-/* Copyright (C) 1991-1993, 1996-1999, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
- This library is distributed in the hope that it will be useful,
+ The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with this library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
#if HAVE_CONFIG_H
# include <config.h>
#include <errno.h>
#include <fnmatch.h>
#include <ctype.h>
-
-#if HAVE_STRING_H || defined _LIBC
-# include <string.h>
-#else
-# include <strings.h>
-#endif
+#include <string.h>
#if defined STDC_HEADERS || defined _LIBC
# include <stdlib.h>
#endif
+#ifdef _LIBC
+# include <alloca.h>
+#else
+# define alloca_account(size., var) alloca (size)
+#endif
+
/* For platform which support the ISO C amendement 1 functionality we
support user defined character classes. */
#if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H)
# include <wctype.h>
#endif
+/* We need some of the locale data (the collation sequence information)
+ but there is no interface to get this information in general. Therefore
+ we support a correct implementation only in glibc. */
+#ifdef _LIBC
+# include "../locale/localeinfo.h"
+# include "../locale/elem-hash.h"
+# include "../locale/coll-lookup.h"
+# include <shlib-compat.h>
+
+# define CONCAT(a,b) __CONCAT(a,b)
+# define mbsrtowcs __mbsrtowcs
+# define fnmatch __fnmatch
+extern int fnmatch (const char *pattern, const char *string, int flags);
+#endif
+
+/* We often have to test for FNM_FILE_NAME and FNM_PERIOD being both set. */
+#define NO_LEADING_PERIOD(flags) \
+ ((flags & (FNM_FILE_NAME | FNM_PERIOD)) == (FNM_FILE_NAME | FNM_PERIOD))
+
/* Comment out all this code if we are using the GNU C Library, and are not
actually compiling the library itself. This code is part of the GNU C
Library, but also included in many other GNU distributions. Compiling
extern int errno;
# endif
+/* Global variable. */
+static int posixly_correct;
+
/* This function doesn't exist on most systems. */
# if !defined HAVE___STRCHRNUL && !defined _LIBC
# endif
# define CHAR char
# define UCHAR unsigned char
+# define INT int
# define FCT internal_fnmatch
+# define EXT ext_match
+# define END end_pattern
+# define STRUCT fnmatch_struct
# define L(CS) CS
# ifdef _LIBC
# define BTOWC(C) __btowc (C)
# else
# define BTOWC(C) btowc (C)
# endif
-# define STRCHR(S, C) strchr (S, C)
-# define STRCHRNUL(S, C) __strchrnul (S, C)
+# define STRLEN(S) strlen (S)
+# define STRCAT(D, S) strcat (D, S)
+# define MEMPCPY(D, S, N) __mempcpy (D, S, N)
+# define MEMCHR(S, C, N) memchr (S, C, N)
+# define STRCOLL(S1, S2) strcoll (S1, S2)
+# define WIDE_CHAR_VERSION 0
+# include <locale/weight.h>
+# define FINDIDX findidx
# include "fnmatch_loop.c"
# endif
# define CHAR wchar_t
# define UCHAR wint_t
+# define INT wint_t
# define FCT internal_fnwmatch
+# define EXT ext_wmatch
+# define END end_wpattern
+# define STRUCT fnwmatch_struct
# define L(CS) L##CS
# define BTOWC(C) (C)
-# define STRCHR(S, C) wcschr (S, C)
-# define STRCHRNUL(S, C) __wcschrnul (S, C)
+# define STRLEN(S) __wcslen (S)
+# define STRCAT(D, S) __wcscat (D, S)
+# define MEMPCPY(D, S, N) __wmempcpy (D, S, N)
+# define MEMCHR(S, C, N) wmemchr (S, C, N)
+# define STRCOLL(S1, S2) wcscoll (S1, S2)
+# define WIDE_CHAR_VERSION 1
+/* Change the name the header defines so it doesn't conflict with
+ the <locale/weight.h> version included above. */
+# define findidx findidxwc
+# include <locale/weightwc.h>
+# undef findidx
+# define FINDIDX findidxwc
# undef IS_CHAR_CLASS
-# ifdef _LIBC
/* We have to convert the wide character string in a multibyte string. But
- we know that the character class names are ASCII strings and since the
- internal wide character encoding is UCS4 we can use a simplified method
- to convert the string to a multibyte character string. */
+ we know that the character class names consist of alphanumeric characters
+ from the portable character set, and since the wide character encoding
+ for a member of the portable character set is the same code point as
+ its single-byte encoding, we can use a simplified method to convert the
+ string to a multibyte character string. */
static wctype_t
is_char_class (const wchar_t *wcs)
{
do
{
- if (*wcs < 0x20 || *wcs >= 0x7f)
- return 0;
-
- *cp++ = (char) *wcs;
- }
- while (*wcs++ != L'\0');
-
- return __wctype (s);
-}
+ /* Test for a printable character from the portable character set. */
+# ifdef _LIBC
+ if (*wcs < 0x20 || *wcs > 0x7e
+ || *wcs == 0x24 || *wcs == 0x40 || *wcs == 0x60)
+ return (wctype_t) 0;
# else
-/* Since we cannot assume anything about the internal encoding we have to
- convert the string back to multibyte representation the hard way. */
-static wctype_t
-is_char_class (const wchar_t *wcs)
-{
- mbstate_t ps;
- const wchar_t *pwc;
- char *s;
- size_t n;
+ switch (*wcs)
+ {
+ case L' ': case L'!': case L'"': case L'#': case L'%':
+ case L'&': case L'\'': case L'(': case L')': case L'*':
+ case L'+': case L',': case L'-': case L'.': case L'/':
+ case L'0': case L'1': case L'2': case L'3': case L'4':
+ case L'5': case L'6': case L'7': case L'8': case L'9':
+ case L':': case L';': case L'<': case L'=': case L'>':
+ case L'?':
+ case L'A': case L'B': case L'C': case L'D': case L'E':
+ case L'F': case L'G': case L'H': case L'I': case L'J':
+ case L'K': case L'L': case L'M': case L'N': case L'O':
+ case L'P': case L'Q': case L'R': case L'S': case L'T':
+ case L'U': case L'V': case L'W': case L'X': case L'Y':
+ case L'Z':
+ case L'[': case L'\\': case L']': case L'^': case L'_':
+ case L'a': case L'b': case L'c': case L'd': case L'e':
+ case L'f': case L'g': case L'h': case L'i': case L'j':
+ case L'k': case L'l': case L'm': case L'n': case L'o':
+ case L'p': case L'q': case L'r': case L's': case L't':
+ case L'u': case L'v': case L'w': case L'x': case L'y':
+ case L'z': case L'{': case L'|': case L'}': case L'~':
+ break;
+ default:
+ return (wctype_t) 0;
+ }
+# endif
- memset (&ps, '\0', sizeof (ps));
+ /* Avoid overrunning the buffer. */
+ if (cp == s + CHAR_CLASS_MAX_LENGTH)
+ return (wctype_t) 0;
- pwc = wcs;
- n = wcsrtombs (NULL, &pwc, 0, &ps);
- if (n == (size_t) -1)
- /* Something went wrong. */
- return 0;
+ *cp++ = (char) *wcs++;
+ }
+ while (*wcs != L'\0');
- s = alloca (n + 1);
- assert (mbsinit (&ps));
- pwc = wcs;
- (void) wcsrtombs (s, &pwc, n + 1, &ps);
+ *cp = '\0';
+# ifdef _LIBC
+ return __wctype (s);
+# else
return wctype (s);
-}
# endif
+}
# define IS_CHAR_CLASS(string) is_char_class (string)
# include "fnmatch_loop.c"
# endif
+
int
fnmatch (pattern, string, flags)
const char *pattern;
int flags;
{
# if HANDLE_MULTIBYTE
- mbstate_t ps;
- size_t n;
- wchar_t *wpattern;
- wchar_t *wstring;
-
- if (MB_CUR_MAX == 1)
- /* This is an optimization for 8-bit character set. */
- return internal_fnmatch (pattern, string, flags & FNM_PERIOD, flags);
-
- /* Convert the strings into wide characters. */
- memset (&ps, '\0', sizeof (ps));
- n = mbsrtowcs (NULL, &pattern, 0, &ps);
- if (n == (size_t) -1)
- /* Something wrong.
- XXX Do we have to set `errno' to something which mbsrtows hasn't
- already done? */
- return -1;
- wpattern = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t));
- assert (mbsinit (&ps));
- (void) mbsrtowcs (wpattern, &pattern, n + 1, &ps);
-
- assert (mbsinit (&ps));
- n = mbsrtowcs (NULL, &string, 0, &ps);
- if (n == (size_t) -1)
- /* Something wrong.
- XXX Do we have to set `errno' to something which mbsrtows hasn't
- already done? */
- return -1;
- wstring = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t));
- assert (mbsinit (&ps));
- (void) mbsrtowcs (wstring, &string, n + 1, &ps);
-
- return internal_fnwmatch (wpattern, wstring, flags & FNM_PERIOD, flags);
-# else
- return internal_fnmatch (pattern, string, flags & FNM_PERIOD, flags);
+ if (__builtin_expect (MB_CUR_MAX, 1) != 1)
+ {
+ mbstate_t ps;
+ size_t n;
+ const char *p;
+ wchar_t *wpattern_malloc = NULL;
+ wchar_t *wpattern;
+ wchar_t *wstring_malloc = NULL;
+ wchar_t *wstring;
+ size_t alloca_used = 0;
+
+ /* Convert the strings into wide characters. */
+ memset (&ps, '\0', sizeof (ps));
+ p = pattern;
+#ifdef _LIBC
+ n = strnlen (pattern, 1024);
+#else
+ n = strlen (pattern);
+#endif
+ if (__glibc_likely (n < 1024))
+ {
+ wpattern = (wchar_t *) alloca_account ((n + 1) * sizeof (wchar_t),
+ alloca_used);
+ n = mbsrtowcs (wpattern, &p, n + 1, &ps);
+ if (__glibc_unlikely (n == (size_t) -1))
+ /* Something wrong.
+ XXX Do we have to set `errno' to something which mbsrtows hasn't
+ already done? */
+ return -1;
+ if (p)
+ {
+ memset (&ps, '\0', sizeof (ps));
+ goto prepare_wpattern;
+ }
+ }
+ else
+ {
+ prepare_wpattern:
+ n = mbsrtowcs (NULL, &pattern, 0, &ps);
+ if (__glibc_unlikely (n == (size_t) -1))
+ /* Something wrong.
+ XXX Do we have to set `errno' to something which mbsrtows hasn't
+ already done? */
+ return -1;
+ if (__glibc_unlikely (n >= (size_t) -1 / sizeof (wchar_t)))
+ {
+ __set_errno (ENOMEM);
+ return -2;
+ }
+ wpattern_malloc = wpattern
+ = (wchar_t *) malloc ((n + 1) * sizeof (wchar_t));
+ assert (mbsinit (&ps));
+ if (wpattern == NULL)
+ return -2;
+ (void) mbsrtowcs (wpattern, &pattern, n + 1, &ps);
+ }
+
+ assert (mbsinit (&ps));
+#ifdef _LIBC
+ n = strnlen (string, 1024);
+#else
+ n = strlen (string);
+#endif
+ p = string;
+ if (__glibc_likely (n < 1024))
+ {
+ wstring = (wchar_t *) alloca_account ((n + 1) * sizeof (wchar_t),
+ alloca_used);
+ n = mbsrtowcs (wstring, &p, n + 1, &ps);
+ if (__glibc_unlikely (n == (size_t) -1))
+ {
+ /* Something wrong.
+ XXX Do we have to set `errno' to something which
+ mbsrtows hasn't already done? */
+ free_return:
+ free (wpattern_malloc);
+ return -1;
+ }
+ if (p)
+ {
+ memset (&ps, '\0', sizeof (ps));
+ goto prepare_wstring;
+ }
+ }
+ else
+ {
+ prepare_wstring:
+ n = mbsrtowcs (NULL, &string, 0, &ps);
+ if (__glibc_unlikely (n == (size_t) -1))
+ /* Something wrong.
+ XXX Do we have to set `errno' to something which mbsrtows hasn't
+ already done? */
+ goto free_return;
+ if (__glibc_unlikely (n >= (size_t) -1 / sizeof (wchar_t)))
+ {
+ free (wpattern_malloc);
+ __set_errno (ENOMEM);
+ return -2;
+ }
+
+ wstring_malloc = wstring
+ = (wchar_t *) malloc ((n + 1) * sizeof (wchar_t));
+ if (wstring == NULL)
+ {
+ free (wpattern_malloc);
+ return -2;
+ }
+ assert (mbsinit (&ps));
+ (void) mbsrtowcs (wstring, &string, n + 1, &ps);
+ }
+
+ int res = internal_fnwmatch (wpattern, wstring, wstring + n,
+ flags & FNM_PERIOD, flags, NULL,
+ alloca_used);
+
+ free (wstring_malloc);
+ free (wpattern_malloc);
+
+ return res;
+ }
# endif /* mbstate_t and mbsrtowcs or _LIBC. */
+
+ return internal_fnmatch (pattern, string, string + strlen (string),
+ flags & FNM_PERIOD, flags, NULL, 0);
}
+# ifdef _LIBC
+# undef fnmatch
+versioned_symbol (libc, __fnmatch, fnmatch, GLIBC_2_2_3);
+# if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_2_3)
+strong_alias (__fnmatch, __fnmatch_old)
+compat_symbol (libc, __fnmatch_old, fnmatch, GLIBC_2_0);
+# endif
+libc_hidden_ver (__fnmatch, fnmatch)
+# endif
+
#endif /* _LIBC or not __GNU_LIBRARY__. */
projects / platform / upstream / glibc.git / blobdiff