73 lines
2 KiB
C
73 lines
2 KiB
C
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file panda_getopt_impl.h
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* @author drose
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* @date 2011-07-19
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*/
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#ifndef PANDA_GETOPT_IMPL_H
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#define PANDA_GETOPT_IMPL_H
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#include "dtoolbase.h"
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/* This file defines a reimplementation of getopt(), getopt_long(),
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and getopt_long_only(), according to the LSB and Posix conventions.
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It is completely new code, contributed under the Panda3D license. */
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#if defined(HAVE_GETOPT) && defined(HAVE_GETOPT_LONG_ONLY)
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// If the system provides both of these functions, we don't need to provide
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// our own implementation, so in that case this file does nothing.
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#else
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// If the system does lack one or the other of these functions, then we'll go
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// ahead and provide it instead.
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#define getopt panda_getopt
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#define optind panda_optind
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#define opterr panda_opterr
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#define optopt panda_optopt
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#define optarg panda_optarg
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#define getopt_long panda_getopt_long
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#define getopt_long_only panda_getopt_long_only
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern EXPCL_DTOOL_DTOOLUTIL char *optarg;
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extern EXPCL_DTOOL_DTOOLUTIL int optind, opterr, optopt;
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struct option {
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const char *name;
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int has_arg;
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int *flag;
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int val;
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};
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#define no_argument 0
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#define required_argument 1
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#define optional_argument 2
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extern EXPCL_DTOOL_DTOOLUTIL int
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getopt(int argc, char *const argv[], const char *optstring);
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extern EXPCL_DTOOL_DTOOLUTIL int
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getopt_long(int argc, char *const argv[], const char *optstring,
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const struct option *longopts, int *longindex);
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extern EXPCL_DTOOL_DTOOLUTIL int
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getopt_long_only(int argc, char *const argv[], const char *optstring,
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const struct option *longopts, int *longindex);
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#ifdef __cplusplus
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}
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#endif
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#endif // defined(HAVE_GETOPT) && defined(HAVE_GETOPT_LONG_ONLY)
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#endif
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