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/* $NetBSD: excludes.c,v 1.3 2003/12/20 04:54:56 grant Exp $ */
/*
* Copyright 2000 Massachusetts Institute of Technology
*
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby
* granted, provided that both the above copyright notice and this
* permission notice appear in all copies, that both the above
* copyright notice and this permission notice appear in all
* supporting documentation, and that the name of M.I.T. not be used
* in advertising or publicity pertaining to distribution of the
* software without specific, written prior permission. M.I.T. makes
* no representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied
* warranty.
*
* THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS
* ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
* SHALL M.I.T. 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.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <nbcompat.h>
#if HAVE_SYS_CDEFS_H
#include <sys/cdefs.h>
#endif
#if defined(__RCSID) && !defined(lint)
__RCSID("$NetBSD: excludes.c,v 1.3 2003/12/20 04:54:56 grant Exp $");
#endif
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#if HAVE_SYS_QUEUE_H
#include <sys/queue.h>
#endif
#if HAVE_FNMATCH_H
#include <fnmatch.h>
#endif
#if HAVE_STDIO_H
#include <stdio.h>
#endif
#if HAVE_STDLIB_H
#include <stdlib.h>
#endif
#if HAVE_STRING_H
#include <string.h>
#endif
#if HAVE_TIME_H
#include <time.h>
#endif
#if HAVE_UTIL_H
#include <util.h>
#endif
#include "extern.h"
/*
* We're assuming that there won't be a whole lot of excludes,
* so it's OK to use a stupid algorithm.
*/
struct exclude {
LIST_ENTRY(exclude) link;
const char *glob;
int pathname;
};
static LIST_HEAD(, exclude) excludes;
void
init_excludes(void)
{
LIST_INIT(&excludes);
}
void
read_excludes_file(const char *name)
{
FILE *fp;
char *line;
struct exclude *e;
fp = fopen(name, "r");
if (fp == 0)
err(1, "%s", name);
while ((line = fparseln(fp, NULL, NULL, NULL,
FPARSELN_UNESCCOMM | FPARSELN_UNESCCONT | FPARSELN_UNESCESC))
!= NULL) {
if (line[0] == '\0')
continue;
if ((e = malloc(sizeof *e)) == NULL)
mtree_err("memory allocation error");
e->glob = line;
if (strchr(e->glob, '/') != NULL)
e->pathname = 1;
else
e->pathname = 0;
LIST_INSERT_HEAD(&excludes, e, link);
}
fclose(fp);
}
int
check_excludes(const char *fname, const char *path)
{
struct exclude *e;
/* fnmatch(3) has a funny return value convention... */
#define MATCH(g, n) (fnmatch((g), (n), FNM_PATHNAME) == 0)
e = LIST_FIRST(&excludes);
while (e) {
if ((e->pathname && MATCH(e->glob, path))
|| MATCH(e->glob, fname)) {
return (1);
}
e = LIST_NEXT(e, link);
}
return (0);
}
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