System.cpp

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00001 /*******************************************************************************
00002 * Copyright (C) 2004 Vintela, Inc. All rights reserved.
00003 * Copyright (C) 2005 Novell, Inc. All rights reserved.
00004 *
00005 * Redistribution and use in source and binary forms, with or without
00006 * modification, are permitted provided that the following conditions are met:
00007 *
00008 *  - Redistributions of source code must retain the above copyright notice,
00009 *    this list of conditions and the following disclaimer.
00010 *
00011 *  - Redistributions in binary form must reproduce the above copyright notice,
00012 *    this list of conditions and the following disclaimer in the documentation
00013 *    and/or other materials provided with the distribution.
00014 *
00015 *  - Neither the name of Vintela, Inc., Novell, Inc., nor the names of its
00016 *    contributors may be used to endorse or promote products derived from this
00017 *    software without specific prior written permission.
00018 *
00019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
00020 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00021 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00022 * ARE DISCLAIMED. IN NO EVENT SHALL Vintela, Inc., Novell, Inc., OR THE 
00023 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
00024 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
00025 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 
00026 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
00027 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
00028 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
00029 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00030 *******************************************************************************/
00031 
00032 
00037 #include "blocxx/BLOCXX_config.h"
00038 #include "blocxx/System.hpp"
00039 #include <cstring>
00040 #include <cerrno>
00041 
00042 namespace BLOCXX_NAMESPACE
00043 {
00044 namespace System
00045 {
00046 
00047 #ifdef BLOCXX_WIN32
00048 
00049 String errorMsg(int errorCode)
00050 {
00051    LPVOID lpMsgBuf;
00052    if (!::FormatMessage( 
00053             FORMAT_MESSAGE_ALLOCATE_BUFFER
00054                | FORMAT_MESSAGE_FROM_SYSTEM
00055                | FORMAT_MESSAGE_IGNORE_INSERTS,
00056             NULL,
00057             errorCode,
00058             MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
00059             (LPTSTR) &lpMsgBuf,
00060             0,
00061             NULL))
00062    {
00063       return String();
00064    }
00065 
00066    String rmsg((const char*)lpMsgBuf);
00067 
00068    // Free the buffer.
00069    ::LocalFree(lpMsgBuf);
00070    return rmsg;
00071 }
00073 String lastErrorMsg(bool socketError)
00074 {
00075    DWORD errcode = (socketError) ? WSAGetLastError() : GetLastError();
00076    return errorMsg(errcode);
00077 }
00078 #else
00079 String errorMsg(int errorCode)
00080 {
00081    return String(::strerror(errorCode));
00082 }
00084 String lastErrorMsg(bool socketError)
00085 {
00086    return errorMsg(errno);
00087 }
00088 #endif
00089 
00090 }  // End of System namespace
00091 
00092 }  // End of BLOCXX_NAMESPACE namespace
00093 

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