1 /* $OpenBSD: getoldopt.c,v 1.4 2000/01/22 20:24:51 deraadt Exp $ */
2 /* $NetBSD: getoldopt.c,v 1.3 1995/03/21 09:07:28 cgd Exp $ */
5 * Plug-compatible replacement for getopt() for parsing tar-like
6 * arguments. If the first argument begins with "-", it uses getopt;
7 * otherwise, it uses the old rules used by tar, dump, and ps.
9 * Written 25 August 1985 by John Gilmore (ihnp4!hoptoad!gnu) and placed
10 * in the Pubic Domain for your edification and enjoyment.
14 static const char rcsid[] = "$FreeBSD: src/bin/pax/getoldopt.c,v 1.1.2.1 2001/08/01 05:03:11 obrien Exp $";
22 getoldopt(argc, argv, optstring)
27 static char *key; /* Points to next keyletter */
28 static char use_getopt; /* !=0 if argv[1][0] was '-' */
34 if (key == NULL) { /* First time */
35 if (argc < 2) return EOF;
44 return getopt(argc, argv, optstring);
51 place = strchr(optstring, c);
53 if (place == NULL || c == ':') {
54 fprintf(stderr, "%s: unknown option %c\n", argv[0], c);
61 optarg = argv[optind];
64 fprintf(stderr, "%s: %c argument missing\n",