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Added getPtr and clone to MemoryStream

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This commit is contained in:
Nicolay Korslund 2009-12-29 16:23:09 +01:00
parent 0c18c4db03
commit 084fd9dfb2
1 changed files with 19 additions and 0 deletions
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19
stream/servers/memory_stream.h
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@ -54,6 +54,25 @@ class MemoryStream : public Stream
size_t tell() const { return pos; }
size_t size() const { return length; }
bool eof() const { return pos == length; }
// New members in MemoryStream:
/// Get the base pointer to the entire buffer
const void *getPtr() const { return data; }
/// Clone this memory stream
/** Make a new stream of the same buffer. If setPos is true, we also
set the clone's position to be the same as ours.
No memory is copied during this operation, the new stream is
just another 'view' into the same shared memory buffer.
*/
MemoryStream *clone(bool setPos=false) const
{
MemoryStream *res = new MemoryStream(data, length);
if(setPos) res->seek(pos);
return res;
}
};
}} // namespaces