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ZSTD_resetCCtx_internal: fixed order of arguments 

params1 was swapped with params2.
This used to be a non-issue when testing for strict equality,
but now that some tests look for "sufficient size" `<=`, order matters.
dev
Yann Collet 2017-12-19 21:49:04 +01:00
parent 9096088f45
commit cafedcbbe4
2 changed files with 14 additions and 8 deletions
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20
lib/compress/zstd_compress.c
View File

@ -161,7 +161,7 @@ static void ZSTD_cLevelToCCtxParams_srcSize(ZSTD_CCtx_params* CCtxParams, U64 sr
static void ZSTD_cLevelToCParams(ZSTD_CCtx* cctx)
{
DEBUGLOG(4, "ZSTD_cLevelToCParams");
DEBUGLOG(4, "ZSTD_cLevelToCParams: level=%i", cctx->requestedParams.compressionLevel);
ZSTD_cLevelToCCtxParams_srcSize(
&cctx->requestedParams, cctx->pledgedSrcSizePlusOne-1);
}
@ -169,7 +169,7 @@ static void ZSTD_cLevelToCParams(ZSTD_CCtx* cctx)
static void ZSTD_cLevelToCCtxParams(ZSTD_CCtx_params* CCtxParams)
{
DEBUGLOG(4, "ZSTD_cLevelToCCtxParams");
ZSTD_cLevelToCCtxParams_srcSize(CCtxParams, 0);
ZSTD_cLevelToCCtxParams_srcSize(CCtxParams, ZSTD_CONTENTSIZE_UNKNOWN);
}
static ZSTD_CCtx_params ZSTD_makeCCtxParamsFromCParams(
@ -247,7 +247,7 @@ static ZSTD_CCtx_params ZSTD_assignParamsToCCtxParams(
size_t ZSTD_CCtx_setParameter(ZSTD_CCtx* cctx, ZSTD_cParameter param, unsigned value)
{
DEBUGLOG(4, "ZSTD_CCtx_setParameter");
DEBUGLOG(4, "ZSTD_CCtx_setParameter (%u, %u)", (U32)param, value);
if (cctx->streamStage != zcss_init) return ERROR(stage_wrong);
switch(param)
@ -311,6 +311,7 @@ size_t ZSTD_CCtx_setParameter(ZSTD_CCtx* cctx, ZSTD_cParameter param, unsigned v
size_t ZSTD_CCtxParam_setParameter(
ZSTD_CCtx_params* CCtxParams, ZSTD_cParameter param, unsigned value)
{
DEBUGLOG(4, "ZSTD_CCtxParam_setParameter (%u, %u)", (U32)param, value);
switch(param)
{
case ZSTD_p_format :
@ -326,7 +327,7 @@ size_t ZSTD_CCtxParam_setParameter(
return CCtxParams->compressionLevel;
case ZSTD_p_windowLog :
DEBUGLOG(4, "setting windowLog=%u", value);
DEBUGLOG(4, "ZSTD_CCtxParam_setParameter: set windowLog=%u", value);
if (value) { /* 0 : does not change current windowLog */
CLAMPCHECK(value, ZSTD_WINDOWLOG_MIN, ZSTD_WINDOWLOG_MAX);
ZSTD_cLevelToCCtxParams(CCtxParams);
@ -760,6 +761,10 @@ static U32 ZSTD_sufficientBuff(size_t bufferSize1, size_t blockSize1,
size_t const windowSize2 = MAX(1, (size_t)MIN(((U64)1 << cParams2.windowLog), pledgedSrcSize));
size_t const blockSize2 = MIN(ZSTD_BLOCKSIZE_MAX, windowSize2);
size_t const neededBufferSize2 = (buffPol2==ZSTDb_buffered) ? windowSize2 + blockSize2 : 0;
DEBUGLOG(4, "ZSTD_sufficientBuff: windowSize2=%u from wlog=%u",
(U32)windowSize2, cParams2.windowLog);
DEBUGLOG(4, "ZSTD_sufficientBuff: blockSize2 %u <=? blockSize1 %u",
(U32)blockSize2, (U32)blockSize1);
return (blockSize2 <= blockSize1) /* seqStore space depends on blockSize */
& (neededBufferSize2 <= bufferSize1);
}
@ -815,14 +820,15 @@ static size_t ZSTD_resetCCtx_internal(ZSTD_CCtx* zc,
ZSTD_compResetPolicy_e const crp,
ZSTD_buffered_policy_e const zbuff)
{
DEBUGLOG(4, "ZSTD_resetCCtx_internal: pledgedSrcSize=%u", (U32)pledgedSrcSize);
DEBUGLOG(4, "ZSTD_resetCCtx_internal: pledgedSrcSize=%u, wlog=%u",
(U32)pledgedSrcSize, params.cParams.windowLog);
assert(!ZSTD_isError(ZSTD_checkCParams(params.cParams)));
if (crp == ZSTDcrp_continue) {
if (ZSTD_equivalentParams(params, zc->appliedParams,
if (ZSTD_equivalentParams(zc->appliedParams, params,
zc->inBuffSize, zc->blockSize,
zbuff, pledgedSrcSize)) {
DEBUGLOG(4, "ZSTD_equivalentParams()==1 -> continue mode (wLog=%u, blockSize=%u)",
DEBUGLOG(4, "ZSTD_equivalentParams()==1 -> continue mode (wLog1=%u, blockSize1=%u)",
zc->appliedParams.cParams.windowLog, (U32)zc->blockSize);
assert(!(params.ldmParams.enableLdm &&
params.ldmParams.hashEveryLog == ZSTD_LDM_HASHEVERYLOG_NOTSET));

2
tests/zstreamtest.c
View File

@ -1527,7 +1527,7 @@ static int fuzzerTests_newAPI(U32 seed, U32 nbTests, unsigned startTest, double
(MAX(testLog, dictLog) / 2))) +
1;
U32 const cLevel = MIN(cLevelCandidate, cLevelMax);
DISPLAYLEVEL(5, "t%u: cLevel : %u \n", testNb, cLevel);
DISPLAYLEVEL(5, "t%u: base cLevel : %u \n", testNb, cLevel);
maxTestSize = FUZ_rLogLength(&lseed, testLog);
DISPLAYLEVEL(5, "t%u: maxTestSize : %u \n", testNb, (U32)maxTestSize);
oldTestLog = testLog;