-/* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 1993, 1996, 1997 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 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 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.
+ 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 Library General Public
-License along with this library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
+ 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. */
-#include <errno.h>
-#include "fnmatch.h"
-
-#if !defined(__GNU_LIBRARY__) && !defined(STDC_HEADERS)
-extern int errno;
+#if HAVE_CONFIG_H
+# include <config.h>
#endif
-#if !__STDC__
-#define const
+/* Enable GNU extensions in fnmatch.h. */
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE 1
#endif
+#include <errno.h>
+#include <fnmatch.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 STDC_HEADERS || !defined isascii
+# define ISASCII(c) 1
+# else
+# define ISASCII(c) isascii(c)
+# endif
+
+# define ISUPPER(c) (ISASCII (c) && isupper (c))
+
+
+# ifndef errno
+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;
+fnmatch (const char *pattern, const char *string, int flags)
{
register const char *p = pattern, *n = string;
register char c;
- if ((flags & ~__FNM_FLAGS) != 0)
- {
- errno = EINVAL;
- return -1;
- }
+/* Note that this evaluates C many times. */
+# define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER (c) ? tolower (c) : (c))
while ((c = *p++) != '\0')
{
+ c = FOLD (c);
+
switch (c)
{
case '?':
if (*n == '\0')
return FNM_NOMATCH;
- else if ((flags & FNM_PATHNAME) && *n == '/')
+ else if ((flags & FNM_FILE_NAME) && *n == '/')
return FNM_NOMATCH;
else if ((flags & FNM_PERIOD) && *n == '.' &&
- (n == string || ((flags & FNM_PATHNAME) && n[-1] == '/')))
+ (n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
return FNM_NOMATCH;
break;
case '\\':
if (!(flags & FNM_NOESCAPE))
- c = *p++;
- if (*n != c)
+ {
+ c = *p++;
+ if (c == '\0')
+ /* Trailing \ loses. */
+ return FNM_NOMATCH;
+ c = FOLD (c);
+ }
+ if (FOLD (*n) != c)
return FNM_NOMATCH;
break;
case '*':
if ((flags & FNM_PERIOD) && *n == '.' &&
- (n == string || ((flags & FNM_PATHNAME) && n[-1] == '/')))
+ (n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
return FNM_NOMATCH;
- for (c = *p++; c == '?' || c == '*'; c = *p++, ++n)
- if (((flags & FNM_PATHNAME) && *n == '/') ||
- (c == '?' && *n == '\0'))
- return FNM_NOMATCH;
+ for (c = *p++; c == '?' || c == '*'; c = *p++)
+ {
+ if ((flags & FNM_FILE_NAME) && *n == '/')
+ /* A slash does not match a wildcard under FNM_FILE_NAME. */
+ return FNM_NOMATCH;
+ else if (c == '?')
+ {
+ /* A ? needs to match one character. */
+ if (*n == '\0')
+ /* There isn't another character; no match. */
+ return FNM_NOMATCH;
+ else
+ /* One character of the string is consumed in matching
+ this ? wildcard, so *??? won't match if there are
+ less than three characters. */
+ ++n;
+ }
+ }
if (c == '\0')
return 0;
{
char c1 = (!(flags & FNM_NOESCAPE) && c == '\\') ? *p : c;
+ c1 = FOLD (c1);
for (--p; *n != '\0'; ++n)
- if ((c == '[' || *n == c1) &&
+ if ((c == '[' || FOLD (*n) == c1) &&
fnmatch (p, n, flags & ~FNM_PERIOD) == 0)
return 0;
return FNM_NOMATCH;
return FNM_NOMATCH;
if ((flags & FNM_PERIOD) && *n == '.' &&
- (n == string || ((flags & FNM_PATHNAME) && n[-1] == '/')))
+ (n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
return FNM_NOMATCH;
not = (*p == '!' || *p == '^');
register char cstart = c, cend = c;
if (!(flags & FNM_NOESCAPE) && c == '\\')
- cstart = cend = *p++;
+ {
+ if (*p == '\0')
+ return FNM_NOMATCH;
+ cstart = cend = *p++;
+ }
+
+ cstart = cend = FOLD (cstart);
if (c == '\0')
/* [ (unterminated) loses. */
return FNM_NOMATCH;
c = *p++;
+ c = FOLD (c);
- if ((flags & FNM_PATHNAME) && c == '/')
+ if ((flags & FNM_FILE_NAME) && c == '/')
/* [/] can never match. */
return FNM_NOMATCH;
cend = *p++;
if (cend == '\0')
return FNM_NOMATCH;
+ cend = FOLD (cend);
+
c = *p++;
}
- if (*n >= cstart && *n <= cend)
+ if (FOLD (*n) >= cstart && FOLD (*n) <= cend)
goto matched;
if (c == ']')
c = *p++;
if (!(flags & FNM_NOESCAPE) && c == '\\')
- /* 1003.2d11 is unclear if this is right. %%% */
- ++p;
+ {
+ if (*p == '\0')
+ return FNM_NOMATCH;
+ /* XXX 1003.2d11 is unclear if this is right. */
+ ++p;
+ }
}
if (not)
return FNM_NOMATCH;
break;
default:
- if (c != *n)
+ if (c != FOLD (*n))
return FNM_NOMATCH;
}
++n;
}
- if (*n == '\0' || ((flags & FNM_TARPATH) && *n == '/'))
+ if (*n == '\0')
+ return 0;
+
+ if ((flags & FNM_LEADING_DIR) && *n == '/')
+ /* The FNM_LEADING_DIR flag says that "foo*" matches "foobar/frobozz". */
return 0;
return FNM_NOMATCH;
+
+# undef FOLD
}
+
+#endif /* _LIBC or not __GNU_LIBRARY__. */