2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1983, 1992, 1993
5 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
34 static char const copyright[] =
35 "@(#) Copyright (c) 1983, 1992, 1993\n\
36 The Regents of the University of California. All rights reserved.\n";
40 static char sccsid[] = "@(#)mkdir.c 8.2 (Berkeley) 1/25/94";
43 #include <sys/cdefs.h>
44 __FBSDID("$FreeBSD$");
46 #include <sys/types.h>
58 static int build(char *, mode_t);
59 static void usage(void);
64 main(int argc, char *argv[])
66 int ch, exitval, success, pflag;
73 while ((ch = getopt(argc, argv, "m:pv")) != -1)
95 omode = S_IRWXU | S_IRWXG | S_IRWXO;
97 if ((set = setmode(mode)) == NULL)
98 errx(1, "invalid file mode: %s", mode);
99 omode = getmode(set, S_IRWXU | S_IRWXG | S_IRWXO);
103 for (exitval = 0; *argv != NULL; ++argv) {
105 success = build(*argv, omode);
106 } else if (mkdir(*argv, omode) < 0) {
107 if (errno == ENOTDIR || errno == ENOENT)
108 warn("%s", dirname(*argv));
115 (void)printf("%s\n", *argv);
120 * The mkdir() and umask() calls both honor only the low
121 * nine bits, so if you try to set a mode including the
122 * sticky, setuid, setgid bits you lose them. Don't do
123 * this unless the user has specifically requested a mode,
124 * as chmod will (obviously) ignore the umask. Do this
125 * on newly created directories only.
127 if (success == 1 && mode != NULL && chmod(*argv, omode) == -1) {
137 * Returns 1 if a directory has been created,
138 * 2 if it already existed, and 0 on failure.
141 build(char *path, mode_t omode)
144 mode_t numask, oumask;
145 int first, last, retval;
151 if (p[0] == '/') /* Skip leading '/'. */
153 for (first = 1, last = 0; !last ; ++p) {
156 else if (p[0] != '/')
159 if (!last && p[1] == '\0')
164 * For each dir operand that does not name an existing
165 * directory, effects equivalent to those caused by the
166 * following command shall occcur:
168 * mkdir -p -m $(umask -S),u+wx $(dirname dir) &&
169 * mkdir [-m mode] dir
171 * We change the user's umask and then restore it,
172 * instead of doing chmod's.
175 numask = oumask & ~(S_IWUSR | S_IXUSR);
181 if (mkdir(path, last ? omode : S_IRWXU | S_IRWXG | S_IRWXO) < 0) {
182 if (errno == EEXIST || errno == EISDIR) {
183 if (stat(path, &sb) < 0) {
187 } else if (!S_ISDIR(sb.st_mode)) {
204 printf("%s\n", path);
217 (void)fprintf(stderr,
218 "usage: mkdir [-pv] [-m mode] directory_name ...\n");