zstd/decompress/zstd_decompress_block.c

913     BYTE* const oLitEnd = op + sequence.litLength;
916     const BYTE* match = oLitEnd - sequence.offset;
923     assert(oLitEnd < op + sequenceLength);
927     op = oLitEnd;
931     if (sequence.offset > (size_t)(oLitEnd - prefixStart)) {
933         RETURN_ERROR_IF(sequence.offset > (size_t)(oLitEnd - virtualStart), corruption_detected, "");
936             ZSTD_memmove(oLitEnd, match, sequence.matchLength);
941         ZSTD_memmove(oLitEnd, match, length1);
942         op = oLitEnd + length1;
961     BYTE* const oLitEnd = op + sequence.litLength;
964     const BYTE* match = oLitEnd - sequence.offset;
971     assert(oLitEnd < op + sequenceLength);
976     op = oLitEnd;
980     if (sequence.offset > (size_t)(oLitEnd - prefixStart)) {
982         RETURN_ERROR_IF(sequence.offset > (size_t)(oLitEnd - virtualStart), corruption_detected, "");
985             ZSTD_memmove(oLitEnd, match, sequence.matchLength);
990         ZSTD_memmove(oLitEnd, match, length1);
991         op = oLitEnd + length1;
1007     BYTE* const oLitEnd = op + sequence.litLength;
1012     const BYTE* match = oLitEnd - sequence.offset;
1033     assert(op <= oLitEnd /* No overflow */);
1034     assert(oLitEnd < oMatchEnd /* Non-zero match & no overflow */);
1037     assert(oLitEnd <= oend_w /* Can wildcopy literals */);
1049     op = oLitEnd;
1053     if (sequence.offset > (size_t)(oLitEnd - prefixStart)) {
1055         RETURN_ERROR_IF(UNLIKELY(sequence.offset > (size_t)(oLitEnd - virtualStart)), corruption_detected, "");
1058             ZSTD_memmove(oLitEnd, match, sequence.matchLength);
1063         ZSTD_memmove(oLitEnd, match, length1);
1064         op = oLitEnd + length1;
1106     BYTE* const oLitEnd = op + sequence.litLength;
1110     const BYTE* match = oLitEnd - sequence.offset;
1126     assert(op <= oLitEnd /* No overflow */);
1127     assert(oLitEnd < oMatchEnd /* Non-zero match & no overflow */);
1130     assert(oLitEnd <= oend_w /* Can wildcopy literals */);
1142     op = oLitEnd;
1146     if (sequence.offset > (size_t)(oLitEnd - prefixStart)) {
1148         RETURN_ERROR_IF(UNLIKELY(sequence.offset > (size_t)(oLitEnd - virtualStart)), corruption_detected, "");
1151             ZSTD_memmove(oLitEnd, match, sequence.matchLength);
1156             ZSTD_memmove(oLitEnd, match, length1);
1157             op = oLitEnd + length1;
1351 static int ZSTD_dictionaryIsActive(ZSTD_DCtx const* dctx, BYTE const* prefixStart, BYTE const* oLitEnd)
1361     if ((size_t)(oLitEnd - prefixStart) >= windowSize) return 0;
1377         BYTE const* const oLitEnd = op + seq.litLength;
1383         if (ZSTD_dictionaryIsActive(dctx, prefixStart, oLitEnd)) {
1386             assert(seq.offset <= (size_t)(oLitEnd - virtualStart));