1 /* Copyright (C) 1991,1992,1993,1996,1997,1998,1999,2000,2001,2002,2003,2007
2 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
24 /* Enable GNU extensions in fnmatch.h. */
26 # define _GNU_SOURCE 1
34 #if HAVE_STRING_H || defined _LIBC
40 #if defined STDC_HEADERS || defined _LIBC
44 /* For platform which support the ISO C amendement 1 functionality we
45 support user defined character classes. */
46 #if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H)
47 /* Solaris 2.5 has a bug: <wchar.h> must be included before <wctype.h>. */
52 /* We need some of the locale data (the collation sequence information)
53 but there is no interface to get this information in general. Therefore
54 we support a correct implementation only in glibc. */
56 # include "../locale/localeinfo.h"
57 # include "../locale/elem-hash.h"
58 # include "../locale/coll-lookup.h"
59 # include <shlib-compat.h>
61 # define CONCAT(a,b) __CONCAT(a,b)
62 # define mbsrtowcs __mbsrtowcs
63 # define fnmatch __fnmatch
64 extern int fnmatch (const char *pattern, const char *string, int flags);
67 /* We often have to test for FNM_FILE_NAME and FNM_PERIOD being both set. */
68 #define NO_LEADING_PERIOD(flags) \
69 ((flags & (FNM_FILE_NAME | FNM_PERIOD)) == (FNM_FILE_NAME | FNM_PERIOD))
71 /* Comment out all this code if we are using the GNU C Library, and are not
72 actually compiling the library itself. This code is part of the GNU C
73 Library, but also included in many other GNU distributions. Compiling
74 and linking in this code is a waste when using the GNU C library
75 (especially if it is a shared library). Rather than having every GNU
76 program understand `configure --with-gnu-libc' and omit the object files,
77 it is simpler to just do this in the source for each such file. */
79 #if defined _LIBC || !defined __GNU_LIBRARY__
82 # if defined STDC_HEADERS || !defined isascii
85 # define ISASCII(c) isascii(c)
89 # define ISBLANK(c) (ISASCII (c) && isblank (c))
91 # define ISBLANK(c) ((c) == ' ' || (c) == '\t')
94 # define ISGRAPH(c) (ISASCII (c) && isgraph (c))
96 # define ISGRAPH(c) (ISASCII (c) && isprint (c) && !isspace (c))
99 # define ISPRINT(c) (ISASCII (c) && isprint (c))
100 # define ISDIGIT(c) (ISASCII (c) && isdigit (c))
101 # define ISALNUM(c) (ISASCII (c) && isalnum (c))
102 # define ISALPHA(c) (ISASCII (c) && isalpha (c))
103 # define ISCNTRL(c) (ISASCII (c) && iscntrl (c))
104 # define ISLOWER(c) (ISASCII (c) && islower (c))
105 # define ISPUNCT(c) (ISASCII (c) && ispunct (c))
106 # define ISSPACE(c) (ISASCII (c) && isspace (c))
107 # define ISUPPER(c) (ISASCII (c) && isupper (c))
108 # define ISXDIGIT(c) (ISASCII (c) && isxdigit (c))
110 # define STREQ(s1, s2) ((strcmp (s1, s2) == 0))
112 # if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H)
113 /* The GNU C library provides support for user-defined character classes
114 and the functions from ISO C amendement 1. */
115 # ifdef CHARCLASS_NAME_MAX
116 # define CHAR_CLASS_MAX_LENGTH CHARCLASS_NAME_MAX
118 /* This shouldn't happen but some implementation might still have this
119 problem. Use a reasonable default value. */
120 # define CHAR_CLASS_MAX_LENGTH 256
124 # define IS_CHAR_CLASS(string) __wctype (string)
126 # define IS_CHAR_CLASS(string) wctype (string)
130 # define ISWCTYPE(WC, WT) __iswctype (WC, WT)
132 # define ISWCTYPE(WC, WT) iswctype (WC, WT)
135 # if (HAVE_MBSTATE_T && HAVE_MBSRTOWCS) || _LIBC
136 /* In this case we are implementing the multibyte character handling. */
137 # define HANDLE_MULTIBYTE 1
141 # define CHAR_CLASS_MAX_LENGTH 6 /* Namely, `xdigit'. */
143 # define IS_CHAR_CLASS(string) \
144 (STREQ (string, "alpha") || STREQ (string, "upper") \
145 || STREQ (string, "lower") || STREQ (string, "digit") \
146 || STREQ (string, "alnum") || STREQ (string, "xdigit") \
147 || STREQ (string, "space") || STREQ (string, "print") \
148 || STREQ (string, "punct") || STREQ (string, "graph") \
149 || STREQ (string, "cntrl") || STREQ (string, "blank"))
152 /* Avoid depending on library functions or files
153 whose names are inconsistent. */
155 # if !defined _LIBC && !defined getenv
156 extern char *getenv ();
163 /* Global variable. */
164 static int posixly_correct;
166 /* This function doesn't exist on most systems. */
168 # if !defined HAVE___STRCHRNUL && !defined _LIBC
174 char *result = strchr (s, c);
176 result = strchr (s, '\0');
181 # if HANDLE_MULTIBYTE && !defined HAVE___STRCHRNUL && !defined _LIBC
187 wchar_t *result = wcschr (s, c);
189 result = wcschr (s, '\0');
194 # ifndef internal_function
195 /* Inside GNU libc we mark some function in a special way. In other
196 environments simply ignore the marking. */
197 # define internal_function
200 /* Note that this evaluates C many times. */
202 # define FOLD(c) ((flags & FNM_CASEFOLD) ? tolower (c) : (c))
204 # define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER (c) ? tolower (c) : (c))
207 # define UCHAR unsigned char
209 # define FCT internal_fnmatch
210 # define EXT ext_match
211 # define END end_pattern
212 # define STRUCT fnmatch_struct
215 # define BTOWC(C) __btowc (C)
217 # define BTOWC(C) btowc (C)
219 # define STRLEN(S) strlen (S)
220 # define STRCAT(D, S) strcat (D, S)
221 # define MEMPCPY(D, S, N) __mempcpy (D, S, N)
222 # define MEMCHR(S, C, N) memchr (S, C, N)
223 # define STRCOLL(S1, S2) strcoll (S1, S2)
224 # include "fnmatch_loop.c"
227 # if HANDLE_MULTIBYTE
228 /* Note that this evaluates C many times. */
230 # define FOLD(c) ((flags & FNM_CASEFOLD) ? towlower (c) : (c))
232 # define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER (c) ? towlower (c) : (c))
234 # define CHAR wchar_t
235 # define UCHAR wint_t
237 # define FCT internal_fnwmatch
238 # define EXT ext_wmatch
239 # define END end_wpattern
240 # define STRUCT fnwmatch_struct
242 # define BTOWC(C) (C)
243 # define STRLEN(S) __wcslen (S)
244 # define STRCAT(D, S) __wcscat (D, S)
245 # define MEMPCPY(D, S, N) __wmempcpy (D, S, N)
246 # define MEMCHR(S, C, N) wmemchr (S, C, N)
247 # define STRCOLL(S1, S2) wcscoll (S1, S2)
248 # define WIDE_CHAR_VERSION 1
250 # undef IS_CHAR_CLASS
251 /* We have to convert the wide character string in a multibyte string. But
252 we know that the character class names consist of alphanumeric characters
253 from the portable character set, and since the wide character encoding
254 for a member of the portable character set is the same code point as
255 its single-byte encoding, we can use a simplified method to convert the
256 string to a multibyte character string. */
258 is_char_class (const wchar_t *wcs)
260 char s[CHAR_CLASS_MAX_LENGTH + 1];
265 /* Test for a printable character from the portable character set. */
267 if (*wcs < 0x20 || *wcs > 0x7e
268 || *wcs == 0x24 || *wcs == 0x40 || *wcs == 0x60)
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'+': case L',': case L'-': case L'.': case L'/':
276 case L'0': case L'1': case L'2': case L'3': case L'4':
277 case L'5': case L'6': case L'7': case L'8': case L'9':
278 case L':': case L';': case L'<': case L'=': case L'>':
280 case L'A': case L'B': case L'C': case L'D': case L'E':
281 case L'F': case L'G': case L'H': case L'I': case L'J':
282 case L'K': case L'L': case L'M': case L'N': case L'O':
283 case L'P': case L'Q': case L'R': case L'S': case L'T':
284 case L'U': case L'V': case L'W': case L'X': case L'Y':
286 case L'[': case L'\\': case L']': case L'^': case L'_':
287 case L'a': case L'b': case L'c': case L'd': case L'e':
288 case L'f': case L'g': case L'h': case L'i': case L'j':
289 case L'k': case L'l': case L'm': case L'n': case L'o':
290 case L'p': case L'q': case L'r': case L's': case L't':
291 case L'u': case L'v': case L'w': case L'x': case L'y':
292 case L'z': case L'{': case L'|': case L'}': case L'~':
299 /* Avoid overrunning the buffer. */
300 if (cp == s + CHAR_CLASS_MAX_LENGTH)
303 *cp++ = (char) *wcs++;
305 while (*wcs != L'\0');
315 # define IS_CHAR_CLASS(string) is_char_class (string)
317 # include "fnmatch_loop.c"
322 fnmatch (pattern, string, flags)
327 # if HANDLE_MULTIBYTE
328 if (__builtin_expect (MB_CUR_MAX, 1) != 1)
336 /* Convert the strings into wide characters. */
337 memset (&ps, '\0', sizeof (ps));
340 n = strnlen (pattern, 1024);
342 n = strlen (pattern);
344 if (__builtin_expect (n < 1024, 1))
346 wpattern = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t));
347 n = mbsrtowcs (wpattern, &p, n + 1, &ps);
348 if (__builtin_expect (n == (size_t) -1, 0))
350 XXX Do we have to set `errno' to something which mbsrtows hasn't
355 memset (&ps, '\0', sizeof (ps));
356 goto prepare_wpattern;
362 n = mbsrtowcs (NULL, &pattern, 0, &ps);
363 if (__builtin_expect (n == (size_t) -1, 0))
365 XXX Do we have to set `errno' to something which mbsrtows hasn't
368 wpattern = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t));
369 assert (mbsinit (&ps));
370 (void) mbsrtowcs (wpattern, &pattern, n + 1, &ps);
373 assert (mbsinit (&ps));
375 n = strnlen (string, 1024);
380 if (__builtin_expect (n < 1024, 1))
382 wstring = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t));
383 n = mbsrtowcs (wstring, &p, n + 1, &ps);
384 if (__builtin_expect (n == (size_t) -1, 0))
386 XXX Do we have to set `errno' to something which mbsrtows hasn't
391 memset (&ps, '\0', sizeof (ps));
392 goto prepare_wstring;
398 n = mbsrtowcs (NULL, &string, 0, &ps);
399 if (__builtin_expect (n == (size_t) -1, 0))
401 XXX Do we have to set `errno' to something which mbsrtows hasn't
404 wstring = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t));
405 assert (mbsinit (&ps));
406 (void) mbsrtowcs (wstring, &string, n + 1, &ps);
409 return internal_fnwmatch (wpattern, wstring, wstring + n,
410 flags & FNM_PERIOD, flags, NULL);
412 # endif /* mbstate_t and mbsrtowcs or _LIBC. */
414 return internal_fnmatch (pattern, string, string + strlen (string),
415 flags & FNM_PERIOD, flags, NULL);
420 versioned_symbol (libc, __fnmatch, fnmatch, GLIBC_2_2_3);
421 # if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_2_3)
422 strong_alias (__fnmatch, __fnmatch_old)
423 compat_symbol (libc, __fnmatch_old, fnmatch, GLIBC_2_0);
425 libc_hidden_ver (__fnmatch, fnmatch)
428 #endif /* _LIBC or not __GNU_LIBRARY__. */