internal void CopyTo(CheckedPointer dest)
{
unsafe
{
if (_pointer == null)
{
throw new ArgumentOutOfRangeException();
}
byte *s = (byte *)_pointer;
byte *d = (byte *)dest.Probe(0, _size);
for (int i = 0; i < _size; ++i)
{
d[i] = s[i];
}
}
}
internal void InitFromCacheImage(CheckedPointer cacheImage)
{
if (cacheImage.Size < MinCacheSize ||
(cacheImage.Size % 8) != 0 ||
cacheImage.Size > MaxCacheSize)
{
// Malformed input cache, just return. Assert in debug builds to catch possible bugs.
Debug.Assert(false);
return;
}
int oldCurrentSize;
unsafe
{
// Validate the current size field in the existing cache image.
oldCurrentSize = *(int *)cacheImage.Probe(offCurSize, sizeof(int));
}
if (Util.Align8(oldCurrentSize) != oldCurrentSize || oldCurrentSize != cacheImage.Size)
{
// Malformed input cache, just return. Assert in debug builds to catch possible bugs.
Debug.Assert(false);
return;
}
_mfile.Commit(cacheImage.Size);
GetCacheHeader()->CurSize = cacheImage.Size;
cacheImage.CopyTo(Mapping);
// This can happen only if the current cache size field was not set properly in the cache image,
// and we should have caught this situation earlier in this function.
Invariant.Assert(CurrentSize == cacheImage.Size);
SetNew();
}
