1 /* Copyright (C) 1991,1992,1993,1996,1997,1998,1999,2000,2001,2002,2003
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 /* unistd.h must be included with _LIBC defined: we need smallint */
29 # define HAVE_STRING_H 1
31 # define HAVE___STRCHRNUL 1
32 # ifdef __UCLIBC_HAS_WCHAR__
33 # define HAVE_WCHAR_H 1
34 # define HAVE_WCTYPE_H 1
35 # ifdef __UCLIBC_HAS_LOCALE__
36 # define HAVE_MBSTATE_T 1
37 # define HAVE_MBSRTOWCS 1
47 #if HAVE_STRING_H || defined _LIBC
53 #if defined STDC_HEADERS || defined _LIBC
57 /* For platform which support the ISO C amendement 1 functionality we
58 support user defined character classes. */
59 #if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H)
60 /* Solaris 2.5 has a bug: <wchar.h> must be included before <wctype.h>. */
65 /* We need some of the locale data (the collation sequence information)
66 but there is no interface to get this information in general. Therefore
67 we support a correct implementation only in glibc. */
69 # include "../locale/localeinfo.h"
70 # include "../locale/elem-hash.h"
71 # include "../locale/coll-lookup.h"
72 # include <shlib-compat.h>
74 # define CONCAT(a,b) __CONCAT(a,b)
75 # define mbsrtowcs __mbsrtowcs
76 # define fnmatch __fnmatch
77 extern int fnmatch (const char *pattern, const char *string, int flags);
80 /* We often have to test for FNM_FILE_NAME and FNM_PERIOD being both set. */
81 #define NO_LEADING_PERIOD(flags) \
82 ((flags & (FNM_FILE_NAME | FNM_PERIOD)) == (FNM_FILE_NAME | FNM_PERIOD))
84 /* Comment out all this code if we are using the GNU C Library, and are not
85 actually compiling the library itself. This code is part of the GNU C
86 Library, but also included in many other GNU distributions. Compiling
87 and linking in this code is a waste when using the GNU C library
88 (especially if it is a shared library). Rather than having every GNU
89 program understand `configure --with-gnu-libc' and omit the object files,
90 it is simpler to just do this in the source for each such file. */
92 #if defined _LIBC || !defined __GNU_LIBRARY__
95 # if defined STDC_HEADERS || !defined isascii
98 # define ISASCII(c) isascii(c)
102 # define ISBLANK(c) (ISASCII (c) && isblank (c))
104 # define ISBLANK(c) ((c) == ' ' || (c) == '\t')
107 # define ISGRAPH(c) (ISASCII (c) && isgraph (c))
109 # define ISGRAPH(c) (ISASCII (c) && isprint (c) && !isspace (c))
112 # define ISPRINT(c) (ISASCII (c) && isprint (c))
113 # define ISDIGIT(c) (ISASCII (c) && isdigit (c))
114 # define ISALNUM(c) (ISASCII (c) && isalnum (c))
115 # define ISALPHA(c) (ISASCII (c) && isalpha (c))
116 # define ISCNTRL(c) (ISASCII (c) && iscntrl (c))
117 # define ISLOWER(c) (ISASCII (c) && islower (c))
118 # define ISPUNCT(c) (ISASCII (c) && ispunct (c))
119 # define ISSPACE(c) (ISASCII (c) && isspace (c))
120 # define ISUPPER(c) (ISASCII (c) && isupper (c))
121 # define ISXDIGIT(c) (ISASCII (c) && isxdigit (c))
123 # define STREQ(s1, s2) ((strcmp (s1, s2) == 0))
125 # if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H)
126 /* The GNU C library provides support for user-defined character classes
127 and the functions from ISO C amendement 1. */
128 # ifdef CHARCLASS_NAME_MAX
129 # define CHAR_CLASS_MAX_LENGTH CHARCLASS_NAME_MAX
131 /* This shouldn't happen but some implementation might still have this
132 problem. Use a reasonable default value. */
133 # define CHAR_CLASS_MAX_LENGTH 256
137 # define IS_CHAR_CLASS(string) __wctype (string)
139 # define IS_CHAR_CLASS(string) wctype (string)
143 # define ISWCTYPE(WC, WT) __iswctype (WC, WT)
145 # define ISWCTYPE(WC, WT) iswctype (WC, WT)
148 # if (HAVE_MBSTATE_T && HAVE_MBSRTOWCS) || _LIBC
149 /* In this case we are implementing the multibyte character handling. */
150 # define HANDLE_MULTIBYTE 1
154 # define CHAR_CLASS_MAX_LENGTH 6 /* Namely, `xdigit'. */
156 # define IS_CHAR_CLASS(string) \
157 (STREQ (string, "alpha") || STREQ (string, "upper") \
158 || STREQ (string, "lower") || STREQ (string, "digit") \
159 || STREQ (string, "alnum") || STREQ (string, "xdigit") \
160 || STREQ (string, "space") || STREQ (string, "print") \
161 || STREQ (string, "punct") || STREQ (string, "graph") \
162 || STREQ (string, "cntrl") || STREQ (string, "blank"))
165 /* Avoid depending on library functions or files
166 whose names are inconsistent. */
168 # if !defined _LIBC && !defined getenv && !defined __UCLIBC__
169 extern char *getenv ();
176 /* Global variable. */
177 static smallint posixly_correct;
179 /* This function doesn't exist on most systems. */
181 # if !defined HAVE___STRCHRNUL && !defined _LIBC
187 char *result = strchr (s, c);
189 result = strchr (s, '\0');
194 # if HANDLE_MULTIBYTE && !defined HAVE___STRCHRNUL && !defined _LIBC
200 wchar_t *result = wcschr (s, c);
202 result = wcschr (s, '\0');
207 # ifndef internal_function
208 /* Inside GNU libc we mark some function in a special way. In other
209 environments simply ignore the marking. */
210 # define internal_function
213 /* Note that this evaluates C many times. */
215 # define FOLD(c) ((flags & FNM_CASEFOLD) ? tolower (c) : (c))
217 # define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER (c) ? tolower (c) : (c))
220 # define UCHAR unsigned char
222 # define FCT internal_fnmatch
223 # define EXT ext_match
224 # define END end_pattern
227 # define BTOWC(C) __btowc (C)
229 # define BTOWC(C) btowc (C)
231 # define STRLEN(S) strlen (S)
232 # define STRCAT(D, S) strcat (D, S)
233 # define MEMPCPY(D, S, N) mempcpy (D, S, N)
234 # define MEMCHR(S, C, N) memchr (S, C, N)
235 # define STRCOLL(S1, S2) strcoll (S1, S2)
236 # include "fnmatch_loop.c"
239 # if HANDLE_MULTIBYTE
240 /* Note that this evaluates C many times. */
242 # define FOLD(c) ((flags & FNM_CASEFOLD) ? towlower (c) : (c))
244 # define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER (c) ? towlower (c) : (c))
246 # define CHAR wchar_t
247 # define UCHAR wint_t
249 # define FCT internal_fnwmatch
250 # define EXT ext_wmatch
251 # define END end_wpattern
253 # define BTOWC(C) (C)
254 # define STRLEN(S) wcslen (S)
255 # define STRCAT(D, S) wcscat (D, S)
256 # define MEMPCPY(D, S, N) wmempcpy (D, S, N)
257 # define MEMCHR(S, C, N) wmemchr (S, C, N)
258 # define STRCOLL(S1, S2) wcscoll (S1, S2)
260 # define WIDE_CHAR_VERSION 1
263 # undef IS_CHAR_CLASS
264 /* We have to convert the wide character string in a multibyte string. But
265 we know that the character class names consist of alphanumeric characters
266 from the portable character set, and since the wide character encoding
267 for a member of the portable character set is the same code point as
268 its single-byte encoding, we can use a simplified method to convert the
269 string to a multibyte character string. */
271 is_char_class (const wchar_t *wcs)
273 char s[CHAR_CLASS_MAX_LENGTH + 1];
278 /* Test for a printable character from the portable character set. */
279 # if defined _LIBC || defined __UCLIBC__
280 if (*wcs < 0x20 || *wcs > 0x7e
281 || *wcs == 0x24 || *wcs == 0x40 || *wcs == 0x60)
286 case L' ': case L'!': case L'"': case L'#': case L'%':
287 case L'&': case L'\'': case L'(': case L')': case L'*':
288 case L'+': case L',': case L'-': case L'.': case L'/':
289 case L'0': case L'1': case L'2': case L'3': case L'4':
290 case L'5': case L'6': case L'7': case L'8': case L'9':
291 case L':': case L';': case L'<': case L'=': case L'>':
293 case L'A': case L'B': case L'C': case L'D': case L'E':
294 case L'F': case L'G': case L'H': case L'I': case L'J':
295 case L'K': case L'L': case L'M': case L'N': case L'O':
296 case L'P': case L'Q': case L'R': case L'S': case L'T':
297 case L'U': case L'V': case L'W': case L'X': case L'Y':
299 case L'[': case L'\\': case L']': case L'^': case L'_':
300 case L'a': case L'b': case L'c': case L'd': case L'e':
301 case L'f': case L'g': case L'h': case L'i': case L'j':
302 case L'k': case L'l': case L'm': case L'n': case L'o':
303 case L'p': case L'q': case L'r': case L's': case L't':
304 case L'u': case L'v': case L'w': case L'x': case L'y':
305 case L'z': case L'{': case L'|': case L'}': case L'~':
312 /* Avoid overrunning the buffer. */
313 if (cp == s + CHAR_CLASS_MAX_LENGTH)
316 *cp++ = (char) *wcs++;
318 while (*wcs != L'\0');
328 # define IS_CHAR_CLASS(string) is_char_class (string)
330 # include "fnmatch_loop.c"
334 fnmatch (const char *pattern, const char *string, int flags)
336 # if HANDLE_MULTIBYTE
337 if (__builtin_expect (MB_CUR_MAX, 1) != 1)
342 wchar_t *wpattern = NULL;
343 wchar_t *wstring = NULL;
345 /* Convert the strings into wide characters. */
346 memset (&ps, '\0', sizeof (ps));
349 n = strnlen (pattern, 1024);
351 n = strlen (pattern);
353 if (__builtin_expect (n < 1024, 1))
355 wpattern = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t));
356 n = mbsrtowcs (wpattern, &p, n + 1, &ps);
357 if (__builtin_expect (n == (size_t) -1, 0))
359 XXX Do we have to set `errno' to something which mbsrtows hasn't
363 memset (&ps, '\0', sizeof (ps));
365 if (__builtin_expect (p != NULL, 0))
367 n = mbsrtowcs (NULL, &pattern, 0, &ps);
368 if (__builtin_expect (n == (size_t) -1, 0))
370 XXX Do we have to set `errno' to something which mbsrtows hasn't
373 wpattern = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t));
374 assert (mbsinit (&ps));
375 (void) mbsrtowcs (wpattern, &pattern, n + 1, &ps);
378 assert (mbsinit (&ps));
380 n = strnlen (string, 1024);
385 if (__builtin_expect (n < 1024, 1))
387 wstring = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t));
388 n = mbsrtowcs (wstring, &p, n + 1, &ps);
389 if (__builtin_expect (n == (size_t) -1, 0))
391 XXX Do we have to set `errno' to something which mbsrtows hasn't
395 memset (&ps, '\0', sizeof (ps));
397 if (__builtin_expect (p != NULL, 0))
399 n = mbsrtowcs (NULL, &string, 0, &ps);
400 if (__builtin_expect (n == (size_t) -1, 0))
402 XXX Do we have to set `errno' to something which mbsrtows hasn't
405 wstring = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t));
406 assert (mbsinit (&ps));
407 (void) mbsrtowcs (wstring, &string, n + 1, &ps);
410 return internal_fnwmatch (wpattern, wstring, wstring + n,
411 flags & FNM_PERIOD, flags);
413 # endif /* mbstate_t and mbsrtowcs or _LIBC. */
415 return internal_fnmatch (pattern, string, string + strlen (string),
416 flags & FNM_PERIOD, flags);
421 versioned_symbol (libc, __fnmatch, fnmatch, GLIBC_2_2_3);
422 # if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_2_3)
423 strong_alias (__fnmatch, __fnmatch_old)
424 compat_symbol (libc, __fnmatch_old, fnmatch, GLIBC_2_0);
426 libc_hidden_ver (__fnmatch, fnmatch)
428 libc_hidden_def(fnmatch)
431 #endif /* _LIBC or not __GNU_LIBRARY__. */