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
  34 #ifndef lint
  35 static char const copyright[] =
  36 "@(#) Copyright (c) 1992, 1993, 1994\n\
  37         The Regents of the University of California.  All rights reserved.\n";
  38 #endif /* not lint */
  39
  40 #ifndef lint
  41 #if 0
  42 static char sccsid[] = "@(#)rmdir.c     8.3 (Berkeley) 4/2/94";
  43 #endif
  44 #endif /* not lint */
  45 #include <sys/cdefs.h>
  46 __RCSID("$FreeBSD: src/bin/rmdir/rmdir.c,v 1.13 2002/06/30 05:15:03 obrien Exp $");
  47
  48 #include <err.h>
  49 #include <errno.h>
  50 #include <stdio.h>
  51 #include <stdlib.h>
  52 #include <string.h>
  53 #include <unistd.h>
  54
  55 int rm_path(char *);
  56 void usage(void);
  57
  58 int
  59 main(int argc, char *argv[])
  60 {
  61         int ch, errors;
  62         int pflag;
  63
  64         pflag = 0;
  65         while ((ch = getopt(argc, argv, "p")) != -1)
  66                 switch(ch) {
  67                 case 'p':
  68                         pflag = 1;
  69                         break;
  70                 case '?':
  71                 default:
  72                         usage();
  73                 }
  74         argc -= optind;
  75         argv += optind;
  76
  77         if (argc == 0)
  78                 usage();
  79
  80         for (errors = 0; *argv; argv++) {
  81                 if (rmdir(*argv) < 0) {
  82                         warn("%s", *argv);
  83                         errors = 1;
  84                 } else if (pflag)
  85                         errors |= rm_path(*argv);
  86         }
  87
  88         exit(errors);
  89 }
  90
  91 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                 }
 110         }
 111
 112         return (0);
 113 }
 114
 115 void
 116 usage(void)
 117 {
 118
 119         (void)fprintf(stderr, "usage: rmdir [-p] directory ...\n");
 120         exit(1);
 121 }