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- /*-
- * 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);
- }
-