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/* Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc.
*
* 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.
*
* This 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.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the GTK+ Team and others 1997-1999. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <errno.h>
/* Added for GTK. We need to make sure that all constants are defined
* to properly compile this file */
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include "fnmatch.h"
/* We need glib.h for G_DIR_SEPARATOR and G_OS_WIN32 */
#include <glib.h>
#include <ctype.h>
/* 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
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__)
#if !defined(__GNU_LIBRARY__) && !defined(STDC_HEADERS)
extern int errno;
#endif
/* Match STRING against the filename pattern PATTERN, returning zero if
it matches, nonzero if not. */
int
fnmatch (pattern, string, flags)
const char *pattern;
const char *string;
int flags;
{
register const char *p = pattern, *n = string;
register char c;
/* Note that this evalutes C many times. */
#if !defined(G_OS_WIN32) && !defined(G_WITH_CYGWIN)
#define FOLD(c) ((flags & FNM_CASEFOLD) && isupper (c) ? tolower (c) : (c))
#else
#define FOLD(c) (tolower (c))
#endif
while ((c = *p++) != '\0')
{
c = FOLD (c);
switch (c)
{
case '?':
if (*n == '\0')
return FNM_NOMATCH;
else if ((flags & FNM_FILE_NAME) && *n == G_DIR_SEPARATOR)
return FNM_NOMATCH;
else if ((flags & FNM_PERIOD) && *n == '.' &&
(n == string || ((flags & FNM_FILE_NAME) && n[-1] == G_DIR_SEPARATOR)))
return FNM_NOMATCH;
break;
#ifndef G_OS_WIN32
case '\\':
if (!(flags & FNM_NOESCAPE))
{
c = *p++;
c = FOLD (c);
}
if (FOLD (*n) != c)
return FNM_NOMATCH;
break;
#endif
case '*':
if ((flags & FNM_PERIOD) && *n == '.' &&
(n == string || ((flags & FNM_FILE_NAME) && n[-1] == G_DIR_SEPARATOR)))
return FNM_NOMATCH;
for (c = *p++; c == '?' || c == '*'; c = *p++, ++n)
if (((flags & FNM_FILE_NAME) && *n == G_DIR_SEPARATOR) ||
(c == '?' && *n == '\0'))
return FNM_NOMATCH;
if (c == '\0')
return 0;
{
#ifndef G_OS_WIN32
char c1 = (!(flags & FNM_NOESCAPE) && c == '\\') ? *p : c;
#else
char c1 = c;
#endif
c1 = FOLD (c1);
for (--p; *n != '\0'; ++n)
if ((c == '[' || FOLD (*n) == c1) &&
fnmatch (p, n, flags & ~FNM_PERIOD) == 0)
return 0;
return FNM_NOMATCH;
}
case '[':
{
/* Nonzero if the sense of the character class is inverted. */
register int not;
if (*n == '\0')
return FNM_NOMATCH;
if ((flags & FNM_PERIOD) && *n == '.' &&
(n == string || ((flags & FNM_FILE_NAME) && n[-1] == G_DIR_SEPARATOR)))
return FNM_NOMATCH;
not = (*p == '!' || *p == '^');
if (not)
++p;
c = *p++;
for (;;)
{
register char cstart = c, cend = c;
#ifndef G_OS_WIN32
if (!(flags & FNM_NOESCAPE) && c == '\\')
cstart = cend = *p++;
#endif
cstart = cend = FOLD (cstart);
if (c == '\0')
/* [ (unterminated) loses. */
return FNM_NOMATCH;
c = *p++;
c = FOLD (c);
if ((flags & FNM_FILE_NAME) && c == G_DIR_SEPARATOR)
/* [/] can never match. */
return FNM_NOMATCH;
if (c == '-' && *p != ']')
{
cend = *p++;
#ifndef G_OS_WIN32
if (!(flags & FNM_NOESCAPE) && cend == '\\')
cend = *p++;
#endif
if (cend == '\0')
return FNM_NOMATCH;
cend = FOLD (cend);
c = *p++;
}
if (FOLD (*n) >= cstart && FOLD (*n) <= cend)
goto matched;
if (c == ']')
break;
}
if (!not)
return FNM_NOMATCH;
break;
matched:;
/* Skip the rest of the [...] that already matched. */
while (c != ']')
{
if (c == '\0')
/* [... (unterminated) loses. */
return FNM_NOMATCH;
c = *p++;
#ifndef G_OS_WIN32
if (!(flags & FNM_NOESCAPE) && c == '\\')
/* XXX 1003.2d11 is unclear if this is right. */
++p;
#endif
}
if (not)
return FNM_NOMATCH;
}
break;
default:
if (c != FOLD (*n))
return FNM_NOMATCH;
}
++n;
}
if (*n == '\0')
return 0;
if ((flags & FNM_LEADING_DIR) && *n == G_DIR_SEPARATOR)
/* The FNM_LEADING_DIR flag says that "foo*" matches "foobar/frobozz". */
return 0;
return FNM_NOMATCH;
}
#endif /* _LIBC or not __GNU_LIBRARY__. */
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