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Diffstat (limited to 'usr.bin/ar/misc.c')
-rw-r--r-- | usr.bin/ar/misc.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/usr.bin/ar/misc.c b/usr.bin/ar/misc.c new file mode 100644 index 0000000..d182fa9 --- /dev/null +++ b/usr.bin/ar/misc.c @@ -0,0 +1,148 @@ +/*- + * 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 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; +{ + + if (options & AR_TR) + return (!strncmp(chdr.name, rname(dest), OLDARMAXNAME)); + return (!strcmp(chdr.name, rname(dest))); +} + +void +badfmt() +{ + + errx(1, "%s: %s", archive, strerror(EFTYPE)); +} + +void +error(name) + char *name; +{ + + errx(1, "%s", name); +} |