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Annotation of src/usr.bin/ar/misc.c, Revision 1.7

1.7     ! deraadt     1: /*     $OpenBSD: misc.c,v 1.6 2003/06/12 20:58:08 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.
1.5       millert    19:  * 3. Neither the name of the University nor the names of its contributors
1.1       deraadt    20:  *    may be used to endorse or promote products derived from this software
                     21:  *    without specific prior written permission.
                     22:  *
                     23:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     24:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     25:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     26:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     27:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     28:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     29:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     30:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     31:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     32:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     33:  * SUCH DAMAGE.
                     34:  */
                     35:
                     36: #include <sys/param.h>
                     37:
                     38: #include <dirent.h>
                     39: #include <err.h>
                     40: #include <errno.h>
                     41: #include <signal.h>
                     42: #include <stdio.h>
                     43: #include <stdlib.h>
                     44: #include <string.h>
                     45: #include <unistd.h>
                     46:
                     47: #include "archive.h"
                     48: #include "extern.h"
                     49: #include "pathnames.h"
                     50:
                     51: char *tname = "temporary file";                /* temporary file "name" */
                     52:
                     53: int
1.6       deraadt    54: tmp(void)
1.1       deraadt    55: {
                     56:        extern char *envtmp;
                     57:        sigset_t set, oset;
                     58:        static int first;
                     59:        int fd;
                     60:        char path[MAXPATHLEN];
                     61:
                     62:        if (!first && !envtmp) {
                     63:                envtmp = getenv("TMPDIR");
                     64:                first = 1;
                     65:        }
                     66:
                     67:        if (envtmp)
1.4       fgsch      68:                (void)snprintf(path, sizeof(path), "%s/%s", envtmp,
                     69:                    _NAME_ARTMP);
1.1       deraadt    70:        else
1.4       fgsch      71:                strlcpy(path, _PATH_ARTMP, sizeof(path));
1.1       deraadt    72:
                     73:        sigfillset(&set);
                     74:        (void)sigprocmask(SIG_BLOCK, &set, &oset);
                     75:        if ((fd = mkstemp(path)) == -1)
                     76:                error(tname);
                     77:         (void)unlink(path);
                     78:        (void)sigprocmask(SIG_SETMASK, &oset, NULL);
                     79:        return (fd);
                     80: }
                     81:
                     82: /*
                     83:  * files --
                     84:  *     See if the current file matches any file in the argument list; if it
                     85:  *     does, remove it from the argument list.
                     86:  */
                     87: char *
1.6       deraadt    88: files(char **argv)
1.1       deraadt    89: {
                     90:        char **list, *p;
                     91:
                     92:        for (list = argv; *list; ++list)
                     93:                if (compare(*list)) {
                     94:                        p = *list;
1.3       deraadt    95:                        for (; (list[0] = list[1]); ++list)
1.1       deraadt    96:                                continue;
                     97:                        return (p);
                     98:                }
                     99:        return (NULL);
                    100: }
                    101:
                    102: void
1.6       deraadt   103: orphans(char **argv)
1.1       deraadt   104: {
                    105:
                    106:        for (; *argv; ++argv)
                    107:                warnx("%s: not found in archive", *argv);
                    108: }
                    109:
                    110: char *
1.6       deraadt   111: rname(char *path)
1.1       deraadt   112: {
                    113:        char *ind;
                    114:
                    115:        return ((ind = strrchr(path, '/')) ? ind + 1 : path);
                    116: }
                    117:
                    118: int
1.6       deraadt   119: compare(char *dest)
1.1       deraadt   120: {
                    121:
                    122:        if (options & AR_TR)
                    123:                return (!strncmp(chdr.name, rname(dest), OLDARMAXNAME));
                    124:        return (!strcmp(chdr.name, rname(dest)));
                    125: }
                    126:
                    127: void
1.6       deraadt   128: badfmt(void)
1.1       deraadt   129: {
                    130:
                    131:        errno = EFTYPE;
                    132:        err(1, "%s", archive);
                    133: }
                    134:
                    135: void
1.6       deraadt   136: error(char *name)
1.1       deraadt   137: {
                    138:
                    139:        err(1, "%s", name);
                    140: }