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  • Author : Rusty Russell
    Date : 2011-07-06 16:47:29
    Hash : 5a83cc2d
    Message : ccan: downgrade ccan/opt license from GPLv3 (or later) to GPLv2 (or later) As sole author, I can do this. But as far as I know, the GPLv3 is just a better GPL, and I prefer it.

  • ccan/opt/_info 
  • #include <stdio.h>
#include <string.h>
#include "config.h"

/**
 * opt - simple command line parsing
 *
 * Simple but powerful command line parsing.
 *
 * Example:
 * #include <ccan/opt/opt.h>
 * #include <stdio.h>
 * #include <stdlib.h>
 * 
 * static bool someflag;
 * static int verbose;
 * static char *somestring;
 * 
 * static struct opt_table opts[] = {
 * 	OPT_WITHOUT_ARG("--verbose|-v", opt_inc_intval, &verbose,
 *			"Verbose mode (can be specified more than once)"),
 * 	OPT_WITHOUT_ARG("--someflag", opt_set_bool, &someflag,
 *			"Set someflag"),
 * 	OPT_WITH_ARG("--somefile=<filename>", opt_set_charp, opt_show_charp,
 *		     &somestring, "Set somefile to <filename>"),
 * 	OPT_WITHOUT_ARG("--usage|--help|-h", opt_usage_and_exit,
 * 			"args...\nA silly test program.",
 *			"Print this message."),
 * 	OPT_ENDTABLE
 * };
 * 
 * int main(int argc, char *argv[])
 * {
 * 	int i;
 * 
 * 	opt_register_table(opts, NULL);
 * 	// For fun, register an extra one.
 * 	opt_register_noarg("--no-someflag", opt_set_invbool, &someflag,
 * 			   "Unset someflag");
 * 	if (!opt_parse(&argc, argv, opt_log_stderr))
 * 		exit(1);
 * 
 * 	printf("someflag = %i, verbose = %i, somestring = %s\n",
 * 	       someflag, verbose, somestring);
 * 	printf("%u args left over:", argc - 1);
 * 	for (i = 1; i < argc; i++)
 * 		printf(" %s", argv[i]);
 * 	printf("\n");
 * 	return 0;
 * }
 *
 * License: GPL (2 or any later version)
 * Author: Rusty Russell <rusty@rustcorp.com.au>
 */
int main(int argc, char *argv[])
{
	if (argc != 2)
		return 1;

	if (strcmp(argv[1], "depends") == 0) {
		printf("ccan/typesafe_cb\n");
		printf("ccan/compiler\n");
		return 0;
	}

	return 1;
}