tests/create-remove.c

   1 /*
   2  * Copyright (c) 1995 - 2001 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 <err.h>
  48 #include <roken.h>
  49
  50 #ifdef RCSID
  51 RCSID("$Id$");
  52 #endif
  53
  54 static int
  55 creat_dir (const char *name)
  56 {
  57     int ret = mkdir (name, 0777);
  58     if (ret < 0) err (1, "mkdir %s", name);
  59     return 0;
  60 }
  61
  62 static int
  63 remove_dir (const char *name)
  64 {
  65     int ret = rmdir (name);
  66     if (ret < 0) err (1, "rmdir %s", name);
  67     return 0;
  68 }
  69
  70 static int
  71 creat_file (const char *name)
  72 {
  73     int ret = open (name, O_CREAT|O_RDWR, 0777);
  74     if (ret < 0) err (1, "open %s", name);
  75     close (ret);
  76     return 0;
  77 }
  78
  79 static int
  80 unlink_file (const char *name)
  81 {
  82     int ret = unlink (name);
  83     if (ret < 0) err (1, "unlink %s", name);
  84     return 0;
  85 }
  86
  87
  88 static void
  89 usage (int ret)
  90 {
  91     fprintf (stderr, "%s [file|dir] number-of-files/dirs\n", getprogname());
  92     exit (ret);
  93 }
  94
  95 static int
  96 creat_many (int num,
  97             int (*c) (const char *name),
  98             int (*d) (const char *name))
  99 {
 100     char name[MAXPATHLEN];
 101
 102     if (num < 0)
 103         errx (1, "not be negative");
 104
 105     snprintf (name, sizeof(name), "foo-%d-%d", num, getpid());
 106
 107     while (num-- > 0) {
 108         (c) (name);
 109         (d) (name);
 110     }
 111     return 0;
 112 }
 113
 114
 115 int
 116 main(int argc, char **argv)
 117 {
 118     char *ptr;
 119     int count;
 120
 121     setprogname (argv[0]);
 122
 123     if (argc != 3)
 124         usage (1);
 125
 126     count = strtol (argv[2], &ptr, 0);
 127     if (count == 0 && ptr == argv[2])
 128         errx (1, "'%s' not a number", argv[2]);
 129
 130     if (strcmp ("file", argv[1]) == 0)
 131         return creat_many (count, creat_file, unlink_file);
 132     else if (strcmp("dir", argv[1]) == 0)
 133         return creat_many (count, creat_dir, remove_dir);
 134     else
 135         errx (1, "unknown type: %s", argv[1]);
 136     return 0;
 137 }