blocxx
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00001 /******************************************************************************* 00002 * Copyright (C) 2001-2004 Novell, Inc. All rights reserved. 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 * 00007 * - Redistributions of source code must retain the above copyright notice, 00008 * this list of conditions and the following disclaimer. 00009 * 00010 * - Redistributions in binary form must reproduce the above copyright notice, 00011 * this list of conditions and the following disclaimer in the documentation 00012 * and/or other materials provided with the distribution. 00013 * 00014 * - Neither the name of Novell, Inc. nor the names of its 00015 * contributors may be used to endorse or promote products derived from this 00016 * software without specific prior written permission. 00017 * 00018 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' 00019 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00020 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00021 * ARE DISCLAIMED. IN NO EVENT SHALL Novell, Inc. OR THE CONTRIBUTORS 00022 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00023 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00024 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00025 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00026 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00027 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00028 * POSSIBILITY OF SUCH DAMAGE. 00029 *******************************************************************************/ 00030 00035 #include "blocxx/BLOCXX_config.h" 00036 #include "blocxx/System.hpp" 00037 #include <cstring> 00038 #include <cerrno> 00039 00040 #ifdef BLOCXX_WIN32 00041 #include <winsock2.h> 00042 #endif 00043 00044 namespace BLOCXX_NAMESPACE 00045 { 00046 namespace System 00047 { 00048 00049 #ifdef BLOCXX_WIN32 00050 00051 String errorMsg(int errorCode) 00052 { 00053 LPVOID lpMsgBuf; 00054 if (!::FormatMessage( 00055 FORMAT_MESSAGE_ALLOCATE_BUFFER 00056 | FORMAT_MESSAGE_FROM_SYSTEM 00057 | FORMAT_MESSAGE_IGNORE_INSERTS, 00058 NULL, 00059 errorCode, 00060 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language 00061 (LPTSTR) &lpMsgBuf, 00062 0, 00063 NULL)) 00064 { 00065 return String(); 00066 } 00067 00068 String rmsg((const char*)lpMsgBuf); 00069 00070 // Free the buffer. 00071 ::LocalFree(lpMsgBuf); 00072 return rmsg; 00073 } 00074 00076 UInt32 lastErrorMsg(const String &a_action, String &a_errorMessage) 00077 { 00078 DWORD errcode = GetLastError(); 00079 a_errorMessage.format("%s%s%ld%s%s", a_action.c_str(), " failed with error ", errcode, " : ", errorMsg(errcode).c_str()); 00080 00081 return errcode; 00082 } 00083 00085 String lastErrorMsg(bool socketError) 00086 { 00087 DWORD errcode = (socketError) ? WSAGetLastError() : GetLastError(); 00088 return errorMsg(errcode); 00089 } 00090 #else 00091 String errorMsg(int errorCode) 00092 { 00093 return String(::strerror(errorCode)); 00094 } 00096 String lastErrorMsg(bool socketError) 00097 { 00098 return errorMsg(errno); 00099 } 00100 #endif 00101 00102 } // End of System namespace 00103 } // End of BLOCXX_NAMESPACE 00104