1 /* $PostgreSQL: pgsql/src/port/getopt.c,v 1.12 2009/04/04 21:55:50 tgl Exp $ */
3 /* This is used by psql under Win32 */
6 * Copyright (c) 1987, 1993, 1994
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35 #if defined(LIBC_SCCS) && !defined(lint)
36 static char sccsid[] = "@(#)getopt.c 8.3 (Berkeley) 4/27/95";
37 #endif /* LIBC_SCCS and not lint */
41 * On some versions of Solaris, opterr and friends are defined in core libc
42 * rather than in a separate getopt module. Define these variables only
43 * if configure found they aren't there by default. (We assume that testing
44 * opterr is sufficient for all of these except optreset.)
46 #ifndef HAVE_INT_OPTERR
48 int opterr = 1, /* if error message should be printed */
49 optind = 1, /* index into parent argv vector */
50 optopt; /* character checked for validity */
51 char *optarg; /* argument associated with option */
55 #ifndef HAVE_INT_OPTRESET
56 int optreset; /* reset getopt */
59 #define BADCH (int)'?'
60 #define BADARG (int)':'
65 * Parse argc/argv argument vector.
68 getopt(nargc, nargv, ostr)
73 static char *place = EMSG; /* option letter processing */
74 char *oli; /* option letter list index */
76 if (optreset || !*place)
77 { /* update scanning pointer */
79 if (optind >= nargc || *(place = nargv[optind]) != '-')
84 if (place[1] && *++place == '-' && place[1] == '\0')
90 } /* option letter okay? */
91 if ((optopt = (int) *place++) == (int) ':' ||
92 !(oli = strchr(ostr, optopt)))
95 * if the user didn't specify '-' as an option, assume it means -1.
97 if (optopt == (int) '-')
101 if (opterr && *ostr != ':')
102 (void) fprintf(stderr,
103 "illegal option -- %c\n", optopt);
107 { /* don't need argument */
113 { /* need an argument */
114 if (*place) /* no white space */
116 else if (nargc <= ++optind)
122 (void) fprintf(stderr,
123 "option requires an argument -- %c\n",
129 optarg = nargv[optind];
133 return optopt; /* dump back option letter */