-/* Copyright (C) 1991, 1992, 1993, 1996, 1997, 1998, 1999, 2000, 2001,
- 2002 Free Software Foundation, Inc.
+/* Copyright (C) 1991-1993, 1996-2007, 2009-2014 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ along with this program; if not, see <http://www.gnu.org/licenses/>. */
-#if HAVE_CONFIG_H
+#ifndef _LIBC
# include <config.h>
#endif
/* Enable GNU extensions in fnmatch.h. */
#ifndef _GNU_SOURCE
-# define _GNU_SOURCE 1
-#endif
-
-#ifdef __GNUC__
-# define alloca __builtin_alloca
-# define HAVE_ALLOCA 1
-#else
-# if defined HAVE_ALLOCA_H || defined _LIBC
-# include <alloca.h>
-# else
-# ifdef _AIX
- # pragma alloca
-# else
-# ifndef alloca
-char *alloca ();
-# endif
-# endif
-# endif
+# define _GNU_SOURCE 1
#endif
#if ! defined __builtin_expect && __GNUC__ < 3
# define __builtin_expect(expr, expected) (expr)
#endif
-#include <assert.h>
-#include <errno.h>
#include <fnmatch.h>
-#include <ctype.h>
-#if HAVE_STRING_H || defined _LIBC
-# include <string.h>
-#else
-# if HAVE_STRINGS_H
-# include <strings.h>
-# endif
-#endif
+#include <alloca.h>
+#include <assert.h>
+#include <ctype.h>
+#include <errno.h>
+#include <stddef.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
-#if defined STDC_HEADERS || defined _LIBC
-# include <stddef.h>
-# include <stdlib.h>
-#endif
+#define WIDE_CHAR_SUPPORT \
+ (HAVE_WCTYPE_H && HAVE_BTOWC && HAVE_ISWCTYPE \
+ && HAVE_WMEMCHR && (HAVE_WMEMCPY || HAVE_WMEMPCPY))
-/* For platform which support the ISO C amendement 1 functionality we
+/* For platform which support the ISO C amendment 1 functionality we
support user defined character classes. */
-#if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H)
-/* Solaris 2.5 has a bug: <wchar.h> must be included before <wctype.h>. */
-# include <wchar.h>
+#if defined _LIBC || WIDE_CHAR_SUPPORT
# include <wctype.h>
+# include <wchar.h>
#endif
/* We need some of the locale data (the collation sequence information)
# include <shlib-compat.h>
# define CONCAT(a,b) __CONCAT(a,b)
-# define mbsinit __mbsinit
# define mbsrtowcs __mbsrtowcs
# define fnmatch __fnmatch
extern int fnmatch (const char *pattern, const char *string, int flags);
#endif
+#ifndef SIZE_MAX
+# define SIZE_MAX ((size_t) -1)
+#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, are not
+/* Comment out all this code if we are using the GNU C Library, and are not
actually compiling the library itself, and have not detected a bug
in the library. This code is part of the GNU C
Library, but also included in many other GNU distributions. Compiling
and linking in this code is a waste when using the GNU C library
(especially if it is a shared library). Rather than having every GNU
- program understand `configure --with-gnu-libc' and omit the object files,
+ program understand 'configure --with-gnu-libc' and omit the object files,
it is simpler to just do this in the source for each such file. */
#if defined _LIBC || !defined __GNU_LIBRARY__ || !HAVE_FNMATCH_GNU
-# if defined STDC_HEADERS || !defined isascii
-# define ISASCII(c) 1
-# else
-# define ISASCII(c) isascii(c)
+# if ! (defined isblank || (HAVE_ISBLANK && HAVE_DECL_ISBLANK))
+# define isblank(c) ((c) == ' ' || (c) == '\t')
# endif
-# ifdef isblank
-# define ISBLANK(c) (ISASCII (c) && isblank (c))
-# else
-# define ISBLANK(c) ((c) == ' ' || (c) == '\t')
-# endif
-# ifdef isgraph
-# define ISGRAPH(c) (ISASCII (c) && isgraph (c))
-# else
-# define ISGRAPH(c) (ISASCII (c) && isprint (c) && !isspace (c))
-# endif
-
-# define ISPRINT(c) (ISASCII (c) && isprint (c))
-# define ISDIGIT(c) (ISASCII (c) && isdigit (c))
-# define ISALNUM(c) (ISASCII (c) && isalnum (c))
-# define ISALPHA(c) (ISASCII (c) && isalpha (c))
-# define ISCNTRL(c) (ISASCII (c) && iscntrl (c))
-# define ISLOWER(c) (ISASCII (c) && islower (c))
-# define ISPUNCT(c) (ISASCII (c) && ispunct (c))
-# define ISSPACE(c) (ISASCII (c) && isspace (c))
-# define ISUPPER(c) (ISASCII (c) && isupper (c))
-# define ISXDIGIT(c) (ISASCII (c) && isxdigit (c))
-
-# define STREQ(s1, s2) ((strcmp (s1, s2) == 0))
+# define STREQ(s1, s2) (strcmp (s1, s2) == 0)
-# if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H)
+# if defined _LIBC || WIDE_CHAR_SUPPORT
/* The GNU C library provides support for user-defined character classes
- and the functions from ISO C amendement 1. */
+ and the functions from ISO C amendment 1. */
# ifdef CHARCLASS_NAME_MAX
# define CHAR_CLASS_MAX_LENGTH CHARCLASS_NAME_MAX
# else
# endif
# ifdef _LIBC
-# define ISWCTYPE(WC, WT) __iswctype (WC, WT)
+# define ISWCTYPE(WC, WT) __iswctype (WC, WT)
# else
-# define ISWCTYPE(WC, WT) iswctype (WC, WT)
+# define ISWCTYPE(WC, WT) iswctype (WC, WT)
# endif
# if (HAVE_MBSTATE_T && HAVE_MBSRTOWCS) || _LIBC
/* In this case we are implementing the multibyte character handling. */
-# define HANDLE_MULTIBYTE 1
+# define HANDLE_MULTIBYTE 1
# endif
# else
-# define CHAR_CLASS_MAX_LENGTH 6 /* Namely, `xdigit'. */
-
-# define IS_CHAR_CLASS(string) \
- (STREQ (string, "alpha") || STREQ (string, "upper") \
- || STREQ (string, "lower") || STREQ (string, "digit") \
- || STREQ (string, "alnum") || STREQ (string, "xdigit") \
- || STREQ (string, "space") || STREQ (string, "print") \
- || STREQ (string, "punct") || STREQ (string, "graph") \
+# define CHAR_CLASS_MAX_LENGTH 6 /* Namely, 'xdigit'. */
+
+# define IS_CHAR_CLASS(string) \
+ (STREQ (string, "alpha") || STREQ (string, "upper") \
+ || STREQ (string, "lower") || STREQ (string, "digit") \
+ || STREQ (string, "alnum") || STREQ (string, "xdigit") \
+ || STREQ (string, "space") || STREQ (string, "print") \
+ || STREQ (string, "punct") || STREQ (string, "graph") \
|| STREQ (string, "cntrl") || STREQ (string, "blank"))
# endif
/* Avoid depending on library functions or files
whose names are inconsistent. */
-# if !defined _LIBC && !defined getenv && !HAVE_DECL_GETENV
-extern char *getenv ();
-# endif
-
-# ifndef errno
-extern int errno;
-# endif
-
/* Global variable. */
static int posixly_correct;
# endif
/* Note that this evaluates C many times. */
+# define FOLD(c) ((flags & FNM_CASEFOLD) ? tolower (c) : (c))
+# define CHAR char
+# define UCHAR unsigned char
+# define INT int
+# define FCT internal_fnmatch
+# define EXT ext_match
+# define END end_pattern
+# define L_(CS) CS
# ifdef _LIBC
-# define FOLD(c) ((flags & FNM_CASEFOLD) ? tolower (c) : (c))
+# define BTOWC(C) __btowc (C)
# else
-# define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER (c) ? tolower (c) : (c))
-# endif
-# define CHAR char
-# define UCHAR unsigned char
-# define INT int
-# define FCT internal_fnmatch
-# define EXT ext_match
-# define END end_pattern
-# define L(CS) CS
-# ifdef _LIBC
-# define BTOWC(C) __btowc (C)
-# else
-# define BTOWC(C) btowc (C)
+# define BTOWC(C) btowc (C)
# endif
# define STRLEN(S) strlen (S)
# define STRCAT(D, S) strcat (D, S)
# endif
# endif
# define MEMCHR(S, C, N) memchr (S, C, N)
-# define STRCOLL(S1, S2) strcoll (S1, S2)
# include "fnmatch_loop.c"
# if HANDLE_MULTIBYTE
# define FOLD(c) ((flags & FNM_CASEFOLD) ? towlower (c) : (c))
-# 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 L(CS) L##CS
-# define BTOWC(C) (C)
+# 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 L_(CS) L##CS
+# define BTOWC(C) (C)
# ifdef _LIBC
# define STRLEN(S) __wcslen (S)
# define STRCAT(D, S) __wcscat (D, S)
# endif
# endif
# define MEMCHR(S, C, N) wmemchr (S, C, N)
-# define STRCOLL(S1, S2) wcscoll (S1, S2)
# define WIDE_CHAR_VERSION 1
# undef IS_CHAR_CLASS
/* 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;
+ || *wcs == 0x24 || *wcs == 0x40 || *wcs == 0x60)
+ return (wctype_t) 0;
# else
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;
- }
+ {
+ 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
/* Avoid overrunning the buffer. */
if (cp == s + CHAR_CLASS_MAX_LENGTH)
- return (wctype_t) 0;
+ return (wctype_t) 0;
*cp++ = (char) *wcs++;
}
int
-fnmatch (pattern, string, flags)
- const char *pattern;
- const char *string;
- int flags;
+fnmatch (const char *pattern, const char *string, int flags)
{
# if HANDLE_MULTIBYTE
+# define ALLOCA_LIMIT 2000
if (__builtin_expect (MB_CUR_MAX, 1) != 1)
{
mbstate_t ps;
- size_t n;
+ size_t patsize;
+ size_t strsize;
+ size_t totsize;
wchar_t *wpattern;
wchar_t *wstring;
+ int res;
- /* Convert the strings into wide characters. */
+ /* Calculate the size needed to convert the strings to
+ wide characters. */
memset (&ps, '\0', sizeof (ps));
- n = mbsrtowcs (NULL, &pattern, 0, &ps);
- if (__builtin_expect (n, 0) == (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 (__builtin_expect (n, 0) == (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, wstring + n,
- flags & FNM_PERIOD, flags);
+ patsize = mbsrtowcs (NULL, &pattern, 0, &ps) + 1;
+ if (__builtin_expect (patsize != 0, 1))
+ {
+ assert (mbsinit (&ps));
+ strsize = mbsrtowcs (NULL, &string, 0, &ps) + 1;
+ if (__builtin_expect (strsize != 0, 1))
+ {
+ assert (mbsinit (&ps));
+ totsize = patsize + strsize;
+ if (__builtin_expect (! (patsize <= totsize
+ && totsize <= SIZE_MAX / sizeof (wchar_t)),
+ 0))
+ {
+ errno = ENOMEM;
+ return -1;
+ }
+
+ /* Allocate room for the wide characters. */
+ if (__builtin_expect (totsize < ALLOCA_LIMIT, 1))
+ wpattern = (wchar_t *) alloca (totsize * sizeof (wchar_t));
+ else
+ {
+ wpattern = malloc (totsize * sizeof (wchar_t));
+ if (__builtin_expect (! wpattern, 0))
+ {
+ errno = ENOMEM;
+ return -1;
+ }
+ }
+ wstring = wpattern + patsize;
+
+ /* Convert the strings into wide characters. */
+ mbsrtowcs (wpattern, &pattern, patsize, &ps);
+ assert (mbsinit (&ps));
+ mbsrtowcs (wstring, &string, strsize, &ps);
+
+ res = internal_fnwmatch (wpattern, wstring, wstring + strsize - 1,
+ flags & FNM_PERIOD, flags);
+
+ if (__builtin_expect (! (totsize < ALLOCA_LIMIT), 0))
+ free (wpattern);
+ return res;
+ }
+ }
}
-# endif /* mbstate_t and mbsrtowcs or _LIBC. */
+
+# endif /* HANDLE_MULTIBYTE */
return internal_fnmatch (pattern, string, string + strlen (string),
- flags & FNM_PERIOD, flags);
+ flags & FNM_PERIOD, flags);
}
# ifdef _LIBC
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__. */
+#endif /* _LIBC or not __GNU_LIBRARY__. */
projects / gnulib.git / blobdiff