minix/usr.sbin/mtree/excludes.c
Thomas Veerman d433a56288 Import NetBSD mtree
mtree is only used for cross compilation at this point. Also, the
required patches to make it compile on Minix cripple it probably
enough to make it unusable anyway.
2012-06-18 10:54:49 +00:00

121 lines
3.1 KiB
C

/* $NetBSD: excludes.c,v 1.13 2004/06/20 22:20:18 jmc 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_NBTOOL_CONFIG_H
#include "nbtool_config.h"
#endif
#include <sys/cdefs.h>
#if defined(__RCSID) && !defined(lint)
__RCSID("$NetBSD: excludes.c,v 1.13 2004/06/20 22:20:18 jmc Exp $");
#endif
#include <sys/types.h>
#include <sys/queue.h>
#include <fnmatch.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <util.h>
#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);
}