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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) && !(defined(__MWERKS__) && defined(__MSL__))
- 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__. */
-