#include <stdio.h>
#include <sys/stat.h>

int
main (int argc,
      char *argv[])
{
    FILE *infile, *outfile;
    unsigned char inchar;
    unsigned int counter;
    struct stat file_info;
    
    if (argc != 4) 
    {
        fprintf (stderr, "Usage: %s infile outfile identifier\n", argv[0]);
        return 1;
    }
        
    stat (argv[1], &file_info);
    
    infile = fopen (argv[1], "r");
    
    if (!infile)
    {
        fprintf (stderr, "Input file doesn't exist.\n");
        return 2;
    }
    
    outfile = fopen (argv[2], "w+");
 
    fprintf (outfile, 
             "int %s_size = %d;\n\n", 
             argv[3], 
             (int) file_info.st_size);
    fprintf (outfile, "unsigned char %s [] = \n{\n  ", argv[3]);
    
    counter = 0;
    
    while (fread (&inchar, 1, 1, infile))
    {
        if (counter >= 32)
        {
            counter = 0;
            fprintf (outfile, "\n  ");
        }
        
        fprintf (outfile, "%d,", inchar);
        counter++;
    }
    
    /* Erase extra "," */
    fseek (outfile, -1, SEEK_CUR);
    
    fprintf (outfile, "\n};\n");
    
    return 0;
}