int CLog::PrintLog(LogType nLogType, const char * pLog, ...)
{
try
{
if(IsNull()!=0)
{
fprintf(m_pLog, "Invalid log file path and set as default!");
fflush(m_pLog);
}
va_list args; // 变参链表 [ZuoW,2010/3/11]
va_start(args, pLog); // 将可变参数转换位变参链表
// 组织日志语句
FormatLog(nLogType, pLog, args);
va_end(args);
// 输出日志到文件
fflush(m_pLog);
}
catch(...)
{
return FAIL;
}
return SUCCESS;
}
void Log::LogMessageVarg(LogMessageType messageType, const char* fmt, va_list argList)
{
if ((messageType & LoggingMask) == 0)
return;
#ifndef OVR_BUILD_DEBUG
if (IsDebugMessage(messageType))
return;
#endif
char buffer[MaxLogBufferMessageSize];
char* pBuffer = buffer;
char* pAllocated = NULL;
#if !defined(OVR_CC_MSVC) // Non-Microsoft compilers require you to save a copy of the va_list.
va_list argListSaved;
va_copy(argListSaved, argList);
#endif
int result = FormatLog(pBuffer, MaxLogBufferMessageSize, messageType, fmt, argList);
if(result >= MaxLogBufferMessageSize) // If there was insufficient capacity...
{
// We assume C++ exceptions are disabled.
// FormatLog will handle the case that pAllocated is NULL.
pAllocated = new char [result + 1];
// We cannot use OVR_ALLOC() for this allocation because the logging subsystem exists
// outside of the rest of LibOVR so that it can be used to log events from anywhere.
pBuffer = pAllocated;
#if !defined(OVR_CC_MSVC)
va_end(argList); // The caller owns argList and will call va_end on it.
va_copy(argList, argListSaved);
#endif
FormatLog(pBuffer, (size_t)result + 1, messageType, fmt, argList);
}
DefaultLogOutput(pBuffer, messageType, result);
delete[] pAllocated;
}
int CLog::PrintLog(LogType nLogType, std::string strLog,...)
{
try
{
if(IsNull()!=0)
{
fprintf(m_pLog, "Invalid log file path and set as default!");
fflush(m_pLog);
}
va_list args; // 可变参数链表 [ZuoW,2010/3/11]
va_start(args, strLog); /// va_start 的第二个参数不是最后一个有名参数 [ZuoW,2010/6/8]
FormatLog(nLogType, strLog.c_str(), args);
fflush(m_pLog);
}
catch(...)
{
return FAIL;
}
return SUCCESS;
}
