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Bug 854105 - Avoid gcc 4.7 complaining about array out of bounds in nsDiskCacheMap::WriteDataCacheBlocks. r=michal

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This commit is contained in:
Mike Hommey 2013-04-11 09:32:39 +02:00
parent 2fd2630889
commit 8aca99fe1a
1 changed files with 4 additions and 1 deletions
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5
netwerk/cache/nsDiskCacheMap.cpp vendored
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@ -1034,7 +1034,10 @@ nsDiskCacheMap::WriteDataCacheBlocks(nsDiskCacheBinding * binding, char * buffer
int32_t startBlock = 0;
if (size > 0) {
while (1) {
// if fileIndex is 0, bad things happen below, which makes gcc 4.7
// complain, but it's not supposed to happen. See bug 854105.
MOZ_ASSERT(fileIndex);
while (fileIndex) {
uint32_t blockSize = GetBlockSizeForIndex(fileIndex);
blockCount = ((size - 1) / blockSize) + 1;