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author | wollman <wollman@FreeBSD.org> | 2000-05-12 03:03:00 +0000 |
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committer | wollman <wollman@FreeBSD.org> | 2000-05-12 03:03:00 +0000 |
commit | 198f09c6490f91ae9c9c8efea0c89ab39cf74eae (patch) | |
tree | 449573864446544da5244e027fd71c8143d7aabf /usr.sbin/mtree/excludes.c | |
parent | 1ec3688bd005be0ac734c873c8de9e941e8ee02c (diff) | |
download | FreeBSD-src-198f09c6490f91ae9c9c8efea0c89ab39cf74eae.zip FreeBSD-src-198f09c6490f91ae9c9c8efea0c89ab39cf74eae.tar.gz |
Give mtree the ability to exclude files and directories from its traversal.
PR: 16944
Diffstat (limited to 'usr.sbin/mtree/excludes.c')
-rw-r--r-- | usr.sbin/mtree/excludes.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/usr.sbin/mtree/excludes.c b/usr.sbin/mtree/excludes.c new file mode 100644 index 0000000..86c7cdf --- /dev/null +++ b/usr.sbin/mtree/excludes.c @@ -0,0 +1,107 @@ +/* + * 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. + */ + +static const char rcsid[] = + "$FreeBSD$"; + +#include <sys/types.h> +#include <sys/queue.h> + +#include <err.h> +#include <fnmatch.h> +#include <fts.h> +#include <stdio.h> +#include <stdlib.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, *str; + struct exclude *e; + size_t len; + + fp = fopen(name, "r"); + if (fp == 0) + err(1, "%s", name); + + while ((line = fgetln(fp, &len)) != 0) { + if (line[len - 1] == '\n') + len--; + if (len == 0) + continue; + + str = malloc(len + 1); + e = malloc(sizeof *e); + if (str == 0 || e == 0) + errx(1, "memory allocation error"); + e->glob = str; + memcpy(str, line, len); + str[len] = '\0'; + if (strchr(str, '/')) + 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) + + for (e = excludes.lh_first; e != 0; e = e->link.le_next) { + if (e->pathname && MATCH(e->glob, path) + || MATCH(e->glob, fname)) + return 1; + } + return 0; +} |