[821] | 1 | /* vi: set sw=4 ts=4: */
|
---|
| 2 | /*
|
---|
| 3 | * Mini find implementation for busybox
|
---|
| 4 | *
|
---|
| 5 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
|
---|
| 6 | *
|
---|
| 7 | * Reworked by David Douthitt <n9ubh@callsign.net> and
|
---|
| 8 | * Matt Kraai <kraai@alumni.carnegiemellon.edu>.
|
---|
| 9 | *
|
---|
[1770] | 10 | * Licensed under the GPL version 2, see the file LICENSE in this tarball.
|
---|
[821] | 11 | */
|
---|
| 12 |
|
---|
[1770] | 13 | /* findutils-4.1.20:
|
---|
| 14 | *
|
---|
| 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' '{} {}' ';'
|
---|
| 24 | * file.txt file.txt
|
---|
| 25 | * (strace: execve("/bin/echo", ["echo", "file.txt file.txt"], [ 30 vars ]))
|
---|
| 26 | * # find file.txt -exec 'echo' '{} {}' ';' -print -exec pwd ';'
|
---|
| 27 | * file.txt file.txt
|
---|
| 28 | * file.txt
|
---|
| 29 | * /tmp
|
---|
| 30 | * # find -name '*.c' -o -name '*.h'
|
---|
| 31 | * [shows files, *.c and *.h intermixed]
|
---|
| 32 | * # find file.txt -name '*f*' -o -name '*t*'
|
---|
| 33 | * file.txt
|
---|
| 34 | * # find file.txt -name '*z*' -o -name '*t*'
|
---|
| 35 | * file.txt
|
---|
| 36 | * # find file.txt -name '*f*' -o -name '*z*'
|
---|
| 37 | * file.txt
|
---|
| 38 | *
|
---|
| 39 | * # find t z -name '*t*' -print -o -name '*z*'
|
---|
| 40 | * t
|
---|
| 41 | * # find t z t z -name '*t*' -o -name '*z*' -print
|
---|
| 42 | * z
|
---|
| 43 | * z
|
---|
| 44 | * # find t z t z '(' -name '*t*' -o -name '*z*' ')' -o -print
|
---|
| 45 | * (no output)
|
---|
| 46 | */
|
---|
[821] | 47 |
|
---|
[1770] | 48 | /* Testing script
|
---|
| 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
|
---|
| 54 | */
|
---|
[821] | 55 |
|
---|
[1770] | 56 | #include <fnmatch.h>
|
---|
| 57 | #include "libbb.h"
|
---|
| 58 | #if ENABLE_FEATURE_FIND_REGEX
|
---|
| 59 | #include "xregex.h"
|
---|
[821] | 60 | #endif
|
---|
| 61 |
|
---|
[1770] | 62 | /* This is a NOEXEC applet. Be very careful! */
|
---|
[821] | 63 |
|
---|
| 64 |
|
---|
[1770] | 65 | USE_FEATURE_FIND_XDEV(static dev_t *xdev_dev;)
|
---|
| 66 | USE_FEATURE_FIND_XDEV(static int xdev_count;)
|
---|
[821] | 67 |
|
---|
[1770] | 68 | typedef int (*action_fp)(const char *fileName, struct stat *statbuf, void *);
|
---|
[821] | 69 |
|
---|
[1770] | 70 | typedef struct {
|
---|
| 71 | action_fp f;
|
---|
| 72 | #if ENABLE_FEATURE_FIND_NOT
|
---|
| 73 | bool invert;
|
---|
[821] | 74 | #endif
|
---|
[1770] | 75 | } action;
|
---|
| 76 | #define ACTS(name, arg...) typedef struct { action a; arg; } action_##name;
|
---|
| 77 | #define ACTF(name) static int func_##name(const char *fileName, struct stat *statbuf, action_##name* ap)
|
---|
| 78 | ACTS(print)
|
---|
| 79 | ACTS(name, const char *pattern;)
|
---|
| 80 | USE_FEATURE_FIND_PATH( ACTS(path, const char *pattern;))
|
---|
| 81 | USE_FEATURE_FIND_REGEX( ACTS(regex, regex_t compiled_pattern;))
|
---|
| 82 | USE_FEATURE_FIND_PRINT0( ACTS(print0))
|
---|
| 83 | USE_FEATURE_FIND_TYPE( ACTS(type, int type_mask;))
|
---|
| 84 | USE_FEATURE_FIND_PERM( ACTS(perm, char perm_char; mode_t perm_mask;))
|
---|
| 85 | USE_FEATURE_FIND_MTIME( ACTS(mtime, char mtime_char; unsigned mtime_days;))
|
---|
| 86 | USE_FEATURE_FIND_MMIN( ACTS(mmin, char mmin_char; unsigned mmin_mins;))
|
---|
| 87 | USE_FEATURE_FIND_NEWER( ACTS(newer, time_t newer_mtime;))
|
---|
| 88 | USE_FEATURE_FIND_INUM( ACTS(inum, ino_t inode_num;))
|
---|
| 89 | USE_FEATURE_FIND_USER( ACTS(user, uid_t uid;))
|
---|
| 90 | USE_FEATURE_FIND_SIZE( ACTS(size, char size_char; off_t size;))
|
---|
| 91 | USE_FEATURE_FIND_CONTEXT(ACTS(context, security_context_t context;))
|
---|
| 92 | USE_FEATURE_FIND_PAREN( ACTS(paren, action ***subexpr;))
|
---|
| 93 | USE_FEATURE_FIND_PRUNE( ACTS(prune))
|
---|
| 94 | USE_FEATURE_FIND_DELETE( ACTS(delete))
|
---|
| 95 | USE_FEATURE_FIND_EXEC( ACTS(exec, char **exec_argv; unsigned *subst_count; int exec_argc;))
|
---|
| 96 | USE_FEATURE_FIND_GROUP( ACTS(group, gid_t gid;))
|
---|
[821] | 97 |
|
---|
[1770] | 98 | static action ***actions;
|
---|
| 99 | static bool need_print = 1;
|
---|
| 100 | static int recurse_flags = ACTION_RECURSE;
|
---|
[821] | 101 |
|
---|
[1770] | 102 | #if ENABLE_FEATURE_FIND_EXEC
|
---|
| 103 | static unsigned count_subst(const char *str)
|
---|
| 104 | {
|
---|
| 105 | unsigned count = 0;
|
---|
| 106 | while ((str = strstr(str, "{}")) != NULL) {
|
---|
| 107 | count++;
|
---|
| 108 | str++;
|
---|
| 109 | }
|
---|
| 110 | return count;
|
---|
| 111 | }
|
---|
| 112 |
|
---|
| 113 |
|
---|
| 114 | static char* subst(const char *src, unsigned count, const char* filename)
|
---|
| 115 | {
|
---|
| 116 | char *buf, *dst, *end;
|
---|
| 117 | size_t flen = strlen(filename);
|
---|
| 118 | /* we replace each '{}' with filename: growth by strlen-2 */
|
---|
| 119 | buf = dst = xmalloc(strlen(src) + count*(flen-2) + 1);
|
---|
| 120 | while ((end = strstr(src, "{}"))) {
|
---|
| 121 | memcpy(dst, src, end - src);
|
---|
| 122 | dst += end - src;
|
---|
| 123 | src = end + 2;
|
---|
| 124 | memcpy(dst, filename, flen);
|
---|
| 125 | dst += flen;
|
---|
| 126 | }
|
---|
| 127 | strcpy(dst, src);
|
---|
| 128 | return buf;
|
---|
| 129 | }
|
---|
[821] | 130 | #endif
|
---|
| 131 |
|
---|
[1770] | 132 | /* Return values of ACTFs ('action functions') are a bit mask:
|
---|
| 133 | * bit 1=1: prune (use SKIP constant for setting it)
|
---|
| 134 | * bit 0=1: matched successfully (TRUE)
|
---|
| 135 | */
|
---|
| 136 |
|
---|
| 137 | static int exec_actions(action ***appp, const char *fileName, struct stat *statbuf)
|
---|
[821] | 138 | {
|
---|
[1770] | 139 | int cur_group;
|
---|
| 140 | int cur_action;
|
---|
| 141 | int rc = 0;
|
---|
| 142 | action **app, *ap;
|
---|
| 143 |
|
---|
| 144 | /* "action group" is a set of actions ANDed together.
|
---|
| 145 | * groups are ORed together.
|
---|
| 146 | * We simply evaluate each group until we find one in which all actions
|
---|
| 147 | * succeed. */
|
---|
| 148 |
|
---|
| 149 | /* -prune is special: if it is encountered, then we won't
|
---|
| 150 | * descend into current directory. It doesn't matter whether
|
---|
| 151 | * action group (in which -prune sits) will succeed or not:
|
---|
| 152 | * find * -prune -name 'f*' -o -name 'm*' -- prunes every dir
|
---|
| 153 | * find * -name 'f*' -o -prune -name 'm*' -- prunes all dirs
|
---|
| 154 | * not starting with 'f' */
|
---|
| 155 |
|
---|
| 156 | /* We invert TRUE bit (bit 0). Now 1 there means 'failure'.
|
---|
| 157 | * and bitwise OR in "rc |= TRUE ^ ap->f()" will:
|
---|
| 158 | * (1) make SKIP (-prune) bit stick; and (2) detect 'failure'.
|
---|
| 159 | * On return, bit is restored. */
|
---|
| 160 |
|
---|
| 161 | cur_group = -1;
|
---|
| 162 | while ((app = appp[++cur_group])) {
|
---|
| 163 | rc &= ~TRUE; /* 'success' so far, clear TRUE bit */
|
---|
| 164 | cur_action = -1;
|
---|
| 165 | while (1) {
|
---|
| 166 | ap = app[++cur_action];
|
---|
| 167 | if (!ap) /* all actions in group were successful */
|
---|
| 168 | return rc ^ TRUE; /* restore TRUE bit */
|
---|
| 169 | rc |= TRUE ^ ap->f(fileName, statbuf, ap);
|
---|
| 170 | #if ENABLE_FEATURE_FIND_NOT
|
---|
| 171 | if (ap->invert) rc ^= TRUE;
|
---|
| 172 | #endif
|
---|
| 173 | if (rc & TRUE) /* current group failed, try next */
|
---|
| 174 | break;
|
---|
[821] | 175 | }
|
---|
| 176 | }
|
---|
[1770] | 177 | return rc ^ TRUE; /* restore TRUE bit */
|
---|
| 178 | }
|
---|
[821] | 179 |
|
---|
[1770] | 180 |
|
---|
| 181 | ACTF(name)
|
---|
| 182 | {
|
---|
| 183 | const char *tmp = bb_basename(fileName);
|
---|
| 184 | if (tmp != fileName && !*tmp) { /* "foo/bar/". Oh no... go back to 'b' */
|
---|
| 185 | tmp--;
|
---|
| 186 | while (tmp != fileName && *--tmp != '/')
|
---|
| 187 | continue;
|
---|
| 188 | if (*tmp == '/')
|
---|
[821] | 189 | tmp++;
|
---|
| 190 | }
|
---|
[1770] | 191 | return fnmatch(ap->pattern, tmp, FNM_PERIOD) == 0;
|
---|
| 192 | }
|
---|
| 193 | #if ENABLE_FEATURE_FIND_PATH
|
---|
| 194 | ACTF(path)
|
---|
| 195 | {
|
---|
| 196 | return fnmatch(ap->pattern, fileName, 0) == 0;
|
---|
| 197 | }
|
---|
[821] | 198 | #endif
|
---|
[1770] | 199 | #if ENABLE_FEATURE_FIND_REGEX
|
---|
| 200 | ACTF(regex)
|
---|
| 201 | {
|
---|
| 202 | regmatch_t match;
|
---|
| 203 | if (regexec(&ap->compiled_pattern, fileName, 1, &match, 0 /*eflags*/))
|
---|
| 204 | return 0; /* no match */
|
---|
| 205 | if (match.rm_so)
|
---|
| 206 | return 0; /* match doesn't start at pos 0 */
|
---|
| 207 | if (fileName[match.rm_eo])
|
---|
| 208 | return 0; /* match doesn't end exactly at end of pathname */
|
---|
| 209 | return 1;
|
---|
| 210 | }
|
---|
[821] | 211 | #endif
|
---|
[1770] | 212 | #if ENABLE_FEATURE_FIND_TYPE
|
---|
| 213 | ACTF(type)
|
---|
| 214 | {
|
---|
| 215 | return ((statbuf->st_mode & S_IFMT) == ap->type_mask);
|
---|
| 216 | }
|
---|
[821] | 217 | #endif
|
---|
[1770] | 218 | #if ENABLE_FEATURE_FIND_PERM
|
---|
| 219 | ACTF(perm)
|
---|
| 220 | {
|
---|
| 221 | /* -perm +mode: at least one of perm_mask bits are set */
|
---|
| 222 | if (ap->perm_char == '+')
|
---|
| 223 | return (statbuf->st_mode & ap->perm_mask) != 0;
|
---|
| 224 | /* -perm -mode: all of perm_mask are set */
|
---|
| 225 | if (ap->perm_char == '-')
|
---|
| 226 | return (statbuf->st_mode & ap->perm_mask) == ap->perm_mask;
|
---|
| 227 | /* -perm mode: file mode must match perm_mask */
|
---|
| 228 | return (statbuf->st_mode & 07777) == ap->perm_mask;
|
---|
| 229 | }
|
---|
[821] | 230 | #endif
|
---|
[1770] | 231 | #if ENABLE_FEATURE_FIND_MTIME
|
---|
| 232 | ACTF(mtime)
|
---|
| 233 | {
|
---|
| 234 | time_t file_age = time(NULL) - statbuf->st_mtime;
|
---|
| 235 | time_t mtime_secs = ap->mtime_days * 24*60*60;
|
---|
| 236 | if (ap->mtime_char == '+')
|
---|
| 237 | return file_age >= mtime_secs + 24*60*60;
|
---|
| 238 | if (ap->mtime_char == '-')
|
---|
| 239 | return file_age < mtime_secs;
|
---|
| 240 | /* just numeric mtime */
|
---|
| 241 | return file_age >= mtime_secs && file_age < (mtime_secs + 24*60*60);
|
---|
| 242 | }
|
---|
[821] | 243 | #endif
|
---|
[1770] | 244 | #if ENABLE_FEATURE_FIND_MMIN
|
---|
| 245 | ACTF(mmin)
|
---|
| 246 | {
|
---|
| 247 | time_t file_age = time(NULL) - statbuf->st_mtime;
|
---|
| 248 | time_t mmin_secs = ap->mmin_mins * 60;
|
---|
| 249 | if (ap->mmin_char == '+')
|
---|
| 250 | return file_age >= mmin_secs + 60;
|
---|
| 251 | if (ap->mmin_char == '-')
|
---|
| 252 | return file_age < mmin_secs;
|
---|
| 253 | /* just numeric mmin */
|
---|
| 254 | return file_age >= mmin_secs && file_age < (mmin_secs + 60);
|
---|
| 255 | }
|
---|
| 256 | #endif
|
---|
| 257 | #if ENABLE_FEATURE_FIND_NEWER
|
---|
| 258 | ACTF(newer)
|
---|
| 259 | {
|
---|
| 260 | return (ap->newer_mtime < statbuf->st_mtime);
|
---|
| 261 | }
|
---|
| 262 | #endif
|
---|
| 263 | #if ENABLE_FEATURE_FIND_INUM
|
---|
| 264 | ACTF(inum)
|
---|
| 265 | {
|
---|
| 266 | return (statbuf->st_ino == ap->inode_num);
|
---|
| 267 | }
|
---|
| 268 | #endif
|
---|
| 269 | #if ENABLE_FEATURE_FIND_EXEC
|
---|
| 270 | ACTF(exec)
|
---|
| 271 | {
|
---|
| 272 | int i, rc;
|
---|
| 273 | char *argv[ap->exec_argc + 1];
|
---|
| 274 | for (i = 0; i < ap->exec_argc; i++)
|
---|
| 275 | argv[i] = subst(ap->exec_argv[i], ap->subst_count[i], fileName);
|
---|
| 276 | argv[i] = NULL; /* terminate the list */
|
---|
| 277 |
|
---|
| 278 | rc = spawn_and_wait(argv);
|
---|
| 279 | if (rc < 0)
|
---|
| 280 | bb_perror_msg("%s", argv[0]);
|
---|
| 281 |
|
---|
| 282 | i = 0;
|
---|
| 283 | while (argv[i])
|
---|
| 284 | free(argv[i++]);
|
---|
| 285 | return rc == 0; /* return 1 if exitcode 0 */
|
---|
| 286 | }
|
---|
| 287 | #endif
|
---|
| 288 | #if ENABLE_FEATURE_FIND_USER
|
---|
| 289 | ACTF(user)
|
---|
| 290 | {
|
---|
| 291 | return (statbuf->st_uid == ap->uid);
|
---|
| 292 | }
|
---|
| 293 | #endif
|
---|
| 294 | #if ENABLE_FEATURE_FIND_GROUP
|
---|
| 295 | ACTF(group)
|
---|
| 296 | {
|
---|
| 297 | return (statbuf->st_gid == ap->gid);
|
---|
| 298 | }
|
---|
| 299 | #endif
|
---|
| 300 | #if ENABLE_FEATURE_FIND_PRINT0
|
---|
| 301 | ACTF(print0)
|
---|
| 302 | {
|
---|
| 303 | printf("%s%c", fileName, '\0');
|
---|
| 304 | return TRUE;
|
---|
| 305 | }
|
---|
| 306 | #endif
|
---|
| 307 | ACTF(print)
|
---|
| 308 | {
|
---|
| 309 | puts(fileName);
|
---|
| 310 | return TRUE;
|
---|
| 311 | }
|
---|
| 312 | #if ENABLE_FEATURE_FIND_PAREN
|
---|
| 313 | ACTF(paren)
|
---|
| 314 | {
|
---|
| 315 | return exec_actions(ap->subexpr, fileName, statbuf);
|
---|
| 316 | }
|
---|
| 317 | #endif
|
---|
| 318 | #if ENABLE_FEATURE_FIND_SIZE
|
---|
| 319 | ACTF(size)
|
---|
| 320 | {
|
---|
| 321 | if (ap->size_char == '+')
|
---|
| 322 | return statbuf->st_size > ap->size;
|
---|
| 323 | if (ap->size_char == '-')
|
---|
| 324 | return statbuf->st_size < ap->size;
|
---|
| 325 | return statbuf->st_size == ap->size;
|
---|
| 326 | }
|
---|
| 327 | #endif
|
---|
| 328 | #if ENABLE_FEATURE_FIND_PRUNE
|
---|
| 329 | /*
|
---|
| 330 | * -prune: if -depth is not given, return true and do not descend
|
---|
| 331 | * current dir; if -depth is given, return false with no effect.
|
---|
| 332 | * Example:
|
---|
| 333 | * find dir -name 'asm-*' -prune -o -name '*.[chS]' -print
|
---|
| 334 | */
|
---|
| 335 | ACTF(prune)
|
---|
| 336 | {
|
---|
| 337 | return SKIP + TRUE;
|
---|
| 338 | }
|
---|
| 339 | #endif
|
---|
| 340 | #if ENABLE_FEATURE_FIND_DELETE
|
---|
| 341 | ACTF(delete)
|
---|
| 342 | {
|
---|
| 343 | int rc;
|
---|
| 344 | if (S_ISDIR(statbuf->st_mode)) {
|
---|
| 345 | rc = rmdir(fileName);
|
---|
| 346 | } else {
|
---|
| 347 | rc = unlink(fileName);
|
---|
[821] | 348 | }
|
---|
[1770] | 349 | if (rc < 0)
|
---|
| 350 | bb_perror_msg("%s", fileName);
|
---|
| 351 | return TRUE;
|
---|
| 352 | }
|
---|
[821] | 353 | #endif
|
---|
[1770] | 354 | #if ENABLE_FEATURE_FIND_CONTEXT
|
---|
| 355 | ACTF(context)
|
---|
| 356 | {
|
---|
| 357 | security_context_t con;
|
---|
| 358 | int rc;
|
---|
| 359 |
|
---|
| 360 | if (recurse_flags & ACTION_FOLLOWLINKS) {
|
---|
| 361 | rc = getfilecon(fileName, &con);
|
---|
| 362 | } else {
|
---|
| 363 | rc = lgetfilecon(fileName, &con);
|
---|
[821] | 364 | }
|
---|
[1770] | 365 | if (rc < 0)
|
---|
| 366 | return FALSE;
|
---|
| 367 | rc = strcmp(ap->context, con);
|
---|
| 368 | freecon(con);
|
---|
| 369 | return rc == 0;
|
---|
| 370 | }
|
---|
[821] | 371 | #endif
|
---|
| 372 |
|
---|
[1770] | 373 |
|
---|
| 374 | static int fileAction(const char *fileName, struct stat *statbuf, void *userData, int depth)
|
---|
| 375 | {
|
---|
| 376 | int i;
|
---|
| 377 | #if ENABLE_FEATURE_FIND_MAXDEPTH
|
---|
| 378 | int maxdepth = (int)(ptrdiff_t)userData;
|
---|
| 379 |
|
---|
| 380 | if (depth > maxdepth) return SKIP;
|
---|
[821] | 381 | #endif
|
---|
[1770] | 382 |
|
---|
| 383 | #if ENABLE_FEATURE_FIND_XDEV
|
---|
| 384 | if (S_ISDIR(statbuf->st_mode) && xdev_count) {
|
---|
| 385 | for (i = 0; i < xdev_count; i++) {
|
---|
| 386 | if (xdev_dev[i] == statbuf->st_dev)
|
---|
| 387 | break;
|
---|
| 388 | }
|
---|
| 389 | if (i == xdev_count)
|
---|
| 390 | return SKIP;
|
---|
| 391 | }
|
---|
| 392 | #endif
|
---|
| 393 | i = exec_actions(actions, fileName, statbuf);
|
---|
| 394 | /* Had no explicit -print[0] or -exec? then print */
|
---|
| 395 | if ((i & TRUE) && need_print)
|
---|
| 396 | puts(fileName);
|
---|
| 397 | /* Cannot return 0: our caller, recursive_action(),
|
---|
| 398 | * will perror() and skip dirs (if called on dir) */
|
---|
| 399 | return (i & SKIP) ? SKIP : TRUE;
|
---|
[821] | 400 | }
|
---|
| 401 |
|
---|
[1770] | 402 |
|
---|
| 403 | #if ENABLE_FEATURE_FIND_TYPE
|
---|
| 404 | static int find_type(const char *type)
|
---|
[821] | 405 | {
|
---|
| 406 | int mask = 0;
|
---|
| 407 |
|
---|
[1770] | 408 | if (*type == 'b')
|
---|
| 409 | mask = S_IFBLK;
|
---|
| 410 | else if (*type == 'c')
|
---|
| 411 | mask = S_IFCHR;
|
---|
| 412 | else if (*type == 'd')
|
---|
| 413 | mask = S_IFDIR;
|
---|
| 414 | else if (*type == 'p')
|
---|
| 415 | mask = S_IFIFO;
|
---|
| 416 | else if (*type == 'f')
|
---|
| 417 | mask = S_IFREG;
|
---|
| 418 | else if (*type == 'l')
|
---|
| 419 | mask = S_IFLNK;
|
---|
| 420 | else if (*type == 's')
|
---|
| 421 | mask = S_IFSOCK;
|
---|
[821] | 422 |
|
---|
[1770] | 423 | if (mask == 0 || *(type + 1) != '\0')
|
---|
[821] | 424 | bb_error_msg_and_die(bb_msg_invalid_arg, type, "-type");
|
---|
| 425 |
|
---|
| 426 | return mask;
|
---|
| 427 | }
|
---|
| 428 | #endif
|
---|
| 429 |
|
---|
[1770] | 430 | #if ENABLE_FEATURE_FIND_PERM \
|
---|
| 431 | || ENABLE_FEATURE_FIND_MTIME || ENABLE_FEATURE_FIND_MMIN \
|
---|
| 432 | || ENABLE_FEATURE_FIND_SIZE
|
---|
| 433 | static const char* plus_minus_num(const char* str)
|
---|
[821] | 434 | {
|
---|
[1770] | 435 | if (*str == '-' || *str == '+')
|
---|
| 436 | str++;
|
---|
| 437 | return str;
|
---|
| 438 | }
|
---|
| 439 | #endif
|
---|
[821] | 440 |
|
---|
[1770] | 441 | static action*** parse_params(char **argv)
|
---|
| 442 | {
|
---|
| 443 | enum {
|
---|
| 444 | PARM_a ,
|
---|
| 445 | PARM_o ,
|
---|
| 446 | USE_FEATURE_FIND_NOT( PARM_char_not ,)
|
---|
| 447 | #if ENABLE_DESKTOP
|
---|
| 448 | PARM_and ,
|
---|
| 449 | PARM_or ,
|
---|
| 450 | USE_FEATURE_FIND_NOT( PARM_not ,)
|
---|
| 451 | #endif
|
---|
| 452 | PARM_print ,
|
---|
| 453 | USE_FEATURE_FIND_PRINT0( PARM_print0 ,)
|
---|
| 454 | USE_FEATURE_FIND_DEPTH( PARM_depth ,)
|
---|
| 455 | USE_FEATURE_FIND_PRUNE( PARM_prune ,)
|
---|
| 456 | USE_FEATURE_FIND_DELETE( PARM_delete ,)
|
---|
| 457 | USE_FEATURE_FIND_EXEC( PARM_exec ,)
|
---|
| 458 | USE_FEATURE_FIND_PAREN( PARM_char_brace,)
|
---|
| 459 | /* All options starting from here require argument */
|
---|
| 460 | PARM_name ,
|
---|
| 461 | USE_FEATURE_FIND_PATH( PARM_path ,)
|
---|
| 462 | USE_FEATURE_FIND_REGEX( PARM_regex ,)
|
---|
| 463 | USE_FEATURE_FIND_TYPE( PARM_type ,)
|
---|
| 464 | USE_FEATURE_FIND_PERM( PARM_perm ,)
|
---|
| 465 | USE_FEATURE_FIND_MTIME( PARM_mtime ,)
|
---|
| 466 | USE_FEATURE_FIND_MMIN( PARM_mmin ,)
|
---|
| 467 | USE_FEATURE_FIND_NEWER( PARM_newer ,)
|
---|
| 468 | USE_FEATURE_FIND_INUM( PARM_inum ,)
|
---|
| 469 | USE_FEATURE_FIND_USER( PARM_user ,)
|
---|
| 470 | USE_FEATURE_FIND_GROUP( PARM_group ,)
|
---|
| 471 | USE_FEATURE_FIND_SIZE( PARM_size ,)
|
---|
| 472 | USE_FEATURE_FIND_CONTEXT(PARM_context ,)
|
---|
| 473 | };
|
---|
| 474 |
|
---|
| 475 | static const char params[] ALIGN1 =
|
---|
| 476 | "-a\0"
|
---|
| 477 | "-o\0"
|
---|
| 478 | USE_FEATURE_FIND_NOT( "!\0" )
|
---|
| 479 | #if ENABLE_DESKTOP
|
---|
| 480 | "-and\0"
|
---|
| 481 | "-or\0"
|
---|
| 482 | USE_FEATURE_FIND_NOT( "-not\0" )
|
---|
| 483 | #endif
|
---|
| 484 | "-print\0"
|
---|
| 485 | USE_FEATURE_FIND_PRINT0( "-print0\0" )
|
---|
| 486 | USE_FEATURE_FIND_DEPTH( "-depth\0" )
|
---|
| 487 | USE_FEATURE_FIND_PRUNE( "-prune\0" )
|
---|
| 488 | USE_FEATURE_FIND_DELETE( "-delete\0" )
|
---|
| 489 | USE_FEATURE_FIND_EXEC( "-exec\0" )
|
---|
| 490 | USE_FEATURE_FIND_PAREN( "(\0" )
|
---|
| 491 | /* All options starting from here require argument */
|
---|
| 492 | "-name\0"
|
---|
| 493 | USE_FEATURE_FIND_PATH( "-path\0" )
|
---|
| 494 | USE_FEATURE_FIND_REGEX( "-regex\0" )
|
---|
| 495 | USE_FEATURE_FIND_TYPE( "-type\0" )
|
---|
| 496 | USE_FEATURE_FIND_PERM( "-perm\0" )
|
---|
| 497 | USE_FEATURE_FIND_MTIME( "-mtime\0" )
|
---|
| 498 | USE_FEATURE_FIND_MMIN( "-mmin\0" )
|
---|
| 499 | USE_FEATURE_FIND_NEWER( "-newer\0" )
|
---|
| 500 | USE_FEATURE_FIND_INUM( "-inum\0" )
|
---|
| 501 | USE_FEATURE_FIND_USER( "-user\0" )
|
---|
| 502 | USE_FEATURE_FIND_GROUP( "-group\0" )
|
---|
| 503 | USE_FEATURE_FIND_SIZE( "-size\0" )
|
---|
| 504 | USE_FEATURE_FIND_CONTEXT("-context\0")
|
---|
| 505 | ;
|
---|
| 506 |
|
---|
| 507 | action*** appp;
|
---|
| 508 | unsigned cur_group = 0;
|
---|
| 509 | unsigned cur_action = 0;
|
---|
| 510 | USE_FEATURE_FIND_NOT( bool invert_flag = 0; )
|
---|
| 511 |
|
---|
| 512 | /* 'static' doesn't work here! (gcc 4.1.2) */
|
---|
| 513 | action* alloc_action(int sizeof_struct, action_fp f)
|
---|
| 514 | {
|
---|
| 515 | action *ap;
|
---|
| 516 | appp[cur_group] = xrealloc(appp[cur_group], (cur_action+2) * sizeof(*appp));
|
---|
| 517 | appp[cur_group][cur_action++] = ap = xmalloc(sizeof_struct);
|
---|
| 518 | appp[cur_group][cur_action] = NULL;
|
---|
| 519 | ap->f = f;
|
---|
| 520 | USE_FEATURE_FIND_NOT( ap->invert = invert_flag; )
|
---|
| 521 | USE_FEATURE_FIND_NOT( invert_flag = 0; )
|
---|
| 522 | return ap;
|
---|
[821] | 523 | }
|
---|
| 524 |
|
---|
[1770] | 525 | #define ALLOC_ACTION(name) (action_##name*)alloc_action(sizeof(action_##name), (action_fp) func_##name)
|
---|
| 526 |
|
---|
| 527 | appp = xzalloc(2 * sizeof(appp[0])); /* appp[0],[1] == NULL */
|
---|
| 528 |
|
---|
| 529 | /* Actions have side effects and return a true or false value
|
---|
| 530 | * We implement: -print, -print0, -exec
|
---|
| 531 | *
|
---|
| 532 | * The rest are tests.
|
---|
| 533 | *
|
---|
| 534 | * Tests and actions are grouped by operators
|
---|
| 535 | * ( expr ) Force precedence
|
---|
| 536 | * ! expr True if expr is false
|
---|
| 537 | * -not expr Same as ! expr
|
---|
| 538 | * expr1 [-a[nd]] expr2 And; expr2 is not evaluated if expr1 is false
|
---|
| 539 | * expr1 -o[r] expr2 Or; expr2 is not evaluated if expr1 is true
|
---|
| 540 | * expr1 , expr2 List; both expr1 and expr2 are always evaluated
|
---|
| 541 | * We implement: (), -a, -o
|
---|
| 542 | */
|
---|
| 543 | while (*argv) {
|
---|
| 544 | const char *arg = argv[0];
|
---|
| 545 | int parm = index_in_strings(params, arg);
|
---|
| 546 | const char *arg1 = argv[1];
|
---|
| 547 |
|
---|
| 548 | if (parm >= PARM_name) {
|
---|
| 549 | /* All options starting from -name require argument */
|
---|
| 550 | if (!arg1)
|
---|
| 551 | bb_error_msg_and_die(bb_msg_requires_arg, arg);
|
---|
| 552 | argv++;
|
---|
| 553 | }
|
---|
| 554 |
|
---|
| 555 | /* We can use big switch() here, but on i386
|
---|
| 556 | * it doesn't give smaller code. Other arches? */
|
---|
| 557 |
|
---|
| 558 | /* --- Operators --- */
|
---|
| 559 | if (parm == PARM_a USE_DESKTOP(|| parm == PARM_and)) {
|
---|
| 560 | /* no further special handling required */
|
---|
| 561 | }
|
---|
| 562 | else if (parm == PARM_o USE_DESKTOP(|| parm == PARM_or)) {
|
---|
| 563 | /* start new OR group */
|
---|
| 564 | cur_group++;
|
---|
| 565 | appp = xrealloc(appp, (cur_group+2) * sizeof(*appp));
|
---|
| 566 | /*appp[cur_group] = NULL; - already NULL */
|
---|
| 567 | appp[cur_group+1] = NULL;
|
---|
| 568 | cur_action = 0;
|
---|
| 569 | }
|
---|
| 570 | #if ENABLE_FEATURE_FIND_NOT
|
---|
| 571 | else if (parm == PARM_char_not USE_DESKTOP(|| parm == PARM_not)) {
|
---|
| 572 | /* also handles "find ! ! -name 'foo*'" */
|
---|
| 573 | invert_flag ^= 1;
|
---|
| 574 | }
|
---|
[821] | 575 | #endif
|
---|
[1770] | 576 |
|
---|
| 577 | /* --- Tests and actions --- */
|
---|
| 578 | else if (parm == PARM_print) {
|
---|
| 579 | need_print = 0;
|
---|
| 580 | /* GNU find ignores '!' here: "find ! -print" */
|
---|
| 581 | USE_FEATURE_FIND_NOT( invert_flag = 0; )
|
---|
| 582 | (void) ALLOC_ACTION(print);
|
---|
| 583 | }
|
---|
| 584 | #if ENABLE_FEATURE_FIND_PRINT0
|
---|
| 585 | else if (parm == PARM_print0) {
|
---|
| 586 | need_print = 0;
|
---|
| 587 | USE_FEATURE_FIND_NOT( invert_flag = 0; )
|
---|
| 588 | (void) ALLOC_ACTION(print0);
|
---|
| 589 | }
|
---|
[821] | 590 | #endif
|
---|
[1770] | 591 | #if ENABLE_FEATURE_FIND_DEPTH
|
---|
| 592 | else if (parm == PARM_depth) {
|
---|
| 593 | recurse_flags |= ACTION_DEPTHFIRST;
|
---|
| 594 | }
|
---|
[821] | 595 | #endif
|
---|
[1770] | 596 | #if ENABLE_FEATURE_FIND_PRUNE
|
---|
| 597 | else if (parm == PARM_prune) {
|
---|
| 598 | USE_FEATURE_FIND_NOT( invert_flag = 0; )
|
---|
| 599 | (void) ALLOC_ACTION(prune);
|
---|
| 600 | }
|
---|
[821] | 601 | #endif
|
---|
[1770] | 602 | #if ENABLE_FEATURE_FIND_DELETE
|
---|
| 603 | else if (parm == PARM_delete) {
|
---|
| 604 | need_print = 0;
|
---|
| 605 | recurse_flags |= ACTION_DEPTHFIRST;
|
---|
| 606 | (void) ALLOC_ACTION(delete);
|
---|
| 607 | }
|
---|
[821] | 608 | #endif
|
---|
[1770] | 609 | #if ENABLE_FEATURE_FIND_EXEC
|
---|
| 610 | else if (parm == PARM_exec) {
|
---|
| 611 | int i;
|
---|
| 612 | action_exec *ap;
|
---|
| 613 | need_print = 0;
|
---|
| 614 | USE_FEATURE_FIND_NOT( invert_flag = 0; )
|
---|
| 615 | ap = ALLOC_ACTION(exec);
|
---|
| 616 | ap->exec_argv = ++argv; /* first arg after -exec */
|
---|
| 617 | ap->exec_argc = 0;
|
---|
| 618 | while (1) {
|
---|
| 619 | if (!*argv) /* did not see ';' until end */
|
---|
| 620 | bb_error_msg_and_die("-exec CMD must end by ';'");
|
---|
| 621 | if (LONE_CHAR(argv[0], ';'))
|
---|
| 622 | break;
|
---|
| 623 | argv++;
|
---|
| 624 | ap->exec_argc++;
|
---|
[821] | 625 | }
|
---|
[1770] | 626 | if (ap->exec_argc == 0)
|
---|
| 627 | bb_error_msg_and_die(bb_msg_requires_arg, arg);
|
---|
| 628 | ap->subst_count = xmalloc(ap->exec_argc * sizeof(int));
|
---|
| 629 | i = ap->exec_argc;
|
---|
| 630 | while (i--)
|
---|
| 631 | ap->subst_count[i] = count_subst(ap->exec_argv[i]);
|
---|
| 632 | }
|
---|
| 633 | #endif
|
---|
| 634 | #if ENABLE_FEATURE_FIND_PAREN
|
---|
| 635 | else if (parm == PARM_char_brace) {
|
---|
| 636 | action_paren *ap;
|
---|
| 637 | char **endarg;
|
---|
| 638 | unsigned nested = 1;
|
---|
[821] | 639 |
|
---|
[1770] | 640 | endarg = argv;
|
---|
| 641 | while (1) {
|
---|
| 642 | if (!*++endarg)
|
---|
| 643 | bb_error_msg_and_die("unpaired '('");
|
---|
| 644 | if (LONE_CHAR(*endarg, '('))
|
---|
| 645 | nested++;
|
---|
| 646 | else if (LONE_CHAR(*endarg, ')') && !--nested) {
|
---|
| 647 | *endarg = NULL;
|
---|
| 648 | break;
|
---|
[821] | 649 | }
|
---|
| 650 | }
|
---|
[1770] | 651 | ap = ALLOC_ACTION(paren);
|
---|
| 652 | ap->subexpr = parse_params(argv + 1);
|
---|
| 653 | *endarg = (char*) ")"; /* restore NULLed parameter */
|
---|
| 654 | argv = endarg;
|
---|
| 655 | }
|
---|
[821] | 656 | #endif
|
---|
[1770] | 657 | else if (parm == PARM_name) {
|
---|
| 658 | action_name *ap;
|
---|
| 659 | ap = ALLOC_ACTION(name);
|
---|
| 660 | ap->pattern = arg1;
|
---|
| 661 | }
|
---|
| 662 | #if ENABLE_FEATURE_FIND_PATH
|
---|
| 663 | else if (parm == PARM_path) {
|
---|
| 664 | action_path *ap;
|
---|
| 665 | ap = ALLOC_ACTION(path);
|
---|
| 666 | ap->pattern = arg1;
|
---|
| 667 | }
|
---|
| 668 | #endif
|
---|
| 669 | #if ENABLE_FEATURE_FIND_REGEX
|
---|
| 670 | else if (parm == PARM_regex) {
|
---|
| 671 | action_regex *ap;
|
---|
| 672 | ap = ALLOC_ACTION(regex);
|
---|
| 673 | xregcomp(&ap->compiled_pattern, arg1, 0 /*cflags*/);
|
---|
| 674 | }
|
---|
| 675 | #endif
|
---|
| 676 | #if ENABLE_FEATURE_FIND_TYPE
|
---|
| 677 | else if (parm == PARM_type) {
|
---|
| 678 | action_type *ap;
|
---|
| 679 | ap = ALLOC_ACTION(type);
|
---|
| 680 | ap->type_mask = find_type(arg1);
|
---|
| 681 | }
|
---|
| 682 | #endif
|
---|
| 683 | #if ENABLE_FEATURE_FIND_PERM
|
---|
| 684 | /* -perm mode File's permission bits are exactly mode (octal or symbolic).
|
---|
| 685 | * Symbolic modes use mode 0 as a point of departure.
|
---|
| 686 | * -perm -mode All of the permission bits mode are set for the file.
|
---|
| 687 | * -perm +mode Any of the permission bits mode are set for the file.
|
---|
| 688 | */
|
---|
| 689 | else if (parm == PARM_perm) {
|
---|
| 690 | action_perm *ap;
|
---|
| 691 | ap = ALLOC_ACTION(perm);
|
---|
| 692 | ap->perm_char = arg1[0];
|
---|
| 693 | arg1 = plus_minus_num(arg1);
|
---|
| 694 | ap->perm_mask = 0;
|
---|
| 695 | if (!bb_parse_mode(arg1, &ap->perm_mask))
|
---|
| 696 | bb_error_msg_and_die("invalid mode: %s", arg1);
|
---|
| 697 | }
|
---|
| 698 | #endif
|
---|
| 699 | #if ENABLE_FEATURE_FIND_MTIME
|
---|
| 700 | else if (parm == PARM_mtime) {
|
---|
| 701 | action_mtime *ap;
|
---|
| 702 | ap = ALLOC_ACTION(mtime);
|
---|
| 703 | ap->mtime_char = arg1[0];
|
---|
| 704 | ap->mtime_days = xatoul(plus_minus_num(arg1));
|
---|
| 705 | }
|
---|
| 706 | #endif
|
---|
| 707 | #if ENABLE_FEATURE_FIND_MMIN
|
---|
| 708 | else if (parm == PARM_mmin) {
|
---|
| 709 | action_mmin *ap;
|
---|
| 710 | ap = ALLOC_ACTION(mmin);
|
---|
| 711 | ap->mmin_char = arg1[0];
|
---|
| 712 | ap->mmin_mins = xatoul(plus_minus_num(arg1));
|
---|
| 713 | }
|
---|
| 714 | #endif
|
---|
| 715 | #if ENABLE_FEATURE_FIND_NEWER
|
---|
| 716 | else if (parm == PARM_newer) {
|
---|
[821] | 717 | struct stat stat_newer;
|
---|
[1770] | 718 | action_newer *ap;
|
---|
| 719 | ap = ALLOC_ACTION(newer);
|
---|
| 720 | xstat(arg1, &stat_newer);
|
---|
| 721 | ap->newer_mtime = stat_newer.st_mtime;
|
---|
| 722 | }
|
---|
[821] | 723 | #endif
|
---|
[1770] | 724 | #if ENABLE_FEATURE_FIND_INUM
|
---|
| 725 | else if (parm == PARM_inum) {
|
---|
| 726 | action_inum *ap;
|
---|
| 727 | ap = ALLOC_ACTION(inum);
|
---|
| 728 | ap->inode_num = xatoul(arg1);
|
---|
| 729 | }
|
---|
[821] | 730 | #endif
|
---|
[1770] | 731 | #if ENABLE_FEATURE_FIND_USER
|
---|
| 732 | else if (parm == PARM_user) {
|
---|
| 733 | action_user *ap;
|
---|
| 734 | ap = ALLOC_ACTION(user);
|
---|
| 735 | ap->uid = bb_strtou(arg1, NULL, 10);
|
---|
| 736 | if (errno)
|
---|
| 737 | ap->uid = xuname2uid(arg1);
|
---|
| 738 | }
|
---|
| 739 | #endif
|
---|
| 740 | #if ENABLE_FEATURE_FIND_GROUP
|
---|
| 741 | else if (parm == PARM_group) {
|
---|
| 742 | action_group *ap;
|
---|
| 743 | ap = ALLOC_ACTION(group);
|
---|
| 744 | ap->gid = bb_strtou(arg1, NULL, 10);
|
---|
| 745 | if (errno)
|
---|
| 746 | ap->gid = xgroup2gid(arg1);
|
---|
| 747 | }
|
---|
| 748 | #endif
|
---|
| 749 | #if ENABLE_FEATURE_FIND_SIZE
|
---|
| 750 | else if (parm == PARM_size) {
|
---|
| 751 | /* -size n[bckw]: file uses n units of space
|
---|
| 752 | * b (default): units are 512-byte blocks
|
---|
| 753 | * c: 1 byte
|
---|
| 754 | * k: kilobytes
|
---|
| 755 | * w: 2-byte words
|
---|
| 756 | */
|
---|
| 757 | #if ENABLE_LFS
|
---|
| 758 | #define XATOU_SFX xatoull_sfx
|
---|
| 759 | #else
|
---|
| 760 | #define XATOU_SFX xatoul_sfx
|
---|
| 761 | #endif
|
---|
| 762 | static const struct suffix_mult find_suffixes[] = {
|
---|
| 763 | { "c", 1 },
|
---|
| 764 | { "w", 2 },
|
---|
| 765 | { "", 512 },
|
---|
| 766 | { "b", 512 },
|
---|
| 767 | { "k", 1024 },
|
---|
| 768 | { }
|
---|
| 769 | };
|
---|
| 770 | action_size *ap;
|
---|
| 771 | ap = ALLOC_ACTION(size);
|
---|
| 772 | ap->size_char = arg1[0];
|
---|
| 773 | ap->size = XATOU_SFX(plus_minus_num(arg1), find_suffixes);
|
---|
| 774 | }
|
---|
| 775 | #endif
|
---|
| 776 | #if ENABLE_FEATURE_FIND_CONTEXT
|
---|
| 777 | else if (parm == PARM_context) {
|
---|
| 778 | action_context *ap;
|
---|
| 779 | ap = ALLOC_ACTION(context);
|
---|
| 780 | ap->context = NULL;
|
---|
| 781 | /* SELinux headers erroneously declare non-const parameter */
|
---|
| 782 | if (selinux_raw_to_trans_context((char*)arg1, &ap->context))
|
---|
| 783 | bb_perror_msg("%s", arg1);
|
---|
| 784 | }
|
---|
| 785 | #endif
|
---|
| 786 | else {
|
---|
| 787 | bb_error_msg("unrecognized: %s", arg);
|
---|
| 788 | bb_show_usage();
|
---|
| 789 | }
|
---|
| 790 | argv++;
|
---|
| 791 | }
|
---|
| 792 | return appp;
|
---|
| 793 | #undef ALLOC_ACTION
|
---|
| 794 | }
|
---|
[821] | 795 |
|
---|
| 796 |
|
---|
[1770] | 797 | int find_main(int argc, char **argv);
|
---|
| 798 | int find_main(int argc, char **argv)
|
---|
| 799 | {
|
---|
| 800 | static const char options[] ALIGN1 =
|
---|
| 801 | "-follow\0"
|
---|
| 802 | USE_FEATURE_FIND_XDEV( "-xdev\0" )
|
---|
| 803 | USE_FEATURE_FIND_MAXDEPTH("-maxdepth\0")
|
---|
| 804 | ;
|
---|
| 805 | enum {
|
---|
| 806 | OPT_FOLLOW,
|
---|
| 807 | USE_FEATURE_FIND_XDEV( OPT_XDEV ,)
|
---|
| 808 | USE_FEATURE_FIND_MAXDEPTH(OPT_MAXDEPTH,)
|
---|
| 809 | };
|
---|
[821] | 810 |
|
---|
[1770] | 811 | char *arg;
|
---|
| 812 | char **argp;
|
---|
| 813 | int i, firstopt, status = EXIT_SUCCESS;
|
---|
| 814 | #if ENABLE_FEATURE_FIND_MAXDEPTH
|
---|
| 815 | int maxdepth = INT_MAX;
|
---|
| 816 | #endif
|
---|
| 817 |
|
---|
| 818 | for (firstopt = 1; firstopt < argc; firstopt++) {
|
---|
| 819 | if (argv[firstopt][0] == '-')
|
---|
| 820 | break;
|
---|
| 821 | if (ENABLE_FEATURE_FIND_NOT && LONE_CHAR(argv[firstopt], '!'))
|
---|
| 822 | break;
|
---|
| 823 | #if ENABLE_FEATURE_FIND_PAREN
|
---|
| 824 | if (LONE_CHAR(argv[firstopt], '('))
|
---|
| 825 | break;
|
---|
| 826 | #endif
|
---|
| 827 | }
|
---|
| 828 | if (firstopt == 1) {
|
---|
| 829 | argv[0] = (char*)".";
|
---|
| 830 | argv--;
|
---|
| 831 | firstopt++;
|
---|
| 832 | }
|
---|
| 833 |
|
---|
| 834 | /* All options always return true. They always take effect
|
---|
| 835 | * rather than being processed only when their place in the
|
---|
| 836 | * expression is reached.
|
---|
| 837 | * We implement: -follow, -xdev, -maxdepth
|
---|
| 838 | */
|
---|
| 839 | /* Process options, and replace then with -a */
|
---|
| 840 | /* (-a will be ignored by recursive parser later) */
|
---|
| 841 | argp = &argv[firstopt];
|
---|
| 842 | while ((arg = argp[0])) {
|
---|
| 843 | int opt = index_in_strings(options, arg);
|
---|
| 844 | if (opt == OPT_FOLLOW) {
|
---|
| 845 | recurse_flags |= ACTION_FOLLOWLINKS;
|
---|
| 846 | argp[0] = (char*)"-a";
|
---|
| 847 | }
|
---|
| 848 | #if ENABLE_FEATURE_FIND_XDEV
|
---|
| 849 | if (opt == OPT_XDEV) {
|
---|
| 850 | struct stat stbuf;
|
---|
| 851 | if (!xdev_count) {
|
---|
| 852 | xdev_count = firstopt - 1;
|
---|
| 853 | xdev_dev = xmalloc(xdev_count * sizeof(dev_t));
|
---|
| 854 | for (i = 1; i < firstopt; i++) {
|
---|
| 855 | /* not xstat(): shouldn't bomb out on
|
---|
| 856 | * "find not_exist exist -xdev" */
|
---|
| 857 | if (stat(argv[i], &stbuf))
|
---|
| 858 | stbuf.st_dev = -1L;
|
---|
| 859 | xdev_dev[i-1] = stbuf.st_dev;
|
---|
| 860 | }
|
---|
[821] | 861 | }
|
---|
[1770] | 862 | argp[0] = (char*)"-a";
|
---|
| 863 | }
|
---|
[821] | 864 | #endif
|
---|
[1770] | 865 | #if ENABLE_FEATURE_FIND_MAXDEPTH
|
---|
| 866 | if (opt == OPT_MAXDEPTH) {
|
---|
| 867 | if (!argp[1])
|
---|
| 868 | bb_show_usage();
|
---|
| 869 | maxdepth = xatoi_u(argp[1]);
|
---|
| 870 | argp[0] = (char*)"-a";
|
---|
| 871 | argp[1] = (char*)"-a";
|
---|
| 872 | argp++;
|
---|
| 873 | }
|
---|
| 874 | #endif
|
---|
| 875 | argp++;
|
---|
[821] | 876 | }
|
---|
| 877 |
|
---|
[1770] | 878 | actions = parse_params(&argv[firstopt]);
|
---|
| 879 |
|
---|
| 880 | for (i = 1; i < firstopt; i++) {
|
---|
| 881 | if (!recursive_action(argv[i],
|
---|
| 882 | recurse_flags, /* flags */
|
---|
| 883 | fileAction, /* file action */
|
---|
| 884 | fileAction, /* dir action */
|
---|
| 885 | #if ENABLE_FEATURE_FIND_MAXDEPTH
|
---|
| 886 | /* double cast suppresses
|
---|
| 887 | * "cast to ptr from int of different size" */
|
---|
| 888 | (void*)(ptrdiff_t)maxdepth,/* user data */
|
---|
| 889 | #else
|
---|
| 890 | NULL, /* user data */
|
---|
| 891 | #endif
|
---|
| 892 | 0)) /* depth */
|
---|
[821] | 893 | status = EXIT_FAILURE;
|
---|
| 894 | }
|
---|
| 895 | return status;
|
---|
| 896 | }
|
---|