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Annotation of src/usr.bin/ar/misc.c, Revision 1.1.1.1

1.1       deraadt     1: /*     $NetBSD: misc.c,v 1.6 1995/03/26 03:27:55 glass Exp $   */
                      2:
                      3: /*-
                      4:  * Copyright (c) 1990, 1993, 1994
                      5:  *     The Regents of the University of California.  All rights reserved.
                      6:  *
                      7:  * This code is derived from software contributed to Berkeley by
                      8:  * Hugh Smith at The University of Guelph.
                      9:  *
                     10:  * Redistribution and use in source and binary forms, with or without
                     11:  * modification, are permitted provided that the following conditions
                     12:  * are met:
                     13:  * 1. Redistributions of source code must retain the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer.
                     15:  * 2. Redistributions in binary form must reproduce the above copyright
                     16:  *    notice, this list of conditions and the following disclaimer in the
                     17:  *    documentation and/or other materials provided with the distribution.
                     18:  * 3. All advertising materials mentioning features or use of this software
                     19:  *    must display the following acknowledgement:
                     20:  *     This product includes software developed by the University of
                     21:  *     California, Berkeley and its contributors.
                     22:  * 4. Neither the name of the University nor the names of its contributors
                     23:  *    may be used to endorse or promote products derived from this software
                     24:  *    without specific prior written permission.
                     25:  *
                     26:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     27:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     28:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     29:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     30:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     31:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     32:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     33:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     34:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     35:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     36:  * SUCH DAMAGE.
                     37:  */
                     38:
                     39: #ifndef lint
                     40: #if 0
                     41: static char sccsid[] = "@(#)misc.c     8.3 (Berkeley) 4/2/94";
                     42: #else
                     43: static char rcsid[] = "$NetBSD: misc.c,v 1.6 1995/03/26 03:27:55 glass Exp $";
                     44: #endif
                     45: #endif /* not lint */
                     46:
                     47: #include <sys/param.h>
                     48:
                     49: #include <dirent.h>
                     50: #include <err.h>
                     51: #include <errno.h>
                     52: #include <signal.h>
                     53: #include <stdio.h>
                     54: #include <stdlib.h>
                     55: #include <string.h>
                     56: #include <unistd.h>
                     57:
                     58: #include "archive.h"
                     59: #include "extern.h"
                     60: #include "pathnames.h"
                     61:
                     62: char *tname = "temporary file";                /* temporary file "name" */
                     63:
                     64: int
                     65: tmp()
                     66: {
                     67:        extern char *envtmp;
                     68:        sigset_t set, oset;
                     69:        static int first;
                     70:        int fd;
                     71:        char path[MAXPATHLEN];
                     72:
                     73:        if (!first && !envtmp) {
                     74:                envtmp = getenv("TMPDIR");
                     75:                first = 1;
                     76:        }
                     77:
                     78:        if (envtmp)
                     79:                (void)sprintf(path, "%s/%s", envtmp, _NAME_ARTMP);
                     80:        else
                     81:                strcpy(path, _PATH_ARTMP);
                     82:
                     83:        sigfillset(&set);
                     84:        (void)sigprocmask(SIG_BLOCK, &set, &oset);
                     85:        if ((fd = mkstemp(path)) == -1)
                     86:                error(tname);
                     87:         (void)unlink(path);
                     88:        (void)sigprocmask(SIG_SETMASK, &oset, NULL);
                     89:        return (fd);
                     90: }
                     91:
                     92: /*
                     93:  * files --
                     94:  *     See if the current file matches any file in the argument list; if it
                     95:  *     does, remove it from the argument list.
                     96:  */
                     97: char *
                     98: files(argv)
                     99:        char **argv;
                    100: {
                    101:        char **list, *p;
                    102:
                    103:        for (list = argv; *list; ++list)
                    104:                if (compare(*list)) {
                    105:                        p = *list;
                    106:                        for (; list[0] = list[1]; ++list)
                    107:                                continue;
                    108:                        return (p);
                    109:                }
                    110:        return (NULL);
                    111: }
                    112:
                    113: void
                    114: orphans(argv)
                    115:        char **argv;
                    116: {
                    117:
                    118:        for (; *argv; ++argv)
                    119:                warnx("%s: not found in archive", *argv);
                    120: }
                    121:
                    122: char *
                    123: rname(path)
                    124:        char *path;
                    125: {
                    126:        char *ind;
                    127:
                    128:        return ((ind = strrchr(path, '/')) ? ind + 1 : path);
                    129: }
                    130:
                    131: int
                    132: compare(dest)
                    133:        char *dest;
                    134: {
                    135:
                    136:        if (options & AR_TR)
                    137:                return (!strncmp(chdr.name, rname(dest), OLDARMAXNAME));
                    138:        return (!strcmp(chdr.name, rname(dest)));
                    139: }
                    140:
                    141: void
                    142: badfmt()
                    143: {
                    144:
                    145:        errno = EFTYPE;
                    146:        err(1, "%s", archive);
                    147: }
                    148:
                    149: void
                    150: error(name)
                    151:        char *name;
                    152: {
                    153:
                    154:        err(1, "%s", name);
                    155: }