NetBSD/bin/mkdir/mkdir.c

143 lines
4.0 KiB
C

/*
* Copyright (c) 1983 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1983 Regents of the University of California.\n\
All rights reserved.\n";
#endif /* not lint */
#ifndef lint
/*static char sccsid[] = "from: @(#)mkdir.c 5.7 (Berkeley) 5/31/90";*/
static char rcsid[] = "$Id: mkdir.c,v 1.5 1993/08/01 18:59:23 mycroft Exp $";
#endif /* not lint */
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
extern int errno;
extern void *setmode();
extern mode_t getmode();
main(argc, argv)
int argc;
char **argv;
{
int ch, exitval, pflag;
void *set;
mode_t mode, dir_mode;
/* default file mode is a=rwx (777) with selected permissions
removed in accordance with the file mode creation mask.
For intermediate path name components, the mode is the default
modified by u+wx so that the subdirectories can always be
created. */
mode = 0777 & ~umask(0);
dir_mode = mode | S_IWUSR | S_IXUSR;
pflag = 0;
while ((ch = getopt(argc, argv, "pm:")) != EOF)
switch(ch) {
case 'p':
pflag = 1;
break;
case 'm':
if ((set = setmode(optarg)) == NULL) {
(void)fprintf(stderr,
"mkdir: invalid file mode.\n");
exit(1);
}
mode = getmode (set, S_IRWXU | S_IRWXG | S_IRWXO);
break;
case '?':
default:
usage();
}
if (!*(argv += optind))
usage();
for (exitval = 0; *argv; ++argv) {
if (pflag)
exitval |= build(*argv, mode, dir_mode);
else if (mkdir(*argv, mode) < 0) {
(void)fprintf(stderr, "mkdir: %s: %s\n",
*argv, strerror(errno));
exitval = 1;
}
}
exit(exitval);
}
/*
* build -- create directories.
* mode - file mode of terminal directory
* dir_mode - file mode of intermediate directories
*/
build(path, mode, dir_mode)
char *path;
mode_t mode;
mode_t dir_mode;
{
register char *p;
struct stat sb;
int ch;
for (p = path;; ++p) {
if (!*p || *p == '/') {
ch = *p;
*p = '\0';
if (stat(path, &sb)) {
if (errno != ENOENT || mkdir(path, (ch) ? dir_mode : mode) < 0) {
(void)fprintf(stderr, "mkdir: %s: %s\n",
path, strerror(errno));
return(1);
}
}
if (!(*p = ch))
break;
}
}
return(0);
}
usage()
{
(void)fprintf(stderr, "usage: mkdir [-p] [-m mode] dirname ...\n");
exit(1);
}