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-rw-r--r--Makefile6
-rw-r--r--lib/lz4frame.c126
-rw-r--r--lib/lz4hc.c132
-rw-r--r--lib/lz4hc.h75
-rw-r--r--tests/fullbench.c15
-rw-r--r--tests/fuzzer.c42
6 files changed, 225 insertions, 171 deletions
diff --git a/Makefile b/Makefile
index df54c73..f3c6ce2 100644
--- a/Makefile
+++ b/Makefile
@@ -50,7 +50,7 @@ endif
default: lib-release lz4-release
.PHONY: all
-all: allmost examples manuals
+all: allmost examples manuals build_tests
.PHONY: allmost
allmost: lib lz4
@@ -75,6 +75,10 @@ examples: liblz4.a
manuals:
@$(MAKE) -C contrib/gen_manual $@
+.PHONY: build_tests
+build_tests:
+ @$(MAKE) -C $(TESTDIR) all
+
.PHONY: clean
clean:
@$(MAKE) -C $(LZ4DIR) $@ > $(VOID)
diff --git a/lib/lz4frame.c b/lib/lz4frame.c
index 2164470..f076204 100644
--- a/lib/lz4frame.c
+++ b/lib/lz4frame.c
@@ -1,41 +1,44 @@
/*
-LZ4 auto-framing library
-Copyright (C) 2011-2016, Yann Collet.
-
-BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
-* Redistributions of source code must retain the above copyright
-notice, this list of conditions and the following disclaimer.
-* Redistributions in binary form must reproduce the above
-copyright notice, this list of conditions and the following disclaimer
-in the documentation and/or other materials provided with the
-distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-You can contact the author at :
-- LZ4 homepage : http://www.lz4.org
-- LZ4 source repository : https://github.com/lz4/lz4
-*/
+ * LZ4 auto-framing library
+ * Copyright (C) 2011-2016, Yann Collet.
+ *
+ * BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * You can contact the author at :
+ * - LZ4 homepage : http://www.lz4.org
+ * - LZ4 source repository : https://github.com/lz4/lz4
+ */
/* LZ4F is a stand-alone API to create LZ4-compressed Frames
-* in full conformance with specification v1.6.1 .
-* This library rely upon memory management capabilities.
-* */
+ * in full conformance with specification v1.6.1 .
+ * This library rely upon memory management capabilities (malloc, free)
+ * provided either by <stdlib.h>,
+ * or redirected towards another library of user's choice
+ * (see Memory Routines below).
+ */
/*-************************************
@@ -62,20 +65,27 @@ You can contact the author at :
/*-************************************
* Memory routines
**************************************/
+/*
+ * User may redirect invocations of
+ * malloc(), calloc() and free()
+ * towards another library or solution of their choice
+ * by modifying below section.
+ */
#include <stdlib.h> /* malloc, calloc, free */
#define ALLOC(s) malloc(s)
-#ifndef LZ4_SRC_INCLUDED
-#define ALLOC_AND_ZERO(s) calloc(1,(s))
+#ifndef LZ4_SRC_INCLUDED /* avoid redefinition when sources are coalesced */
+# define ALLOC_AND_ZERO(s) calloc(1,(s))
#endif
#define FREEMEM(p) free(p)
+
#include <string.h> /* memset, memcpy, memmove */
-#ifndef LZ4_SRC_INCLUDED
-#define MEM_INIT memset
+#ifndef LZ4_SRC_INCLUDED /* avoid redefinition when sources are coalesced */
+# define MEM_INIT memset
#endif
/*-************************************
-* Includes
+* Library declarations
**************************************/
#define LZ4F_STATIC_LINKING_ONLY
#include "lz4frame.h"
@@ -606,11 +616,12 @@ size_t LZ4F_compressBegin_usingCDict(LZ4F_cctx* cctxPtr,
if (cctxPtr->lz4CtxAlloc < ctxTypeID) {
FREEMEM(cctxPtr->lz4CtxPtr);
if (cctxPtr->prefs.compressionLevel < LZ4HC_CLEVEL_MIN) {
- cctxPtr->lz4CtxPtr = (void*)LZ4_createStream();
+ cctxPtr->lz4CtxPtr = LZ4_createStream();
} else {
- cctxPtr->lz4CtxPtr = (void*)LZ4_createStreamHC();
+ cctxPtr->lz4CtxPtr = LZ4_createStreamHC();
}
- if (cctxPtr->lz4CtxPtr == NULL) return err0r(LZ4F_ERROR_allocation_failed);
+ if (cctxPtr->lz4CtxPtr == NULL)
+ return err0r(LZ4F_ERROR_allocation_failed);
cctxPtr->lz4CtxAlloc = ctxTypeID;
cctxPtr->lz4CtxState = ctxTypeID;
} else if (cctxPtr->lz4CtxState != ctxTypeID) {
@@ -619,7 +630,7 @@ size_t LZ4F_compressBegin_usingCDict(LZ4F_cctx* cctxPtr,
if (cctxPtr->prefs.compressionLevel < LZ4HC_CLEVEL_MIN) {
LZ4_resetStream((LZ4_stream_t *) cctxPtr->lz4CtxPtr);
} else {
- LZ4_resetStreamHC((LZ4_streamHC_t *) cctxPtr->lz4CtxPtr, cctxPtr->prefs.compressionLevel);
+ LZ4_initStreamHC((LZ4_streamHC_t *) cctxPtr->lz4CtxPtr, cctxPtr->prefs.compressionLevel);
}
cctxPtr->lz4CtxState = ctxTypeID;
}
@@ -1268,9 +1279,10 @@ static void LZ4F_updateDict(LZ4F_dctx* dctx,
return;
}
- if (dstPtr - dstBufferStart + dstSize >= 64 KB) { /* history in dstBuffer becomes large enough to become dictionary */
+ assert(dstPtr >= dstBufferStart);
+ if ((size_t)(dstPtr - dstBufferStart) + dstSize >= 64 KB) { /* history in dstBuffer becomes large enough to become dictionary */
dctx->dict = (const BYTE*)dstBufferStart;
- dctx->dictSize = dstPtr - dstBufferStart + dstSize;
+ dctx->dictSize = (size_t)(dstPtr - dstBufferStart) + dstSize;
return;
}
@@ -1286,7 +1298,7 @@ static void LZ4F_updateDict(LZ4F_dctx* dctx,
}
if (withinTmp) { /* copy relevant dict portion in front of tmpOut within tmpOutBuffer */
- size_t const preserveSize = dctx->tmpOut - dctx->tmpOutBuffer;
+ size_t const preserveSize = (size_t)(dctx->tmpOut - dctx->tmpOutBuffer);
size_t copySize = 64 KB - dctx->tmpOutSize;
const BYTE* const oldDictEnd = dctx->dict + dctx->dictSize - dctx->tmpOutStart;
if (dctx->tmpOutSize > 64 KB) copySize = 0;
@@ -1371,7 +1383,7 @@ size_t LZ4F_decompress(LZ4F_dctx* dctx,
case dstage_getFrameHeader:
if ((size_t)(srcEnd-srcPtr) >= maxFHSize) { /* enough to decode - shortcut */
- size_t const hSize = LZ4F_decodeHeader(dctx, srcPtr, srcEnd-srcPtr); /* will update dStage appropriately */
+ size_t const hSize = LZ4F_decodeHeader(dctx, srcPtr, (size_t)(srcEnd-srcPtr)); /* will update dStage appropriately */
if (LZ4F_isError(hSize)) return hSize;
srcPtr += hSize;
break;
@@ -1593,13 +1605,13 @@ size_t LZ4F_decompress(LZ4F_dctx* dctx,
dict, (int)dictSize);
if (decodedSize < 0) return err0r(LZ4F_ERROR_GENERIC); /* decompression failed */
if (dctx->frameInfo.contentChecksumFlag)
- XXH32_update(&(dctx->xxh), dstPtr, decodedSize);
+ XXH32_update(&(dctx->xxh), dstPtr, (size_t)decodedSize);
if (dctx->frameInfo.contentSize)
- dctx->frameRemainingSize -= decodedSize;
+ dctx->frameRemainingSize -= (size_t)decodedSize;
/* dictionary management */
if (dctx->frameInfo.blockMode==LZ4F_blockLinked)
- LZ4F_updateDict(dctx, dstPtr, decodedSize, dstStart, 0);
+ LZ4F_updateDict(dctx, dstPtr, (size_t)decodedSize, dstStart, 0);
dstPtr += decodedSize;
dctx->dStage = dstage_getBlockHeader;
@@ -1636,10 +1648,10 @@ size_t LZ4F_decompress(LZ4F_dctx* dctx,
if (decodedSize < 0) /* decompression failed */
return err0r(LZ4F_ERROR_decompressionFailed);
if (dctx->frameInfo.contentChecksumFlag)
- XXH32_update(&(dctx->xxh), dctx->tmpOut, decodedSize);
+ XXH32_update(&(dctx->xxh), dctx->tmpOut, (size_t)decodedSize);
if (dctx->frameInfo.contentSize)
- dctx->frameRemainingSize -= decodedSize;
- dctx->tmpOutSize = decodedSize;
+ dctx->frameRemainingSize -= (size_t)decodedSize;
+ dctx->tmpOutSize = (size_t)decodedSize;
dctx->tmpOutStart = 0;
dctx->dStage = dstage_flushOut;
}
@@ -1767,7 +1779,7 @@ size_t LZ4F_decompress(LZ4F_dctx* dctx,
&& ((unsigned)(dctx->dStage)-2 < (unsigned)(dstage_getSuffix)-2) ) /* valid stages : [init ... getSuffix[ */
{
if (dctx->dStage == dstage_flushOut) {
- size_t const preserveSize = dctx->tmpOut - dctx->tmpOutBuffer;
+ size_t const preserveSize = (size_t)(dctx->tmpOut - dctx->tmpOutBuffer);
size_t copySize = 64 KB - dctx->tmpOutSize;
const BYTE* oldDictEnd = dctx->dict + dctx->dictSize - dctx->tmpOutStart;
if (dctx->tmpOutSize > 64 KB) copySize = 0;
@@ -1791,8 +1803,8 @@ size_t LZ4F_decompress(LZ4F_dctx* dctx,
}
}
- *srcSizePtr = (srcPtr - srcStart);
- *dstSizePtr = (dstPtr - dstStart);
+ *srcSizePtr = (size_t)(srcPtr - srcStart);
+ *dstSizePtr = (size_t)(dstPtr - dstStart);
return nextSrcSizeHint;
}
diff --git a/lib/lz4hc.c b/lib/lz4hc.c
index 129bf0c..644b8eb 100644
--- a/lib/lz4hc.c
+++ b/lib/lz4hc.c
@@ -105,7 +105,7 @@ static void LZ4HC_clearTables (LZ4HC_CCtx_internal* hc4)
static void LZ4HC_init (LZ4HC_CCtx_internal* hc4, const BYTE* start)
{
- uptrval startingOffset = hc4->end - hc4->base;
+ uptrval startingOffset = (uptrval)(hc4->end - hc4->base);
if (startingOffset > 1 GB) {
LZ4HC_clearTables(hc4);
startingOffset = 0;
@@ -266,7 +266,7 @@ LZ4HC_InsertAndGetWiderMatch (
if (LZ4_read16(iLowLimit + longest - 1) == LZ4_read16(matchPtr - lookBackLength + longest - 1)) {
if (LZ4_read32(matchPtr) == pattern) {
int const back = lookBackLength ? LZ4HC_countBack(ip, matchPtr, iLowLimit, lowPrefixPtr) : 0;
- matchLength = MINMATCH + LZ4_count(ip+MINMATCH, matchPtr+MINMATCH, iHighLimit);
+ matchLength = MINMATCH + (int)LZ4_count(ip+MINMATCH, matchPtr+MINMATCH, iHighLimit);
matchLength -= back;
if (matchLength > longest) {
longest = matchLength;
@@ -280,7 +280,7 @@ LZ4HC_InsertAndGetWiderMatch (
int back = 0;
const BYTE* vLimit = ip + (dictLimit - matchIndex);
if (vLimit > iHighLimit) vLimit = iHighLimit;
- matchLength = LZ4_count(ip+MINMATCH, matchPtr+MINMATCH, vLimit) + MINMATCH;
+ matchLength = (int)LZ4_count(ip+MINMATCH, matchPtr+MINMATCH, vLimit) + MINMATCH;
if ((ip+matchLength == vLimit) && (vLimit < iHighLimit))
matchLength += LZ4_count(ip+matchLength, lowPrefixPtr, iHighLimit);
back = lookBackLength ? LZ4HC_countBack(ip, matchPtr, iLowLimit, dictStart) : 0;
@@ -293,11 +293,11 @@ LZ4HC_InsertAndGetWiderMatch (
if (chainSwap && matchLength==longest) { /* better match => select a better chain */
assert(lookBackLength==0); /* search forward only */
- if (matchIndex + longest <= ipIndex) {
+ if (matchIndex + (U32)longest <= ipIndex) {
U32 distanceToNextMatch = 1;
int pos;
for (pos = 0; pos <= longest - MINMATCH; pos++) {
- U32 const candidateDist = DELTANEXTU16(chainTable, matchIndex + pos);
+ U32 const candidateDist = DELTANEXTU16(chainTable, matchIndex + (U32)pos);
if (candidateDist > distanceToNextMatch) {
distanceToNextMatch = candidateDist;
matchChainPos = pos;
@@ -353,12 +353,14 @@ LZ4HC_InsertAndGetWiderMatch (
} } /* PA optimization */
/* follow current chain */
- matchIndex -= DELTANEXTU16(chainTable, matchIndex+matchChainPos);
+ matchIndex -= DELTANEXTU16(chainTable, matchIndex + matchChainPos);
} /* while ((matchIndex>=lowestMatchIndex) && (nbAttempts)) */
- if (dict == usingDictCtxHc && nbAttempts && ipIndex - lowestMatchIndex < MAX_DISTANCE) {
- size_t const dictEndOffset = dictCtx->end - dictCtx->base;
+ if ( dict == usingDictCtxHc
+ && nbAttempts
+ && ipIndex - lowestMatchIndex < MAX_DISTANCE) {
+ size_t const dictEndOffset = (size_t)(dictCtx->end - dictCtx->base);
U32 dictMatchIndex = dictCtx->hashTable[LZ4HC_hashPtr(ip)];
assert(dictEndOffset <= 1 GB);
matchIndex = dictMatchIndex + lowestMatchIndex - (U32)dictEndOffset;
@@ -370,22 +372,19 @@ LZ4HC_InsertAndGetWiderMatch (
int back = 0;
const BYTE* vLimit = ip + (dictEndOffset - dictMatchIndex);
if (vLimit > iHighLimit) vLimit = iHighLimit;
- mlt = LZ4_count(ip+MINMATCH, matchPtr+MINMATCH, vLimit) + MINMATCH;
+ mlt = (int)LZ4_count(ip+MINMATCH, matchPtr+MINMATCH, vLimit) + MINMATCH;
back = lookBackLength ? LZ4HC_countBack(ip, matchPtr, iLowLimit, dictCtx->base + dictCtx->dictLimit) : 0;
mlt -= back;
if (mlt > longest) {
longest = mlt;
*matchpos = base + matchIndex + back;
*startpos = ip + back;
- }
- }
+ } }
{ U32 const nextOffset = DELTANEXTU16(dictCtx->chainTable, dictMatchIndex);
dictMatchIndex -= nextOffset;
matchIndex -= nextOffset;
- }
- }
- }
+ } } }
return longest;
}
@@ -518,7 +517,7 @@ LZ4_FORCE_INLINE int LZ4HC_compress_hashChain (
/* Main Loop */
while (ip <= mflimit) {
- ml = LZ4HC_InsertAndFindBestMatch (ctx, ip, matchlimit, &ref, maxNbAttempts, patternAnalysis, dict);
+ ml = LZ4HC_InsertAndFindBestMatch(ctx, ip, matchlimit, &ref, maxNbAttempts, patternAnalysis, dict);
if (ml<MINMATCH) { ip++; continue; }
/* saved, in case we would skip too much */
@@ -768,29 +767,31 @@ LZ4_FORCE_INLINE int LZ4HC_compress_generic_internal (
static void LZ4HC_setExternalDict(LZ4HC_CCtx_internal* ctxPtr, const BYTE* newBlock);
-static int LZ4HC_compress_generic_noDictCtx (
- LZ4HC_CCtx_internal* const ctx,
- const char* const src,
- char* const dst,
- int* const srcSizePtr,
- int const dstCapacity,
- int cLevel,
- limitedOutput_directive limit
- )
+static int
+LZ4HC_compress_generic_noDictCtx (
+ LZ4HC_CCtx_internal* const ctx,
+ const char* const src,
+ char* const dst,
+ int* const srcSizePtr,
+ int const dstCapacity,
+ int cLevel,
+ limitedOutput_directive limit
+ )
{
assert(ctx->dictCtx == NULL);
return LZ4HC_compress_generic_internal(ctx, src, dst, srcSizePtr, dstCapacity, cLevel, limit, noDictCtx);
}
-static int LZ4HC_compress_generic_dictCtx (
- LZ4HC_CCtx_internal* const ctx,
- const char* const src,
- char* const dst,
- int* const srcSizePtr,
- int const dstCapacity,
- int cLevel,
- limitedOutput_directive limit
- )
+static int
+LZ4HC_compress_generic_dictCtx (
+ LZ4HC_CCtx_internal* const ctx,
+ const char* const src,
+ char* const dst,
+ int* const srcSizePtr,
+ int const dstCapacity,
+ int cLevel,
+ limitedOutput_directive limit
+ )
{
const size_t position = ctx->end - ctx->base - ctx->lowLimit;
assert(ctx->dictCtx != NULL);
@@ -807,15 +808,16 @@ static int LZ4HC_compress_generic_dictCtx (
}
}
-static int LZ4HC_compress_generic (
- LZ4HC_CCtx_internal* const ctx,
- const char* const src,
- char* const dst,
- int* const srcSizePtr,
- int const dstCapacity,
- int cLevel,
- limitedOutput_directive limit
- )
+static int
+LZ4HC_compress_generic (
+ LZ4HC_CCtx_internal* const ctx,
+ const char* const src,
+ char* const dst,
+ int* const srcSizePtr,
+ int const dstCapacity,
+ int cLevel,
+ limitedOutput_directive limit
+ )
{
if (ctx->dictCtx == NULL) {
return LZ4HC_compress_generic_noDictCtx(ctx, src, dst, srcSizePtr, dstCapacity, cLevel, limit);
@@ -842,7 +844,7 @@ int LZ4_compress_HC_extStateHC_fastReset (void* state, const char* src, char* ds
int LZ4_compress_HC_extStateHC (void* state, const char* src, char* dst, int srcSize, int dstCapacity, int compressionLevel)
{
if (((size_t)(state)&(sizeof(void*)-1)) != 0) return 0; /* Error : state is not aligned for pointers (32 or 64 bits) */
- LZ4_resetStreamHC ((LZ4_streamHC_t*)state, compressionLevel);
+ LZ4_initStreamHC (state, compressionLevel); /* full initialization, as there is no guarantee on state's content (could be freshly malloc'ed) */
return LZ4_compress_HC_extStateHC_fastReset(state, src, dst, srcSize, dstCapacity, compressionLevel);
}
@@ -861,12 +863,10 @@ int LZ4_compress_HC(const char* src, char* dst, int srcSize, int dstCapacity, in
return cSize;
}
-/* LZ4_compress_HC_destSize() :
- * only compatible with regular HC parser */
int LZ4_compress_HC_destSize(void* LZ4HC_Data, const char* source, char* dest, int* sourceSizePtr, int targetDestSize, int cLevel)
{
LZ4HC_CCtx_internal* const ctx = &((LZ4_streamHC_t*)LZ4HC_Data)->internal_donotuse;
- LZ4_resetStreamHC((LZ4_streamHC_t*)LZ4HC_Data, cLevel);
+ LZ4_initStreamHC(LZ4HC_Data, cLevel); /* full initialization, as there is no guarantee on state's content (could be freshly malloc'ed) */
LZ4HC_init(ctx, (const BYTE*) source);
return LZ4HC_compress_generic(ctx, source, dest, sourceSizePtr, targetDestSize, cLevel, limitedDestSize);
}
@@ -877,14 +877,16 @@ int LZ4_compress_HC_destSize(void* LZ4HC_Data, const char* source, char* dest, i
* Streaming Functions
**************************************/
/* allocation */
-LZ4_streamHC_t* LZ4_createStreamHC(void) {
+LZ4_streamHC_t* LZ4_createStreamHC(void)
+{
LZ4_streamHC_t* const LZ4_streamHCPtr = (LZ4_streamHC_t*)ALLOC(sizeof(LZ4_streamHC_t));
if (LZ4_streamHCPtr==NULL) return NULL;
- LZ4_resetStreamHC(LZ4_streamHCPtr, LZ4HC_CLEVEL_DEFAULT);
+ LZ4_initStreamHC(LZ4_streamHCPtr, LZ4HC_CLEVEL_DEFAULT); /* full initialization, malloc'ed buffer can be full of garbage */
return LZ4_streamHCPtr;
}
-int LZ4_freeStreamHC (LZ4_streamHC_t* LZ4_streamHCPtr) {
+int LZ4_freeStreamHC (LZ4_streamHC_t* LZ4_streamHCPtr)
+{
DEBUGLOG(4, "LZ4_freeStreamHC(%p)", LZ4_streamHCPtr);
if (!LZ4_streamHCPtr) return 0; /* support free on NULL */
free(LZ4_streamHCPtr);
@@ -893,9 +895,10 @@ int LZ4_freeStreamHC (LZ4_streamHC_t* LZ4_streamHCPtr) {
/* initialization */
-void LZ4_resetStreamHC (LZ4_streamHC_t* LZ4_streamHCPtr, int compressionLevel)
+void LZ4_initStreamHC (void* state, int compressionLevel)
{
- LZ4_STATIC_ASSERT(sizeof(LZ4HC_CCtx_internal) <= sizeof(size_t) * LZ4_STREAMHCSIZE_SIZET); /* if compilation fails here, LZ4_STREAMHCSIZE must be increased */
+ LZ4_streamHC_t* const LZ4_streamHCPtr = (LZ4_streamHC_t*)state;
+ LZ4_STATIC_ASSERT(sizeof(LZ4HC_CCtx_internal) <= LZ4_STREAMHCSIZE); /* if compilation fails here, LZ4_STREAMHCSIZE must be increased */
DEBUGLOG(4, "LZ4_resetStreamHC(%p, %d)", LZ4_streamHCPtr, compressionLevel);
LZ4_streamHCPtr->internal_donotuse.end = (const BYTE *)(ptrdiff_t)-1;
LZ4_streamHCPtr->internal_donotuse.base = NULL;
@@ -905,11 +908,17 @@ void LZ4_resetStreamHC (LZ4_streamHC_t* LZ4_streamHCPtr, int compressionLevel)
LZ4_setCompressionLevel(LZ4_streamHCPtr, compressionLevel);
}
+/* just a stub */
+void LZ4_resetStreamHC (LZ4_streamHC_t* LZ4_streamHCPtr, int compressionLevel)
+{
+ return LZ4_initStreamHC(LZ4_streamHCPtr, compressionLevel);
+}
+
void LZ4_resetStreamHC_fast (LZ4_streamHC_t* LZ4_streamHCPtr, int compressionLevel)
{
DEBUGLOG(4, "LZ4_resetStreamHC_fast(%p, %d)", LZ4_streamHCPtr, compressionLevel);
if (LZ4_streamHCPtr->internal_donotuse.dirty) {
- LZ4_resetStreamHC(LZ4_streamHCPtr, compressionLevel);
+ LZ4_initStreamHC(LZ4_streamHCPtr, compressionLevel);
} else {
LZ4_streamHCPtr->internal_donotuse.end -= (uptrval)LZ4_streamHCPtr->internal_donotuse.base;
LZ4_streamHCPtr->internal_donotuse.base = NULL;
@@ -938,7 +947,7 @@ int LZ4_loadDictHC (LZ4_streamHC_t* LZ4_streamHCPtr, const char* dictionary, int
dictionary += dictSize - 64 KB;
dictSize = 64 KB;
}
- LZ4_resetStreamHC(LZ4_streamHCPtr, ctxPtr->compressionLevel);
+ LZ4_initStreamHC(LZ4_streamHCPtr, ctxPtr->compressionLevel);
LZ4HC_init (ctxPtr, (const BYTE*)dictionary);
ctxPtr->end = (const BYTE*)dictionary + dictSize;
if (dictSize >= 4) LZ4HC_Insert (ctxPtr, ctxPtr->end-3);
@@ -1029,8 +1038,8 @@ int LZ4_saveDictHC (LZ4_streamHC_t* LZ4_streamHCPtr, char* safeBuffer, int dictS
{ U32 const endIndex = (U32)(streamPtr->end - streamPtr->base);
streamPtr->end = (const BYTE*)safeBuffer + dictSize;
streamPtr->base = streamPtr->end - endIndex;
- streamPtr->dictLimit = endIndex - dictSize;
- streamPtr->lowLimit = endIndex - dictSize;
+ streamPtr->dictLimit = endIndex - (U32)dictSize;
+ streamPtr->lowLimit = endIndex - (U32)dictSize;
if (streamPtr->nextToUpdate < streamPtr->dictLimit) streamPtr->nextToUpdate = streamPtr->dictLimit;
}
return dictSize;
@@ -1061,7 +1070,7 @@ int LZ4_resetStreamStateHC(void* state, char* inputBuffer)
{
LZ4HC_CCtx_internal *ctx = &((LZ4_streamHC_t*)state)->internal_donotuse;
if ((((size_t)state) & (sizeof(void*)-1)) != 0) return 1; /* Error : pointer is not aligned for pointer (32 or 64 bits) */
- LZ4_resetStreamHC((LZ4_streamHC_t*)state, ((LZ4_streamHC_t*)state)->internal_donotuse.compressionLevel);
+ LZ4_initStreamHC((LZ4_streamHC_t*)state, ((LZ4_streamHC_t*)state)->internal_donotuse.compressionLevel);
LZ4HC_init(ctx, (const BYTE*)inputBuffer);
return 0;
}
@@ -1070,7 +1079,7 @@ void* LZ4_createHC (const char* inputBuffer)
{
LZ4_streamHC_t* hc4 = (LZ4_streamHC_t*)ALLOC(sizeof(LZ4_streamHC_t));
if (hc4 == NULL) return NULL; /* not enough memory */
- LZ4_resetStreamHC(hc4, 0 /* compressionLevel */);
+ LZ4_initStreamHC(hc4, 0 /* compressionLevel */);
LZ4HC_init (&hc4->internal_donotuse, (const BYTE*)inputBuffer);
return hc4;
}
@@ -1102,7 +1111,7 @@ char* LZ4_slideInputBufferHC(void* LZ4HC_Data)
/* ================================================
- * LZ4 Optimal parser (levels 10-12)
+ * LZ4 Optimal parser (levels [LZ4HC_CLEVEL_OPT_MIN - LZ4HC_CLEVEL_MAX])
* ===============================================*/
typedef struct {
int price;
@@ -1115,8 +1124,9 @@ typedef struct {
LZ4_FORCE_INLINE int LZ4HC_literalsPrice(int const litlen)
{
int price = litlen;
+ assert(litlen >= 0);
if (litlen >= (int)RUN_MASK)
- price += 1 + (litlen-RUN_MASK)/255;
+ price += 1 + ((litlen-(int)RUN_MASK) / 255);
return price;
}
@@ -1125,11 +1135,13 @@ LZ4_FORCE_INLINE int LZ4HC_literalsPrice(int const litlen)
LZ4_FORCE_INLINE int LZ4HC_sequencePrice(int litlen, int mlen)
{
int price = 1 + 2 ; /* token + 16-bit offset */
+ assert(litlen >= 0);
+ assert(mlen >= MINMATCH);
price += LZ4HC_literalsPrice(litlen);
if (mlen >= (int)(ML_MASK+MINMATCH))
- price += 1 + (mlen-(ML_MASK+MINMATCH))/255;
+ price += 1 + ((mlen-(int)(ML_MASK+MINMATCH)) / 255);
return price;
}
diff --git a/lib/lz4hc.h b/lib/lz4hc.h
index d1772f3..91b14ee 100644
--- a/lib/lz4hc.h
+++ b/lib/lz4hc.h
@@ -84,9 +84,9 @@ LZ4LIB_API int LZ4_compress_HC_extStateHC(void* stateHC, const char* src, char*
* Will compress as much data as possible from `src`
* to fit into `targetDstSize` budget.
* Result is provided in 2 parts :
- * @return : the number of bytes written into 'dst'
+ * @return : the number of bytes written into 'dst' (necessarily <= targetDstSize)
* or 0 if compression fails.
- * `srcSizePtr` : value will be updated to indicate how much bytes were read from `src`
+ * `srcSizePtr` : on success, *srcSizePtr is updated to indicate how much bytes were read from `src`
*/
LZ4LIB_API int LZ4_compress_HC_destSize(void* stateHC,
const char* src, char* dst,
@@ -103,8 +103,8 @@ LZ4LIB_API int LZ4_compress_HC_destSize(void* stateHC,
/*! LZ4_createStreamHC() and LZ4_freeStreamHC() :
* These functions create and release memory for LZ4 HC streaming state.
* Newly created states are automatically initialized.
- * Existing states can be re-used several times, using LZ4_resetStreamHC().
- * These methods are API and ABI stable, they can be used in combination with a DLL.
+ * A same state can be used multiple times consecutively,
+ * starting with LZ4_resetStreamHC_fast() to start a new stream of blocks.
*/
LZ4LIB_API LZ4_streamHC_t* LZ4_createStreamHC(void);
LZ4LIB_API int LZ4_freeStreamHC (LZ4_streamHC_t* streamHCPtr);
@@ -121,35 +121,38 @@ LZ4LIB_API int LZ4_freeStreamHC (LZ4_streamHC_t* streamHCPtr);
Selecting the compression level can be done with LZ4_resetStreamHC_fast() (starts a new stream)
or LZ4_setCompressionLevel() (anytime, between blocks in the same stream) (experimental).
- LZ4_resetStreamHC_fast() only works on states which have been properly initialized at least once.
-
- If state space is provided manually with no guarantee of its content, for example allocated on stack,
- it must be fully initialized, using LZ4_resetStreamHC().
- LZ4_resetStreamHC() is heavier, and it's guaranteed to succeed on any valid memory segment.
- In contrast, LZ4_resetStreamHC_fast() only works on states which have been properly initialized at least once.
+ LZ4_resetStreamHC_fast() only works on states which have been properly initialized at least once,
+ which is automatically the case when state is created using LZ4_createStreamHC().
After reset, a first "fictional block" can be designated as initial dictionary,
using LZ4_loadDictHC() (Optional).
Invoke LZ4_compress_HC_continue() to compress each successive block.
The number of blocks is unlimited.
- Previous input blocks (including initial dictionary when present) must remain accessible and unmodified during compression.
+ Previous input blocks, including initial dictionary when present,
+ must remain accessible and unmodified during compression.
+
+ It's allowed to update compression level anytime between blocks,
+ using LZ4_setCompressionLevel() (experimental).
- 'dst' buffer should be sized to handle worst case scenarios (see LZ4_compressBound()), ensuring compression success.
- In case of failure, the API does not guarantee recovery, so the state _must_ be reset.
- Whenever `dst` buffer size cannot be made >= LZ4_compressBound(),
- consider using LZ4_compress_HC_continue_destSize() to ensure success.
+ 'dst' buffer should be sized to handle worst case scenarios
+ (see LZ4_compressBound(), it ensures compression success).
+ In case of failure, the API does not guarantee recovery,
+ so the state _must_ be reset.
+ To ensure compression success
+ whenever `dst` buffer size cannot be made >= LZ4_compressBound(),
+ consider using LZ4_compress_HC_continue_destSize().
Whenever previous input blocks can't be preserved unmodified in-place during compression of next blocks,
it's possible to copy the last blocks into a more stable memory space, using LZ4_saveDictHC().
Return value of LZ4_saveDictHC() is the size of dictionary effectively saved into 'safeBuffer' (<= 64 KB)
After completing a streaming compression,
- it's possible to start a new stream of blocks, and re-use the same LZ4_streamHC_t state
- by resetting it, using LZ4_resetStreamHC_fast().
+ it's possible to start a new stream of blocks, using the same LZ4_streamHC_t state,
+ just by resetting it, using LZ4_resetStreamHC_fast().
*/
-LZ4LIB_API void LZ4_resetStreamHC (LZ4_streamHC_t* streamHCPtr, int compressionLevel);
+LZ4LIB_API void LZ4_resetStreamHC_fast(LZ4_streamHC_t* streamHCPtr, int compressionLevel);
LZ4LIB_API int LZ4_loadDictHC (LZ4_streamHC_t* streamHCPtr, const char* dictionary, int dictSize);
LZ4LIB_API int LZ4_compress_HC_continue (LZ4_streamHC_t* streamHCPtr,
@@ -239,22 +242,31 @@ struct LZ4HC_CCtx_internal
#endif
-/* do not use these definitions directly.
- * allocate an LZ4_streamHC_t instead. */
+/* Do not use these definitions directly !
+ * Declare or allocate an LZ4_streamHC_t instead.
+ */
#define LZ4_STREAMHCSIZE (4*LZ4HC_HASHTABLESIZE + 2*LZ4HC_MAXD + 56 + ((sizeof(void*)==16) ? 56 : 0) /* AS400*/ ) /* 262200 or 262256*/
#define LZ4_STREAMHCSIZE_SIZET (LZ4_STREAMHCSIZE / sizeof(size_t))
union LZ4_streamHC_u {
size_t table[LZ4_STREAMHCSIZE_SIZET];
LZ4HC_CCtx_internal internal_donotuse;
}; /* previously typedef'd to LZ4_streamHC_t */
+
/* LZ4_streamHC_t :
* This structure allows static allocation of LZ4 HC streaming state.
- * State must be initialized using LZ4_resetStreamHC() before first use.
+ * This can be used to allocate statically, on state, or as part of a larger structure.
+ *
+ * Such state **must** be initialized using LZ4_initStreamHC() before first use.
+ *
+ * Note that invoking LZ4_initStreamHC() is not required when
+ * the state was created using LZ4_createStreamHC() (which is recommended).
+ * Using the normal builder, a newly created state is automatically initialized.
*
* Static allocation shall only be used in combination with static linking.
- * When invoking LZ4 from a DLL, use create/free functions instead, which are API and ABI stable.
*/
+LZ4LIB_API void LZ4_initStreamHC (void* streamHCPtr, int compressionLevel);
+
/*-************************************
* Deprecated Functions
@@ -264,11 +276,11 @@ union LZ4_streamHC_u {
/* deprecated compression functions */
LZ4_DEPRECATED("use LZ4_compress_HC() instead") LZ4LIB_API int LZ4_compressHC (const char* source, char* dest, int inputSize);
LZ4_DEPRECATED("use LZ4_compress_HC() instead") LZ4LIB_API int LZ4_compressHC_limitedOutput (const char* source, char* dest, int inputSize, int maxOutputSize);
-LZ4_DEPRECATED("use LZ4_compress_HC() instead") LZ4LIB_API int LZ4_compressHC2 (const char* source, char* dest, int inputSize, int compressionLevel);
-LZ4_DEPRECATED("use LZ4_compress_HC() instead") LZ4LIB_API int LZ4_compressHC2_limitedOutput (const char* source, char* dest, int inputSize, int maxOutputSize, int compressionLevel);
+LZ4_DEPRECATED("use LZ4_compress_HC() instead") LZ4LIB_API int LZ4_compressHC2 (const char* source, char* dest, int inputSize, int compressionLevel);
+LZ4_DEPRECATED("use LZ4_compress_HC() instead") LZ4LIB_API int LZ4_compressHC2_limitedOutput(const char* source, char* dest, int inputSize, int maxOutputSize, int compressionLevel);
LZ4_DEPRECATED("use LZ4_compress_HC_extStateHC() instead") LZ4LIB_API int LZ4_compressHC_withStateHC (void* state, const char* source, char* dest, int inputSize);
LZ4_DEPRECATED("use LZ4_compress_HC_extStateHC() instead") LZ4LIB_API int LZ4_compressHC_limitedOutput_withStateHC (void* state, const char* source, char* dest, int inputSize, int maxOutputSize);
-LZ4_DEPRECATED("use LZ4_compress_HC_extStateHC() instead") LZ4LIB_API int LZ4_compressHC2_withStateHC (void* state, const char* source, char* dest, int inputSize, int compressionLevel);
+LZ4_DEPRECATED("use LZ4_compress_HC_extStateHC() instead") LZ4LIB_API int LZ4_compressHC2_withStateHC (void* state, const char* source, char* dest, int inputSize, int compressionLevel);
LZ4_DEPRECATED("use LZ4_compress_HC_extStateHC() instead") LZ4LIB_API int LZ4_compressHC2_limitedOutput_withStateHC(void* state, const char* source, char* dest, int inputSize, int maxOutputSize, int compressionLevel);
LZ4_DEPRECATED("use LZ4_compress_HC_continue() instead") LZ4LIB_API int LZ4_compressHC_continue (LZ4_streamHC_t* LZ4_streamHCPtr, const char* source, char* dest, int inputSize);
LZ4_DEPRECATED("use LZ4_compress_HC_continue() instead") LZ4LIB_API int LZ4_compressHC_limitedOutput_continue (LZ4_streamHC_t* LZ4_streamHCPtr, const char* source, char* dest, int inputSize, int maxOutputSize);
@@ -284,12 +296,23 @@ LZ4_DEPRECATED("use LZ4_compress_HC_continue() instead") LZ4LIB_API int LZ4_comp
LZ4_DEPRECATED("use LZ4_createStreamHC() instead") LZ4LIB_API void* LZ4_createHC (const char* inputBuffer);
LZ4_DEPRECATED("use LZ4_saveDictHC() instead") LZ4LIB_API char* LZ4_slideInputBufferHC (void* LZ4HC_Data);
LZ4_DEPRECATED("use LZ4_freeStreamHC() instead") LZ4LIB_API int LZ4_freeHC (void* LZ4HC_Data);
-LZ4_DEPRECATED("use LZ4_compress_HC_continue() instead") LZ4LIB_API int LZ4_compressHC2_continue (void* LZ4HC_Data, const char* source, char* dest, int inputSize, int compressionLevel);
+LZ4_DEPRECATED("use LZ4_compress_HC_continue() instead") LZ4LIB_API int LZ4_compressHC2_continue (void* LZ4HC_Data, const char* source, char* dest, int inputSize, int compressionLevel);
LZ4_DEPRECATED("use LZ4_compress_HC_continue() instead") LZ4LIB_API int LZ4_compressHC2_limitedOutput_continue (void* LZ4HC_Data, const char* source, char* dest, int inputSize, int maxOutputSize, int compressionLevel);
LZ4_DEPRECATED("use LZ4_createStreamHC() instead") LZ4LIB_API int LZ4_sizeofStreamStateHC(void);
LZ4_DEPRECATED("use LZ4_resetStreamHC() instead") LZ4LIB_API int LZ4_resetStreamStateHC(void* state, char* inputBuffer);
+/* LZ4_resetStreamHC() is now replaced by LZ4_initStreamHC().
+ * The intention is to emphasize the difference with LZ4_resetStreamHC_fast(),
+ * which is now the recommended function to start a new stream of blocks,
+ * but cannot be used to initialize a memory segment containing arbitrary garbage data.
+ *
+ * It is recommended to switch to LZ4_initStreamHC().
+ * LZ4_resetStreamHC() will generate deprecation warnings in a future version.
+ */
+LZ4LIB_API void LZ4_resetStreamHC (LZ4_streamHC_t* streamHCPtr, int compressionLevel);
+
+
#if defined (__cplusplus)
}
#endif
diff --git a/tests/fullbench.c b/tests/fullbench.c
index e08947d..faa50cb 100644
--- a/tests/fullbench.c
+++ b/tests/fullbench.c
@@ -243,7 +243,7 @@ static int local_LZ4_compress_forceDict(const char* in, char* out, int inSize)
LZ4_streamHC_t LZ4_streamHC;
static void local_LZ4_resetStreamHC(void)
{
- LZ4_resetStreamHC(&LZ4_streamHC, 0);
+ LZ4_initStreamHC(&LZ4_streamHC, 0);
}
static int local_LZ4_saveDictHC(const char* in, char* out, int inSize)
@@ -327,16 +327,19 @@ static int local_LZ4_decompress_safe_partial(const char* in, char* out, int inSi
/* frame functions */
static int local_LZ4F_compressFrame(const char* in, char* out, int inSize)
{
- return (int)LZ4F_compressFrame(out, LZ4F_compressFrameBound(inSize, NULL), in, inSize, NULL);
+ assert(inSize >= 0);
+ return (int)LZ4F_compressFrame(out, LZ4F_compressFrameBound((size_t)inSize, NULL), in, (size_t)inSize, NULL);
}
static LZ4F_decompressionContext_t g_dCtx;
static int local_LZ4F_decompress(const char* in, char* out, int inSize, int outSize)
{
- size_t srcSize = inSize;
- size_t dstSize = outSize;
+ size_t srcSize = (size_t)inSize;
+ size_t dstSize = (size_t)outSize;
size_t result;
+ assert(inSize >= 0);
+ assert(outSize >= 0);
result = LZ4F_decompress(g_dCtx, out, &dstSize, in, &srcSize, NULL);
if (result!=0) { DISPLAY("Error decompressing frame : unfinished frame\n"); exit(8); }
if (srcSize != (size_t)inSize) { DISPLAY("Error decompressing frame : read size incorrect\n"); exit(9); }
@@ -439,7 +442,7 @@ int fullSpeedBench(const char** fileNamesTable, int nbFiles)
char* out = compressed_buff;
nbChunks = (int) (((int)benchedSize + (g_chunkSize-1))/ g_chunkSize);
for (i=0; i<nbChunks; i++) {
- chunkP[i].id = i;
+ chunkP[i].id = (U32)i;
chunkP[i].origBuffer = in; in += g_chunkSize;
if ((int)remaining > g_chunkSize) { chunkP[i].origSize = g_chunkSize; remaining -= g_chunkSize; } else { chunkP[i].origSize = (int)remaining; remaining = 0; }
chunkP[i].compressedBuffer = out; out += maxCompressedChunkSize;
@@ -611,7 +614,7 @@ int fullSpeedBench(const char** fileNamesTable, int nbFiles)
PROGRESS("%2i-%-34.34s :%10i -> %7.1f MB/s\r", loopNb, dName, (int)benchedSize, (double)benchedSize / bestTime / 1000000);
/* CRC Checking */
- crcDecoded = XXH32(orig_buff, (int)benchedSize, 0);
+ crcDecoded = XXH32(orig_buff, benchedSize, 0);
if (checkResult && (crcOriginal!=crcDecoded)) {
DISPLAY("\n!!! WARNING !!! %14s : Invalid Checksum : %x != %x\n",
inFileName, (unsigned)crcOriginal, (unsigned)crcDecoded);
diff --git a/tests/fuzzer.c b/tests/fuzzer.c
index 69c763b..6ebbf20 100644
--- a/tests/fuzzer.c
+++ b/tests/fuzzer.c
@@ -309,13 +309,13 @@ static int FUZ_test(U32 seed, U32 nbCycles, const U32 startCycle, const double c
unsigned long long hcbytes = 0;
unsigned long long ccbytes = 0;
void* const CNBuffer = malloc(COMPRESSIBLE_NOISE_LENGTH);
- size_t const compressedBufferSize = LZ4_compressBound(FUZ_MAX_BLOCK_SIZE);
+ size_t const compressedBufferSize = (size_t)LZ4_compressBound(FUZ_MAX_BLOCK_SIZE);
char* const compressedBuffer = (char*)malloc(compressedBufferSize);
char* const decodedBuffer = (char*)malloc(FUZ_MAX_DICT_SIZE + FUZ_MAX_BLOCK_SIZE);
size_t const labSize = 96 KB;
void* const lowAddrBuffer = FUZ_createLowAddr(labSize);
- void* const stateLZ4 = malloc(LZ4_sizeofState());
- void* const stateLZ4HC = malloc(LZ4_sizeofStateHC());
+ void* const stateLZ4 = malloc((size_t)LZ4_sizeofState());
+ void* const stateLZ4HC = malloc((size_t)LZ4_sizeofStateHC());
LZ4_stream_t LZ4dict;
LZ4_streamHC_t LZ4dictHC;
U32 coreRandState = seed;
@@ -370,7 +370,7 @@ static int FUZ_test(U32 seed, U32 nbCycles, const U32 startCycle, const double c
const char* dict = block - dictSize;
int compressedSize, HCcompressedSize;
int blockContinueCompressedSize;
- U32 const crcOrig = XXH32(block, blockSize, 0);
+ U32 const crcOrig = XXH32(block, (size_t)blockSize, 0);
int ret;
FUZ_displayUpdate(cycleNb);
@@ -395,7 +395,7 @@ static int FUZ_test(U32 seed, U32 nbCycles, const U32 startCycle, const double c
DISPLAYLEVEL(5, "destSize : %7i/%7i; content%7i/%7i ", ret, targetSize, srcSize, blockSize);
if (targetSize>0) {
/* check correctness */
- U32 const crcBase = XXH32(block, srcSize, 0);
+ U32 const crcBase = XXH32(block, (size_t)srcSize, 0);
char const canary = FUZ_rand(&randState) & 255;
FUZ_CHECKTEST((ret==0), "LZ4_compress_destSize() compression failed");
FUZ_DISPLAYTEST();
@@ -430,7 +430,7 @@ static int FUZ_test(U32 seed, U32 nbCycles, const U32 startCycle, const double c
FUZ_CHECKTEST(srcSize > blockSize, "LZ4_compress_HC_destSize() fed more than src buffer !");
if (targetSize>0) {
/* check correctness */
- U32 const crcBase = XXH32(block, srcSize, 0);
+ U32 const crcBase = XXH32(block, (size_t)srcSize, 0);
char const canary = FUZ_rand(&randState) & 255;
FUZ_CHECKTEST((ret==0), "LZ4_compress_HC_destSize() compression failed");
FUZ_DISPLAYTEST();
@@ -547,7 +547,7 @@ static int FUZ_test(U32 seed, U32 nbCycles, const U32 startCycle, const double c
FUZ_CHECKTEST(ret<0, "LZ4_decompress_safe failed despite amply sufficient space");
FUZ_CHECKTEST(ret!=blockSize, "LZ4_decompress_safe did not regenerate original data");
FUZ_CHECKTEST(decodedBuffer[blockSize+1], "LZ4_decompress_safe overrun specified output buffer size");
- { U32 const crcCheck = XXH32(decodedBuffer, blockSize, 0);
+ { U32 const crcCheck = XXH32(decodedBuffer, (size_t)blockSize, 0);
FUZ_CHECKTEST(crcCheck!=crcOrig, "LZ4_decompress_safe corrupted decoded data");
}
@@ -582,7 +582,7 @@ static int FUZ_test(U32 seed, U32 nbCycles, const U32 startCycle, const double c
/* Test partial decoding => must work */
FUZ_DISPLAYTEST("test LZ4_decompress_safe_partial");
{ size_t const missingBytes = FUZ_rand(&randState) % blockSize;
- int const targetSize = (int)(blockSize - missingBytes);
+ int const targetSize = (int)((size_t)blockSize - missingBytes);
char const sentinel = decodedBuffer[targetSize] = block[targetSize] ^ 0x5A;
int const decResult = LZ4_decompress_safe_partial(compressedBuffer, decodedBuffer, compressedSize, targetSize, blockSize);
FUZ_CHECKTEST(decResult<0, "LZ4_decompress_safe_partial failed despite valid input data (error:%i)", decResult);
@@ -653,7 +653,7 @@ static int FUZ_test(U32 seed, U32 nbCycles, const U32 startCycle, const double c
memcpy(decodedBuffer, dict, dictSize);
ret = LZ4_decompress_fast_usingDict(compressedBuffer, decodedBuffer+dictSize, blockSize, decodedBuffer, dictSize);
FUZ_CHECKTEST(ret!=blockContinueCompressedSize, "LZ4_decompress_fast_usingDict did not read all compressed block input");
- { U32 const crcCheck = XXH32(decodedBuffer+dictSize, blockSize, 0);
+ { U32 const crcCheck = XXH32(decodedBuffer+dictSize, (size_t)blockSize, 0);
if (crcCheck!=crcOrig) FUZ_findDiff(block, decodedBuffer);
FUZ_CHECKTEST(crcCheck!=crcOrig, "LZ4_decompress_fast_usingDict corrupted decoded data (dict %i)", dictSize);
}
@@ -661,7 +661,7 @@ static int FUZ_test(U32 seed, U32 nbCycles, const U32 startCycle, const double c
FUZ_DISPLAYTEST("test LZ4_decompress_safe_usingDict()");
ret = LZ4_decompress_safe_usingDict(compressedBuffer, decodedBuffer+dictSize, blockContinueCompressedSize, blockSize, decodedBuffer, dictSize);
FUZ_CHECKTEST(ret!=blockSize, "LZ4_decompress_safe_usingDict did not regenerate original data");
- { U32 const crcCheck = XXH32(decodedBuffer+dictSize, blockSize, 0);
+ { U32 const crcCheck = XXH32(decodedBuffer+dictSize, (size_t)blockSize, 0);
FUZ_CHECKTEST(crcCheck!=crcOrig, "LZ4_decompress_safe_usingDict corrupted decoded data");
}
@@ -830,7 +830,7 @@ static int FUZ_test(U32 seed, U32 nbCycles, const U32 startCycle, const double c
FUZ_DISPLAYTEST("LZ4_compress_HC_continue with an external dictionary");
dict -= (FUZ_rand(&randState) & 7); /* even bigger separation */
if (dict < (char*)CNBuffer) dict = (char*)CNBuffer;
- LZ4_resetStreamHC (&LZ4dictHC, compressionLevel);
+ LZ4_initStreamHC (&LZ4dictHC, compressionLevel);
LZ4_loadDictHC(&LZ4dictHC, dict, dictSize);
LZ4_setCompressionLevel(&LZ4dictHC, compressionLevel-1);
blockContinueCompressedSize = LZ4_compress_HC_continue(&LZ4dictHC, block, compressedBuffer, blockSize, (int)compressedBufferSize);
@@ -855,7 +855,7 @@ static int FUZ_test(U32 seed, U32 nbCycles, const U32 startCycle, const double c
ret = LZ4_decompress_safe_usingDict(compressedBuffer, decodedBuffer, blockContinueCompressedSize, blockSize, dict, dictSize);
FUZ_CHECKTEST(ret!=blockSize, "LZ4_decompress_safe_usingDict did not regenerate original data");
FUZ_CHECKTEST(decodedBuffer[blockSize], "LZ4_decompress_safe_usingDict overrun specified output buffer size");
- { U32 const crcCheck = XXH32(decodedBuffer, blockSize, 0);
+ { U32 const crcCheck = XXH32(decodedBuffer, (size_t)blockSize, 0);
if (crcCheck!=crcOrig) FUZ_findDiff(block, decodedBuffer);
FUZ_CHECKTEST(crcCheck!=crcOrig, "LZ4_decompress_safe_usingDict corrupted decoded data");
}
@@ -865,9 +865,9 @@ static int FUZ_test(U32 seed, U32 nbCycles, const U32 startCycle, const double c
{
LZ4_streamHC_t LZ4_streamHC;
- LZ4_resetStreamHC (&LZ4dictHC, compressionLevel);
+ LZ4_initStreamHC (&LZ4dictHC, compressionLevel);
LZ4_loadDictHC(&LZ4dictHC, dict, dictSize);
- LZ4_resetStreamHC (&LZ4_streamHC, compressionLevel);
+ LZ4_initStreamHC (&LZ4_streamHC, compressionLevel);
LZ4_attach_HC_dictionary(&LZ4_streamHC, &LZ4dictHC);
blockContinueCompressedSize = LZ4_compress_HC_continue(&LZ4_streamHC, block, compressedBuffer, blockSize, (int)compressedBufferSize);
FUZ_CHECKTEST(blockContinueCompressedSize==0, "LZ4_compress_HC_continue with ExtDictCtx failed");
@@ -901,7 +901,7 @@ static int FUZ_test(U32 seed, U32 nbCycles, const U32 startCycle, const double c
ret = LZ4_decompress_safe_usingDict(compressedBuffer, decodedBuffer, blockContinueCompressedSize, blockSize, dict, dictSize);
FUZ_CHECKTEST(ret!=blockSize, "LZ4_decompress_safe_usingDict did not regenerate original data");
FUZ_CHECKTEST(decodedBuffer[blockSize], "LZ4_decompress_safe_usingDict overrun specified output buffer size");
- { U32 const crcCheck = XXH32(decodedBuffer, blockSize, 0);
+ { U32 const crcCheck = XXH32(decodedBuffer, (size_t)blockSize, 0);
if (crcCheck!=crcOrig) FUZ_findDiff(block, decodedBuffer);
FUZ_CHECKTEST(crcCheck!=crcOrig, "LZ4_decompress_safe_usingDict corrupted decoded data");
}
@@ -912,7 +912,7 @@ static int FUZ_test(U32 seed, U32 nbCycles, const U32 startCycle, const double c
{ int const availableSpace = (FUZ_rand(&randState) % blockSize) + 5;
int consumedSize = blockSize;
FUZ_DISPLAYTEST();
- LZ4_resetStreamHC (&LZ4dictHC, compressionLevel);
+ LZ4_initStreamHC (&LZ4dictHC, compressionLevel);
LZ4_loadDictHC(&LZ4dictHC, dict, dictSize);
blockContinueCompressedSize = LZ4_compress_HC_continue_destSize(&LZ4dictHC, block, compressedBuffer, &consumedSize, availableSpace);
DISPLAYLEVEL(5, " LZ4_compress_HC_continue_destSize : compressed %6i/%6i into %6i/%6i at cLevel=%i\n", consumedSize, blockSize, blockContinueCompressedSize, availableSpace, compressionLevel);
@@ -925,8 +925,8 @@ static int FUZ_test(U32 seed, U32 nbCycles, const U32 startCycle, const double c
ret = LZ4_decompress_safe_usingDict(compressedBuffer, decodedBuffer, blockContinueCompressedSize, consumedSize, dict, dictSize);
FUZ_CHECKTEST(ret!=consumedSize, "LZ4_decompress_safe_usingDict did not regenerate original data");
FUZ_CHECKTEST(decodedBuffer[consumedSize], "LZ4_decompress_safe_usingDict overrun specified output buffer size")
- { U32 const crcSrc = XXH32(block, consumedSize, 0);
- U32 const crcDst = XXH32(decodedBuffer, consumedSize, 0);
+ { U32 const crcSrc = XXH32(block, (size_t)consumedSize, 0);
+ U32 const crcDst = XXH32(decodedBuffer, (size_t)consumedSize, 0);
if (crcSrc!=crcDst) FUZ_findDiff(block, decodedBuffer);
FUZ_CHECKTEST(crcSrc!=crcDst, "LZ4_decompress_safe_usingDict corrupted decoded data");
}
@@ -1080,7 +1080,7 @@ static void FUZ_unitTests(int compressionLevel)
/* simple HC compression test */
DISPLAYLEVEL(3, " Simple HC round-trip : ");
{ U64 const crc64 = XXH64(testInput, testCompressedSize, 0);
- LZ4_resetStreamHC(&sHC, compressionLevel);
+ LZ4_initStreamHC(&sHC, compressionLevel);
result = LZ4_compress_HC_continue(&sHC, testInput, testCompressed, testCompressedSize, testCompressedSize-1);
FUZ_CHECKTEST(result==0, "LZ4_compressHC_limitedOutput_continue() compression failed");
FUZ_CHECKTEST(sHC.internal_donotuse.dirty, "Context should be clean");
@@ -1105,7 +1105,7 @@ static void FUZ_unitTests(int compressionLevel)
memset(block, 0, blockSize);
((char*)dstBlock)[targetSize] = sentinel;
- LZ4_resetStreamHC(&sHC, 3);
+ LZ4_initStreamHC(&sHC, 3);
assert(blockSize < INT_MAX);
srcSize = (int)blockSize;
assert(targetSize < INT_MAX);
@@ -1114,7 +1114,7 @@ static void FUZ_unitTests(int compressionLevel)
FUZ_CHECKTEST(result!=4116, "LZ4_compress_HC_destSize() : compression must fill dstBuffer completely, but no more !");
FUZ_CHECKTEST(((char*)dstBlock)[targetSize] != sentinel, "LZ4_compress_HC_destSize()")
- LZ4_resetStreamHC(&sHC, 3); /* make sure the context is clean after the test */
+ LZ4_resetStreamHC_fast(&sHC, 3); /* make sure the context is clean after the test */
free(block);
free(dstBlock);
}
generated by cgit v0.12 at 2024-11-04 21:35:11 (GMT)