本文整理汇总了C++中CHash::CopyL方法的典型用法代码示例。如果您正苦于以下问题：C++ CHash::CopyL方法的具体用法？C++ CHash::CopyL怎么用？C++ CHash::CopyL使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类CHash的用法示例。
在下文中一共展示了CHash::CopyL方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: doTestStepL
//.........这里部分代码省略.........
//Read in a block of data from the source file from the current position
err = sourceFile.Read(readPosition,sourcePtr,readIncrement);
//Update the read position by adding the number of bytes read
readPosition += readIncrement;
if(readPosition == readIncrement)
{
//Read in the first block from the data file into the Hash implementation object
hashImpl->Hash(*sourceData);
INFO_PRINTF2(_L("Intial Hash - Bytes Read: %d"), readPosition);
}
else if(readPosition >= sourceLength)
{
//Reading in the final block, constructs the complete hash value and returns it within a TPtrC8
hashStr.Set(hashCopyImpl->Final(*sourceData));
//Sets the Complete Flag to ETrue in order to drop out of the loop
hashComplete = ETrue;
TInt totalRead = (readPosition - readIncrement) + (*sourceData).Length();
INFO_PRINTF2(_L("Final Hash - Bytes Read: %d"),totalRead);
}
//If the read position is half the source length and the implementation
//object hasn't already been copied
else if((readPosition >= sourceLength/2) && (hashCopied == EFalse))
{
//Update the hash message before copying
hashImpl->Update(*sourceData);
INFO_PRINTF1(_L("Copying Hash Object..."));
//Create a Copy of the existing Hash Object and all internal state of the message digest
hashCopyImpl = hashImpl->CopyL();
hashCopied = ETrue;
INFO_PRINTF2(_L("*** HASH COPY - Bytes Read: %d ***"), readPosition);
}
else
{
//Update the message data within the Hash object with the new block
if(hashCopied == EFalse)
{
hashImpl->Update(*sourceData);
INFO_PRINTF2(_L("Hash Update - Bytes Read: %d"), readPosition);
}
else
{
hashCopyImpl->Update(*sourceData);
INFO_PRINTF2(_L("Hash Update (Copy) - Bytes Read: %d"), readPosition);
}
}
CleanupStack::PopAndDestroy(sourceData);
}while(hashComplete == EFalse);
//Create a NULL TCharacteristics pointer
const TCharacteristics* charsPtr(NULL);
//Retrieve the characteristics for the hash implementation object
TRAP_LOG(err, hashImpl->GetCharacteristicsL(charsPtr));
//Static cast the characteristics to type THashCharacteristics