lib/lz4/lz4_decompress.c

567 	LZ4_streamDecode_t_internal *lz4sd =
570 	lz4sd->prefixSize = (size_t) dictSize;
571 	lz4sd->prefixEnd = (const BYTE *) dictionary + dictSize;
572 	lz4sd->externalDict = NULL;
573 	lz4sd->extDictSize	= 0;
590 	LZ4_streamDecode_t_internal *lz4sd =
594 	if (lz4sd->prefixSize == 0) {
596 		assert(lz4sd->extDictSize == 0);
601 		lz4sd->prefixSize = result;
602 		lz4sd->prefixEnd = (BYTE *)dest + result;
603 	} else if (lz4sd->prefixEnd == (BYTE *)dest) {
605 		if (lz4sd->prefixSize >= 64 * KB - 1)
608 		else if (lz4sd->extDictSize == 0)
611 				lz4sd->prefixSize);
615 				lz4sd->prefixSize,
616 				lz4sd->externalDict, lz4sd->extDictSize);
619 		lz4sd->prefixSize += result;
620 		lz4sd->prefixEnd  += result;
626 		lz4sd->extDictSize = lz4sd->prefixSize;
627 		lz4sd->externalDict = lz4sd->prefixEnd - lz4sd->extDictSize;
630 			lz4sd->externalDict, lz4sd->extDictSize);
633 		lz4sd->prefixSize = result;
634 		lz4sd->prefixEnd  = (BYTE *)dest + result;
643 	LZ4_streamDecode_t_internal *lz4sd = &LZ4_streamDecode->internal_donotuse;
646 	if (lz4sd->prefixSize == 0) {
647 		assert(lz4sd->extDictSize == 0);
651 		lz4sd->prefixSize = originalSize;
652 		lz4sd->prefixEnd = (BYTE *)dest + originalSize;
653 	} else if (lz4sd->prefixEnd == (BYTE *)dest) {
654 		if (lz4sd->prefixSize >= 64 * KB - 1 ||
655 		    lz4sd->extDictSize == 0)
660 				originalSize, lz4sd->prefixSize,
661 				lz4sd->externalDict, lz4sd->extDictSize);
664 		lz4sd->prefixSize += originalSize;
665 		lz4sd->prefixEnd  += originalSize;
667 		lz4sd->extDictSize = lz4sd->prefixSize;
668 		lz4sd->externalDict = lz4sd->prefixEnd - lz4sd->extDictSize;
670 			originalSize, lz4sd->externalDict, lz4sd->extDictSize);
673 		lz4sd->prefixSize = originalSize;
674 		lz4sd->prefixEnd = (BYTE *)dest + originalSize;