1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
23 /* All Rights Reserved */
24
25
26 #ident "%Z%%M% %I% %E% SMI" /* from SVR4 bnu:getopt.c 2.3 */
27
28 #include "uucp.h"
29
30 /* @(#)getopt.c 1.2 */
31 /* 3.0 SID # 1.2 */
32 /*LINTLIBRARY*/
33 #define ERR(s, c) if(opterr){\
34 (void) fputs(argv[0], stderr);\
35 (void) fputs(s, stderr);\
36 (void) fputc(c, stderr);\
37 (void) fputc('\n', stderr);}
38
39 extern int strcmp();
40 extern char *strchr();
41
42 int opterr = 1;
43 int optind = 1;
44 int optopt;
45 char *optarg;
46
47 int
getopt(argc,argv,opts)48 getopt(argc, argv, opts)
49 int argc;
50 char **argv, *opts;
51 {
52 static int sp = 1;
53 register int c;
54 register char *cp;
55
56 if(sp == 1)
57 if(optind >= argc ||
58 argv[optind][0] != '-' || argv[optind][1] == '\0')
59 return(EOF);
60 else if(strcmp(argv[optind], "--") == NULL) {
61 optind++;
62 return(EOF);
63 }
64 optopt = c = argv[optind][sp];
65 if(c == ':' || (cp=strchr(opts, c)) == NULL) {
66 ERR(": illegal option -- ", c);
67 if(argv[optind][++sp] == '\0') {
68 optind++;
69 sp = 1;
70 }
71 return('?');
72 }
73 if(*++cp == ':') {
74 if(argv[optind][sp+1] != '\0')
75 optarg = &argv[optind++][sp+1];
76 else if(++optind >= argc) {
77 ERR(": option requires an argument -- ", c);
78 sp = 1;
79 return('?');
80 #ifndef NO_MINUS
81 } else
82 optarg = argv[optind++];
83 #else /* NO_MINUS */
84 } else {
85 optarg = argv[optind++];
86 if (*optarg == '-') {
87 ERR(": option requires an argument -- ", c);
88 sp = 1;
89 return('?');
90 }
91 }
92 #endif /* NO_MINUS */
93 sp = 1;
94 } else {
95 if(argv[optind][++sp] == '\0') {
96 sp = 1;
97 optind++;
98 }
99 optarg = NULL;
100 }
101 return(c);
102 }
103