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File: [local] / src / usr.bin / getopt / getopt.c (download)

Revision 1.3, Wed Jan 15 23:42:32 1997 UTC (27 years, 4 months ago) by millert
Branch: MAIN
CVS Tags: OPENBSD_2_9_BASE, OPENBSD_2_9, OPENBSD_2_8_BASE, OPENBSD_2_8, OPENBSD_2_7_BASE, OPENBSD_2_7, OPENBSD_2_6_BASE, OPENBSD_2_6, OPENBSD_2_5_BASE, OPENBSD_2_5, OPENBSD_2_4_BASE, OPENBSD_2_4, OPENBSD_2_3_BASE, OPENBSD_2_3, OPENBSD_2_2_BASE, OPENBSD_2_2, OPENBSD_2_1_BASE, OPENBSD_2_1
Changes since 1.2: +3 -3 lines 

getopt(3) returns -1 when out of args, not EOF, whee!

/*	$OpenBSD: getopt.c,v 1.3 1997/01/15 23:42:32 millert Exp $	*/

#ifndef lint
static char rcsid[] = "$OpenBSD: getopt.c,v 1.3 1997/01/15 23:42:32 millert Exp $";
#endif /* not lint */

#include <stdio.h>

main(argc, argv)
int argc;
char *argv[];
{
	extern int optind;
	extern char *optarg;
	int c;
	int status = 0;

	optind = 2;	/* Past the program name and the option letters. */
	while ((c = getopt(argc, argv, argv[1])) != -1)
		switch (c) {
		case '?':
			status = 1;	/* getopt routine gave message */
			break;
		default:
			if (optarg != NULL)
				printf(" -%c %s", c, optarg);
			else
				printf(" -%c", c);
			break;
		}
	printf(" --");
	for (; optind < argc; optind++)
		printf(" %s", argv[optind]);
	printf("\n");
	exit(status);
}