1 /* OPENBSD ORIGINAL: lib/libc/stdlib/getopt.c */
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33 #if !defined(HAVE_GETOPT) || !defined(HAVE_GETOPT_OPTRESET)
35 #if defined(LIBC_SCCS) && !defined(lint)
36 static char *rcsid = "$OpenBSD: getopt.c,v 1.5 2003/06/02 20:18:37 millert Exp $";
37 #endif /* LIBC_SCCS and not lint */
43 int BSDopterr = 1, /* if error message should be printed */
44 BSDoptind = 1, /* index into parent argv vector */
45 BSDoptopt, /* character checked for validity */
46 BSDoptreset; /* reset getopt */
47 char *BSDoptarg; /* argument associated with option */
49 #define BADCH (int)'?'
50 #define BADARG (int)':'
55 * Parse argc/argv argument vector.
58 BSDgetopt(nargc, nargv, ostr)
63 extern char *__progname;
64 static char *place = EMSG; /* option letter processing */
65 char *oli; /* option letter list index */
70 if (BSDoptreset || !*place) { /* update scanning pointer */
72 if (BSDoptind >= nargc || *(place = nargv[BSDoptind]) != '-') {
76 if (place[1] && *++place == '-') { /* found "--" */
81 } /* option letter okay? */
82 if ((BSDoptopt = (int)*place++) == (int)':' ||
83 !(oli = strchr(ostr, BSDoptopt))) {
85 * if the user didn't specify '-' as an option,
88 if (BSDoptopt == (int)'-')
92 if (BSDopterr && *ostr != ':')
94 "%s: illegal option -- %c\n", __progname, BSDoptopt);
97 if (*++oli != ':') { /* don't need argument */
102 else { /* need an argument */
103 if (*place) /* no white space */
105 else if (nargc <= ++BSDoptind) { /* no arg */
110 (void)fprintf(stderr,
111 "%s: option requires an argument -- %c\n",
112 __progname, BSDoptopt);
115 else /* white space */
116 BSDoptarg = nargv[BSDoptind];
120 return (BSDoptopt); /* dump back option letter */
123 #endif /* !defined(HAVE_GETOPT) || !defined(HAVE_OPTRESET) */