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Bug 920725 - Return with error in nsHtml5StreamParser::WriteStreamBytes if mLastBuffer is null. r=hsivonen

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This commit is contained in:
Steve Workman 2013-10-16 11:16:36 -04:00
parent 92a5350743
commit b4eafc86d7
1 changed files with 6 additions and 1 deletions
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7
parser/html/nsHtml5StreamParser.cpp
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@ -799,8 +799,13 @@ nsHtml5StreamParser::WriteStreamBytes(const uint8_t* aFromSegment,
uint32_t* aWriteCount)
{
NS_ASSERTION(IsParserThread(), "Wrong thread!");
// mLastBuffer always points to a buffer of the size
// mLastBuffer should always point to a buffer of the size
// NS_HTML5_STREAM_PARSER_READ_BUFFER_SIZE.
if (!mLastBuffer) {
NS_WARNING("mLastBuffer should not be null!");
MarkAsBroken();
return NS_ERROR_NULL_POINTER;
}
if (mLastBuffer->getEnd() == NS_HTML5_STREAM_PARSER_READ_BUFFER_SIZE) {
nsRefPtr<nsHtml5OwningUTF16Buffer> newBuf =
nsHtml5OwningUTF16Buffer::FalliblyCreate(