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[network] Refactor TransactionObserver::OnDataAvailable()

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Moonchild 2023-09-27 16:37:30 +02:00 • committed by roytam1
commit fb38f6d74e
1 changed files with 5 additions and 4 deletions
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9
netwerk/protocol/http/AlternateServices.cpp
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@ -755,13 +755,14 @@ TransactionObserver::OnDataAvailable(nsIRequest *aRequest, nsISupports *aContext
nsIInputStream *aStream, uint64_t aOffset, uint32_t aCount) nsIInputStream *aStream, uint64_t aOffset, uint32_t aCount)
{ {
MOZ_ASSERT(NS_IsMainThread()); MOZ_ASSERT(NS_IsMainThread());
uint64_t newLen = aCount + mWKResponse.Length(); uint64_t oldLen = static_cast<uint64_t>(mWKResponse.Length());
uint64_t newLen = static_cast<uint64_t>(aCount) + oldLen;
if (newLen < MAX_WK) { if (newLen < MAX_WK) {
char *startByte = reinterpret_cast<char *>(mWKResponse.BeginWriting()) + mWKResponse.Length(); char *startByte = reinterpret_cast<char *>(mWKResponse.BeginWriting()) + oldLen;
uint32_t amtRead; uint32_t amtRead;
if (NS_SUCCEEDED(aStream->Read(startByte, aCount, &amtRead))) { if (NS_SUCCEEDED(aStream->Read(startByte, aCount, &amtRead))) {
MOZ_ASSERT(mWKResponse.Length() + amtRead < MAX_WK); MOZ_ASSERT(oldLen + amtRead < MAX_WK);
mWKResponse.SetLength(mWKResponse.Length() + amtRead); mWKResponse.SetLength(oldLen + amtRead);
LOG(("TransactionObserver onDataAvailable %p read %d of .wk [%d]\n", LOG(("TransactionObserver onDataAvailable %p read %d of .wk [%d]\n",
this, amtRead, mWKResponse.Length())); this, amtRead, mWKResponse.Length()));
} else { } else {