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/*
* This file has been modified for the cdrkit suite.
*
* The behaviour and appearence of the program code below can differ to a major
* extent from the version distributed by the original author(s).
*
* For details, see Changelog file distributed with the cdrkit package. If you
* received this file from another source then ask the distributing person for
* a log of modifications.
*
*/
/* @(#)fnmatch.c 1.4 02/02/10 eric */
/* Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc.
NOTE: The canonical source of this file is maintained with the GNU C Library.
Bugs can be reported to bug-glibc@prep.ai.mit.edu.
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, 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <errno.h>
#include <utypes.h>
#include "fnmatch.h"
#ifndef __STDC__
#define const
#endif
#ifndef FNM_FILE_NAME
#define FNM_FILE_NAME FNM_PATHNAME /* Preferred GNU name. */
#endif
#ifndef FNM_LEADING_DIR
#define FNM_LEADING_DIR (1 << 3) /* Ignore `/...' after a match. */
#endif
#ifndef FNM_CASEFOLD
#define FNM_CASEFOLD (1 << 4) /* Compare without regard to case. */
#endif
#include <ctype.h>
#if defined (STDC_HEADERS) || !defined (isascii)
#define ISASCII(c) 1
#else
#define ISASCII(c) isascii(c)
#endif
#define ISUPPER(c) (ISASCII (c) && isupper (c))
/* 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 (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. */
#define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER (c) ? tolower (c) : (c))
while ((c = *p++) != '\0')
{
c = FOLD ((Uchar)c);
switch (c)
{
case '?':
if (*n == '\0')
return FNM_NOMATCH;
else if ((flags & FNM_FILE_NAME) && *n == '/')
return FNM_NOMATCH;
else if ((flags & FNM_PERIOD) && *n == '.' &&
(n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
return FNM_NOMATCH;
break;
case '\\':
if (!(flags & FNM_NOESCAPE))
{
c = *p++;
c = FOLD ((Uchar )c);
}
if (FOLD ((Uchar )*n) != c)
return FNM_NOMATCH;
break;
case '*':
if ((flags & FNM_PERIOD) && *n == '.' &&
(n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
return FNM_NOMATCH;
for (c = *p++; c == '?' || c == '*'; c = *p++, ++n)
if (((flags & FNM_FILE_NAME) && *n == '/') ||
(c == '?' && *n == '\0'))
return FNM_NOMATCH;
if (c == '\0')
return 0;
{
char c1 = (!(flags & FNM_NOESCAPE) && c == '\\') ? *p : c;
c1 = FOLD ((Uchar )c1);
for (--p; *n != '\0'; ++n)
if ((c == '[' || FOLD ((Uchar )*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] == '/')))
return FNM_NOMATCH;
not = (*p == '!' || *p == '^');
if (not)
++p;
c = *p++;
for (;;)
{
register char cstart = c, cend = c;
if (!(flags & FNM_NOESCAPE) && c == '\\')
cstart = cend = *p++;
cstart = cend = FOLD ((Uchar)cstart);
if (c == '\0')
/* [ (unterminated) loses. */
return FNM_NOMATCH;
c = *p++;
c = FOLD ((Uchar)c);
if ((flags & FNM_FILE_NAME) && c == '/')
/* [/] can never match. */
return FNM_NOMATCH;
if (c == '-' && *p != ']')
{
cend = *p++;
if (!(flags & FNM_NOESCAPE) && cend == '\\')
cend = *p++;
if (cend == '\0')
return FNM_NOMATCH;
cend = FOLD ((Uchar)cend);
c = *p++;
}
if ((Uchar)FOLD((Uchar)*n) >= (Uchar)cstart && (Uchar)FOLD((Uchar)*n) <= (Uchar)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++;
if (!(flags & FNM_NOESCAPE) && c == '\\')
/* XXX 1003.2d11 is unclear if this is right. */
++p;
}
if (not)
return FNM_NOMATCH;
}
break;
default:
if (c != FOLD ((Uchar)*n))
return FNM_NOMATCH;
}
++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;
}
#endif /* _LIBC or not __GNU_LIBRARY__. */
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