00001 /* 00002 * Copyright (C) 2010, Willow Garage, Inc. 00003 * 00004 * Redistribution and use in source and binary forms, with or without 00005 * modification, are permitted provided that the following conditions are met: 00006 * * Redistributions of source code must retain the above copyright notice, 00007 * this list of conditions and the following disclaimer. 00008 * * Redistributions in binary form must reproduce the above copyright 00009 * notice, this list of conditions and the following disclaimer in the 00010 * documentation and/or other materials provided with the distribution. 00011 * * Neither the names of Willow Garage, Inc. nor the names of its 00012 * contributors may be used to endorse or promote products derived from 00013 * this software without specific prior written permission. 00014 * 00015 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00016 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00017 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00018 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 00019 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00020 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00021 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00022 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00023 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00024 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00025 * POSSIBILITY OF SUCH DAMAGE. 00026 */ 00027 /* 00028 * Some common cross platform utilities. 00029 */ 00030 #ifndef CPP_COMMON_PLATFORM_H_ 00031 #define CPP_COMMON_PLATFORM_H_ 00032 00033 /****************************************************************************** 00034 * Includes 00035 ******************************************************************************/ 00036 00037 #ifdef WIN32 00038 #ifdef _MSC_VER 00039 #define WIN32_LEAN_AND_MEAN // slimmer compile times 00040 #define _WINSOCKAPI_ // stops windows.h from including winsock.h (and lets us include winsock2.h) 00041 #define NOMINMAX // windows c++ pollutes the environment like any factory 00042 #endif 00043 #include <windows.h> 00044 #endif 00045 00046 00047 00048 /****************************************************************************** 00049 * Cross Platform Functions 00050 ******************************************************************************/ 00051 00052 #ifndef _MSC_VER 00053 #include <stdlib.h> // getenv 00054 #endif 00055 #include <string> 00056 00057 namespace ros { 00058 00063 inline bool get_environment_variable(std::string &str, const char* environment_variable) { 00064 char* env_var_cstr = NULL; 00065 #ifdef _MSC_VER 00066 _dupenv_s(&env_var_cstr, NULL,environment_variable); 00067 #else 00068 env_var_cstr = getenv(environment_variable); 00069 #endif 00070 if ( env_var_cstr ) { 00071 str = std::string(env_var_cstr); 00072 #ifdef _MSC_VER 00073 free(env_var_cstr); 00074 #endif 00075 return true; 00076 } else { 00077 str = std::string(""); 00078 return false; 00079 } 00080 } 00081 00082 } // namespace ros 00083 00084 #endif /* CPP_COMMON_PLATFORM_H_ */