main.c

/*******************************************************************************
 * Copyright (c) 2012-2023, Kim Grasman <kim.grasman@gmail.com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *   * Neither the name of Kim Grasman nor the
 *     names of contributors may be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL KIM GRASMAN BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 ******************************************************************************/

#include <assert.h>
#include <stddef.h>
#include "getopt.h"

/* Just to test if it compiles as C */

struct option opts[] = {
  {"first", no_argument, 0, 'f'},
  {"second", required_argument, 0, 's'},
  {"third", optional_argument, 0, 't'},
  {0, 0, 0, 0}
};

int main(int argc, char* argv[]) {
  int opt;

  while ((opt = getopt_long(argc, argv, "fs:t::", opts, NULL)) != -1) {
    switch (opt) {
      case 'f':
      case 's':
      case 't':
        break;
      default:
        assert(0);
        break;
      }
  }

  return 0;
}