99 lines
2.7 KiB
C
99 lines
2.7 KiB
C
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: getopt.c,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: rt $ $Date: 2005-09-07 18:14:28 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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#include <stdio.h>
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#include <string.h>
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#define EPR fprintf(stderr,
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#define ERR(str, chr) if(opterr) { EPR "%s%c\n", str, chr); }
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int opterr = 1;
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int optind = 1;
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int optopt;
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char *optarg;
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int
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getopt(int argc, char *const argv[], const char *opts)
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{
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static int sp = 1;
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register c;
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register char *cp;
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if (sp == 1)
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if (optind >= argc ||
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argv[optind][0] != '-' || argv[optind][1] == '\0')
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return -1;
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else
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if (strcmp(argv[optind], "--") == 0)
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{
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optind++;
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return -1;
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}
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optopt = c = argv[optind][sp];
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if (c == ':' || (cp = strchr(opts, c)) == 0)
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{
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ERR(": illegal option -- ", c);
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if (argv[optind][++sp] == '\0')
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{
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optind++;
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sp = 1;
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}
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return '?';
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}
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if (*++cp == ':')
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{
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if (argv[optind][sp + 1] != '\0')
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optarg = &argv[optind++][sp + 1];
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else
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if (++optind >= argc)
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{
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ERR(": option requires an argument -- ", c);
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sp = 1;
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return '?';
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}
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else
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optarg = argv[optind++];
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sp = 1;
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}
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else
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{
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if (argv[optind][++sp] == '\0')
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{
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sp = 1;
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optind++;
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}
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optarg = 0;
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}
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return c;
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}
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