp f)
553 appp[cur_group] = xrealloc(appp[cur_group], (cur_action+2) * sizeof(*appp));
554 appp[cur_group][cur_action++] = ap = xmalloc(sizeof_struct);
555 appp[cur_group][cur_action] = NULL;
557 IF_FEATURE_FIND_NOT( ap->invert = invert_flag; )
558 IF_FEATURE_FIND_NOT( invert_flag = 0; )
562 #define ALLOC_ACTION(name) (action_##name*)alloc_action(sizeof(action_##name), (action_fp) func_##name)
564 appp = xzalloc(2 * sizeof(appp[0])); /* appp[0],[1] == NULL */
566 /* Actions have side effects and return a true or false value
567 * We implement: -print, -print0, -exec
569 * The rest are tests.
571 * Tests and actions are grouped by operators
572 * ( expr ) Force precedence
573 * ! expr True if expr is false
574 * -not expr Same as ! expr
575 * expr1 [-a[nd]] expr2 And; expr2 is not evaluated if expr1 is false
576 * expr1 -o[r] expr2 Or; expr2 is not evaluated if expr1 is true
577 * expr1 , expr2 List; both expr1 and expr2 are always evaluated
578 * We implement: (), -a, -o
581 const char *arg = argv[0];
582 int parm = index_in_strings(params, arg);
583 const char *arg1 = argv[1];
585 if (parm >= PARM_name) {
586 /* All options starting from -name require argument */
588 bb_error_msg_and_die(bb_msg_requires_arg, arg);
592 /* We can use big switch() here, but on i386
593 * it doesn't give smaller code. Other arches? */
595 /* --- Operators --- */
596 if (parm == PARM_a IF_DESKTOP(|| parm == PARM_and)) {
597 /* no further special handling required */
599 else if (parm == PARM_o IF_DESKTOP(|| parm == PARM_or)) {
600 /* start new OR group */
602 appp = xrealloc(appp, (cur_group+2) * sizeof(*appp));
603 /*appp[cur_group] = NULL; - already NULL */
604 appp[cur_group+1] = NULL;
607 #if ENABLE_FEATURE_FIND_NOT
608 else if (parm == PARM_char_not IF_DESKTOP(|| parm == PARM_not)) {
609 /* also handles "find ! ! -name 'foo*'" */
614 /* --- Tests and actions --- */
615 else if (parm == PARM_print) {
617 /* GNU find ignores '!' here: "find ! -print" */
618 IF_FEATURE_FIND_NOT( invert_flag = 0; )
619 (void) ALLOC_ACTION(print);
621 #if ENABLE_FEATURE_FIND_PRINT0
622 else if (parm == PARM_print0) {
624 IF_FEATURE_FIND_NOT( invert_flag = 0; )
625 (void) ALLOC_ACTION(print0);
628 #if ENABLE_FEATURE_FIND_DEPTH
629 else if (parm == PARM_depth) {
630 G.recurse_flags |= ACTION_DEPTHFIRST;
633 #if ENABLE_FEATURE_FIND_PRUNE
634 else if (parm == PARM_prune) {
635 IF_FEATURE_FIND_NOT( invert_flag = 0; )
636 (void) ALLOC_ACTION(prune);
639 #if ENABLE_FEATURE_FIND_DELETE
640 else if (parm == PARM_delete) {
642 G.recurse_flags |= ACTION_DEPTHFIRST;
643 (void) ALLOC_ACTION(delete);
646 #if ENABLE_FEATURE_FIND_EXEC
647 else if (parm == PARM_exec) {
651 IF_FEATURE_FIND_NOT( invert_flag = 0; )
652 ap = ALLOC_ACTION(exec);
653 ap->exec_argv = ++argv; /* first arg after -exec */
656 if (!*argv) /* did not see ';' until end */
657 bb_error_msg_and_die("-exec CMD must end by ';'");
658 if (LONE_CHAR(argv[0], ';'))
663 if (ap->exec_argc == 0)
664 bb_error_msg_and_die(bb_msg_requires_arg, arg);
665 ap->subst_count = xmalloc(ap->exec_argc * sizeof(int));
668 ap->subst_count[i] = count_subst(ap->exec_argv[i]);
671 #if ENABLE_FEATURE_FIND_PAREN
672 else if (parm == PARM_char_brace) {
680 bb_error_msg_and_die("unpaired '('");
681 if (LONE_CHAR(*endarg, '('))
683 else if (LONE_CHAR(*endarg, ')') && !--nested) {
688 ap = ALLOC_ACTION(paren);
689 ap->subexpr = parse_params(argv + 1);
690 *endarg = (char*) ")"; /* restore NULLed parameter */
694 else if (parm == PARM_name || parm == PARM_iname) {
696 ap = ALLOC_ACTION(name);
698 ap->iname = (parm == PARM_iname);
700 #if ENABLE_FEATURE_FIND_PATH
701 else if (parm == PARM_path) {
703 ap = ALLOC_ACTION(path);
707 #if ENABLE_FEATURE_FIND_REGEX
708 else if (parm == PARM_regex) {
710 ap = ALLOC_ACTION(regex);
711 xregcomp(&ap->compiled_pattern, arg1, 0 /*cflags*/);
714 #if ENABLE_FEATURE_FIND_TYPE
715 else if (parm == PARM_type) {
717 ap = ALLOC_ACTION(type);
718 ap->type_mask = find_type(arg1);
721 #if ENABLE_FEATURE_FIND_PERM
722 /* -perm mode File's permission bits are exactly mode (octal or symbolic).
723 * Symbolic modes use mode 0 as a point of departure.
724 * -perm -mode All of the permission bits mode are set for the file.
725 * -perm +mode Any of the permission bits mode are set for the file.
727 else if (parm == PARM_perm) {
729 ap = ALLOC_ACTION(perm);
730 ap->perm_char = arg1[0];
731 arg1 = plus_minus_num(arg1);
733 if (!bb_parse_mode(arg1, &ap->perm_mask))
734 bb_error_msg_and_die("invalid mode: %s", arg1);
737 #if ENABLE_FEATURE_FIND_MTIME
738 else if (parm == PARM_mtime) {
740 ap = ALLOC_ACTION(mtime);
741 ap->mtime_char = arg1[0];
742 ap->mtime_days = xatoul(plus_minus_num(arg1));
745 #if ENABLE_FEATURE_FIND_MMIN
746 else if (parm == PARM_mmin) {
748 ap = ALLOC_ACTION(mmin);
749 ap->mmin_char = arg1[0];
750 ap->mmin_mins = xatoul(plus_minus_num(arg1));
753 #if ENABLE_FEATURE_FIND_NEWER
754 else if (parm == PARM_newer) {
755 struct stat stat_newer;
757 ap = ALLOC_ACTION(newer);
758 xstat(arg1, &stat_newer);
759 ap->newer_mtime = stat_newer.st_mtime;
762 #if ENABLE_FEATURE_FIND_INUM
763 else if (parm == PARM_inum) {
765 ap = ALLOC_ACTION(inum);
766 ap->inode_num = xatoul(arg1);
769 #if ENABLE_FEATURE_FIND_USER
770 else if (parm == PARM_user) {
772 ap = ALLOC_ACTION(user);
773 ap->uid = bb_strtou(arg1, NULL, 10);
775 ap->uid = xuname2uid(arg1);
778 #if ENABLE_FEATURE_FIND_GROUP
779 else if (parm == PARM_group) {
781 ap = ALLOC_ACTION(group);
782 ap->gid = bb_strtou(arg1, NULL, 10);
784 ap->gid = xgroup2gid(arg1);
787 #if ENABLE_FEATURE_FIND_SIZE
788 else if (parm == PARM_size) {
789 /* -size n[bckw]: file uses n units of space
790 * b (default): units are 512-byte blocks
796 #define XATOU_SFX xatoull_sfx
798 #define XATOU_SFX xatoul_sfx
800 static const struct suffix_mult find_suffixes[] = {
809 ap = ALLOC_ACTION(size);
810 ap->size_char = arg1[0];
811 ap->size = XATOU_SFX(plus_minus_num(arg1), find_suffixes);
814 #if ENABLE_FEATURE_FIND_CONTEXT
815 else if (parm == PARM_context) {
817 ap = ALLOC_ACTION(context);
819 /* SELinux headers erroneously declare non-const parameter */
820 if (selinux_raw_to_trans_context((char*)arg1, &ap->context))
821 bb_simple_perror_msg(arg1);
825 bb_error_msg("unrecognized: %s", arg);
835 int find_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
836 int find_main(int argc, char **argv)
838 static const char options[] ALIGN1 =
840 IF_FEATURE_FIND_XDEV( "-xdev\0" )
841 IF_FEATURE_FIND_MAXDEPTH("-mindepth\0""-maxdepth\0")
845 IF_FEATURE_FIND_XDEV( OPT_XDEV ,)
846 IF_FEATURE_FIND_MAXDEPTH(OPT_MINDEPTH,)
851 int i, firstopt, status = EXIT_SUCCESS;
852 #if ENABLE_FEATURE_FIND_MAXDEPTH
853 int minmaxdepth[2] = { 0, INT_MAX };
855 #define minmaxdepth NULL
860 for (firstopt = 1; firstopt < argc; firstopt++) {
861 if (argv[firstopt][0] == '-')
863 if (ENABLE_FEATURE_FIND_NOT && LONE_CHAR(argv[firstopt], '!'))
865 #if ENABLE_FEATURE_FIND_PAREN
866 if (LONE_CHAR(argv[firstopt], '('))
871 argv[0] = (char*)".";
876 /* All options always return true. They always take effect
877 * rather than being processed only when their place in the
878 * expression is reached.
879 * We implement: -follow, -xdev, -maxdepth
881 /* Process options, and replace then with -a */
882 /* (-a will be ignored by recursive parser later) */
883 argp = &argv[firstopt];
884 while ((arg = argp[0])) {
885 int opt = index_in_strings(options, arg);
886 if (opt == OPT_FOLLOW) {
887 G.recurse_flags |= ACTION_FOLLOWLINKS | ACTION_DANGLING_OK;
888 argp[0] = (char*)"-a";
890 #if ENABLE_FEATURE_FIND_XDEV
891 if (opt == OPT_XDEV) {
894 G.xdev_count = firstopt - 1;
895 G.xdev_dev = xmalloc(G.xdev_count * sizeof(dev_t));
896 for (i = 1; i < firstopt; i++) {
897 /* not xstat(): shouldn't bomb out on
898 * "find not_exist exist -xdev" */
899 if (stat(argv[i], &stbuf))
901 G.xdev_dev[i-1] = stbuf.st_dev;
904 argp[0] = (char*)"-a";
907 #if ENABLE_FEATURE_FIND_MAXDEPTH
908 if (opt == OPT_MINDEPTH || opt == OPT_MINDEPTH + 1) {
911 minmaxdepth[opt - OPT_MINDEPTH] = xatoi_u(argp[1]);
912 argp[0] = (char*)"-a";
913 argp[1] = (char*)"-a";
920 G.actions = parse_params(&argv[firstopt]);
922 for (i = 1; i < firstopt; i++) {
923 if (!recursive_action(argv[i],
924 G.recurse_flags,/* flags */
925 fileAction, /* file action */
926 fileAction, /* dir action */
927 #if ENABLE_FEATURE_FIND_MAXDEPTH
928 minmaxdepth, /* user data */
930 NULL, /* user data */
933 status = EXIT_FAILURE;