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Make Sourcebuffer::AppendFromInputStream handle canceled image loads.

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This commit is contained in:
wolfbeast 2019-01-21 14:02:56 +01:00 • committed by Roy Tam
commit 3640321580
1 changed files with 11 additions and 3 deletions
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14
image/SourceBuffer.cpp
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@ -451,10 +451,18 @@ SourceBuffer::AppendFromInputStream(nsIInputStream* aInputStream,
uint32_t bytesRead; uint32_t bytesRead;
nsresult rv = aInputStream->ReadSegments(AppendToSourceBuffer, this, nsresult rv = aInputStream->ReadSegments(AppendToSourceBuffer, this,
aCount, &bytesRead); aCount, &bytesRead);
if (!NS_WARN_IF(NS_FAILED(rv))) { if (NS_WARN_IF(NS_FAILED(rv))) {
MOZ_ASSERT(bytesRead == aCount, return rv;
"AppendToSourceBuffer should consume everything");
} }
if (bytesRead == 0) {
// The loading of the image has been canceled.
return NS_ERROR_FAILURE;
}
MOZ_ASSERT(bytesRead == aCount,
"AppendToSourceBuffer should consume everything");
return rv; return rv;
} }