/* Copyright (C) 1991, 1992, 1993, 1996, 1997, 1998, 1999, 2000, 2001,
2002, 2003 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
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program 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 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. */
#if HAVE_CONFIG_H
# 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
#endif
#if ! defined __builtin_expect && __GNUC__ < 3
# define __builtin_expect(expr, expected) (expr)
#endif
#include <fnmatch.h>
#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#define WIDE_CHAR_SUPPORT (HAVE_WCTYPE_H && HAVE_WCHAR_H && HAVE_BTOWC)
/* For platform which support the ISO C amendement 1 functionality we
support user defined character classes. */
#if defined _LIBC || WIDE_CHAR_SUPPORT
/* Solaris 2.5 has a bug: <wchar.h> must be included before <wctype.h>. */
# include <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 mbsinit __mbsinit
# 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, 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,
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)
# 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))
# 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. */
# ifdef CHARCLASS_NAME_MAX
# define CHAR_CLASS_MAX_LENGTH CHARCLASS_NAME_MAX
# else
/* This shouldn't happen but some implementation might still have this
problem. Use a reasonable default value. */
# define CHAR_CLASS_MAX_LENGTH 256
# endif
# ifdef _LIBC
# define IS_CHAR_CLASS(string) __wctype (string)
# else
# define IS_CHAR_CLASS(string) wctype (string)
# endif
# ifdef _LIBC
# define ISWCTYPE(WC, WT) __iswctype (WC, WT)
# else
# 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
# 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") \
|| STREQ (string, "cntrl") || STREQ (string, "blank"))
# endif
/* Avoid depending on library functions or files
whose names are inconsistent. */
# ifndef errno
extern int errno;
# endif
/* Global variable. */
static int posixly_correct;
# ifndef internal_function
/* Inside GNU libc we mark some function in a special way. In other
environments simply ignore the marking. */
# define internal_function
# endif
/* Note that this evaluates C many times. */
# ifdef _LIBC
# define FOLD(c) ((flags & FNM_CASEFOLD) ? tolower (c) : (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)
# endif
# define STRLEN(S) strlen (S)
# define STRCAT(D, S) strcat (D, S)
# ifdef _LIBC
# define MEMPCPY(D, S, N) __mempcpy (D, S, N)
# else
# if HAVE_MEMPCPY
# define MEMPCPY(D, S, N) mempcpy (D, S, N)
# else
# define MEMPCPY(D, S, N) ((void *) ((char *) memcpy (D, S, N) + (N)))
# 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)
# ifdef _LIBC
# define STRLEN(S) __wcslen (S)
# define STRCAT(D, S) __wcscat (D, S)
# define MEMPCPY(D, S, N) __wmempcpy (D, S, N)
# else
# define STRLEN(S) wcslen (S)
# define STRCAT(D, S) wcscat (D, S)
# if HAVE_WMEMPCPY
# define MEMPCPY(D, S, N) wmempcpy (D, S, N)
# else
# define MEMPCPY(D, S, N) (wmemcpy (D, S, N) + (N))
# 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
/* We have to convert the wide character string in a multibyte string. But
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)
{
char s[CHAR_CLASS_MAX_LENGTH + 1];
char *cp = s;
do
{
/* 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
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
/* Avoid overrunning the buffer. */
if (cp == s + CHAR_CLASS_MAX_LENGTH)
return (wctype_t) 0;
*cp++ = (char) *wcs++;
}
while (*wcs != L'\0');
*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 (const char *pattern, const char *string, int flags)
{
# if HANDLE_MULTIBYTE
if (__builtin_expect (MB_CUR_MAX, 1) != 1)
{
mbstate_t ps;
size_t n;
wchar_t *wpattern;
wchar_t *wstring;
/* Convert the strings into 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);
}
# endif /* mbstate_t and mbsrtowcs or _LIBC. */
return internal_fnmatch (pattern, string, string + strlen (string),
flags & FNM_PERIOD, flags);
}
# 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
# endif
#endif /* _LIBC or not __GNU_LIBRARY__. */
