1 /* $PostgreSQL: pgsql/src/port/getopt.c,v 1.10 2006/03/11 04:38:40 momjian Exp $ */
3 /* This is used by psql under Win32 */
6 * Copyright (c) 1987, 1993, 1994
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39 #if defined(LIBC_SCCS) && !defined(lint)
40 static char sccsid[] = "@(#)getopt.c 8.3 (Berkeley) 4/27/95";
41 #endif /* LIBC_SCCS and not lint */
44 int opterr = 1, /* if error message should be printed */
45 optind = 1, /* index into parent argv vector */
46 optopt, /* character checked for validity */
47 optreset; /* reset getopt */
48 char *optarg; /* argument associated with option */
50 #define BADCH (int)'?'
51 #define BADARG (int)':'
56 * Parse argc/argv argument vector.
59 getopt(nargc, nargv, ostr)
64 static char *place = EMSG; /* option letter processing */
65 char *oli; /* option letter list index */
67 if (optreset || !*place)
68 { /* update scanning pointer */
70 if (optind >= nargc || *(place = nargv[optind]) != '-')
75 if (place[1] && *++place == '-' && place[1] == '\0')
81 } /* option letter okay? */
82 if ((optopt = (int) *place++) == (int) ':' ||
83 !(oli = strchr(ostr, optopt)))
86 * if the user didn't specify '-' as an option, assume it means -1.
88 if (optopt == (int) '-')
92 if (opterr && *ostr != ':')
93 (void) fprintf(stderr,
94 "illegal option -- %c\n", optopt);
98 { /* don't need argument */
104 { /* need an argument */
105 if (*place) /* no white space */
107 else if (nargc <= ++optind)
113 (void) fprintf(stderr,
114 "option requires an argument -- %c\n",
120 optarg = nargv[optind];
124 return optopt; /* dump back option letter */