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15637ed4 RG |
1 | /*- |
2 | * Copyright (c) 1990 The Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * This code is derived from software contributed to Berkeley by | |
6 | * Hugh Smith at The University of Guelph. | |
7 | * | |
8 | * Redistribution and use in source and binary forms, with or without | |
9 | * modification, are permitted provided that the following conditions | |
10 | * are met: | |
11 | * 1. Redistributions of source code must retain the above copyright | |
12 | * notice, this list of conditions and the following disclaimer. | |
13 | * 2. Redistributions in binary form must reproduce the above copyright | |
14 | * notice, this list of conditions and the following disclaimer in the | |
15 | * documentation and/or other materials provided with the distribution. | |
16 | * 3. All advertising materials mentioning features or use of this software | |
17 | * must display the following acknowledgement: | |
18 | * This product includes software developed by the University of | |
19 | * California, Berkeley and its contributors. | |
20 | * 4. Neither the name of the University nor the names of its contributors | |
21 | * may be used to endorse or promote products derived from this software | |
22 | * without specific prior written permission. | |
23 | * | |
24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
34 | * SUCH DAMAGE. | |
35 | */ | |
36 | ||
37 | #ifndef lint | |
38 | static char sccsid[] = "@(#)misc.c 5.2 (Berkeley) 2/26/91"; | |
39 | #endif /* not lint */ | |
40 | ||
41 | #include <sys/param.h> | |
42 | #include <sys/signal.h> | |
43 | #include <errno.h> | |
44 | #include <unistd.h> | |
45 | #include <stdio.h> | |
46 | #include <stdlib.h> | |
47 | #include <string.h> | |
48 | #include "pathnames.h" | |
49 | ||
50 | extern char *archive; /* archive name */ | |
51 | char *tname = "temporary file"; /* temporary file "name" */ | |
52 | ||
53 | tmp() | |
54 | { | |
55 | sigset_t set, oset; | |
56 | int fd; | |
57 | char path[MAXPATHLEN]; | |
58 | ||
59 | bcopy(_PATH_RANTMP, path, sizeof(_PATH_RANTMP)); | |
60 | ||
61 | sigemptyset(&set); | |
62 | sigaddset(&set, SIGHUP); | |
63 | sigaddset(&set, SIGINT); | |
64 | sigaddset(&set, SIGQUIT); | |
65 | sigaddset(&set, SIGTERM); | |
66 | (void)sigprocmask(SIG_BLOCK, &set, &oset); | |
67 | if ((fd = mkstemp(path)) == -1) | |
68 | error(tname); | |
69 | (void)unlink(path); | |
70 | (void)sigprocmask(SIG_SETMASK, &oset, (sigset_t *)NULL); | |
71 | return(fd); | |
72 | } | |
73 | ||
74 | void * | |
75 | emalloc(len) | |
76 | int len; | |
77 | { | |
78 | char *p; | |
79 | ||
80 | if (!(p = malloc((u_int)len))) | |
81 | error(archive); | |
82 | return(p); | |
83 | } | |
84 | ||
85 | char * | |
86 | rname(path) | |
87 | char *path; | |
88 | { | |
89 | register char *ind; | |
90 | ||
91 | return((ind = rindex(path, '/')) ? ind + 1 : path); | |
92 | } | |
93 | ||
94 | badfmt() | |
95 | { | |
96 | errno = EFTYPE; | |
97 | error(archive); | |
98 | } | |
99 | ||
100 | error(name) | |
101 | char *name; | |
102 | { | |
103 | (void)fprintf(stderr, "ranlib: %s: %s\n", name, strerror(errno)); | |
104 | exit(1); | |
105 | } |