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 #include <sys/cdefs.h>
  35 #ifndef lint
  36 __used static char const copyright[] =
  37 "@(#) Copyright (c) 1992, 1993, 1994\n\
  38         The Regents of the University of California.  All rights reserved.\n";
  39 #endif /* not lint */
  40
  41 #ifndef lint
  42 #if 0
  43 static char sccsid[] = "@(#)rmdir.c     8.3 (Berkeley) 4/2/94";
  44 #endif
  45 #endif /* not lint */
  46 #include <sys/cdefs.h>
  47 __RCSID("$FreeBSD: src/bin/rmdir/rmdir.c,v 1.13 2002/06/30 05:15:03 obrien Exp $");
  48
  49 #include <err.h>
  50 #include <errno.h>
  51 #include <stdio.h>
  52 #include <stdlib.h>
  53 #include <string.h>
  54 #include <unistd.h>
  55
  56 int rm_path(char *);
  57 void usage(void);
  58
  59 int
  60 main(int argc, char *argv[])
  61 {
  62         int ch, errors;
  63         int pflag;
  64
  65         pflag = 0;
  66         while ((ch = getopt(argc, argv, "p")) != -1)
  67                 switch(ch) {
  68                 case 'p':
  69                         pflag = 1;
  70                         break;
  71                 case '?':
  72                 default:
  73                         usage();
  74                 }
  75         argc -= optind;
  76         argv += optind;
  77
  78         if (argc == 0)
  79                 usage();
  80
  81         for (errors = 0; *argv; argv++) {
  82                 if (rmdir(*argv) < 0) {
  83                         warn("%s", *argv);
  84                         errors = 1;
  85                 } else if (pflag)
  86                         errors |= rm_path(*argv);
  87         }
  88
  89         exit(errors);
  90 }
  91
  92 int
  93 rm_path(char *path)
  94 {
  95         char *p;
  96
  97         p = path + strlen(path);
  98         while (--p > path && *p == '/')
  99                 ;
 100         *++p = '\0';
 101         while ((p = strrchr(path, '/')) != NULL) {
 102                 /* Delete trailing slashes. */
 103                 while (--p > path && *p == '/')
 104                         ;
 105                 *++p = '\0';
 106
 107                 if (rmdir(path) < 0) {
 108                         warn("%s", path);
 109                         return (1);
 110                 }
 111         }
 112
 113         return (0);
 114 }
 115
 116 void
 117 usage(void)
 118 {
 119
 120         (void)fprintf(stderr, "usage: rmdir [-p] directory ...\n");
 121         exit(1);
 122 }