116 lines
3.7 KiB
C
116 lines
3.7 KiB
C
/*
|
|
* Copyright (c) 1989 The Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Guido van Rossum.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
/*
|
|
* Function fnmatch() as proposed in Posix 1003.2 B.6 (rev. 9).
|
|
* Compares a filename or pathname to a pattern.
|
|
*/
|
|
|
|
#include "tweak.h"
|
|
#include "common_def.h"
|
|
#ifdef HAVE_UNISTD_H
|
|
#ifndef __hpux
|
|
#include <unistd.h>
|
|
#endif
|
|
#endif
|
|
#include "my-string.h"
|
|
#include "find.h"
|
|
|
|
#define EOS '\0'
|
|
|
|
static char *rangematch PROTO2(register char *, pattern, register char, test)
|
|
{
|
|
register char c, c2;
|
|
int negate, ok;
|
|
|
|
if ( (negate = (*pattern == '!')) ) ++pattern;
|
|
|
|
/*
|
|
* TO DO: quoting
|
|
*/
|
|
|
|
for (ok = 0; (c = *pattern++) != ']';) {
|
|
if (c == EOS) return(NULL); /* illegal pattern */
|
|
if (*pattern == '-' && (c2 = pattern[1]) != EOS && c2 != ']') {
|
|
if (c <= test && test <= c2) ok = 1;
|
|
pattern += 2;
|
|
} else if (c == test) ok = 1;
|
|
}
|
|
return(ok == negate ? NULL : pattern);
|
|
}
|
|
|
|
int fnmatch PROTO2(register char *, pattern, register char *, string)
|
|
{
|
|
register char c;
|
|
char test;
|
|
|
|
for (;;)
|
|
switch (c = *pattern++) {
|
|
case EOS:
|
|
return(*string == EOS);
|
|
case '?':
|
|
if ((test = *string++) == EOS) return(0);
|
|
break;
|
|
case '*':
|
|
c = *pattern;
|
|
/* collapse multiple stars */
|
|
while (c == '*') c = *++pattern;
|
|
/* optimize for pattern with * at end or before / */
|
|
if (c == EOS) return(1);
|
|
|
|
/* general case, use recursion */
|
|
while ((test = *string) != EOS) {
|
|
if (fnmatch(pattern, string)) return(1);
|
|
++string;
|
|
}
|
|
return(0);
|
|
case '[':
|
|
if ((test = *string++) == EOS) return(0);
|
|
if ((pattern = rangematch(pattern, test)) == NULL) return(0);
|
|
break;
|
|
case '\\':
|
|
if ((c = *pattern++) == EOS) {
|
|
c = '\\';
|
|
--pattern;
|
|
}
|
|
if (c != *string++) return(0);
|
|
break;
|
|
default:
|
|
if (c != *string++) return(0);
|
|
break;
|
|
}
|
|
}
|