freebsd-dev/usr.bin/getopt/getopt.c

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#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
/*
* This material, written by Henry Spencer, was released by him
* into the public domain and is thus not subject to any copyright.
*/
#include <capsicum_helpers.h>
#include <err.h>
#include <errno.h>
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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
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int
main(int argc, char *argv[])
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{
int c;
int status = 0;
if (caph_limit_stdio() < 0 || caph_enter() < 0)
err(1, "capsicum");
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optind = 2; /* Past the program name and the option letters. */
while ((c = getopt(argc, argv, argv[1])) != -1)
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switch (c) {
case '?':
status = 1; /* getopt routine gave message */
break;
default:
if (optarg != NULL)
printf(" -%c %s", c, optarg);
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else
printf(" -%c", c);
break;
}
printf(" --");
for (; optind < argc; optind++)
printf(" %s", argv[optind]);
printf("\n");
return status;
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}