NetBSD/usr.bin/ar/misc.c

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C
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1993-03-21 12:45:37 +03:00
/*-
* Copyright (c) 1990 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 char sccsid[] = "@(#)misc.c 5.7 (Berkeley) 5/27/91";
#endif /* not lint */
#include <sys/param.h>
#include <sys/errno.h>
#include <signal.h>
#include <dirent.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "archive.h"
#include "extern.h"
#include "pathnames.h"
extern CHDR chdr; /* converted header */
extern char *archive; /* archive name */
char *tname = "temporary file"; /* temporary file "name" */
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
bcopy(_PATH_ARTMP, path, sizeof(_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;
{
register char **list;
char *p;
for (list = argv; *list; ++list)
if (compare(*list)) {
p = *list;
for (; list[0] = list[1]; ++list);
return(p);
}
return(NULL);
}
void
orphans(argv)
char **argv;
{
for (; *argv; ++argv)
(void)fprintf(stderr,
"ar: %s: not found in archive.\n", *argv);
}
char *
rname(path)
char *path;
{
register char *ind;
return((ind = rindex(path, '/')) ? ind + 1 : path);
}
compare(dest)
char *dest;
{
if (options & AR_TR)
return(!strncmp(chdr.name, rname(dest), OLDARMAXNAME));
return(!strcmp(chdr.name, rname(dest)));
}
void
badfmt()
{
errno = EFTYPE;
error(archive);
}
void
error(name)
char *name;
{
(void)fprintf(stderr, "ar: %s: %s\n", name, strerror(errno));
exit(1);
}