Annotation of src/usr.bin/ar/misc.c, Revision 1.6
1.6 ! deraadt 1: /* $OpenBSD: misc.c,v 1.5 2003/06/03 02:56:05 millert 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: #ifndef lint
37: #if 0
38: static char sccsid[] = "@(#)misc.c 8.3 (Berkeley) 4/2/94";
39: #else
1.6 ! deraadt 40: static char rcsid[] = "$OpenBSD: misc.c,v 1.5 2003/06/03 02:56:05 millert Exp $";
1.1 deraadt 41: #endif
42: #endif /* not lint */
43:
44: #include <sys/param.h>
45:
46: #include <dirent.h>
47: #include <err.h>
48: #include <errno.h>
49: #include <signal.h>
50: #include <stdio.h>
51: #include <stdlib.h>
52: #include <string.h>
53: #include <unistd.h>
54:
55: #include "archive.h"
56: #include "extern.h"
57: #include "pathnames.h"
58:
59: char *tname = "temporary file"; /* temporary file "name" */
60:
61: int
1.6 ! deraadt 62: tmp(void)
1.1 deraadt 63: {
64: extern char *envtmp;
65: sigset_t set, oset;
66: static int first;
67: int fd;
68: char path[MAXPATHLEN];
69:
70: if (!first && !envtmp) {
71: envtmp = getenv("TMPDIR");
72: first = 1;
73: }
74:
75: if (envtmp)
1.4 fgsch 76: (void)snprintf(path, sizeof(path), "%s/%s", envtmp,
77: _NAME_ARTMP);
1.1 deraadt 78: else
1.4 fgsch 79: strlcpy(path, _PATH_ARTMP, sizeof(path));
1.1 deraadt 80:
81: sigfillset(&set);
82: (void)sigprocmask(SIG_BLOCK, &set, &oset);
83: if ((fd = mkstemp(path)) == -1)
84: error(tname);
85: (void)unlink(path);
86: (void)sigprocmask(SIG_SETMASK, &oset, NULL);
87: return (fd);
88: }
89:
90: /*
91: * files --
92: * See if the current file matches any file in the argument list; if it
93: * does, remove it from the argument list.
94: */
95: char *
1.6 ! deraadt 96: files(char **argv)
1.1 deraadt 97: {
98: char **list, *p;
99:
100: for (list = argv; *list; ++list)
101: if (compare(*list)) {
102: p = *list;
1.3 deraadt 103: for (; (list[0] = list[1]); ++list)
1.1 deraadt 104: continue;
105: return (p);
106: }
107: return (NULL);
108: }
109:
110: void
1.6 ! deraadt 111: orphans(char **argv)
1.1 deraadt 112: {
113:
114: for (; *argv; ++argv)
115: warnx("%s: not found in archive", *argv);
116: }
117:
118: char *
1.6 ! deraadt 119: rname(char *path)
1.1 deraadt 120: {
121: char *ind;
122:
123: return ((ind = strrchr(path, '/')) ? ind + 1 : path);
124: }
125:
126: int
1.6 ! deraadt 127: compare(char *dest)
1.1 deraadt 128: {
129:
130: if (options & AR_TR)
131: return (!strncmp(chdr.name, rname(dest), OLDARMAXNAME));
132: return (!strcmp(chdr.name, rname(dest)));
133: }
134:
135: void
1.6 ! deraadt 136: badfmt(void)
1.1 deraadt 137: {
138:
139: errno = EFTYPE;
140: err(1, "%s", archive);
141: }
142:
143: void
1.6 ! deraadt 144: error(char *name)
1.1 deraadt 145: {
146:
147: err(1, "%s", name);
148: }