rmdir/rmdir.c

   1 /*      $NetBSD: rmdir.c,v 1.16 1998/07/28 05:31:27 mycroft Exp $       */
   2
   3 /*-
   4  * Copyright (c) 1992, 1993, 1994
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed by the University of
  18  *      California, Berkeley and its contributors.
  19  * 4. Neither the name of the University nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include <sys/cdefs.h>
  37 #ifndef lint
  38 __COPYRIGHT("@(#) Copyright (c) 1992, 1993, 1994\n\
  39         The Regents of the University of California.  All rights reserved.\n");
  40 #endif /* not lint */
  41
  42 #ifndef lint
  43 #if 0
  44 static char sccsid[] = "@(#)rmdir.c     8.3 (Berkeley) 4/2/94";
  45 #else
  46 __RCSID("$NetBSD: rmdir.c,v 1.16 1998/07/28 05:31:27 mycroft Exp $");
  47 #endif
  48 #endif /* not lint */
  49
  50 #include <err.h>
  51 #include <errno.h>
  52 #include <stdio.h>
  53 #include <stdlib.h>
  54 #include <string.h>
  55 #include <locale.h>
  56 #include <unistd.h>
  57
  58 int rm_path __P((char *));
  59 void usage __P((void));
  60 int main __P((int, char *[]));
  61
  62 int
  63 main(argc, argv)
  64         int argc;
  65         char *argv[];
  66 {
  67         int ch, errors;
  68         int pflag;
  69
  70         (void)setlocale(LC_ALL, "");
  71
  72         pflag = 0;
  73         while ((ch = getopt(argc, argv, "p")) != -1)
  74                 switch(ch) {
  75                 case 'p':
  76                         pflag = 1;
  77                         break;
  78                 case '?':
  79                 default:
  80                         usage();
  81                 }
  82         argc -= optind;
  83         argv += optind;
  84
  85         if (argc == 0)
  86                 usage();
  87
  88         for (errors = 0; *argv; argv++) {
  89                 char *p;
  90
  91                 /* Delete trailing slashes, per POSIX. */
  92                 p = *argv + strlen(*argv);
  93                 while (--p > *argv && *p == '/')
  94                         ;
  95                 *++p = '\0';
  96
  97                 if (rmdir(*argv) < 0) {
  98                         warn("%s", *argv);
  99                         errors = 1;
 100                 } else if (pflag)
 101                         errors |= rm_path(*argv);
 102         }
 103
 104         exit(errors);
 105         /* NOTREACHED */
 106 }
 107
 108 int
 109 rm_path(path)
 110         char *path;
 111 {
 112         char *p;
 113
 114         while ((p = strrchr(path, '/')) != NULL) {
 115                 /* Delete trailing slashes. */
 116                 while (--p > path && *p == '/')
 117                         ;
 118                 *++p = '\0';
 119
 120                 if (rmdir(path) < 0) {
 121                         warn("%s", path);
 122                         return (1);
 123                 }
 124         }
 125
 126         return (0);
 127 }
 128
 129 void
 130 usage()
 131 {
 132
 133         (void)fprintf(stderr, "usage: rmdir [-p] directory ...\n");
 134         exit(1);
 135         /* NOTREACHED */
 136 }