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Annotation of src/usr.bin/ar/misc.c, Revision 1.3

1.3     ! deraadt     1: /*     $OpenBSD: misc.c,v 1.2 1996/06/26 05:31:21 deraadt Exp $        */
1.1       deraadt     2: /*     $NetBSD: misc.c,v 1.6 1995/03/26 03:27:55 glass Exp $   */
                      3:
                      4: /*-
                      5:  * Copyright (c) 1990, 1993, 1994
                      6:  *     The Regents of the University of California.  All rights reserved.
                      7:  *
                      8:  * This code is derived from software contributed to Berkeley by
                      9:  * Hugh Smith at The University of Guelph.
                     10:  *
                     11:  * Redistribution and use in source and binary forms, with or without
                     12:  * modification, are permitted provided that the following conditions
                     13:  * are met:
                     14:  * 1. Redistributions of source code must retain the above copyright
                     15:  *    notice, this list of conditions and the following disclaimer.
                     16:  * 2. Redistributions in binary form must reproduce the above copyright
                     17:  *    notice, this list of conditions and the following disclaimer in the
                     18:  *    documentation and/or other materials provided with the distribution.
                     19:  * 3. All advertising materials mentioning features or use of this software
                     20:  *    must display the following acknowledgement:
                     21:  *     This product includes software developed by the University of
                     22:  *     California, Berkeley and its contributors.
                     23:  * 4. Neither the name of the University nor the names of its contributors
                     24:  *    may be used to endorse or promote products derived from this software
                     25:  *    without specific prior written permission.
                     26:  *
                     27:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     28:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     29:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     30:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     31:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     32:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     33:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     34:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     35:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     36:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     37:  * SUCH DAMAGE.
                     38:  */
                     39:
                     40: #ifndef lint
                     41: #if 0
                     42: static char sccsid[] = "@(#)misc.c     8.3 (Berkeley) 4/2/94";
                     43: #else
1.3     ! deraadt    44: static char rcsid[] = "$OpenBSD: misc.c,v 1.2 1996/06/26 05:31:21 deraadt Exp $";
1.1       deraadt    45: #endif
                     46: #endif /* not lint */
                     47:
                     48: #include <sys/param.h>
                     49:
                     50: #include <dirent.h>
                     51: #include <err.h>
                     52: #include <errno.h>
                     53: #include <signal.h>
                     54: #include <stdio.h>
                     55: #include <stdlib.h>
                     56: #include <string.h>
                     57: #include <unistd.h>
                     58:
                     59: #include "archive.h"
                     60: #include "extern.h"
                     61: #include "pathnames.h"
                     62:
                     63: char *tname = "temporary file";                /* temporary file "name" */
                     64:
                     65: int
                     66: tmp()
                     67: {
                     68:        extern char *envtmp;
                     69:        sigset_t set, oset;
                     70:        static int first;
                     71:        int fd;
                     72:        char path[MAXPATHLEN];
                     73:
                     74:        if (!first && !envtmp) {
                     75:                envtmp = getenv("TMPDIR");
                     76:                first = 1;
                     77:        }
                     78:
                     79:        if (envtmp)
                     80:                (void)sprintf(path, "%s/%s", envtmp, _NAME_ARTMP);
                     81:        else
                     82:                strcpy(path, _PATH_ARTMP);
                     83:
                     84:        sigfillset(&set);
                     85:        (void)sigprocmask(SIG_BLOCK, &set, &oset);
                     86:        if ((fd = mkstemp(path)) == -1)
                     87:                error(tname);
                     88:         (void)unlink(path);
                     89:        (void)sigprocmask(SIG_SETMASK, &oset, NULL);
                     90:        return (fd);
                     91: }
                     92:
                     93: /*
                     94:  * files --
                     95:  *     See if the current file matches any file in the argument list; if it
                     96:  *     does, remove it from the argument list.
                     97:  */
                     98: char *
                     99: files(argv)
                    100:        char **argv;
                    101: {
                    102:        char **list, *p;
                    103:
                    104:        for (list = argv; *list; ++list)
                    105:                if (compare(*list)) {
                    106:                        p = *list;
1.3     ! deraadt   107:                        for (; (list[0] = list[1]); ++list)
1.1       deraadt   108:                                continue;
                    109:                        return (p);
                    110:                }
                    111:        return (NULL);
                    112: }
                    113:
                    114: void
                    115: orphans(argv)
                    116:        char **argv;
                    117: {
                    118:
                    119:        for (; *argv; ++argv)
                    120:                warnx("%s: not found in archive", *argv);
                    121: }
                    122:
                    123: char *
                    124: rname(path)
                    125:        char *path;
                    126: {
                    127:        char *ind;
                    128:
                    129:        return ((ind = strrchr(path, '/')) ? ind + 1 : path);
                    130: }
                    131:
                    132: int
                    133: compare(dest)
                    134:        char *dest;
                    135: {
                    136:
                    137:        if (options & AR_TR)
                    138:                return (!strncmp(chdr.name, rname(dest), OLDARMAXNAME));
                    139:        return (!strcmp(chdr.name, rname(dest)));
                    140: }
                    141:
                    142: void
                    143: badfmt()
                    144: {
                    145:
                    146:        errno = EFTYPE;
                    147:        err(1, "%s", archive);
                    148: }
                    149:
                    150: void
                    151: error(name)
                    152:        char *name;
                    153: {
                    154:
                    155:        err(1, "%s", name);
                    156: }