Annotation of prex/usr/bin/mkdir/mkdir.c, Revision 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: }
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