1 /*
2 * $OpenBSD: mkpath.c,v 1.2 2005/06/20 07:14:06 otto Exp $
3 * $DragonFly: src/usr.bin/patch/mkpath.c,v 1.1 2007/09/29 23:11:10 swildner Exp $
4 * $NetBSD: mkpath.c,v 1.1 2008/09/19 18:33:34 joerg Exp $
5 */
6
7 /*
8 * Copyright (c) 1983, 1992, 1993
9 * The Regents of the University of California. All rights reserved.
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. Neither the name of the University nor the names of its contributors
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/cdefs.h>
37 __RCSID("$NetBSD: mkpath.c,v 1.1 2008/09/19 18:33:34 joerg Exp $");
38
39 #include <sys/types.h>
40 #include <sys/stat.h>
41 #include <err.h>
42 #include <errno.h>
43 #include <string.h>
44
45 int mkpath(char *);
46
47 /* Code taken directly from mkdir(1).
48
49 * mkpath -- create directories.
50 * path - path
51 */
52 int
mkpath(char * path)53 mkpath(char *path)
54 {
55 struct stat sb;
56 char *slash;
57 int done = 0;
58
59 slash = path;
60
61 while (!done) {
62 slash += strspn(slash, "/");
63 slash += strcspn(slash, "/");
64
65 done = (*slash == '\0');
66 *slash = '\0';
67
68 if (stat(path, &sb)) {
69 if (errno != ENOENT || (mkdir(path, 0777) &&
70 errno != EEXIST)) {
71 warn("%s", path);
72 return (-1);
73 }
74 } else if (!S_ISDIR(sb.st_mode)) {
75 warnx("%s: %s", path, strerror(ENOTDIR));
76 return (-1);
77 }
78
79 *slash = '/';
80 }
81
82 return (0);
83 }
84
85