void dng_memory_stream::DoWrite (const void *data,
uint32 count,
uint64 offset)
{
DoSetLength (Max_uint64 (fMemoryStreamLength,
offset + count));
uint64 baseOffset = offset;
while (count)
{
uint32 pageIndex = (uint32) (offset / fPageSize);
uint32 pageOffset = (uint32) (offset % fPageSize);
uint32 blockCount = Min_uint32 (fPageSize - pageOffset, count);
const uint8 *sPtr = ((const uint8 *) data) + (uint32) (offset - baseOffset);
uint8 *dPtr = fPageList [pageIndex]->Buffer_uint8 () +
pageOffset;
DoCopyBytes (sPtr, dPtr, blockCount);
offset += blockCount;
count -= blockCount;
}
}
void dng_stream::SetLength (uint64 length)
{
Flush ();
if (Length () != length)
{
DoSetLength (length);
fLength = length;
}
}
void WordVector::SetMaxLength(long n)
{
long OldLength = length();
DoSetLength(n);
if (rep) rep[-1] = OldLength;
}
