ACE/apps/JAWS/clients/WebSTONE/src/genrand.c

   1 /**************************************************************************
   2  *
   3  *     Copyright (C) 1995 Silicon Graphics, Inc.
   4  *
   5  *  These coded instructions, statements, and computer programs were
   6  *  developed by SGI for public use.  If any changes are made to this code
   7  *  please try to get the changes back to the author.  Feel free to make
   8  *  modifications and changes to the code and release it.
   9  *
  10  **************************************************************************/
  11
  12 /* FUZZ: disable check_for_math_include */
  13 /* FUZZ: disable check_for_improper_main_declaration */
  14
  15 #include <stdio.h>
  16 #include <fcntl.h>
  17 #include <math.h>
  18
  19 #include <stdlib.h>
  20 #include <sys/types.h>
  21 #include <sys/stat.h>
  22 #include "sysdep.h"
  23
  24 void
  25 main(const int argc, char* argv[])
  26 {
  27   FILE* file;
  28   int i;
  29   int my_random;
  30   int size;
  31   char *cp;
  32
  33   if (argc != 3)
  34     {
  35       printf("usage: %s file_size_in_bytes[K|M] name\n", argv[0]);
  36       exit(2);
  37     }
  38
  39   if ((file = fopen(argv[2], "w")) == 0)
  40     {
  41       perror("fopen");
  42       exit(1);
  43     }
  44
  45   size = atoi(argv[1]);
  46
  47   for (cp = argv[1]; *cp; cp++)
  48   {
  49     switch(*cp)
  50       {
  51         case 'k':
  52         case 'K':
  53           size *= 1024;
  54           break;
  55         case 'm':
  56         case 'M':
  57           size *= 1024*1024;
  58           break;
  59       }
  60   }
  61
  62   for (i = 0; i < size; i++)
  63     {
  64       my_random = ((RANDOM() % 94) + 33);
  65       fputc((char)my_random, file);
  66     }
  67
  68   fclose(file);
  69 }