lib/zstd/huf_decompress.c

199 static size_t HUF_decompress1X2_usingDTable_internal(void *dst, size_t dstSize, const void *cSrc, s…  in HUF_decompress1X2_usingDTable_internal()  argument
202 	BYTE *const oend = op + dstSize;  in HUF_decompress1X2_usingDTable_internal()
221 	return dstSize;  in HUF_decompress1X2_usingDTable_internal()
224 size_t HUF_decompress1X2_usingDTable(void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize, …  in HUF_decompress1X2_usingDTable()  argument
229 	return HUF_decompress1X2_usingDTable_internal(dst, dstSize, cSrc, cSrcSize, DTable);  in HUF_decompress1X2_usingDTable()
232 size_t HUF_decompress1X2_DCtx_wksp(HUF_DTable *DCtx, void *dst, size_t dstSize, const void *cSrc, s…  in HUF_decompress1X2_DCtx_wksp()  argument
244 	return HUF_decompress1X2_usingDTable_internal(dst, dstSize, ip, cSrcSize, DCtx);  in HUF_decompress1X2_DCtx_wksp()
247 static size_t HUF_decompress4X2_usingDTable_internal(void *dst, size_t dstSize, const void *cSrc, s…  in HUF_decompress4X2_usingDTable_internal()  argument
256 		BYTE *const oend = ostart + dstSize;  in HUF_decompress4X2_usingDTable_internal()
273 		const size_t segmentSize = (dstSize + 3) / 4;  in HUF_decompress4X2_usingDTable_internal()
351 		return dstSize;  in HUF_decompress4X2_usingDTable_internal()
355 size_t HUF_decompress4X2_usingDTable(void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize, …  in HUF_decompress4X2_usingDTable()  argument
360 	return HUF_decompress4X2_usingDTable_internal(dst, dstSize, cSrc, cSrcSize, DTable);  in HUF_decompress4X2_usingDTable()
363 size_t HUF_decompress4X2_DCtx_wksp(HUF_DTable *dctx, void *dst, size_t dstSize, const void *cSrc, s…  in HUF_decompress4X2_DCtx_wksp()  argument
375 	return HUF_decompress4X2_usingDTable_internal(dst, dstSize, ip, cSrcSize, dctx);  in HUF_decompress4X2_DCtx_wksp()
655 static size_t HUF_decompress1X4_usingDTable_internal(void *dst, size_t dstSize, const void *cSrc, s…  in HUF_decompress1X4_usingDTable_internal()  argument
669 		BYTE *const oend = ostart + dstSize;  in HUF_decompress1X4_usingDTable_internal()
681 	return dstSize;  in HUF_decompress1X4_usingDTable_internal()
684 size_t HUF_decompress1X4_usingDTable(void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize, …  in HUF_decompress1X4_usingDTable()  argument
689 	return HUF_decompress1X4_usingDTable_internal(dst, dstSize, cSrc, cSrcSize, DTable);  in HUF_decompress1X4_usingDTable()
692 size_t HUF_decompress1X4_DCtx_wksp(HUF_DTable *DCtx, void *dst, size_t dstSize, const void *cSrc, s…  in HUF_decompress1X4_DCtx_wksp()  argument
704 	return HUF_decompress1X4_usingDTable_internal(dst, dstSize, ip, cSrcSize, DCtx);  in HUF_decompress1X4_DCtx_wksp()
707 static size_t HUF_decompress4X4_usingDTable_internal(void *dst, size_t dstSize, const void *cSrc, s…  in HUF_decompress4X4_usingDTable_internal()  argument
715 		BYTE *const oend = ostart + dstSize;  in HUF_decompress4X4_usingDTable_internal()
732 		size_t const segmentSize = (dstSize + 3) / 4;  in HUF_decompress4X4_usingDTable_internal()
813 		return dstSize;  in HUF_decompress4X4_usingDTable_internal()
817 size_t HUF_decompress4X4_usingDTable(void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize, …  in HUF_decompress4X4_usingDTable()  argument
822 	return HUF_decompress4X4_usingDTable_internal(dst, dstSize, cSrc, cSrcSize, DTable);  in HUF_decompress4X4_usingDTable()
825 size_t HUF_decompress4X4_DCtx_wksp(HUF_DTable *dctx, void *dst, size_t dstSize, const void *cSrc, s…  in HUF_decompress4X4_DCtx_wksp()  argument
837 	return HUF_decompress4X4_usingDTable_internal(dst, dstSize, ip, cSrcSize, dctx);  in HUF_decompress4X4_DCtx_wksp()
887 U32 HUF_selectDecoder(size_t dstSize, size_t cSrcSize)  in HUF_selectDecoder()  argument
890 	U32 const Q = (U32)(cSrcSize * 16 / dstSize); /* Q < 16 since dstSize > cSrcSize */  in HUF_selectDecoder()
891 	U32 const D256 = (U32)(dstSize >> 8);  in HUF_selectDecoder()
899 typedef size_t (*decompressionAlgo)(void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize);
901 size_t HUF_decompress4X_DCtx_wksp(HUF_DTable *dctx, void *dst, size_t dstSize, const void *cSrc, si…  in HUF_decompress4X_DCtx_wksp()  argument
904 	if (dstSize == 0)  in HUF_decompress4X_DCtx_wksp()
906 	if (cSrcSize > dstSize)  in HUF_decompress4X_DCtx_wksp()
908 	if (cSrcSize == dstSize) {  in HUF_decompress4X_DCtx_wksp()
909 		memcpy(dst, cSrc, dstSize);  in HUF_decompress4X_DCtx_wksp()
910 		return dstSize;  in HUF_decompress4X_DCtx_wksp()
913 		memset(dst, *(const BYTE *)cSrc, dstSize);  in HUF_decompress4X_DCtx_wksp()
914 		return dstSize;  in HUF_decompress4X_DCtx_wksp()
918 		U32 const algoNb = HUF_selectDecoder(dstSize, cSrcSize);  in HUF_decompress4X_DCtx_wksp()
919 …return algoNb ? HUF_decompress4X4_DCtx_wksp(dctx, dst, dstSize, cSrc, cSrcSize, workspace, workspa…  in HUF_decompress4X_DCtx_wksp()
920 …	      : HUF_decompress4X2_DCtx_wksp(dctx, dst, dstSize, cSrc, cSrcSize, workspace, workspaceSize);  in HUF_decompress4X_DCtx_wksp()
924 size_t HUF_decompress4X_hufOnly_wksp(HUF_DTable *dctx, void *dst, size_t dstSize, const void *cSrc,…  in HUF_decompress4X_hufOnly_wksp()  argument
927 	if (dstSize == 0)  in HUF_decompress4X_hufOnly_wksp()
929 	if ((cSrcSize >= dstSize) || (cSrcSize <= 1))  in HUF_decompress4X_hufOnly_wksp()
933 		U32 const algoNb = HUF_selectDecoder(dstSize, cSrcSize);  in HUF_decompress4X_hufOnly_wksp()
934 …return algoNb ? HUF_decompress4X4_DCtx_wksp(dctx, dst, dstSize, cSrc, cSrcSize, workspace, workspa…  in HUF_decompress4X_hufOnly_wksp()
935 …	      : HUF_decompress4X2_DCtx_wksp(dctx, dst, dstSize, cSrc, cSrcSize, workspace, workspaceSize);  in HUF_decompress4X_hufOnly_wksp()
939 size_t HUF_decompress1X_DCtx_wksp(HUF_DTable *dctx, void *dst, size_t dstSize, const void *cSrc, si…  in HUF_decompress1X_DCtx_wksp()  argument
942 	if (dstSize == 0)  in HUF_decompress1X_DCtx_wksp()
944 	if (cSrcSize > dstSize)  in HUF_decompress1X_DCtx_wksp()
946 	if (cSrcSize == dstSize) {  in HUF_decompress1X_DCtx_wksp()
947 		memcpy(dst, cSrc, dstSize);  in HUF_decompress1X_DCtx_wksp()
948 		return dstSize;  in HUF_decompress1X_DCtx_wksp()
951 		memset(dst, *(const BYTE *)cSrc, dstSize);  in HUF_decompress1X_DCtx_wksp()
952 		return dstSize;  in HUF_decompress1X_DCtx_wksp()
956 		U32 const algoNb = HUF_selectDecoder(dstSize, cSrcSize);  in HUF_decompress1X_DCtx_wksp()
957 …return algoNb ? HUF_decompress1X4_DCtx_wksp(dctx, dst, dstSize, cSrc, cSrcSize, workspace, workspa…  in HUF_decompress1X_DCtx_wksp()
958 …	      : HUF_decompress1X2_DCtx_wksp(dctx, dst, dstSize, cSrc, cSrcSize, workspace, workspaceSize);  in HUF_decompress1X_DCtx_wksp()