Panda3D
 All Classes Functions Variables Enumerations
panda_getopt_impl.h
00001 /* Filename: panda_getopt_impl.h
00002  * Created by:  drose (19Jul11)
00003  *
00004  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
00005  *
00006  * PANDA 3D SOFTWARE
00007  * Copyright (c) Carnegie Mellon University.  All rights reserved.
00008  *
00009  * All use of this software is subject to the terms of the revised BSD
00010  * license.  You should have received a copy of this license along
00011  * with this source code in a file named "LICENSE."
00012  *
00013  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
00014 
00015 #ifndef PANDA_GETOPT_IMPL_H
00016 #define PANDA_GETOPT_IMPL_H
00017 
00018 #include "dtoolbase.h"
00019 
00020 /* This file defines a reimplementation of getopt(), getopt_long(),
00021    and getopt_long_only(), according to the LSB and Posix conventions.
00022    It is completely new code, contributed under the Panda3D license. */
00023 
00024 #if defined(HAVE_GETOPT) && defined(HAVE_GETOPT_LONG_ONLY)
00025 // If the system provides both of these functions, we don't need to
00026 // provide our own implementation, so in that case this file does
00027 // nothing.
00028 
00029 #else
00030 // If the system does lack one or the other of these functions, then
00031 // we'll go ahead and provide it instead.
00032 
00033 #define getopt panda_getopt
00034 #define optind panda_optind
00035 #define opterr panda_opterr
00036 #define optopt panda_optopt
00037 #define optarg panda_optarg
00038 #define getopt_long panda_getopt_long
00039 #define getopt_long_only panda_getopt_long_only
00040 
00041 #ifdef  __cplusplus
00042 extern "C" {
00043 #endif
00044 
00045 extern EXPCL_DTOOL char *optarg;
00046 extern EXPCL_DTOOL int optind, opterr, optopt;
00047 
00048 struct option {
00049   const char *name;
00050   int has_arg;
00051   int *flag;
00052   int val;
00053 };
00054 
00055 #define no_argument 0
00056 #define required_argument 1
00057 #define optional_argument 2
00058 
00059 extern EXPCL_DTOOL int
00060 getopt(int argc, char *const argv[], const char *optstring);
00061 extern EXPCL_DTOOL int
00062 getopt_long(int argc, char *const argv[], const char *optstring, 
00063             const struct option *longopts, int *longindex);
00064 extern EXPCL_DTOOL int
00065 getopt_long_only(int argc, char *const argv[], const char *optstring, 
00066                  const struct option *longopts, int *longindex);
00067 
00068 #ifdef  __cplusplus
00069 }
00070 #endif
00071 
00072 #endif  // defined(HAVE_GETOPT) && defined(HAVE_GETOPT_LONG_ONLY)
00073 
00074 #endif
 All Classes Functions Variables Enumerations