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. 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  * @(#) Copyright (c) 1992, 1993, 1994 The Regents of the University of California.  All rights reserved.
  34  * @(#)rmdir.c  8.3 (Berkeley) 4/2/94
  35  * $FreeBSD: src/bin/rmdir/rmdir.c,v 1.9.2.2 2001/08/01 05:16:47 obrien Exp $
  36  * $DragonFly: src/bin/rmdir/rmdir.c,v 1.7 2005/01/24 18:58:20 liamfoy Exp $
  37  */
  38
  39 #include <err.h>
  40 #include <stdio.h>
  41 #include <stdlib.h>
  42 #include <string.h>
  43 #include <unistd.h>
  44
  45 static int      rm_path(char *);
  46 static void     usage(void);
  47
  48 static int      vflag;
  49
  50 int
  51 main(int argc, char **argv)
  52 {
  53         int ch, errors;
  54         int pflag;
  55
  56         pflag = 0;
  57         while ((ch = getopt(argc, argv, "pv")) != -1)
  58                 switch(ch) {
  59                 case 'p':
  60                         pflag = 1;
  61                         break;
  62                 case 'v':
  63                         vflag = 1;
  64                         break;
  65                 case '?':
  66                 default:
  67                         usage();
  68                 }
  69         argc -= optind;
  70         argv += optind;
  71
  72         if (argc == 0)
  73                 usage();
  74
  75         for (errors = 0; *argv; argv++) {
  76                 if (rmdir(*argv) < 0) {
  77                         warn("%s", *argv);
  78                         errors = 1;
  79                 } else {
  80                         if (vflag)
  81                                 printf("removed: %s\n", *argv);
  82
  83                         if (pflag)
  84                                 errors |= rm_path(*argv);
  85                 }
  86         }
  87
  88         exit(errors);
  89 }
  90
  91 static int
  92 rm_path(char *path)
  93 {
  94         char *p;
  95
  96         p = path + strlen(path);
  97         while (--p > path && *p == '/')
  98                 ;
  99         *++p = '\0';
 100         while ((p = strrchr(path, '/')) != NULL) {
 101                 /* Delete trailing slashes. */
 102                 while (--p > path && *p == '/')
 103                         ;
 104                 *++p = '\0';
 105
 106                 if (rmdir(path) < 0) {
 107                         warn("%s", path);
 108                         return (1);
 109                 } else if (vflag) {
 110                         printf("removed: %s\n", path);
 111                 }
 112         }
 113
 114         return (0);
 115 }
 116
 117 static void
 118 usage(void)
 119 {
 120         fprintf(stderr, "usage: rmdir [-pv] directory ...\n");
 121         exit(1);
 122 }