uspace/app/testwrit/testwrit.c

   1 /*
   2  * Copyright (c) 2011 Frantisek Princ
   3  * 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  *
   9  * - Redistributions of source code must retain the above copyright
  10  *   notice, this list of conditions and the following disclaimer.
  11  * - Redistributions in binary form must reproduce the above copyright
  12  *   notice, this list of conditions and the following disclaimer in the
  13  *   documentation and/or other materials provided with the distribution.
  14  * - The name of the author may not be used to endorse or promote products
  15  *   derived from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 /** @addtogroup test
  30  * @{
  31  */
  32
  33 #include <stdio.h>
  34 #include <stddef.h>
  35
  36 #define BUF_SIZE  1024
  37
  38 int main(int argc, char *argv[])
  39 {
  40         char buffer[BUF_SIZE];
  41         uint64_t iterations, i;
  42         FILE *file;
  43         char *file_name;
  44
  45         /* Prepare some example data */
  46         memset(buffer, 0xcafebabe, BUF_SIZE);
  47
  48         if (argc != 3) {
  49                 printf("syntax: testwrit <iterations> <target file>\n");
  50                 return 1;
  51         }
  52
  53         char *end;
  54         iterations = strtoul(argv[1], &end, 10);
  55         file_name = argv[2];
  56
  57         /* Open target file */
  58         file = fopen(file_name, "a");
  59         if (file == NULL) {
  60                 printf("Failed opening file\n");
  61                 return 1;
  62         }
  63
  64         /* Writing loop */
  65         for (i = 0; i < iterations; ++i) {
  66                 fwrite(buffer, 1, BUF_SIZE, file);
  67         }
  68
  69         fclose(file);
  70
  71         return 0;
  72 }
  73
  74 /**
  75  * @}
  76  */