|
private ResizeBlock ( Stream stream, |
||
| stream | Stream | The stream. |
| tag | The tag that the block belongs to, if any. | |
| startOffset | long | The offset where the block to resize begins at. |
| oldSize | long | The current size of the block to resize. |
| newSize | long | The new size of the block. |
| return | void | |
private void ResizeBlock(Stream stream, TagInstance tag, long startOffset, long oldSize, long newSize)
{
if (newSize < 0)
throw new ArgumentException("Cannot resize a block to a negative size");
if (oldSize == newSize)
return;
var oldEndOffset = startOffset + oldSize;
var sizeDelta = newSize - oldSize;
StreamUtil.Copy(stream, oldEndOffset, oldEndOffset + sizeDelta, stream.Length - oldEndOffset);
FixTagOffsets(oldEndOffset, sizeDelta, tag);
}