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more block checking

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git-svn-id: https://profuse.googlecode.com/svn/branches/v2@259 aa027e90-d47c-11dd-86d7-074df07e0730
This commit is contained in:
ksherlock 2010-05-22 16:11:41 +00:00
parent 4a98605123
commit ef4f906d70
2 changed files with 17 additions and 4 deletions
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13
Cache/MappedBlockCache.cpp
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@ -64,6 +64,12 @@ void MappedBlockCache::release(unsigned block, int flags)
void MappedBlockCache::write(unsigned block, const void *vp)
{
#undef __METHOD__
#define __METHOD__ "MappedBlockCache::write"
if (block >= blocks())
throw Exception(__METHOD__ ": Invalid block.");
_dirty = true;
std::memcpy(_data + block * 512, vp, 512);
}
@ -71,6 +77,13 @@ void MappedBlockCache::write(unsigned block, const void *vp)
void MappedBlockCache::zeroBlock(unsigned block)
{
#undef __METHOD__
#define __METHOD__ "MappedBlockCache::zeroBlock"
if (block >= blocks())
throw Exception(__METHOD__ ": Invalid block.");
_dirty = true;
std::memset(_data + block * 512, 0, 512);
}

8
Cache/MappedBlockCache.h
View File

@ -22,11 +22,11 @@ class MappedBlockCache : public BlockCache {
virtual void markDirty(unsigned block);
private:
void sync(unsigned block);
void sync(unsigned block);
uint8_t *_data;
bool _dirty;
uint8_t *_data;
bool _dirty;
};
} // namespace