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/*
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 * Copyright (c) 1983, 1992, 1993
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 *        The Regents of the University of California.  All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. Neither the name of the University nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 */
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#include <sys/mount.h>
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#include <unistd.h>
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#include <err.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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#ifdef CMDBOX
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#define main(argc, argv)        mkdir_main(argc, argv)
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#endif
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static int        build(char *);
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static void        usage(void);
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int
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main(int argc, char *argv[])
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{
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        int ch, exitval, pflag;
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        pflag = 0;
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        while ((ch = getopt(argc, argv, "p")) != EOF)
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                switch(ch) {
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                case 'p':
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                        pflag = 1;
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                        break;
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                case '?':
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                default:
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                        usage();
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                }
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        argc -= optind;
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        argv += optind;
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        if (argv[0] == NULL)
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                usage();
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        for (exitval = 0; *argv != NULL; ++argv) {
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                if (pflag && build(*argv)) {
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                        exitval = 1;
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                        continue;
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                }
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                if (mkdir(*argv,
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                          (mode_t)(S_IRWXU | S_IRWXG | S_IRWXO)) < 0) {
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                        warn("%s", *argv);
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                        exitval = 1;
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                }
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        }
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        exit(exitval);
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        /* NOTREACHED */
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}
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static int
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build(path)
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        char *path;
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{
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        struct stat sb;
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        char *p;
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        p = path;
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        if (p[0] == '/')                /* Skip leading '/'. */
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                ++p;
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        for (;; ++p) {
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                if (p[0] == '\0' || (p[0] == '/' && p[1] == '\0'))
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                        break;
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                if (p[0] != '/')
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                        continue;
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                *p = '\0';
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                if (stat(path, &sb)) {
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                        if (errno != ENOENT ||
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                            mkdir(path, (mode_t)(S_IRWXU | S_IRWXG | S_IRWXO)) < 0) {
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                                warn("%s", path);
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                                return 1;
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                        }
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                }
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                *p = '/';
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        }
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        return 0;
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}
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static void
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usage()
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{
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        (void)fprintf(stderr, "usage: mkdir [-p] directory ...\n");
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        exit (1);
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}