Verify Read After Write

int verify_read_after_write(char* file_path,
                            int num_chars_expected)
{
   int success = 0;  /* assume failure. */
   int num_chars_found = 0;

   if (file_path && num_chars_expected >= 0) {
      FILE* f = fopen(file_path, "r");
      if (f) {
         while (!feof(f)) {
            num_chars_found++;
            fgetc(f);
         }
         fclose(f);
         if (num_chars_found == num_chars_expected)
            success = 1;
      }
   }

   return success;
}