2.11BSD#431 - /usr/src/bin/mkdir.c

   1: /*
   2:  * Copyright (c) 1983 Regents of the University of California.
   3:  * 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. All advertising materials mentioning features or use of this software
  14:  *    must display the following acknowledgement:
  15:  *	This product includes software developed by the University of
  16:  *	California, Berkeley and its contributors.
  17:  * 4. Neither the name of the University nor the names of its contributors
  18:  *    may be used to endorse or promote products derived from this software
  19:  *    without specific prior written permission.
  20:  *
  21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31:  * SUCH DAMAGE.
  32:  */
  33: 
  34: #if !defined(lint) && defined(DOSCCS)
  35: char copyright[] =
  36: "@(#) Copyright (c) 1983 Regents of the University of California.\n\
  37:  All rights reserved.\n";
  38: 
  39: static char sccsid[] = "@(#)mkdir.c	5.7 (Berkeley) 5/31/90";
  40: #endif /* not lint */
  41: 
  42: #include <sys/types.h>
  43: #include <sys/stat.h>
  44: #include <errno.h>
  45: #include <stdio.h>
  46: #include <string.h>
  47: 
  48: extern int errno;
  49: 
  50: main(argc, argv)
  51:     int argc;
  52:     char **argv;
  53: {
  54:     extern int optind;
  55:     int ch, exitval, pflag;
  56: 
  57:     pflag = 0;
  58:     while ((ch = getopt(argc, argv, "p")) != EOF)
  59:         switch(ch) {
  60:         case 'p':
  61:             pflag = 1;
  62:             break;
  63:         case '?':
  64:         default:
  65:             usage();
  66:         }
  67: 
  68:     if (!*(argv += optind))
  69:         usage();
  70: 
  71:     for (exitval = 0; *argv; ++argv)
  72:         if (pflag)
  73:             exitval |= build(*argv);
  74:         else if (mkdir(*argv, 0777) < 0) {
  75:             (void)fprintf(stderr, "mkdir: %s: %s\n",
  76:                 *argv, strerror(errno));
  77:             exitval = 1;
  78:         }
  79:     exit(exitval);
  80: }
  81: 
  82: build(path)
  83:     char *path;
  84: {
  85:     register char *p;
  86:     struct stat sb;
  87:     int create, ch;
  88: 
  89:     for (create = 0, p = path;; ++p)
  90:         if (!*p || *p  == '/') {
  91:             ch = *p;
  92:             *p = '\0';
  93:             if (stat(path, &sb)) {
  94:                 if (errno != ENOENT || mkdir(path, 0777) < 0) {
  95:                     (void)fprintf(stderr, "mkdir: %s: %s\n",
  96:                         path, strerror(errno));
  97:                     return(1);
  98:                 }
  99:                 create = 1;
 100:             }
 101:             if (!(*p = ch))
 102:                 break;
 103:         }
 104:     if (!create) {
 105:         (void)fprintf(stderr, "mkdir: %s: %s\n", path,
 106:             strerror(EEXIST));
 107:         return(1);
 108:     }
 109:     return(0);
 110: }
 111: 
 112: usage()
 113: {
 114:     (void)fprintf(stderr, "usage: mkdir [-p] dirname ...\n");
 115:     exit(1);
 116: }

Defined functions

Defined variables