src/tests/create-remove.c

   1 /*
   2  * Copyright (c) 1995, 1996, 1997, 1998, 1999 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
  49 static int
  50 creat_dir(const char *name)
  51 {
  52     int ret = mkdir(name, 0777);
  53     if (ret < 0)
  54         err(1, "mkdir %s", name);
  55     return 0;
  56 }
  57
  58 static int
  59 remove_dir(const char *name)
  60 {
  61     int ret = rmdir(name);
  62     if (ret < 0)
  63         err(1, "rmdir %s", name);
  64     return 0;
  65 }
  66
  67 static int
  68 creat_file(const char *name)
  69 {
  70     int ret = open(name, O_CREAT | O_RDWR, 0777);
  71     if (ret < 0)
  72         err(1, "mkdir %s", name);
  73     close(ret);
  74     return 0;
  75 }
  76
  77 static int
  78 unlink_file(const char *name)
  79 {
  80     int ret = unlink(name);
  81     if (ret < 0)
  82         err(1, "unlink %s", name);
  83     return 0;
  84 }
  85
  86
  87 static void
  88 usage(int ret)
  89 {
  90     fprintf(stderr, "%s [file|dir] number-of-dirs\n", __progname);
  91     exit(ret);
  92 }
  93
  94 #ifndef MAXPATHLEN
  95 #ifdef PATH_MAX
  96 #define MAXPATHLEN PATH_MAX
  97 #else
  98 #define MAXPATHLEN 4096
  99 #endif
 100 #endif
 101
 102 static int
 103 creat_many(int num, int (*c) (const char *name), int (*d) (const char *name))
 104 {
 105     char name[MAXPATHLEN];
 106
 107     if (num < 0)
 108         errx(1, "not be negative");
 109
 110     snprintf(name, sizeof(name), "foo-%d-%d", num, getpid());
 111
 112     while (num-- > 0) {
 113         (c) (name);
 114         (d) (name);
 115     }
 116     return 0;
 117 }
 118
 119
 120 int
 121 main(int argc, char **argv)
 122 {
 123     char *ptr;
 124     int count;
 125
 126
 127     if (argc != 3)
 128         usage(1);
 129
 130     count = strtol(argv[2], &ptr, 0);
 131     if (count == 0 && ptr == argv[2])
 132         errx(1, "'%s' not a number", argv[2]);
 133
 134     if (strcmp("file", argv[1]) == 0)
 135         return creat_many(count, creat_file, unlink_file);
 136     else if (strcmp("dir", argv[1]) == 0)
 137         return creat_many(count, creat_dir, remove_dir);
 138     else
 139         errx(1, "unknown type: %s", argv[1]);
 140     return 0;
 141 }