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Annotation of src/usr.bin/ranlib/misc.c, Revision 1.5

1.5     ! espie       1: /*     $OpenBSD: misc.c,v 1.4 1999/08/27 08:43:22 fgsch Exp $  */
1.2       deraadt     2:
1.1       deraadt     3: /*-
                      4:  * Copyright (c) 1990 The Regents of the University of California.
                      5:  * 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: /*static char sccsid[] = "from: @(#)misc.c     5.2 (Berkeley) 2/26/91";*/
1.5     ! espie      41: static char rcsid[] = "$OpenBSD: misc.c,v 1.4 1999/08/27 08:43:22 fgsch Exp $";
1.1       deraadt    42: #endif /* not lint */
                     43:
                     44: #include <sys/param.h>
                     45: #include <signal.h>
                     46: #include <errno.h>
                     47: #include <unistd.h>
                     48: #include <stdio.h>
                     49: #include <stdlib.h>
                     50: #include <string.h>
                     51: #include "pathnames.h"
1.5     ! espie      52: #include "extern.h"
1.1       deraadt    53:
1.5     ! espie      54: char *tname = "temporary file";
1.1       deraadt    55:
1.5     ! espie      56: int
1.1       deraadt    57: tmp()
                     58: {
                     59:        static char *envtmp;
                     60:        sigset_t set, oset;
                     61:        static int first;
                     62:        int fd;
                     63:        char path[MAXPATHLEN];
                     64:
                     65:        if (!first) {
                     66:                envtmp = getenv("TMPDIR");
                     67:                first = 1;
                     68:        }
                     69:
                     70:        if (envtmp)
1.4       fgsch      71:                (void)snprintf(path, sizeof(path), "%s/%s", envtmp,
                     72:                    _NAME_RANTMP);
1.1       deraadt    73:        else
1.4       fgsch      74:                strlcpy(path, _PATH_RANTMP, sizeof(path));
1.1       deraadt    75:
                     76:        sigemptyset(&set);
                     77:        sigaddset(&set, SIGHUP);
                     78:        sigaddset(&set, SIGINT);
                     79:        sigaddset(&set, SIGQUIT);
                     80:        sigaddset(&set, SIGTERM);
                     81:        (void)sigprocmask(SIG_BLOCK, &set, &oset);
                     82:        if ((fd = mkstemp(path)) == -1)
                     83:                error(tname);
1.5     ! espie      84:        (void)unlink(path);
1.1       deraadt    85:        (void)sigprocmask(SIG_SETMASK, &oset, (sigset_t *)NULL);
                     86:        return(fd);
                     87: }
                     88:
                     89: void *
                     90: emalloc(len)
1.5     ! espie      91:        size_t len;
1.1       deraadt    92: {
1.5     ! espie      93:        void *p;
1.1       deraadt    94:
1.5     ! espie      95:        if (!(p = malloc(len)))
1.1       deraadt    96:                error(archive);
                     97:        return(p);
                     98: }
                     99:
1.5     ! espie     100: const char *
1.1       deraadt   101: rname(path)
1.5     ! espie     102:        const char *path;
1.1       deraadt   103: {
1.5     ! espie     104:        register const char *ind;
1.1       deraadt   105:
1.3       millert   106:        return((ind = strrchr(path, '/')) ? ind + 1 : path);
1.1       deraadt   107: }
                    108:
1.5     ! espie     109: void
1.1       deraadt   110: badfmt()
                    111: {
                    112:        errno = EFTYPE;
                    113:        error(archive);
                    114: }
                    115:
1.5     ! espie     116: void
1.1       deraadt   117: error(name)
1.5     ! espie     118:        const char *name;
1.1       deraadt   119: {
1.5     ! espie     120:
        !           121:        err(1, "%s", name);
1.1       deraadt   122: }