| 1 | #include "../rsync.h" |
| 2 | #ifndef HAVE_FNMATCH |
| 3 | |
| 4 | /* ----- THE FOLLOWING UP TO 'END' is glibc-2.1.2 posix/fnmatch.c |
| 5 | except for the part with the '#if 0' */ |
| 6 | |
| 7 | /* Copyright (C) 1991, 92, 93, 96, 97, 98, 99 Free Software Foundation, Inc. |
| 8 | This file is part of the GNU C Library. |
| 9 | |
| 10 | This library is free software; you can redistribute it and/or |
| 11 | modify it under the terms of the GNU Library General Public License as |
| 12 | published by the Free Software Foundation; either version 2 of the |
| 13 | License, or (at your option) any later version. |
| 14 | |
| 15 | This library is distributed in the hope that it will be useful, |
| 16 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 18 | Library General Public License for more details. |
| 19 | |
| 20 | You should have received a copy of the GNU Library General Public |
| 21 | License along with this library; see the file COPYING.LIB. If not, |
| 22 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| 23 | Boston, MA 02111-1307, USA. */ |
| 24 | |
| 25 | #if HAVE_CONFIG_H |
| 26 | # include <config.h> |
| 27 | #endif |
| 28 | |
| 29 | /* Enable GNU extensions in fnmatch.h. */ |
| 30 | #ifndef _GNU_SOURCE |
| 31 | # define _GNU_SOURCE 1 |
| 32 | #endif |
| 33 | |
| 34 | #include <errno.h> |
| 35 | #include <fnmatch.h> |
| 36 | #include <ctype.h> |
| 37 | |
| 38 | #if HAVE_STRING_H || defined _LIBC |
| 39 | # include <string.h> |
| 40 | #else |
| 41 | # include <strings.h> |
| 42 | #endif |
| 43 | |
| 44 | #if defined STDC_HEADERS || defined _LIBC |
| 45 | # include <stdlib.h> |
| 46 | #endif |
| 47 | |
| 48 | /* For platform which support the ISO C amendement 1 functionality we |
| 49 | support user defined character classes. */ |
| 50 | #if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H) |
| 51 | /* Solaris 2.5 has a bug: <wchar.h> must be included before <wctype.h>. */ |
| 52 | # include <wchar.h> |
| 53 | # include <wctype.h> |
| 54 | #endif |
| 55 | |
| 56 | /* Comment out all this code if we are using the GNU C Library, and are not |
| 57 | actually compiling the library itself. This code is part of the GNU C |
| 58 | Library, but also included in many other GNU distributions. Compiling |
| 59 | and linking in this code is a waste when using the GNU C library |
| 60 | (especially if it is a shared library). Rather than having every GNU |
| 61 | program understand `configure --with-gnu-libc' and omit the object files, |
| 62 | it is simpler to just do this in the source for each such file. */ |
| 63 | |
| 64 | #if defined _LIBC || !defined __GNU_LIBRARY__ |
| 65 | |
| 66 | |
| 67 | # if defined STDC_HEADERS || !defined isascii |
| 68 | # define ISASCII(c) 1 |
| 69 | # else |
| 70 | # define ISASCII(c) isascii(c) |
| 71 | # endif |
| 72 | |
| 73 | #ifdef isblank |
| 74 | # define ISBLANK(c) (ISASCII (c) && isblank (c)) |
| 75 | #else |
| 76 | # define ISBLANK(c) ((c) == ' ' || (c) == '\t') |
| 77 | #endif |
| 78 | #ifdef isgraph |
| 79 | # define ISGRAPH(c) (ISASCII (c) && isgraph (c)) |
| 80 | #else |
| 81 | # define ISGRAPH(c) (ISASCII (c) && isprint (c) && !isspace (c)) |
| 82 | #endif |
| 83 | |
| 84 | #define ISPRINT(c) (ISASCII (c) && isprint (c)) |
| 85 | #define ISDIGIT(c) (ISASCII (c) && isdigit (c)) |
| 86 | #define ISALNUM(c) (ISASCII (c) && isalnum (c)) |
| 87 | #define ISALPHA(c) (ISASCII (c) && isalpha (c)) |
| 88 | #define ISCNTRL(c) (ISASCII (c) && iscntrl (c)) |
| 89 | #define ISLOWER(c) (ISASCII (c) && islower (c)) |
| 90 | #define ISPUNCT(c) (ISASCII (c) && ispunct (c)) |
| 91 | #define ISSPACE(c) (ISASCII (c) && isspace (c)) |
| 92 | #define ISUPPER(c) (ISASCII (c) && isupper (c)) |
| 93 | #define ISXDIGIT(c) (ISASCII (c) && isxdigit (c)) |
| 94 | |
| 95 | # define STREQ(s1, s2) ((strcmp (s1, s2) == 0)) |
| 96 | |
| 97 | # if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H) |
| 98 | /* The GNU C library provides support for user-defined character classes |
| 99 | and the functions from ISO C amendement 1. */ |
| 100 | # ifdef CHARCLASS_NAME_MAX |
| 101 | # define CHAR_CLASS_MAX_LENGTH CHARCLASS_NAME_MAX |
| 102 | # else |
| 103 | /* This shouldn't happen but some implementation might still have this |
| 104 | problem. Use a reasonable default value. */ |
| 105 | # define CHAR_CLASS_MAX_LENGTH 256 |
| 106 | # endif |
| 107 | |
| 108 | # ifdef _LIBC |
| 109 | # define IS_CHAR_CLASS(string) __wctype (string) |
| 110 | # else |
| 111 | # define IS_CHAR_CLASS(string) wctype (string) |
| 112 | # endif |
| 113 | # else |
| 114 | # define CHAR_CLASS_MAX_LENGTH 6 /* Namely, `xdigit'. */ |
| 115 | |
| 116 | # define IS_CHAR_CLASS(string) \ |
| 117 | (STREQ (string, "alpha") || STREQ (string, "upper") \ |
| 118 | || STREQ (string, "lower") || STREQ (string, "digit") \ |
| 119 | || STREQ (string, "alnum") || STREQ (string, "xdigit") \ |
| 120 | || STREQ (string, "space") || STREQ (string, "print") \ |
| 121 | || STREQ (string, "punct") || STREQ (string, "graph") \ |
| 122 | || STREQ (string, "cntrl") || STREQ (string, "blank")) |
| 123 | # endif |
| 124 | |
| 125 | /* Avoid depending on library functions or files |
| 126 | whose names are inconsistent. */ |
| 127 | |
| 128 | # if !defined _LIBC && !defined getenv |
| 129 | extern char *getenv (); |
| 130 | # endif |
| 131 | |
| 132 | # ifndef errno |
| 133 | extern int errno; |
| 134 | # endif |
| 135 | |
| 136 | /* Match STRING against the filename pattern PATTERN, returning zero if |
| 137 | it matches, nonzero if not. */ |
| 138 | static int |
| 139 | #ifdef _LIBC |
| 140 | internal_function |
| 141 | #endif |
| 142 | internal_fnmatch (const char *pattern, const char *string, |
| 143 | int no_leading_period, int flags) |
| 144 | { |
| 145 | register const char *p = pattern, *n = string; |
| 146 | register unsigned char c; |
| 147 | |
| 148 | /* Note that this evaluates C many times. */ |
| 149 | # ifdef _LIBC |
| 150 | # define FOLD(c) ((flags & FNM_CASEFOLD) ? tolower (c) : (c)) |
| 151 | # else |
| 152 | # define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER (c) ? tolower (c) : (c)) |
| 153 | # endif |
| 154 | |
| 155 | while ((c = *p++) != '\0') |
| 156 | { |
| 157 | c = FOLD (c); |
| 158 | |
| 159 | switch (c) |
| 160 | { |
| 161 | case '?': |
| 162 | if (*n == '\0') |
| 163 | return FNM_NOMATCH; |
| 164 | else if (*n == '/' && (flags & FNM_FILE_NAME)) |
| 165 | return FNM_NOMATCH; |
| 166 | else if (*n == '.' && no_leading_period |
| 167 | && (n == string |
| 168 | || (n[-1] == '/' && (flags & FNM_FILE_NAME)))) |
| 169 | return FNM_NOMATCH; |
| 170 | break; |
| 171 | |
| 172 | case '\\': |
| 173 | if (!(flags & FNM_NOESCAPE)) |
| 174 | { |
| 175 | c = *p++; |
| 176 | if (c == '\0') |
| 177 | /* Trailing \ loses. */ |
| 178 | return FNM_NOMATCH; |
| 179 | c = FOLD (c); |
| 180 | } |
| 181 | if (FOLD ((unsigned char) *n) != c) |
| 182 | return FNM_NOMATCH; |
| 183 | break; |
| 184 | |
| 185 | case '*': |
| 186 | if (*n == '.' && no_leading_period |
| 187 | && (n == string |
| 188 | || (n[-1] == '/' && (flags & FNM_FILE_NAME)))) |
| 189 | return FNM_NOMATCH; |
| 190 | |
| 191 | for (c = *p++; c == '?' || c == '*'; c = *p++) |
| 192 | { |
| 193 | if (*n == '/' && (flags & FNM_FILE_NAME)) |
| 194 | /* A slash does not match a wildcard under FNM_FILE_NAME. */ |
| 195 | return FNM_NOMATCH; |
| 196 | else if (c == '?') |
| 197 | { |
| 198 | /* A ? needs to match one character. */ |
| 199 | if (*n == '\0') |
| 200 | /* There isn't another character; no match. */ |
| 201 | return FNM_NOMATCH; |
| 202 | else |
| 203 | /* One character of the string is consumed in matching |
| 204 | this ? wildcard, so *??? won't match if there are |
| 205 | less than three characters. */ |
| 206 | ++n; |
| 207 | } |
| 208 | } |
| 209 | |
| 210 | if (c == '\0') |
| 211 | /* The wildcard(s) is/are the last element of the pattern. |
| 212 | If the name is a file name and contains another slash |
| 213 | this does mean it cannot match. */ |
| 214 | return ((flags & FNM_FILE_NAME) && strchr (n, '/') != NULL |
| 215 | ? FNM_NOMATCH : 0); |
| 216 | else |
| 217 | { |
| 218 | const char *endp; |
| 219 | |
| 220 | #if 0 |
| 221 | endp = __strchrnul (n, (flags & FNM_FILE_NAME) ? '/' : '\0'); |
| 222 | #else |
| 223 | /* replace call to internal glibc function with equivalent */ |
| 224 | if (!(flags & FNM_FILE_NAME) || ((endp = strchr(n, '/')) == NULL)) |
| 225 | endp = n + strlen(n); |
| 226 | #endif |
| 227 | |
| 228 | if (c == '[') |
| 229 | { |
| 230 | int flags2 = ((flags & FNM_FILE_NAME) |
| 231 | ? flags : (flags & ~FNM_PERIOD)); |
| 232 | |
| 233 | for (--p; n < endp; ++n) |
| 234 | if (internal_fnmatch (p, n, |
| 235 | (no_leading_period |
| 236 | && (n == string |
| 237 | || (n[-1] == '/' |
| 238 | && (flags |
| 239 | & FNM_FILE_NAME)))), |
| 240 | flags2) |
| 241 | == 0) |
| 242 | return 0; |
| 243 | } |
| 244 | else if (c == '/' && (flags & FNM_FILE_NAME)) |
| 245 | { |
| 246 | while (*n != '\0' && *n != '/') |
| 247 | ++n; |
| 248 | if (*n == '/' |
| 249 | && (internal_fnmatch (p, n + 1, flags & FNM_PERIOD, |
| 250 | flags) == 0)) |
| 251 | return 0; |
| 252 | } |
| 253 | else |
| 254 | { |
| 255 | int flags2 = ((flags & FNM_FILE_NAME) |
| 256 | ? flags : (flags & ~FNM_PERIOD)); |
| 257 | |
| 258 | if (c == '\\' && !(flags & FNM_NOESCAPE)) |
| 259 | c = *p; |
| 260 | c = FOLD (c); |
| 261 | for (--p; n < endp; ++n) |
| 262 | if (FOLD ((unsigned char) *n) == c |
| 263 | && (internal_fnmatch (p, n, |
| 264 | (no_leading_period |
| 265 | && (n == string |
| 266 | || (n[-1] == '/' |
| 267 | && (flags |
| 268 | & FNM_FILE_NAME)))), |
| 269 | flags2) == 0)) |
| 270 | return 0; |
| 271 | } |
| 272 | } |
| 273 | |
| 274 | /* If we come here no match is possible with the wildcard. */ |
| 275 | return FNM_NOMATCH; |
| 276 | |
| 277 | case '[': |
| 278 | { |
| 279 | /* Nonzero if the sense of the character class is inverted. */ |
| 280 | static int posixly_correct; |
| 281 | register int not; |
| 282 | char cold; |
| 283 | |
| 284 | if (posixly_correct == 0) |
| 285 | posixly_correct = getenv ("POSIXLY_CORRECT") != NULL ? 1 : -1; |
| 286 | |
| 287 | if (*n == '\0') |
| 288 | return FNM_NOMATCH; |
| 289 | |
| 290 | if (*n == '.' && no_leading_period && (n == string |
| 291 | || (n[-1] == '/' |
| 292 | && (flags |
| 293 | & FNM_FILE_NAME)))) |
| 294 | return FNM_NOMATCH; |
| 295 | |
| 296 | if (*n == '/' && (flags & FNM_FILE_NAME)) |
| 297 | /* `/' cannot be matched. */ |
| 298 | return FNM_NOMATCH; |
| 299 | |
| 300 | not = (*p == '!' || (posixly_correct < 0 && *p == '^')); |
| 301 | if (not) |
| 302 | ++p; |
| 303 | |
| 304 | c = *p++; |
| 305 | for (;;) |
| 306 | { |
| 307 | unsigned char fn = FOLD ((unsigned char) *n); |
| 308 | |
| 309 | if (!(flags & FNM_NOESCAPE) && c == '\\') |
| 310 | { |
| 311 | if (*p == '\0') |
| 312 | return FNM_NOMATCH; |
| 313 | c = FOLD ((unsigned char) *p); |
| 314 | ++p; |
| 315 | |
| 316 | if (c == fn) |
| 317 | goto matched; |
| 318 | } |
| 319 | else if (c == '[' && *p == ':') |
| 320 | { |
| 321 | /* Leave room for the null. */ |
| 322 | char str[CHAR_CLASS_MAX_LENGTH + 1]; |
| 323 | size_t c1 = 0; |
| 324 | # if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H) |
| 325 | wctype_t wt; |
| 326 | # endif |
| 327 | const char *startp = p; |
| 328 | |
| 329 | for (;;) |
| 330 | { |
| 331 | if (c1 == CHAR_CLASS_MAX_LENGTH) |
| 332 | /* The name is too long and therefore the pattern |
| 333 | is ill-formed. */ |
| 334 | return FNM_NOMATCH; |
| 335 | |
| 336 | c = *++p; |
| 337 | if (c == ':' && p[1] == ']') |
| 338 | { |
| 339 | p += 2; |
| 340 | break; |
| 341 | } |
| 342 | if (c < 'a' || c >= 'z') |
| 343 | { |
| 344 | /* This cannot possibly be a character class name. |
| 345 | Match it as a normal range. */ |
| 346 | p = startp; |
| 347 | c = '['; |
| 348 | goto normal_bracket; |
| 349 | } |
| 350 | str[c1++] = c; |
| 351 | } |
| 352 | str[c1] = '\0'; |
| 353 | |
| 354 | # if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H) |
| 355 | wt = IS_CHAR_CLASS (str); |
| 356 | if (wt == 0) |
| 357 | /* Invalid character class name. */ |
| 358 | return FNM_NOMATCH; |
| 359 | |
| 360 | if (__iswctype (__btowc ((unsigned char) *n), wt)) |
| 361 | goto matched; |
| 362 | # else |
| 363 | if ((STREQ (str, "alnum") && ISALNUM ((unsigned char) *n)) |
| 364 | || (STREQ (str, "alpha") && ISALPHA ((unsigned char) *n)) |
| 365 | || (STREQ (str, "blank") && ISBLANK ((unsigned char) *n)) |
| 366 | || (STREQ (str, "cntrl") && ISCNTRL ((unsigned char) *n)) |
| 367 | || (STREQ (str, "digit") && ISDIGIT ((unsigned char) *n)) |
| 368 | || (STREQ (str, "graph") && ISGRAPH ((unsigned char) *n)) |
| 369 | || (STREQ (str, "lower") && ISLOWER ((unsigned char) *n)) |
| 370 | || (STREQ (str, "print") && ISPRINT ((unsigned char) *n)) |
| 371 | || (STREQ (str, "punct") && ISPUNCT ((unsigned char) *n)) |
| 372 | || (STREQ (str, "space") && ISSPACE ((unsigned char) *n)) |
| 373 | || (STREQ (str, "upper") && ISUPPER ((unsigned char) *n)) |
| 374 | || (STREQ (str, "xdigit") && ISXDIGIT ((unsigned char) *n))) |
| 375 | goto matched; |
| 376 | # endif |
| 377 | } |
| 378 | else if (c == '\0') |
| 379 | /* [ (unterminated) loses. */ |
| 380 | return FNM_NOMATCH; |
| 381 | else |
| 382 | { |
| 383 | normal_bracket: |
| 384 | if (FOLD (c) == fn) |
| 385 | goto matched; |
| 386 | |
| 387 | cold = c; |
| 388 | c = *p++; |
| 389 | |
| 390 | if (c == '-' && *p != ']') |
| 391 | { |
| 392 | /* It is a range. */ |
| 393 | unsigned char cend = *p++; |
| 394 | if (!(flags & FNM_NOESCAPE) && cend == '\\') |
| 395 | cend = *p++; |
| 396 | if (cend == '\0') |
| 397 | return FNM_NOMATCH; |
| 398 | |
| 399 | if (cold <= fn && fn <= FOLD (cend)) |
| 400 | goto matched; |
| 401 | |
| 402 | c = *p++; |
| 403 | } |
| 404 | } |
| 405 | |
| 406 | if (c == ']') |
| 407 | break; |
| 408 | } |
| 409 | |
| 410 | if (!not) |
| 411 | return FNM_NOMATCH; |
| 412 | break; |
| 413 | |
| 414 | matched: |
| 415 | /* Skip the rest of the [...] that already matched. */ |
| 416 | while (c != ']') |
| 417 | { |
| 418 | if (c == '\0') |
| 419 | /* [... (unterminated) loses. */ |
| 420 | return FNM_NOMATCH; |
| 421 | |
| 422 | c = *p++; |
| 423 | if (!(flags & FNM_NOESCAPE) && c == '\\') |
| 424 | { |
| 425 | if (*p == '\0') |
| 426 | return FNM_NOMATCH; |
| 427 | /* XXX 1003.2d11 is unclear if this is right. */ |
| 428 | ++p; |
| 429 | } |
| 430 | else if (c == '[' && *p == ':') |
| 431 | { |
| 432 | do |
| 433 | if (*++p == '\0') |
| 434 | return FNM_NOMATCH; |
| 435 | while (*p != ':' || p[1] == ']'); |
| 436 | p += 2; |
| 437 | c = *p; |
| 438 | } |
| 439 | } |
| 440 | if (not) |
| 441 | return FNM_NOMATCH; |
| 442 | } |
| 443 | break; |
| 444 | |
| 445 | default: |
| 446 | if (c != FOLD ((unsigned char) *n)) |
| 447 | return FNM_NOMATCH; |
| 448 | } |
| 449 | |
| 450 | ++n; |
| 451 | } |
| 452 | |
| 453 | if (*n == '\0') |
| 454 | return 0; |
| 455 | |
| 456 | if ((flags & FNM_LEADING_DIR) && *n == '/') |
| 457 | /* The FNM_LEADING_DIR flag says that "foo*" matches "foobar/frobozz". */ |
| 458 | return 0; |
| 459 | |
| 460 | return FNM_NOMATCH; |
| 461 | |
| 462 | # undef FOLD |
| 463 | } |
| 464 | |
| 465 | |
| 466 | int |
| 467 | fnmatch (pattern, string, flags) |
| 468 | const char *pattern; |
| 469 | const char *string; |
| 470 | int flags; |
| 471 | { |
| 472 | return internal_fnmatch (pattern, string, flags & FNM_PERIOD, flags); |
| 473 | } |
| 474 | |
| 475 | #endif /* _LIBC or not __GNU_LIBRARY__. */ |
| 476 | /* ----- END glibc-2.1.2 posix/fnmatch.c */ |
| 477 | |
| 478 | #else /* HAVE_FNMATCH */ |
| 479 | void fnmatch_dummy(void) {} |
| 480 | #endif |