mirror of https://github.com/ecmwf/eccodes.git
86 lines
1.5 KiB
C
86 lines
1.5 KiB
C
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/*
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* Copyright 2005-2012 ECMWF.
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*
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* This software is licensed under the terms of the Apache Licence Version 2.0
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* which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
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*
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* In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
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* virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
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*/
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#ifdef _WIN32
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/* Microsoft Windows Visual Studio support */
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#include "string.h"
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#include "wingetopt.h"
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char *optarg; /* global argument pointer */
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int optind = 0; /* global argv index */
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int opterr = 0;
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int getopt(int argc, char *argv[], const char *optstring)
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{
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static char *next = 0;
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char c;
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char *cp;
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if (optind == 0)
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next = 0;
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optarg = 0;
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if (next == 0 || *next == '\0')
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{
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if (optind == 0)
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optind++;
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if (optind >= argc || argv[optind][0] != '-' || argv[optind][1] == '\0')
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{
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optarg = 0;
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if (optind < argc)
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optarg = argv[optind];
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return -1;
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}
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if (strcmp(argv[optind], "--") == 0)
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{
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optind++;
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optarg = NULL;
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if (optind < argc)
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optarg = argv[optind];
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return -1;
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}
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next = argv[optind];
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next++; /* skip past - */
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optind++;
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}
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c = *next++;
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cp = strrchr(optstring, c);
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if (cp == 0 || c == ':')
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return '?';
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cp++;
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if (*cp == ':')
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{
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if (*next != '\0')
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{
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optarg = next;
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next = 0;
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}
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else if (optind < argc)
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{
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optarg = argv[optind];
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optind++;
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}
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else
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{
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return '?';
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}
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}
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return c;
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}
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#endif
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