2 * Copyright (c) 1987, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
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11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
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30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 #if !defined(HAVE_GETOPT) || defined(WANT_GETOPT_LONG) || defined(BROKEN_GETOPT)
39 #if defined(LIBC_SCCS) && !defined(lint)
40 /* static char sccsid[] = "from: @(#)getopt.c 8.2 (Berkeley) 4/2/94"; */
41 static char *rcsid
= "$Id: getopt.c,v 1.3 1999/01/08 02:14:18 sjg Exp $";
42 #endif /* LIBC_SCCS and not lint */
49 #define BADCH (int)'?'
50 #define BADARG (int)':'
53 int opterr
= 1, /* if error message should be printed */
54 optind
= 1, /* index into parent argv vector */
55 optopt
= BADCH
, /* character checked for validity */
56 optreset
; /* reset getopt */
57 char *optarg
; /* argument associated with option */
61 * Parse argc/argv argument vector.
64 getopt(nargc
, nargv
, ostr
)
69 extern char *__progname
;
70 static char *place
= EMSG
; /* option letter processing */
71 char *oli
; /* option letter list index */
75 if (__progname
= strrchr(nargv
[0], '/'))
78 __progname
= nargv
[0];
82 if (optreset
|| !*place
) { /* update scanning pointer */
84 if (optind
>= nargc
|| *(place
= nargv
[optind
]) != '-') {
88 if (place
[1] && *++place
== '-' /* found "--" */
89 && !place
[1]) { /* and not "--foo" */
94 } /* option letter okay? */
95 if ((optopt
= (int)*place
++) == (int)':' ||
96 !(oli
= strchr(ostr
, optopt
))) {
98 * if the user didn't specify '-' as an option,
101 if (optopt
== (int)'-')
105 if (opterr
&& *ostr
!= ':')
106 (void)fprintf(stderr
,
107 "%s: illegal option -- %c\n", __progname
, optopt
);
110 if (*++oli
!= ':') { /* don't need argument */
115 else { /* need an argument */
116 if (*place
) /* no white space */
118 else if (nargc
<= ++optind
) { /* no arg */
123 (void)fprintf(stderr
,
124 "%s: option requires an argument -- %c\n",
128 else /* white space */
129 optarg
= nargv
[optind
];
133 return (optopt
); /* dump back option letter */
147 char *opts
= argv
[1];
152 while ((c
= getopt(argc
, argv
, opts
)) != EOF
) {
156 printf("--%s ", optarg
);
163 printf("-%c %s ", c
, optarg
);
172 for (; optind
< argc
; ++optind
) {
173 printf("%s ", argv
[optind
]);