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Annotation of prex-old/usr/bin/mkdir/mkdir.c, Revision 1.1.1.1

1.1       nbrk        1: /*
                      2:  * Copyright (c) 1983, 1992, 1993
                      3:  *     The Regents of the University of California.  All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms, with or without
                      6:  * modification, are permitted provided that the following conditions
                      7:  * are met:
                      8:  * 1. Redistributions of source code must retain the above copyright
                      9:  *    notice, this list of conditions and the following disclaimer.
                     10:  * 2. Redistributions in binary form must reproduce the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer in the
                     12:  *    documentation and/or other materials provided with the distribution.
                     13:  * 3. Neither the name of the University nor the names of its contributors
                     14:  *    may be used to endorse or promote products derived from this software
                     15:  *    without specific prior written permission.
                     16:  *
                     17:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     18:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     19:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     20:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     21:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     22:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     23:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     24:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     25:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     26:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     27:  * SUCH DAMAGE.
                     28:  */
                     29:
                     30: #include <sys/mount.h>
                     31:
                     32: #include <unistd.h>
                     33: #include <err.h>
                     34: #include <stdlib.h>
                     35: #include <stdio.h>
                     36: #include <errno.h>
                     37:
                     38: #ifdef CMDBOX
                     39: #define main(argc, argv)       mkdir_main(argc, argv)
                     40: #endif
                     41:
                     42: static int     build(char *);
                     43: static void    usage(void);
                     44:
                     45: int
                     46: main(int argc, char *argv[])
                     47: {
                     48:        int ch, exitval, pflag;
                     49:
                     50:        pflag = 0;
                     51:        while ((ch = getopt(argc, argv, "p")) != EOF)
                     52:                switch(ch) {
                     53:                case 'p':
                     54:                        pflag = 1;
                     55:                        break;
                     56:                case '?':
                     57:                default:
                     58:                        usage();
                     59:                }
                     60:        argc -= optind;
                     61:        argv += optind;
                     62:
                     63:        if (argv[0] == NULL)
                     64:                usage();
                     65:
                     66:        for (exitval = 0; *argv != NULL; ++argv) {
                     67:                if (pflag && build(*argv)) {
                     68:                        exitval = 1;
                     69:                        continue;
                     70:                }
                     71:                if (mkdir(*argv, S_IRWXU | S_IRWXG | S_IRWXO) < 0) {
                     72:                        warn("%s", *argv);
                     73:                        exitval = 1;
                     74:                }
                     75:        }
                     76:        exit(exitval);
                     77:        /* NOTREACHED */
                     78: }
                     79:
                     80: static int
                     81: build(path)
                     82:        char *path;
                     83: {
                     84:        struct stat sb;
                     85:        char *p;
                     86:
                     87:        p = path;
                     88:        if (p[0] == '/')                /* Skip leading '/'. */
                     89:                ++p;
                     90:        for (;; ++p) {
                     91:                if (p[0] == '\0' || (p[0] == '/' && p[1] == '\0'))
                     92:                        break;
                     93:                if (p[0] != '/')
                     94:                        continue;
                     95:                *p = '\0';
                     96:                if (stat(path, &sb)) {
                     97:                        if (errno != ENOENT ||
                     98:                            mkdir(path, S_IRWXU | S_IRWXG | S_IRWXO) < 0) {
                     99:                                warn("%s", path);
                    100:                                return (1);
                    101:                        }
                    102:                }
                    103:                *p = '/';
                    104:        }
                    105:        return (0);
                    106: }
                    107:
                    108: static void
                    109: usage()
                    110: {
                    111:        (void)fprintf(stderr, "usage: mkdir [-p] directory ...\n");
                    112:        exit (1);
                    113: }