147 lines
3.6 KiB
C
147 lines
3.6 KiB
C
/*-
|
|
* Copyright (c) 1990, 1993, 1994
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Hugh Smith at The University of Guelph.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef lint
|
|
static const char sccsid[] = "@(#)misc.c 8.3 (Berkeley) 4/2/94";
|
|
#endif /* not lint */
|
|
|
|
#include <sys/param.h>
|
|
|
|
#include <dirent.h>
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <signal.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include "archive.h"
|
|
#include "extern.h"
|
|
#include "pathnames.h"
|
|
|
|
char *tname = "temporary file"; /* temporary file "name" */
|
|
|
|
int
|
|
tmp()
|
|
{
|
|
extern char *envtmp;
|
|
sigset_t set, oset;
|
|
static int first;
|
|
int fd;
|
|
char path[MAXPATHLEN];
|
|
|
|
if (!first && !envtmp) {
|
|
envtmp = getenv("TMPDIR");
|
|
first = 1;
|
|
}
|
|
|
|
if (envtmp)
|
|
(void)sprintf(path, "%s/%s", envtmp, _NAME_ARTMP);
|
|
else
|
|
strcpy(path, _PATH_ARTMP);
|
|
|
|
sigfillset(&set);
|
|
(void)sigprocmask(SIG_BLOCK, &set, &oset);
|
|
if ((fd = mkstemp(path)) == -1)
|
|
error(tname);
|
|
(void)unlink(path);
|
|
(void)sigprocmask(SIG_SETMASK, &oset, NULL);
|
|
return (fd);
|
|
}
|
|
|
|
/*
|
|
* files --
|
|
* See if the current file matches any file in the argument list; if it
|
|
* does, remove it from the argument list.
|
|
*/
|
|
char *
|
|
files(argv)
|
|
char **argv;
|
|
{
|
|
char **list, *p;
|
|
|
|
for (list = argv; *list; ++list)
|
|
if (compare(*list)) {
|
|
p = *list;
|
|
for (; (list[0] = list[1]); ++list)
|
|
continue;
|
|
return (p);
|
|
}
|
|
return (NULL);
|
|
}
|
|
|
|
void
|
|
orphans(argv)
|
|
char **argv;
|
|
{
|
|
|
|
for (; *argv; ++argv)
|
|
warnx("%s: not found in archive", *argv);
|
|
}
|
|
|
|
char *
|
|
rname(path)
|
|
char *path;
|
|
{
|
|
char *ind;
|
|
|
|
return ((ind = strrchr(path, '/')) ? ind + 1 : path);
|
|
}
|
|
|
|
int
|
|
compare(dest)
|
|
char *dest;
|
|
{
|
|
int maxname = (options & AR_TR) ? OLDARMAXNAME : MAXNAMLEN;
|
|
return (!strncmp(chdr.name, rname(dest), maxname));
|
|
}
|
|
|
|
void
|
|
badfmt()
|
|
{
|
|
|
|
errx(1, "%s: %s", archive, strerror(EFTYPE));
|
|
}
|
|
|
|
void
|
|
error(name)
|
|
char *name;
|
|
{
|
|
|
|
err(1, "%s", name);
|
|
}
|