bin/rmdir/rmdir.c

   1 /*-
   2  * Copyright (c) 1992, 1993, 1994
   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  * @(#) Copyright (c) 1992, 1993, 1994 The Regents of the University of California.  All rights reserved.
  30  * @(#)rmdir.c  8.3 (Berkeley) 4/2/94
  31  * $FreeBSD: src/bin/rmdir/rmdir.c,v 1.9.2.2 2001/08/01 05:16:47 obrien Exp $
  32  * $DragonFly: src/bin/rmdir/rmdir.c,v 1.7 2005/01/24 18:58:20 liamfoy Exp $
  33  */
  34
  35 #include <err.h>
  36 #include <stdio.h>
  37 #include <stdlib.h>
  38 #include <string.h>
  39 #include <unistd.h>
  40
  41 static int      rm_path(char *);
  42 static void     usage(void);
  43
  44 static int      vflag;
  45
  46 int
  47 main(int argc, char **argv)
  48 {
  49         int ch, errors;
  50         int pflag;
  51
  52         pflag = 0;
  53         while ((ch = getopt(argc, argv, "pv")) != -1)
  54                 switch(ch) {
  55                 case 'p':
  56                         pflag = 1;
  57                         break;
  58                 case 'v':
  59                         vflag = 1;
  60                         break;
  61                 case '?':
  62                 default:
  63                         usage();
  64                 }
  65         argc -= optind;
  66         argv += optind;
  67
  68         if (argc == 0)
  69                 usage();
  70
  71         for (errors = 0; *argv; argv++) {
  72                 if (rmdir(*argv) < 0) {
  73                         warn("%s", *argv);
  74                         errors = 1;
  75                 } else {
  76                         if (vflag)
  77                                 printf("removed: %s\n", *argv);
  78
  79                         if (pflag)
  80                                 errors |= rm_path(*argv);
  81                 }
  82         }
  83
  84         exit(errors);
  85 }
  86
  87 static int
  88 rm_path(char *path)
  89 {
  90         char *p;
  91
  92         p = path + strlen(path);
  93         while (--p > path && *p == '/')
  94                 ;
  95         *++p = '\0';
  96         while ((p = strrchr(path, '/')) != NULL) {
  97                 /* Delete trailing slashes. */
  98                 while (--p > path && *p == '/')
  99                         ;
 100                 *++p = '\0';
 101
 102                 if (rmdir(path) < 0) {
 103                         warn("%s", path);
 104                         return (1);
 105                 } else if (vflag) {
 106                         printf("removed: %s\n", path);
 107                 }
 108         }
 109
 110         return (0);
 111 }
 112
 113 static void
 114 usage(void)
 115 {
 116         fprintf(stderr, "usage: rmdir [-pv] directory ...\n");
 117         exit(1);
 118 }