1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1983, 1992, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * $OpenBSD: mkpath.c,v 1.2 2005/06/20 07:14:06 otto Exp $
32 */
33
34#include <sys/types.h>
35#include <sys/stat.h>
36#include <err.h>
37#include <errno.h>
38#include <string.h>
39
40int	mkpath(char *);
41
42/* Code taken directly from mkdir(1).
43
44 * mkpath -- create directories.
45 *	path     - path
46 */
47int
48mkpath(char *path)
49{
50	struct stat sb;
51	char *slash;
52	int done = 0;
53
54	slash = path;
55
56	while (!done) {
57		slash += strspn(slash, "/");
58		slash += strcspn(slash, "/");
59
60		done = (*slash == '\0');
61		*slash = '\0';
62
63		if (stat(path, &sb)) {
64			if (errno != ENOENT || (mkdir(path, 0777) &&
65			    errno != EEXIST)) {
66				warn("%s", path);
67				return (-1);
68			}
69		} else if (!S_ISDIR(sb.st_mode)) {
70			warnx("%s: %s", path, strerror(ENOTDIR));
71			return (-1);
72		}
73
74		*slash = '/';
75	}
76
77	return (0);
78}
79
80