2 * Copyright (c) 1990, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Cimarron D. Taylor of the University of California, Berkeley.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 static const char sccsid[] = "@(#)function.c 8.10 (Berkeley) 5/4/95";
41 static const char rcsid[] =
46 #include <sys/param.h>
47 #include <sys/ucred.h>
50 #include <sys/mount.h>
51 #include <sys/timeb.h>
68 time_t get_date __P((char *date, struct timeb *now));
70 #define COMPARE(a, b) { \
71 switch (plan->flags & F_ELG_MASK) { \
89 if ((new = malloc(sizeof(PLAN))) == NULL)
91 new->execute = option->execute;
92 new->flags = option->flags;
99 * Parse a string of the form [+-]# and return the value.
102 find_parsenum(plan, option, vp, endch)
104 char *option, *vp, *endch;
107 char *endchar, *str; /* Pointer to character ending conversion. */
109 /* Determine comparison from leading + or -. */
114 plan->flags |= F_GREATER;
118 plan->flags |= F_LESSTHAN;
121 plan->flags |= F_EQUAL;
126 * Convert the string with strtoq(). Note, if strtoq() returns zero
127 * and endchar points to the beginning of the string we know we have
130 value = strtoq(str, &endchar, 10);
131 if (value == 0 && endchar == str)
132 errx(1, "%s: %s: illegal numeric value", option, vp);
133 if (endchar[0] && (endch == NULL || endchar[0] != *endch))
134 errx(1, "%s: %s: illegal trailing character", option, vp);
142 * Check that another argument still exists, return a pointer to it,
143 * and increment the argument vector pointer.
146 nextarg(option, argvp)
152 if ((arg = **argvp) == 0)
153 errx(1, "%s: requires additional arguments", option->name);
159 * The value of n for the inode times (atime, ctime, and mtime) is a range,
160 * i.e. n matches from (n - 1) to n 24 hour periods. This interacts with
161 * -n, such that "-mtime -1" would be less than 0 days, which isn't what the
162 * user wanted. Correct so that -1 is "less than 1".
164 #define TIME_CORRECT(p) \
165 if (((p)->flags & F_ELG_MASK) == F_LESSTHAN) \
169 * -[acm]min n functions --
171 * True if the difference between the
172 * file access time (-amin)
173 * last change of file status information (-cmin)
174 * file modification time (-mmin)
175 * and the current time is n min periods.
184 if (plan->flags & F_TIME_C) {
185 COMPARE((now - entry->fts_statp->st_ctime +
186 60 - 1) / 60, plan->t_data);
187 } else if (plan->flags & F_TIME_A) {
188 COMPARE((now - entry->fts_statp->st_atime +
189 60 - 1) / 60, plan->t_data);
191 COMPARE((now - entry->fts_statp->st_mtime +
192 60 - 1) / 60, plan->t_data);
197 c_Xmin(option, argvp)
204 nmins = nextarg(option, argvp);
205 ftsoptions &= ~FTS_NOSTAT;
207 new = palloc(option);
208 new->t_data = find_parsenum(new, option->name, nmins, NULL);
214 * -[acm]time n functions --
216 * True if the difference between the
217 * file access time (-atime)
218 * last change of file status information (-ctime)
219 * file modification time (-mtime)
220 * and the current time is n 24 hour periods.
230 if (plan->flags & F_TIME_C) {
231 COMPARE((now - entry->fts_statp->st_ctime +
232 86400 - 1) / 86400, plan->t_data);
233 } else if (plan->flags & F_TIME_A) {
234 COMPARE((now - entry->fts_statp->st_atime +
235 86400 - 1) / 86400, plan->t_data);
237 COMPARE((now - entry->fts_statp->st_mtime +
238 86400 - 1) / 86400, plan->t_data);
243 c_Xtime(option, argvp)
250 ndays = nextarg(option, argvp);
251 ftsoptions &= ~FTS_NOSTAT;
253 new = palloc(option);
254 new->t_data = find_parsenum(new, option->name, ndays, NULL);
260 * -maxdepth/-mindepth n functions --
262 * Does the same as -prune if the level of the current file is
263 * greater/less than the specified maximum/minimum depth.
265 * Note that -maxdepth and -mindepth are handled specially in
266 * find_execute() so their f_* functions are set to f_always_true().
269 c_mXXdepth(option, argvp)
276 dstr = nextarg(option, argvp);
278 /* all other errors handled by find_parsenum() */
279 errx(1, "%s: %s: value must be positive", option->name, dstr);
281 new = palloc(option);
282 if (option->flags & F_MAXDEPTH)
283 maxdepth = find_parsenum(new, option->name, dstr, NULL);
285 mindepth = find_parsenum(new, option->name, dstr, NULL);
290 * -delete functions --
292 * True always. Makes its best shot and continues on regardless.
295 f_delete(plan, entry)
299 /* ignore these from fts */
300 if (strcmp(entry->fts_accpath, ".") == 0 ||
301 strcmp(entry->fts_accpath, "..") == 0)
305 if (isdepth == 0 || /* depth off */
306 (ftsoptions & FTS_NOSTAT) || /* not stat()ing */
307 !(ftsoptions & FTS_PHYSICAL) || /* physical off */
308 (ftsoptions & FTS_LOGICAL)) /* or finally, logical on */
309 errx(1, "-delete: insecure options got turned on");
311 /* Potentially unsafe - do not accept relative paths whatsoever */
312 if (strchr(entry->fts_accpath, '/') != NULL)
313 errx(1, "-delete: %s: relative path potentially not safe",
316 /* Turn off user immutable bits if running as root */
317 if ((entry->fts_statp->st_flags & (UF_APPEND|UF_IMMUTABLE)) &&
318 !(entry->fts_statp->st_flags & (SF_APPEND|SF_IMMUTABLE)) &&
320 chflags(entry->fts_accpath,
321 entry->fts_statp->st_flags &= ~(UF_APPEND|UF_IMMUTABLE));
323 /* rmdir directories, unlink everything else */
324 if (S_ISDIR(entry->fts_statp->st_mode)) {
325 if (rmdir(entry->fts_accpath) < 0 && errno != ENOTEMPTY)
326 warn("-delete: rmdir(%s)", entry->fts_path);
328 if (unlink(entry->fts_accpath) < 0)
329 warn("-delete: unlink(%s)", entry->fts_path);
337 c_delete(option, argvp)
342 ftsoptions &= ~FTS_NOSTAT; /* no optimise */
343 ftsoptions |= FTS_PHYSICAL; /* disable -follow */
344 ftsoptions &= ~FTS_LOGICAL; /* disable -follow */
345 isoutput = 1; /* possible output */
346 isdepth = 1; /* -depth implied */
348 return palloc(option);
353 * -depth functions --
355 * Always true, causes descent of the directory hierarchy to be done
356 * so that all entries in a directory are acted on before the directory
360 f_always_true(plan, entry)
368 c_depth(option, argvp)
374 return palloc(option);
378 * -empty functions --
380 * True if the file or directory is empty
387 if (S_ISREG(entry->fts_statp->st_mode) &&
388 entry->fts_statp->st_size == 0)
390 if (S_ISDIR(entry->fts_statp->st_mode)) {
396 dir = opendir(entry->fts_accpath);
398 err(1, "%s", entry->fts_accpath);
399 for (dp = readdir(dir); dp; dp = readdir(dir))
400 if (dp->d_name[0] != '.' ||
401 (dp->d_name[1] != '\0' &&
402 (dp->d_name[1] != '.' || dp->d_name[2] != '\0'))) {
413 c_empty(option, argvp)
417 ftsoptions &= ~FTS_NOSTAT;
419 return palloc(option);
423 * [-exec | -execdir | -ok] utility [arg ... ] ; functions --
425 * True if the executed utility returns a zero value as exit status.
426 * The end of the primary expression is delimited by a semicolon. If
427 * "{}" occurs anywhere, it gets replaced by the current pathname,
428 * or, in the case of -execdir, the current basename (filename
429 * without leading directory prefix). For -exec and -ok,
430 * the current directory for the execution of utility is the same as
431 * the current directory when the find utility was started, whereas
432 * for -execdir, it is the directory the file resides in.
434 * The primary -ok differs from -exec in that it requests affirmation
435 * of the user before executing the utility.
448 /* XXX - if file/dir ends in '/' this will not work -- can it? */
449 if ((plan->flags & F_EXECDIR) && \
450 (file = strrchr(entry->fts_path, '/')))
453 file = entry->fts_path;
455 for (cnt = 0; plan->e_argv[cnt]; ++cnt)
456 if (plan->e_len[cnt])
457 brace_subst(plan->e_orig[cnt], &plan->e_argv[cnt],
458 file, plan->e_len[cnt]);
460 if ((plan->flags & F_NEEDOK) && !queryuser(plan->e_argv))
463 /* make sure find output is interspersed correctly with subprocesses */
467 switch (pid = fork()) {
472 /* change dir back from where we started */
473 if (!(plan->flags & F_EXECDIR) && fchdir(dotfd)) {
477 execvp(plan->e_argv[0], plan->e_argv);
478 warn("%s", plan->e_argv[0]);
481 pid = waitpid(pid, &status, 0);
482 return (pid != -1 && WIFEXITED(status) && !WEXITSTATUS(status));
486 * c_exec, c_execdir, c_ok --
487 * build three parallel arrays, one with pointers to the strings passed
488 * on the command line, one with (possibly duplicated) pointers to the
489 * argv array, and one with integer values that are lengths of the
490 * strings, but also flags meaning that the string has to be massaged.
493 c_exec(option, argvp)
497 PLAN *new; /* node returned */
499 register char **argv, **ap, *p;
501 /* XXX - was in c_execdir, but seems unnecessary!?
502 ftsoptions &= ~FTS_NOSTAT;
506 /* XXX - this is a change from the previous coding */
507 new = palloc(option);
509 for (ap = argv = *argvp;; ++ap) {
512 "%s: no terminating \";\"", option->name);
517 cnt = ap - *argvp + 1;
518 new->e_argv = (char **)emalloc((u_int)cnt * sizeof(char *));
519 new->e_orig = (char **)emalloc((u_int)cnt * sizeof(char *));
520 new->e_len = (int *)emalloc((u_int)cnt * sizeof(int));
522 for (argv = *argvp, cnt = 0; argv < ap; ++argv, ++cnt) {
523 new->e_orig[cnt] = *argv;
524 for (p = *argv; *p; ++p)
525 if (p[0] == '{' && p[1] == '}') {
526 new->e_argv[cnt] = emalloc((u_int)MAXPATHLEN);
527 new->e_len[cnt] = MAXPATHLEN;
531 new->e_argv[cnt] = *argv;
535 new->e_argv[cnt] = new->e_orig[cnt] = NULL;
548 flags = entry->fts_statp->st_flags &
549 (UF_NODUMP | UF_IMMUTABLE | UF_APPEND | UF_OPAQUE |
550 SF_ARCHIVED | SF_IMMUTABLE | SF_APPEND);
551 if (plan->flags & F_ATLEAST)
552 /* note that plan->fl_flags always is a subset of
554 return (flags & plan->fl_mask) == plan->fl_flags;
555 else if (plan->flags & F_ANY)
556 return flags & plan->fl_mask;
558 return flags == plan->fl_flags;
563 c_flags(option, argvp)
569 u_long flags, notflags;
571 flags_str = nextarg(option, argvp);
572 ftsoptions &= ~FTS_NOSTAT;
574 new = palloc(option);
576 if (*flags_str == '-') {
577 new->flags |= F_ATLEAST;
580 if (strtofflags(&flags_str, &flags, ¬flags) == 1)
581 errx(1, "%s: %s: illegal flags string", option->name, flags_str);
583 new->fl_flags = flags;
584 new->fl_mask = flags | notflags;
589 * -follow functions --
591 * Always true, causes symbolic links to be followed on a global
595 c_follow(option, argvp)
599 ftsoptions &= ~FTS_PHYSICAL;
600 ftsoptions |= FTS_LOGICAL;
602 return palloc(option);
606 * -fstype functions --
608 * True if the file is of a certain type.
611 f_fstype(plan, entry)
615 static dev_t curdev; /* need a guaranteed illegal dev value */
616 static int first = 1;
618 static int val_type, val_flags;
621 if ((plan->flags & F_MTMASK) == F_MTUNKNOWN)
624 /* Only check when we cross mount point. */
625 if (first || curdev != entry->fts_statp->st_dev) {
626 curdev = entry->fts_statp->st_dev;
629 * Statfs follows symlinks; find wants the link's file system,
630 * not where it points.
632 if (entry->fts_info == FTS_SL ||
633 entry->fts_info == FTS_SLNONE) {
634 if ((p = strrchr(entry->fts_accpath, '/')) != NULL)
637 p = entry->fts_accpath;
645 if (statfs(entry->fts_accpath, &sb))
646 err(1, "%s", entry->fts_accpath);
656 * Further tests may need both of these values, so
657 * always copy both of them.
659 val_flags = sb.f_flags;
660 val_type = sb.f_type;
662 switch (plan->flags & F_MTMASK) {
664 return val_flags & plan->mt_data;
666 return val_type == plan->mt_data;
672 #if !defined(__NetBSD__)
674 c_fstype(option, argvp)
682 fsname = nextarg(option, argvp);
683 ftsoptions &= ~FTS_NOSTAT;
685 new = palloc(option);
688 * Check first for a filesystem name.
690 if (getvfsbyname(fsname, &vfc) == 0) {
691 new->flags |= F_MTTYPE;
692 new->mt_data = vfc.vfc_typenum;
698 if (!strcmp(fsname, "local")) {
699 new->flags |= F_MTFLAG;
700 new->mt_data = MNT_LOCAL;
705 if (!strcmp(fsname, "rdonly")) {
706 new->flags |= F_MTFLAG;
707 new->mt_data = MNT_RDONLY;
714 * We need to make filesystem checks for filesystems
715 * that exists but aren't in the kernel work.
717 fprintf(stderr, "Warning: Unknown filesystem type %s\n", fsname);
718 new->flags |= F_MTUNKNOWN;
721 #endif /* __NetBSD__ */
724 * -group gname functions --
726 * True if the file belongs to the group gname. If gname is numeric and
727 * an equivalent of the getgrnam() function does not return a valid group
728 * name, gname is taken as a group ID.
735 return entry->fts_statp->st_gid == plan->g_data;
739 c_group(option, argvp)
748 gname = nextarg(option, argvp);
749 ftsoptions &= ~FTS_NOSTAT;
754 if (gid == 0 && gname[0] != '0')
755 errx(1, "%s: %s: no such group", option->name, gname);
759 new = palloc(option);
765 * -inum n functions --
767 * True if the file has inode # n.
774 COMPARE(entry->fts_statp->st_ino, plan->i_data);
778 c_inum(option, argvp)
785 inum_str = nextarg(option, argvp);
786 ftsoptions &= ~FTS_NOSTAT;
788 new = palloc(option);
789 new->i_data = find_parsenum(new, option->name, inum_str, NULL);
794 * -links n functions --
796 * True if the file has n links.
803 COMPARE(entry->fts_statp->st_nlink, plan->l_data);
807 c_links(option, argvp)
814 nlinks = nextarg(option, argvp);
815 ftsoptions &= ~FTS_NOSTAT;
817 new = palloc(option);
818 new->l_data = (nlink_t)find_parsenum(new, option->name, nlinks, NULL);
825 * Always true - prints the current entry to stdout in "ls" format.
832 printlong(entry->fts_path, entry->fts_accpath, entry->fts_statp);
841 ftsoptions &= ~FTS_NOSTAT;
844 return palloc(option);
850 * True if the basename of the filename being examined
851 * matches pattern using Pattern Matching Notation S3.14
858 return !fnmatch(plan->c_data, entry->fts_name,
859 plan->flags & F_IGNCASE ? FNM_CASEFOLD : 0);
863 c_name(option, argvp)
870 pattern = nextarg(option, argvp);
871 new = palloc(option);
872 new->c_data = pattern;
877 * -newer file functions --
879 * True if the current file has been modified more recently
880 * then the modification time of the file named by the pathname
888 if (plan->flags & F_TIME_C)
889 return entry->fts_statp->st_ctime > plan->t_data;
890 else if (plan->flags & F_TIME_A)
891 return entry->fts_statp->st_atime > plan->t_data;
893 return entry->fts_statp->st_mtime > plan->t_data;
897 c_newer(option, argvp)
905 fn_or_tspec = nextarg(option, argvp);
906 ftsoptions &= ~FTS_NOSTAT;
908 new = palloc(option);
909 /* compare against what */
910 if (option->flags & F_TIME2_T) {
911 new->t_data = get_date(fn_or_tspec, (struct timeb *) 0);
912 if (new->t_data == (time_t) -1)
913 errx(1, "Can't parse date/time: %s", fn_or_tspec);
915 if (stat(fn_or_tspec, &sb))
916 err(1, "%s", fn_or_tspec);
917 if (option->flags & F_TIME2_C)
918 new->t_data = sb.st_ctime;
919 else if (option->flags & F_TIME2_A)
920 new->t_data = sb.st_atime;
922 new->t_data = sb.st_mtime;
928 * -nogroup functions --
930 * True if file belongs to a user ID for which the equivalent
931 * of the getgrnam() 9.2.1 [POSIX.1] function returns NULL.
934 f_nogroup(plan, entry)
938 return group_from_gid(entry->fts_statp->st_gid, 1) == NULL;
942 c_nogroup(option, argvp)
946 ftsoptions &= ~FTS_NOSTAT;
948 return palloc(option);
952 * -nouser functions --
954 * True if file belongs to a user ID for which the equivalent
955 * of the getpwuid() 9.2.2 [POSIX.1] function returns NULL.
958 f_nouser(plan, entry)
962 return user_from_uid(entry->fts_statp->st_uid, 1) == NULL;
966 c_nouser(option, argvp)
970 ftsoptions &= ~FTS_NOSTAT;
972 return palloc(option);
978 * True if the path of the filename being examined
979 * matches pattern using Pattern Matching Notation S3.14
986 return !fnmatch(plan->c_data, entry->fts_path,
987 plan->flags & F_IGNCASE ? FNM_CASEFOLD : 0);
990 /* c_path is the same as c_name */
995 * The mode argument is used to represent file mode bits. If it starts
996 * with a leading digit, it's treated as an octal mode, otherwise as a
1006 mode = entry->fts_statp->st_mode &
1007 (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO);
1008 if (plan->flags & F_ATLEAST)
1009 return (plan->m_data | mode) == mode;
1011 return mode == plan->m_data;
1016 c_perm(option, argvp)
1024 perm = nextarg(option, argvp);
1025 ftsoptions &= ~FTS_NOSTAT;
1027 new = palloc(option);
1030 new->flags |= F_ATLEAST;
1032 } else if (*perm == '+') {
1033 new->flags |= F_ANY;
1037 if ((set = setmode(perm)) == NULL)
1038 errx(1, "%s: %s: illegal mode string", option->name, perm);
1040 new->m_data = getmode(set, 0);
1046 * -print functions --
1048 * Always true, causes the current pathame to be written to
1052 f_print(plan, entry)
1056 (void)puts(entry->fts_path);
1061 c_print(option, argvp)
1067 return palloc(option);
1071 * -print0 functions --
1073 * Always true, causes the current pathame to be written to
1074 * standard output followed by a NUL character
1077 f_print0(plan, entry)
1081 fputs(entry->fts_path, stdout);
1082 fputc('\0', stdout);
1086 /* c_print0 is the same as c_print */
1089 * -prune functions --
1091 * Prune a portion of the hierarchy.
1094 f_prune(plan, entry)
1100 if (fts_set(tree, entry, FTS_SKIP))
1101 err(1, "%s", entry->fts_path);
1105 /* c_prune == c_simple */
1108 * -regex functions --
1110 * True if the whole path of the file matches pattern using
1111 * regular expression.
1114 f_regex(plan, entry)
1123 char errbuf[LINE_MAX];
1126 pre = plan->re_data;
1127 str = entry->fts_path;
1134 errcode = regexec(pre, str, 1, &pmatch, REG_STARTEND);
1136 if (errcode != 0 && errcode != REG_NOMATCH) {
1137 regerror(errcode, pre, errbuf, sizeof errbuf);
1139 plan->flags & F_IGNCASE ? "-iregex" : "-regex", errbuf);
1142 if (errcode == 0 && pmatch.rm_so == 0 && pmatch.rm_eo == len)
1149 c_regex(option, argvp)
1157 char errbuf[LINE_MAX];
1159 if ((pre = malloc(sizeof(regex_t))) == NULL)
1162 pattern = nextarg(option, argvp);
1164 if ((errcode = regcomp(pre, pattern,
1165 regexp_flags | (option->flags & F_IGNCASE ? REG_ICASE : 0))) != 0) {
1166 regerror(errcode, pre, errbuf, sizeof errbuf);
1167 errx(1, "%s: %s: %s",
1168 option->flags & F_IGNCASE ? "-iregex" : "-regex",
1172 new = palloc(option);
1178 /* c_simple covers c_prune, c_openparen, c_closeparen, c_not, c_or */
1181 c_simple(option, argvp)
1185 return palloc(option);
1189 * -size n[c] functions --
1191 * True if the file size in bytes, divided by an implementation defined
1192 * value and rounded up to the next integer, is n. If n is followed by
1193 * a c, the size is in bytes.
1195 #define FIND_SIZE 512
1196 static int divsize = 1;
1205 size = divsize ? (entry->fts_statp->st_size + FIND_SIZE - 1) /
1206 FIND_SIZE : entry->fts_statp->st_size;
1207 COMPARE(size, plan->o_data);
1211 c_size(option, argvp)
1219 size_str = nextarg(option, argvp);
1220 ftsoptions &= ~FTS_NOSTAT;
1222 new = palloc(option);
1224 new->o_data = find_parsenum(new, option->name, size_str, &endch);
1231 * -type c functions --
1233 * True if the type of the file is c, where c is b, c, d, p, f or w
1234 * for block special file, character special file, directory, FIFO,
1235 * regular file or whiteout respectively.
1242 return (entry->fts_statp->st_mode & S_IFMT) == plan->m_data;
1246 c_type(option, argvp)
1254 typestring = nextarg(option, argvp);
1255 ftsoptions &= ~FTS_NOSTAT;
1257 switch (typestring[0]) {
1282 ftsoptions |= FTS_WHITEOUT;
1284 #endif /* FTS_WHITEOUT */
1286 errx(1, "%s: %s: unknown type", option->name, typestring);
1289 new = palloc(option);
1295 * -user uname functions --
1297 * True if the file belongs to the user uname. If uname is numeric and
1298 * an equivalent of the getpwnam() S9.2.2 [POSIX.1] function does not
1299 * return a valid user name, uname is taken as a user ID.
1306 return entry->fts_statp->st_uid == plan->u_data;
1310 c_user(option, argvp)
1319 username = nextarg(option, argvp);
1320 ftsoptions &= ~FTS_NOSTAT;
1322 p = getpwnam(username);
1324 uid = atoi(username);
1325 if (uid == 0 && username[0] != '0')
1326 errx(1, "%s: %s: no such user", option->name, username);
1330 new = palloc(option);
1336 * -xdev functions --
1338 * Always true, causes find not to decend past directories that have a
1339 * different device ID (st_dev, see stat() S5.6.2 [POSIX.1])
1342 c_xdev(option, argvp)
1346 ftsoptions |= FTS_XDEV;
1348 return palloc(option);
1352 * ( expression ) functions --
1354 * True if expression is true.
1362 register int state = 0;
1364 for (p = plan->p_data[0];
1365 p && (state = (p->execute)(p, entry)); p = p->next);
1370 * f_openparen and f_closeparen nodes are temporary place markers. They are
1371 * eliminated during phase 2 of find_formplan() --- the '(' node is converted
1372 * to a f_expr node containing the expression and the ')' node is discarded.
1373 * The functions themselves are only used as constants.
1377 f_openparen(plan, entry)
1385 f_closeparen(plan, entry)
1392 /* c_openparen == c_simple */
1393 /* c_closeparen == c_simple */
1396 * AND operator. Since AND is implicit, no node is allocated.
1399 c_and(option, argvp)
1407 * ! expression functions --
1409 * Negation of a primary; the unary NOT operator.
1417 register int state = 0;
1419 for (p = plan->p_data[0];
1420 p && (state = (p->execute)(p, entry)); p = p->next);
1424 /* c_not == c_simple */
1427 * expression -o expression functions --
1429 * Alternation of primaries; the OR operator. The second expression is
1430 * not evaluated if the first expression is true.
1438 register int state = 0;
1440 for (p = plan->p_data[0];
1441 p && (state = (p->execute)(p, entry)); p = p->next);
1446 for (p = plan->p_data[1];
1447 p && (state = (p->execute)(p, entry)); p = p->next);
1451 /* c_or == c_simple */