Differential D3744 Diff 11994 source/blender/blenlib/intern/array_store.c

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source/blender/blenlib/intern/array_store.c

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	* matching chunks from this state are re-used in the new state.	* matching chunks from this state are re-used in the new state.
	*	*
	* First matches at either end of the array are detected.	* First matches at either end of the array are detected.
	* For identical arrays this is all thats needed.	* For identical arrays this is all that's needed.
	*	*
	* De-duplication is performed on any remaining chunks, by hashing the first few bytes of the chunk	* De-duplication is performed on any remaining chunks, by hashing the first few bytes of the chunk
	* (see: BCHUNK_HASH_TABLE_ACCUMULATE_STEPS).	* (see: BCHUNK_HASH_TABLE_ACCUMULATE_STEPS).
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	* used for lookups.	* used for lookups.
	*	*
	* Point to the #BChunkRef, not the #BChunk,	* Point to the #BChunkRef, not the #BChunk,
	* to allow talking down the chunks in-order until a mis-match is found,	* to allow talking down the chunks in-order until a mismatch is found,
	* this avoids having to do so many table lookups.	* this avoids having to do so many table lookups.
	*/	*/
	typedef struct BTableRef {	typedef struct BTableRef {
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	data_trim_len = data_trim_len - data_last_chunk_len;	data_trim_len = data_trim_len - data_last_chunk_len;
	if (data_last_chunk_len) {	if (data_last_chunk_len) {
	if (data_last_chunk_len < info->chunk_byte_size_min) {	if (data_last_chunk_len < info->chunk_byte_size_min) {
	/* may be zero and thats OK */	/* may be zero and that's OK */
	data_trim_len -= info->chunk_byte_size;	data_trim_len -= info->chunk_byte_size;
	data_last_chunk_len += info->chunk_byte_size;	data_last_chunk_len += info->chunk_byte_size;
	}	}
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