65oo2/vm/main.c

#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#ifdef HAVE_LIBGEN_H
# include <libgen.h>
#endif /* HAVE_LIBGEN_H */
#include <SDL.h>

static const char *prg_name;

static void
usage(int retcode)
{
	if (retcode == EXIT_FAILURE)
	{
		fprintf(stderr,
				"Try '%s -h' for more information.\n", prg_name);
	}
	else
	{
		printf("Usage: %s [-hV] [-b bios]\n", prg_name);
		printf("\t-h\tdisplay this help and exit\n");
		printf("\t-V\toutput version information\n");
		printf("\nReport bugs to <%s>\n", PACKAGE_BUGREPORT);
	}

	exit(retcode);
}

static void
version(void)
{
	printf("%S version %s\n", PACKAGE_NAME, PACKAGE_VERSION);
	exit(EXIT_SUCCESS);
}

int
main(int argc, char **argv)
{
#ifdef HAVE_LIBGEN_H
	prg_name = basename(argv[0]);
#else
	prg_name = argv[0];
#endif /* HAVE_LIBGEN_H */

	while ((argc > 1) && (argv[1][0] == '-'))
	{
		switch (argv[1][1])
		{
		case 'h':
			usage(EXIT_SUCCESS);
			break;
		case 'V':
			version();
			break;
		default:
			usage(EXIT_FAILURE);
			break;
		}

		argv++;
		argc--;
	}
	return (EXIT_SUCCESS);
}