1 /* Copyright (C) 1991-1993,1996-1999,2000,2001 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library 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 GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
23 /* Enable GNU extensions in fnmatch.h. */
25 # define _GNU_SOURCE 1
37 #if HAVE_STRING_H || defined _LIBC
43 #if defined STDC_HEADERS || defined _LIBC
47 /* For platform which support the ISO C amendement 1 functionality we
48 support user defined character classes. */
49 #if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H)
50 /* Solaris 2.5 has a bug: <wchar.h> must be included before <wctype.h>. */
55 #if defined(WIN32) && defined(HAVE_WCHAR_H)
59 /* We need some of the locale data (the collation sequence information)
60 but there is no interface to get this information in general. Therefore
61 we support a correct implementation only in glibc. */
63 # include "../locale/localeinfo.h"
64 # include "../locale/elem-hash.h"
65 # include "../locale/coll-lookup.h"
66 # include <shlib-compat.h>
68 # define CONCAT(a,b) __CONCAT(a,b)
69 # define mbsinit __mbsinit
70 # define mbsrtowcs __mbsrtowcs
71 # define fnmatch __fnmatch
72 extern int fnmatch (const char *pattern, const char *string, int flags);
75 /* We often have to test for FNM_FILE_NAME and FNM_PERIOD being both set. */
76 #define NO_LEADING_PERIOD(flags) \
77 ((flags & (FNM_FILE_NAME | FNM_PERIOD)) == (FNM_FILE_NAME | FNM_PERIOD))
79 /* Comment out all this code if we are using the GNU C Library, and are not
80 actually compiling the library itself. This code is part of the GNU C
81 Library, but also included in many other GNU distributions. Compiling
82 and linking in this code is a waste when using the GNU C library
83 (especially if it is a shared library). Rather than having every GNU
84 program understand `configure --with-gnu-libc' and omit the object files,
85 it is simpler to just do this in the source for each such file. */
87 #if defined _LIBC || !defined __GNU_LIBRARY__
90 # if defined STDC_HEADERS || !defined isascii
93 # define ISASCII(c) isascii(c)
97 # define ISBLANK(c) (ISASCII (c) && isblank (c))
99 # define ISBLANK(c) ((c) == ' ' || (c) == '\t')
102 # define ISGRAPH(c) (ISASCII (c) && isgraph (c))
104 # define ISGRAPH(c) (ISASCII (c) && isprint (c) && !isspace (c))
107 # define ISPRINT(c) (ISASCII (c) && isprint (c))
108 # define ISDIGIT(c) (ISASCII (c) && isdigit (c))
109 # define ISALNUM(c) (ISASCII (c) && isalnum (c))
110 # define ISALPHA(c) (ISASCII (c) && isalpha (c))
111 # define ISCNTRL(c) (ISASCII (c) && iscntrl (c))
112 # define ISLOWER(c) (ISASCII (c) && islower (c))
113 # define ISPUNCT(c) (ISASCII (c) && ispunct (c))
114 # define ISSPACE(c) (ISASCII (c) && isspace (c))
115 # define ISUPPER(c) (ISASCII (c) && isupper (c))
116 # define ISXDIGIT(c) (ISASCII (c) && isxdigit (c))
118 # define STREQ(s1, s2) ((strcmp (s1, s2) == 0))
120 # if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H)
121 /* The GNU C library provides support for user-defined character classes
122 and the functions from ISO C amendement 1. */
123 # ifdef CHARCLASS_NAME_MAX
124 # define CHAR_CLASS_MAX_LENGTH CHARCLASS_NAME_MAX
126 /* This shouldn't happen but some implementation might still have this
127 problem. Use a reasonable default value. */
128 # define CHAR_CLASS_MAX_LENGTH 256
132 # define IS_CHAR_CLASS(string) __wctype (string)
134 # define IS_CHAR_CLASS(string) wctype (string)
138 # define ISWCTYPE(WC, WT) __iswctype (WC, WT)
140 # define ISWCTYPE(WC, WT) iswctype (WC, WT)
143 # if (HAVE_MBSTATE_T && HAVE_MBSRTOWCS) || _LIBC
144 /* In this case we are implementing the multibyte character handling. */
145 # define HANDLE_MULTIBYTE 1
149 # define CHAR_CLASS_MAX_LENGTH 6 /* Namely, `xdigit'. */
151 # define IS_CHAR_CLASS(string) \
152 (STREQ (string, "alpha") || STREQ (string, "upper") \
153 || STREQ (string, "lower") || STREQ (string, "digit") \
154 || STREQ (string, "alnum") || STREQ (string, "xdigit") \
155 || STREQ (string, "space") || STREQ (string, "print") \
156 || STREQ (string, "punct") || STREQ (string, "graph") \
157 || STREQ (string, "cntrl") || STREQ (string, "blank"))
160 /* Avoid depending on library functions or files
161 whose names are inconsistent. */
163 # if !defined _LIBC && !defined getenv
164 extern char *getenv ();
171 /* Global variable. */
172 static int posixly_correct;
174 /* This function doesn't exist on most systems. */
176 # if !defined HAVE___STRCHRNUL && !defined _LIBC
182 char *result = strchr (s, c);
184 result = strchr (s, '\0');
189 # if HANDLE_MULTIBYTE && !defined HAVE___STRCHRNUL && !defined _LIBC
195 wchar_t *result = wcschr (s, c);
197 result = wcschr (s, '\0');
202 # ifndef internal_function
203 /* Inside GNU libc we mark some function in a special way. In other
204 environments simply ignore the marking. */
205 # define internal_function
208 /* Note that this evaluates C many times. */
210 # define FOLD(c) ((flags & FNM_CASEFOLD) ? tolower (c) : (c))
212 # define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER (c) ? tolower (c) : (c))
215 # define UCHAR unsigned char
217 # define FCT internal_fnmatch
218 # define EXT ext_match
219 # define END end_pattern
222 # define BTOWC(C) __btowc (C)
224 # define BTOWC(C) btowc (C)
226 # define STRLEN(S) strlen (S)
227 # define STRCAT(D, S) strcat (D, S)
229 # define MEMPCPY(D, S, N) memcpy (D, S, N)
231 # define MEMPCPY(D, S, N) __mempcpy (D, S, N)
233 # define MEMCHR(S, C, N) memchr (S, C, N)
234 # define STRCOLL(S1, S2) strcoll (S1, S2)
235 # include "fnmatch_loop.c"
238 # if HANDLE_MULTIBYTE
239 /* Note that this evaluates C many times. */
241 # define FOLD(c) ((flags & FNM_CASEFOLD) ? towlower (c) : (c))
243 # define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER (c) ? towlower (c) : (c))
245 # define CHAR wchar_t
246 # define UCHAR wint_t
248 # define FCT internal_fnwmatch
249 # define EXT ext_wmatch
250 # define END end_wpattern
252 # define BTOWC(C) (C)
253 # define STRLEN(S) __wcslen (S)
254 # define STRCAT(D, S) __wcscat (D, S)
255 # define MEMPCPY(D, S, N) __wmempcpy (D, S, N)
256 # define MEMCHR(S, C, N) wmemchr (S, C, N)
257 # define STRCOLL(S1, S2) wcscoll (S1, S2)
258 # define WIDE_CHAR_VERSION 1
260 # undef IS_CHAR_CLASS
261 /* We have to convert the wide character string in a multibyte string. But
262 we know that the character class names consist of alphanumeric characters
263 from the portable character set, and since the wide character encoding
264 for a member of the portable character set is the same code point as
265 its single-byte encoding, we can use a simplified method to convert the
266 string to a multibyte character string. */
268 is_char_class (const wchar_t *wcs)
270 char s[CHAR_CLASS_MAX_LENGTH + 1];
275 /* Test for a printable character from the portable character set. */
277 if (*wcs < 0x20 || *wcs > 0x7e
278 || *wcs == 0x24 || *wcs == 0x40 || *wcs == 0x60)
283 case L' ': case L'!': case L'"': case L'#': case L'%':
284 case L'&': case L'\'': case L'(': case L')': case L'*':
285 case L'+': case L',': case L'-': case L'.': case L'/':
286 case L'0': case L'1': case L'2': case L'3': case L'4':
287 case L'5': case L'6': case L'7': case L'8': case L'9':
288 case L':': case L';': case L'<': case L'=': case L'>':
290 case L'A': case L'B': case L'C': case L'D': case L'E':
291 case L'F': case L'G': case L'H': case L'I': case L'J':
292 case L'K': case L'L': case L'M': case L'N': case L'O':
293 case L'P': case L'Q': case L'R': case L'S': case L'T':
294 case L'U': case L'V': case L'W': case L'X': case L'Y':
296 case L'[': case L'\\': case L']': case L'^': case L'_':
297 case L'a': case L'b': case L'c': case L'd': case L'e':
298 case L'f': case L'g': case L'h': case L'i': case L'j':
299 case L'k': case L'l': case L'm': case L'n': case L'o':
300 case L'p': case L'q': case L'r': case L's': case L't':
301 case L'u': case L'v': case L'w': case L'x': case L'y':
302 case L'z': case L'{': case L'|': case L'}': case L'~':
309 /* Avoid overrunning the buffer. */
310 if (cp == s + CHAR_CLASS_MAX_LENGTH)
313 *cp++ = (char) *wcs++;
315 while (*wcs != L'\0');
325 # define IS_CHAR_CLASS(string) is_char_class (string)
327 # include "fnmatch_loop.c"
332 fnmatch (pattern, string, flags)
337 # if HANDLE_MULTIBYTE
338 if (__builtin_expect (MB_CUR_MAX, 1) != 1)
345 /* Convert the strings into wide characters. */
346 memset (&ps, '\0', sizeof (ps));
347 n = mbsrtowcs (NULL, &pattern, 0, &ps);
348 if (__builtin_expect (n, 0) == (size_t) -1)
350 XXX Do we have to set `errno' to something which mbsrtows hasn't
353 wpattern = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t));
354 assert (mbsinit (&ps));
355 (void) mbsrtowcs (wpattern, &pattern, n + 1, &ps);
357 assert (mbsinit (&ps));
358 n = mbsrtowcs (NULL, &string, 0, &ps);
359 if (__builtin_expect (n, 0) == (size_t) -1)
361 XXX Do we have to set `errno' to something which mbsrtows hasn't
364 wstring = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t));
365 assert (mbsinit (&ps));
366 (void) mbsrtowcs (wstring, &string, n + 1, &ps);
368 return internal_fnwmatch (wpattern, wstring, wstring + n,
369 flags & FNM_PERIOD, flags);
371 # endif /* mbstate_t and mbsrtowcs or _LIBC. */
373 return internal_fnmatch (pattern, string, string + strlen (string),
374 flags & FNM_PERIOD, flags);
379 versioned_symbol (libc, __fnmatch, fnmatch, GLIBC_2_2_3);
380 # if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_2_3)
381 strong_alias (__fnmatch, __fnmatch_old)
382 compat_symbol (libc, __fnmatch_old, fnmatch, GLIBC_2_0);
386 #endif /* _LIBC or not __GNU_LIBRARY__. */