1 /* Copyright (C) 1991,1992,1993,1996,1997,1998,1999,2000,2001,2002,2003,2004
2 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software Foundation,
16 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
22 /* Enable GNU extensions in fnmatch.h. */
24 # define _GNU_SOURCE 1
28 # define alloca __builtin_alloca
29 # define HAVE_ALLOCA 1
31 # if defined HAVE_ALLOCA_H || defined _LIBC
44 #if ! defined __builtin_expect && __GNUC__ < 3
45 # define __builtin_expect(expr, expected) (expr)
57 #define WIDE_CHAR_SUPPORT (HAVE_WCTYPE_H && HAVE_WCHAR_H && HAVE_BTOWC)
59 /* For platform which support the ISO C amendement 1 functionality we
60 support user defined character classes. */
61 #if defined _LIBC || WIDE_CHAR_SUPPORT
62 /* Solaris 2.5 has a bug: <wchar.h> must be included before <wctype.h>. */
67 /* We need some of the locale data (the collation sequence information)
68 but there is no interface to get this information in general. Therefore
69 we support a correct implementation only in glibc. */
71 # include "../locale/localeinfo.h"
72 # include "../locale/elem-hash.h"
73 # include "../locale/coll-lookup.h"
74 # include <shlib-compat.h>
76 # define CONCAT(a,b) __CONCAT(a,b)
77 # define mbsrtowcs __mbsrtowcs
78 # define fnmatch __fnmatch
79 extern int fnmatch (const char *pattern, const char *string, int flags);
83 # define SIZE_MAX ((size_t) -1)
86 /* We often have to test for FNM_FILE_NAME and FNM_PERIOD being both set. */
87 #define NO_LEADING_PERIOD(flags) \
88 ((flags & (FNM_FILE_NAME | FNM_PERIOD)) == (FNM_FILE_NAME | FNM_PERIOD))
90 /* Comment out all this code if we are using the GNU C Library, and are not
91 actually compiling the library itself, and have not detected a bug
92 in the library. This code is part of the GNU C
93 Library, but also included in many other GNU distributions. Compiling
94 and linking in this code is a waste when using the GNU C library
95 (especially if it is a shared library). Rather than having every GNU
96 program understand `configure --with-gnu-libc' and omit the object files,
97 it is simpler to just do this in the source for each such file. */
99 #if defined _LIBC || !defined __GNU_LIBRARY__ || !HAVE_FNMATCH_GNU
102 # if defined STDC_HEADERS || !defined isascii
103 # define ISASCII(c) 1
105 # define ISASCII(c) isascii(c)
109 # define ISBLANK(c) (ISASCII (c) && isblank (c))
111 # define ISBLANK(c) ((c) == ' ' || (c) == '\t')
114 # define ISGRAPH(c) (ISASCII (c) && isgraph (c))
116 # define ISGRAPH(c) (ISASCII (c) && isprint (c) && !isspace (c))
119 # define ISPRINT(c) (ISASCII (c) && isprint (c))
120 # define ISDIGIT(c) (ISASCII (c) && isdigit (c))
121 # define ISALNUM(c) (ISASCII (c) && isalnum (c))
122 # define ISALPHA(c) (ISASCII (c) && isalpha (c))
123 # define ISCNTRL(c) (ISASCII (c) && iscntrl (c))
124 # define ISLOWER(c) (ISASCII (c) && islower (c))
125 # define ISPUNCT(c) (ISASCII (c) && ispunct (c))
126 # define ISSPACE(c) (ISASCII (c) && isspace (c))
127 # define ISUPPER(c) (ISASCII (c) && isupper (c))
128 # define ISXDIGIT(c) (ISASCII (c) && isxdigit (c))
130 # define STREQ(s1, s2) ((strcmp (s1, s2) == 0))
132 # if defined _LIBC || WIDE_CHAR_SUPPORT
133 /* The GNU C library provides support for user-defined character classes
134 and the functions from ISO C amendement 1. */
135 # ifdef CHARCLASS_NAME_MAX
136 # define CHAR_CLASS_MAX_LENGTH CHARCLASS_NAME_MAX
138 /* This shouldn't happen but some implementation might still have this
139 problem. Use a reasonable default value. */
140 # define CHAR_CLASS_MAX_LENGTH 256
144 # define IS_CHAR_CLASS(string) __wctype (string)
146 # define IS_CHAR_CLASS(string) wctype (string)
150 # define ISWCTYPE(WC, WT) __iswctype (WC, WT)
152 # define ISWCTYPE(WC, WT) iswctype (WC, WT)
155 # if (HAVE_MBSTATE_T && HAVE_MBSRTOWCS) || _LIBC
156 /* In this case we are implementing the multibyte character handling. */
157 # define HANDLE_MULTIBYTE 1
161 # define CHAR_CLASS_MAX_LENGTH 6 /* Namely, `xdigit'. */
163 # define IS_CHAR_CLASS(string) \
164 (STREQ (string, "alpha") || STREQ (string, "upper") \
165 || STREQ (string, "lower") || STREQ (string, "digit") \
166 || STREQ (string, "alnum") || STREQ (string, "xdigit") \
167 || STREQ (string, "space") || STREQ (string, "print") \
168 || STREQ (string, "punct") || STREQ (string, "graph") \
169 || STREQ (string, "cntrl") || STREQ (string, "blank"))
172 /* Avoid depending on library functions or files
173 whose names are inconsistent. */
179 /* Global variable. */
180 static int posixly_correct;
182 # ifndef internal_function
183 /* Inside GNU libc we mark some function in a special way. In other
184 environments simply ignore the marking. */
185 # define internal_function
188 /* Note that this evaluates C many times. */
190 # define FOLD(c) ((flags & FNM_CASEFOLD) ? tolower (c) : (c))
192 # define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER (c) ? tolower (c) : (c))
195 # define UCHAR unsigned char
197 # define FCT internal_fnmatch
198 # define EXT ext_match
199 # define END end_pattern
202 # define BTOWC(C) __btowc (C)
204 # define BTOWC(C) btowc (C)
206 # define STRLEN(S) strlen (S)
207 # define STRCAT(D, S) strcat (D, S)
209 # define MEMPCPY(D, S, N) __mempcpy (D, S, N)
212 # define MEMPCPY(D, S, N) mempcpy (D, S, N)
214 # define MEMPCPY(D, S, N) ((void *) ((char *) memcpy (D, S, N) + (N)))
217 # define MEMCHR(S, C, N) memchr (S, C, N)
218 # define STRCOLL(S1, S2) strcoll (S1, S2)
219 # include "fnmatch_loop.c"
222 # if HANDLE_MULTIBYTE
223 # define FOLD(c) ((flags & FNM_CASEFOLD) ? towlower (c) : (c))
224 # define CHAR wchar_t
225 # define UCHAR wint_t
227 # define FCT internal_fnwmatch
228 # define EXT ext_wmatch
229 # define END end_wpattern
231 # define BTOWC(C) (C)
233 # define STRLEN(S) __wcslen (S)
234 # define STRCAT(D, S) __wcscat (D, S)
235 # define MEMPCPY(D, S, N) __wmempcpy (D, S, N)
237 # define STRLEN(S) wcslen (S)
238 # define STRCAT(D, S) wcscat (D, S)
240 # define MEMPCPY(D, S, N) wmempcpy (D, S, N)
242 # define MEMPCPY(D, S, N) (wmemcpy (D, S, N) + (N))
245 # define MEMCHR(S, C, N) wmemchr (S, C, N)
246 # define STRCOLL(S1, S2) wcscoll (S1, S2)
247 # define WIDE_CHAR_VERSION 1
249 # undef IS_CHAR_CLASS
250 /* We have to convert the wide character string in a multibyte string. But
251 we know that the character class names consist of alphanumeric characters
252 from the portable character set, and since the wide character encoding
253 for a member of the portable character set is the same code point as
254 its single-byte encoding, we can use a simplified method to convert the
255 string to a multibyte character string. */
257 is_char_class (const wchar_t *wcs)
259 char s[CHAR_CLASS_MAX_LENGTH + 1];
264 /* Test for a printable character from the portable character set. */
266 if (*wcs < 0x20 || *wcs > 0x7e
267 || *wcs == 0x24 || *wcs == 0x40 || *wcs == 0x60)
272 case L' ': case L'!': case L'"': case L'#': case L'%':
273 case L'&': case L'\'': case L'(': case L')': case L'*':
274 case L'+': case L',': case L'-': case L'.': case L'/':
275 case L'0': case L'1': case L'2': case L'3': case L'4':
276 case L'5': case L'6': case L'7': case L'8': case L'9':
277 case L':': case L';': case L'<': case L'=': case L'>':
279 case L'A': case L'B': case L'C': case L'D': case L'E':
280 case L'F': case L'G': case L'H': case L'I': case L'J':
281 case L'K': case L'L': case L'M': case L'N': case L'O':
282 case L'P': case L'Q': case L'R': case L'S': case L'T':
283 case L'U': case L'V': case L'W': case L'X': case L'Y':
285 case L'[': case L'\\': case L']': case L'^': case L'_':
286 case L'a': case L'b': case L'c': case L'd': case L'e':
287 case L'f': case L'g': case L'h': case L'i': case L'j':
288 case L'k': case L'l': case L'm': case L'n': case L'o':
289 case L'p': case L'q': case L'r': case L's': case L't':
290 case L'u': case L'v': case L'w': case L'x': case L'y':
291 case L'z': case L'{': case L'|': case L'}': case L'~':
298 /* Avoid overrunning the buffer. */
299 if (cp == s + CHAR_CLASS_MAX_LENGTH)
302 *cp++ = (char) *wcs++;
304 while (*wcs != L'\0');
314 # define IS_CHAR_CLASS(string) is_char_class (string)
316 # include "fnmatch_loop.c"
321 fnmatch (const char *pattern, const char *string, int flags)
323 # if HANDLE_MULTIBYTE
324 # define ALLOCA_LIMIT 2000
325 if (__builtin_expect (MB_CUR_MAX, 1) != 1)
335 /* Calculate the size needed to convert the strings to
337 memset (&ps, '\0', sizeof (ps));
338 patsize = mbsrtowcs (NULL, &pattern, 0, &ps) + 1;
339 if (__builtin_expect (patsize == 0, 0))
341 XXX Do we have to set `errno' to something which mbsrtows hasn't
344 assert (mbsinit (&ps));
345 strsize = mbsrtowcs (NULL, &string, 0, &ps) + 1;
346 if (__builtin_expect (strsize == 0, 0))
348 XXX Do we have to set `errno' to something which mbsrtows hasn't
351 assert (mbsinit (&ps));
352 totsize = patsize + strsize;
353 if (__builtin_expect (! (patsize <= totsize
354 && totsize <= SIZE_MAX / sizeof (wchar_t)),
361 /* Allocate room for the wide characters. */
362 if (__builtin_expect (totsize < ALLOCA_LIMIT, 1))
363 wpattern = (wchar_t *) alloca (totsize * sizeof (wchar_t));
366 wpattern = malloc (totsize * sizeof (wchar_t));
367 if (__builtin_expect (! wpattern, 0))
373 wstring = wpattern + patsize;
375 /* Convert the strings into wide characters. */
376 mbsrtowcs (wpattern, &pattern, patsize, &ps);
377 assert (mbsinit (&ps));
378 mbsrtowcs (wstring, &string, strsize, &ps);
380 res = internal_fnwmatch (wpattern, wstring, wstring + strsize - 1,
381 flags & FNM_PERIOD, flags);
383 if (__builtin_expect (! (totsize < ALLOCA_LIMIT), 0))
387 # endif /* HANDLE_MULTIBYTE */
389 return internal_fnmatch (pattern, string, string + strlen (string),
390 flags & FNM_PERIOD, flags);
395 versioned_symbol (libc, __fnmatch, fnmatch, GLIBC_2_2_3);
396 # if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_2_3)
397 strong_alias (__fnmatch, __fnmatch_old)
398 compat_symbol (libc, __fnmatch_old, fnmatch, GLIBC_2_0);
400 libc_hidden_ver (__fnmatch, fnmatch)
403 #endif /* _LIBC or not __GNU_LIBRARY__. */