getopt.c revision 332463 
1#include <sys/cdefs.h>
2__FBSDID("$FreeBSD: stable/11/usr.bin/getopt/getopt.c 332463 2018-04-13 03:30:10Z kevans $");
3
4/*
5 * This material, written by Henry Spencer, was released by him
6 * into the public domain and is thus not subject to any copyright.
7 */
8
9#include <capsicum_helpers.h>
10#include <err.h>
11#include <errno.h>
12#include <stdio.h>
13#include <stdlib.h>
14#include <unistd.h>
15
16int
17main(int argc, char *argv[])
18{
19	int c;
20	int status = 0;
21
22	if (caph_limit_stdio() < 0 || (cap_enter() < 0 && errno != ENOSYS))
23		err(1, "capsicum");
24
25	optind = 2;	/* Past the program name and the option letters. */
26	while ((c = getopt(argc, argv, argv[1])) != -1)
27		switch (c) {
28		case '?':
29			status = 1;	/* getopt routine gave message */
30			break;
31		default:
32			if (optarg != NULL)
33				printf(" -%c %s", c, optarg);
34			else
35				printf(" -%c", c);
36			break;
37		}
38	printf(" --");
39	for (; optind < argc; optind++)
40		printf(" %s", argv[optind]);
41	printf("\n");
42	return status;
43}
44