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112 lines
2.9 KiB
C
112 lines
2.9 KiB
C
/*
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* Copyright 2000 Massachusetts Institute of Technology
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*
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* Permission to use, copy, modify, and distribute this software and
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* its documentation for any purpose and without fee is hereby
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* granted, provided that both the above copyright notice and this
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* permission notice appear in all copies, that both the above
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* copyright notice and this permission notice appear in all
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* supporting documentation, and that the name of M.I.T. not be used
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* in advertising or publicity pertaining to distribution of the
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* software without specific, written prior permission. M.I.T. makes
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* no representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied
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* warranty.
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*
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* THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS
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* ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
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* SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <sys/time.h> /* XXX for mtree.h */
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#include <sys/queue.h>
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#include <err.h>
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#include <fnmatch.h>
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#include <fts.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "mtree.h" /* XXX for extern.h */
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#include "extern.h"
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/*
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* We're assuming that there won't be a whole lot of excludes,
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* so it's OK to use a stupid algorithm.
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*/
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struct exclude {
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LIST_ENTRY(exclude) link;
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const char *glob;
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int pathname;
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};
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static LIST_HEAD(, exclude) excludes;
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void
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init_excludes(void)
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{
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LIST_INIT(&excludes);
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}
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void
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read_excludes_file(const char *name)
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{
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FILE *fp;
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char *line, *str;
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struct exclude *e;
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size_t len;
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fp = fopen(name, "r");
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if (fp == 0)
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err(1, "%s", name);
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while ((line = fgetln(fp, &len)) != 0) {
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if (line[len - 1] == '\n')
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len--;
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if (len == 0)
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continue;
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str = malloc(len + 1);
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e = malloc(sizeof *e);
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if (str == 0 || e == 0)
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errx(1, "memory allocation error");
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e->glob = str;
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memcpy(str, line, len);
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str[len] = '\0';
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if (strchr(str, '/'))
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e->pathname = 1;
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else
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e->pathname = 0;
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LIST_INSERT_HEAD(&excludes, e, link);
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}
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fclose(fp);
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}
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int
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check_excludes(const char *fname, const char *path)
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{
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struct exclude *e;
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/* fnmatch(3) has a funny return value convention... */
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#define MATCH(g, n) (fnmatch((g), (n), FNM_PATHNAME) == 0)
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LIST_FOREACH(e, &excludes, link) {
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if ((e->pathname && MATCH(e->glob, path))
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|| MATCH(e->glob, fname))
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return 1;
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}
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return 0;
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}
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