92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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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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stgetopt(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 int c;
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register char *cp;
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if (sp == 1)
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{
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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 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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else if (strcmp(argv[optind], "-isysroot") == 0)
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{
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// skip Mac OS X SDK selection flags
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optind++; optind++;
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}
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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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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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