src/tests/rm-rf.c

   1 /*
   2  * Copyright (c) 1995 - 2000 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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 #ifdef HAVE_CONFIG_H
  35 #include <config.h>
  36 #endif
  37
  38 #include <stdio.h>
  39 #include <stdlib.h>
  40 #include <string.h>
  41 #include <sys/types.h>
  42 #include <sys/stat.h>
  43 #include <fcntl.h>
  44 #include <unistd.h>
  45 #include <dirent.h>
  46
  47 #include <afs/stds.h>
  48
  49 #include <err.h>
  50 #include <fs_lib.h>
  51
  52 static void
  53   kill_one(const char *filename);
  54
  55 static void
  56   kill_dir(const char *dirname);
  57
  58 static void
  59   do_dir(const char *dirname);
  60
  61 static void
  62 kill_one(const char *filename)
  63 {
  64     int ret;
  65
  66     ret = unlink(filename);
  67     if (ret < 0) {
  68         if (errno == EISDIR || errno == EPERM)
  69             do_dir(filename);
  70         else
  71             err(1, "unlink %s", filename);
  72     }
  73 }
  74
  75 static void
  76 do_dir(const char *dirname)
  77 {
  78     int ret;
  79
  80     ret = fs_rmmount(dirname);
  81     if (ret == 0)
  82         return;
  83
  84     ret = chdir(dirname);
  85     if (ret < 0)
  86         err(1, "chdir %s", dirname);
  87     kill_dir(dirname);
  88     ret = chdir("..");
  89     if (ret < 0)
  90         err(1, "chdir ..");
  91     ret = rmdir(dirname);
  92     if (ret < 0)
  93         err(1, "rmdir %s", dirname);
  94 }
  95
  96 static void
  97 kill_dir(const char *dirname)
  98 {
  99     DIR *dir;
 100     struct dirent *dp;
 101
 102     dir = opendir(".");
 103     if (dir == NULL)
 104         err(1, "opendir %s", dirname);
 105     while ((dp = readdir(dir)) != NULL) {
 106         if (strcmp(dp->d_name, ".") == 0 || strcmp(dp->d_name, "..") == 0)
 107             continue;
 108
 109         kill_one(dp->d_name);
 110     }
 111     closedir(dir);
 112 }
 113
 114 int
 115 main(int argc, char **argv)
 116 {
 117
 118     if (argc < 2)
 119         errx(1, "usage: %s directory [...]", argv[0]);
 120     while (argc >= 2) {
 121         do_dir(argv[1]);
 122         argc--;
 123         argv++;
 124     }
 125     return 0;
 126 }