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//
// mkdir.c
//
// Make directories
//
// Copyright (C) 2012 Michael Ringgaard. 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. Neither the name of the project 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
//
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <shlib.h>
#include <unistd.h>
#include <errno.h>
#include <sys/stat.h>
struct options {
int makepath;
char *mode;
};
static int make_directory(char *path, struct options *opts) {
char *p;
int mode;
if (opts->mode) {
mode = parse_symbolic_mode(opts->mode, 0);
if (mode == -1) {
fprintf(stderr, "%s: invalid mode\n", opts->mode);
return 1;
}
} else {
mode = 0777;
}
if (mkdir(path, mode) < 0) {
if (!opts->makepath) {
perror(path);
return 1;
}
p = path;
while (p) {
p = strchr(p, '/');
if (p) *p = 0;
if (mkdir(path, mode) < 0 && errno != EEXIST) {
perror(path);
return 1;
}
if (p) *p++ = '/';
}
}
return 0;
}
static void usage() {
fprintf(stderr, "usage: mkdir [OPTIONS] DIR...\n\n");
fprintf(stderr, " -p Create any missing intermediate pathname components\n");
fprintf(stderr, " -m mode Set file permission mode\n");
exit(1);
}
shellcmd(mkdir) {
struct options opts;
int c;
int i;
int rc;
// Parse command line options
memset(&opts, 0, sizeof(struct options));
while ((c = getopt(argc, argv, "pm:?")) != EOF) {
switch (c) {
case 'p':
opts.makepath = 1;
break;
case 'm':
opts.mode = optarg;
break;
case '?':
default:
usage();
}
}
if (optind == argc) usage();
for (i = optind; i < argc; i++) {
rc = make_directory(argv[i], &opts);
if (rc != 0) return 1;
}
return 0;
}