Merge branch 'dev' into advancedAPI

fixed rsyncable

tests/playTests.sh

@@ -836,6 +836,12 @@ $ECHO "===>   test: --adapt must fail on incoherent bounds "
 ./datagen > tmp
 $ZSTD -f -vv --adapt=min=10,max=9 tmp && die "--adapt must fail on incoherent bounds"
 
+$ECHO "\n===>   rsyncable mode "
+roundTripTest -g10M " --rsyncable"
+roundTripTest -g10M " --rsyncable -B100K"
+$ECHO "===>   test: --rsyncable must fail with --single-thread"
+$ZSTD -f -vv --rsyncable --single-thread tmp && die "--rsyncable must fail with --single-thread"
+
 
 if [ "$1" != "--test-large-data" ]; then
     $ECHO "Skipping large data tests"

tests/zstreamtest.c

@@ -1908,6 +1908,8 @@ static int fuzzerTests_newAPI(U32 seed, U32 nbTests, unsigned startTest,
                         CHECK_Z( setCCtxParameter(zc, cctxParams, ZSTD_p_jobSize, (U32)FUZ_rLogLength(&lseed, jobLog), opaqueAPI) );
                     }
                 }
+                /* Enable rsyncable mode 1 in 4 times. */
+                setCCtxParameter(zc, cctxParams, ZSTD_p_rsyncable, (FUZ_rand(&lseed) % 4 == 0), opaqueAPI);
 
                 if (FUZ_rand(&lseed) & 1) CHECK_Z( setCCtxParameter(zc, cctxParams, ZSTD_p_forceMaxWindow, FUZ_rand(&lseed) & 1, opaqueAPI) );