Function parse_opt

libCacheSim/bin/dep/traceOneHit/cli_parser.c:47–83

PARSER. Field 2 in ARGP. Order of parameters: KEY, ARG, STATE. */

   Order of parameters: KEY, ARG, STATE.
*/
static error_t parse_opt(int key, char *arg, struct argp_state *state) {
  struct arguments *arguments = state->input;

  switch (key) {
    case OPTION_TRACE_TYPE_PARAMS:
      arguments->trace_type_params = arg;
      break;
    case OPTION_OUTPUT_PATH:
      strncpy(arguments->ofilepath, arg, OFILEPATH_LEN - 1);
      arguments->ofilepath[OFILEPATH_LEN - 1] = '\0';
      break;
    case OPTION_NUM_REQ:
      arguments->n_req = atoi(arg);
      break;
    case OPTION_VERBOSE:
      arguments->verbose = is_true(arg) ? true : false;
      break;
    case ARGP_KEY_ARG:
      if (state->arg_num >= N_ARGS) {
        printf("found too many arguments, current %s\n", arg);
        argp_usage(state);
        exit(1);
      }
      arguments->args[state->arg_num] = arg;
      break;
    case ARGP_KEY_END:
      if (state->arg_num < N_ARGS) {
        printf("not enough arguments found\n");
        argp_usage(state);
        exit(1);
      }
      break;
    default:
      return ARGP_ERR_UNKNOWN;
  }
  return 0;
}

/*
   ARGS_DOC. Field 3 in ARGP.