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ZSTD_ prefix mem{cpy,move,set},malloc,calloc,free

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This commit is contained in:
Nick Terrell 2020-08-10 12:46:38 -07:00
parent a686d306d2
commit c465f24457
25 changed files with 192 additions and 178 deletions
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2
lib/common/bitstream.h
View File

@ -274,7 +274,7 @@ MEM_STATIC size_t BIT_closeCStream(BIT_CStream_t* bitC)
*/
MEM_STATIC size_t BIT_initDStream(BIT_DStream_t* bitD, const void* srcBuffer, size_t srcSize)
{
if (srcSize < 1) { memset(bitD, 0, sizeof(*bitD)); return ERROR(srcSize_wrong); }
if (srcSize < 1) { ZSTD_memset(bitD, 0, sizeof(*bitD)); return ERROR(srcSize_wrong); }
bitD->start = (const char*)srcBuffer;
bitD->limitPtr = bitD->start + sizeof(bitD->bitContainer);

8
lib/common/entropy_common.c
View File

@ -79,7 +79,7 @@ size_t FSE_readNCount_body(short* normalizedCounter, unsigned* maxSVPtr, unsigne
if (hbSize < 8) {
/* This function only works when hbSize >= 8 */
char buffer[8] = {0};
memcpy(buffer, headerBuffer, hbSize);
ZSTD_memcpy(buffer, headerBuffer, hbSize);
{ size_t const countSize = FSE_readNCount(normalizedCounter, maxSVPtr, tableLogPtr,
buffer, sizeof(buffer));
if (FSE_isError(countSize)) return countSize;
@ -89,7 +89,7 @@ size_t FSE_readNCount_body(short* normalizedCounter, unsigned* maxSVPtr, unsigne
assert(hbSize >= 8);
/* init */
memset(normalizedCounter, 0, (*maxSVPtr+1) * sizeof(normalizedCounter[0])); /* all symbols not present in NCount have a frequency of 0 */
ZSTD_memset(normalizedCounter, 0, (*maxSVPtr+1) * sizeof(normalizedCounter[0])); /* all symbols not present in NCount have a frequency of 0 */
bitStream = MEM_readLE32(ip);
nbBits = (bitStream & 0xF) + FSE_MIN_TABLELOG; /* extract tableLog */
if (nbBits > FSE_TABLELOG_ABSOLUTE_MAX) return ERROR(tableLog_tooLarge);
@ -274,7 +274,7 @@ FORCE_INLINE_TEMPLATE size_t HUF_readStats_body(BYTE* huffWeight, size_t hwSize,
if (!srcSize) return ERROR(srcSize_wrong);
iSize = ip[0];
/* memset(huffWeight, 0, hwSize); *//* is not necessary, even though some analyzer complain ... */
/* ZSTD_memset(huffWeight, 0, hwSize); *//* is not necessary, even though some analyzer complain ... */
if (iSize >= 128) { /* special header */
oSize = iSize - 127;
@ -294,7 +294,7 @@ FORCE_INLINE_TEMPLATE size_t HUF_readStats_body(BYTE* huffWeight, size_t hwSize,
}
/* collect weight stats */
memset(rankStats, 0, (HUF_TABLELOG_MAX + 1) * sizeof(U32));
ZSTD_memset(rankStats, 0, (HUF_TABLELOG_MAX + 1) * sizeof(U32));
weightTotal = 0;
{ U32 n; for (n=0; n<oSize; n++) {
if (huffWeight[n] >= HUF_TABLELOG_MAX) return ERROR(corruption_detected);

6
lib/common/fse_decompress.c
View File

@ -60,12 +60,12 @@
FSE_DTable* FSE_createDTable (unsigned tableLog)
{
if (tableLog > FSE_TABLELOG_ABSOLUTE_MAX) tableLog = FSE_TABLELOG_ABSOLUTE_MAX;
return (FSE_DTable*)malloc( FSE_DTABLE_SIZE_U32(tableLog) * sizeof (U32) );
return (FSE_DTable*)ZSTD_malloc( FSE_DTABLE_SIZE_U32(tableLog) * sizeof (U32) );
}
void FSE_freeDTable (FSE_DTable* dt)
{
free(dt);
ZSTD_free(dt);
}
size_t FSE_buildDTable(FSE_DTable* dt, const short* normalizedCounter, unsigned maxSymbolValue, unsigned tableLog) {
@ -103,7 +103,7 @@ static size_t FSE_buildDTable_internal(FSE_DTable* dt, const short* normalizedCo
if (normalizedCounter[s] >= largeLimit) DTableH.fastMode=0;
symbolNext[s] = normalizedCounter[s];
} } }
memcpy(dt, &DTableH, sizeof(DTableH));
ZSTD_memcpy(dt, &DTableH, sizeof(DTableH));
}
/* Spread symbols */

16
lib/common/mem.h
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@ -18,7 +18,7 @@ extern "C" {
/*-****************************************
* Dependencies
******************************************/
#include "zstd_deps.h" /* size_t, ptrdiff_t, memcpy */
#include "zstd_deps.h" /* size_t, ptrdiff_t, ZSTD_memcpy */
/*-****************************************
@ -201,37 +201,37 @@ MEM_STATIC void MEM_write64(void* memPtr, U64 value) { ((unalign64*)memPtr)->v =
MEM_STATIC U16 MEM_read16(const void* memPtr)
{
U16 val; memcpy(&val, memPtr, sizeof(val)); return val;
U16 val; ZSTD_memcpy(&val, memPtr, sizeof(val)); return val;
}
MEM_STATIC U32 MEM_read32(const void* memPtr)
{
U32 val; memcpy(&val, memPtr, sizeof(val)); return val;
U32 val; ZSTD_memcpy(&val, memPtr, sizeof(val)); return val;
}
MEM_STATIC U64 MEM_read64(const void* memPtr)
{
U64 val; memcpy(&val, memPtr, sizeof(val)); return val;
U64 val; ZSTD_memcpy(&val, memPtr, sizeof(val)); return val;
}
MEM_STATIC size_t MEM_readST(const void* memPtr)
{
size_t val; memcpy(&val, memPtr, sizeof(val)); return val;
size_t val; ZSTD_memcpy(&val, memPtr, sizeof(val)); return val;
}
MEM_STATIC void MEM_write16(void* memPtr, U16 value)
{
memcpy(memPtr, &value, sizeof(value));
ZSTD_memcpy(memPtr, &value, sizeof(value));
}
MEM_STATIC void MEM_write32(void* memPtr, U32 value)
{
memcpy(memPtr, &value, sizeof(value));
ZSTD_memcpy(memPtr, &value, sizeof(value));
}
MEM_STATIC void MEM_write64(void* memPtr, U64 value)
{
memcpy(memPtr, &value, sizeof(value));
ZSTD_memcpy(memPtr, &value, sizeof(value));
}
#endif /* MEM_FORCE_MEMORY_ACCESS */

2
lib/common/pool.c
View File

@ -206,7 +206,7 @@ static int POOL_resize_internal(POOL_ctx* ctx, size_t numThreads)
{ ZSTD_pthread_t* const threadPool = (ZSTD_pthread_t*)ZSTD_customMalloc(numThreads * sizeof(ZSTD_pthread_t), ctx->customMem);
if (!threadPool) return 1;
/* replace existing thread pool */
memcpy(threadPool, ctx->threads, ctx->threadCapacity * sizeof(*threadPool));
ZSTD_memcpy(threadPool, ctx->threads, ctx->threadCapacity * sizeof(*threadPool));
ZSTD_customFree(ctx->threads, ctx->customMem);
ctx->threads = threadPool;
/* Initialize additional threads */

8
lib/common/threading.c
View File

@ -83,7 +83,7 @@ int ZSTD_pthread_join(ZSTD_pthread_t thread, void **value_ptr)
int ZSTD_pthread_mutex_init(ZSTD_pthread_mutex_t* mutex, pthread_mutexattr_t const* attr)
{
*mutex = (pthread_mutex_t*)malloc(sizeof(pthread_mutex_t));
*mutex = (pthread_mutex_t*)ZSTD_malloc(sizeof(pthread_mutex_t));
if (!*mutex)
return 1;
return pthread_mutex_init(*mutex, attr);
@ -95,14 +95,14 @@ int ZSTD_pthread_mutex_destroy(ZSTD_pthread_mutex_t* mutex)
return 0;
{
int const ret = pthread_mutex_destroy(*mutex);
free(*mutex);
ZSTD_free(*mutex);
return ret;
}
}
int ZSTD_pthread_cond_init(ZSTD_pthread_cond_t* cond, pthread_condattr_t const* attr)
{
*cond = (pthread_cond_t*)malloc(sizeof(pthread_cond_t));
*cond = (pthread_cond_t*)ZSTD_malloc(sizeof(pthread_cond_t));
if (!*cond)
return 1;
return pthread_cond_init(*cond, attr);
@ -114,7 +114,7 @@ int ZSTD_pthread_cond_destroy(ZSTD_pthread_cond_t* cond)
return 0;
{
int const ret = pthread_cond_destroy(*cond);
free(*cond);
ZSTD_free(*cond);
return ret;
}
}

30
lib/common/xxhash.c
View File

@ -77,12 +77,12 @@
* Includes & Memory related functions
***************************************/
/* Modify the local functions below should you wish to use some other memory routines */
/* for malloc(), free() */
/* for ZSTD_malloc(), ZSTD_free() */
#define ZSTD_DEPS_NEED_MALLOC
#include "zstd_deps.h" /* size_t, malloc, free, memcpy */
static void* XXH_malloc(size_t s) { return malloc(s); }
static void XXH_free (void* p) { free(p); }
static void* XXH_memcpy(void* dest, const void* src, size_t size) { return memcpy(dest,src,size); }
#include "zstd_deps.h" /* size_t, ZSTD_malloc, ZSTD_free, ZSTD_memcpy */
static void* XXH_malloc(size_t s) { return ZSTD_malloc(s); }
static void XXH_free (void* p) { ZSTD_free(p); }
static void* XXH_memcpy(void* dest, const void* src, size_t size) { return ZSTD_memcpy(dest,src,size); }
#ifndef XXH_STATIC_LINKING_ONLY
# define XXH_STATIC_LINKING_ONLY
@ -144,14 +144,14 @@ static U64 XXH_read64(const void* ptr) { return ((const unalign*)ptr)->u64; }
static U32 XXH_read32(const void* memPtr)
{
U32 val;
memcpy(&val, memPtr, sizeof(val));
ZSTD_memcpy(&val, memPtr, sizeof(val));
return val;
}
static U64 XXH_read64(const void* memPtr)
{
U64 val;
memcpy(&val, memPtr, sizeof(val));
ZSTD_memcpy(&val, memPtr, sizeof(val));
return val;
}
@ -288,12 +288,12 @@ XXH_PUBLIC_API unsigned XXH_versionNumber (void) { return XXH_VERSION_NUMBER; }
****************************/
XXH_PUBLIC_API void XXH32_copyState(XXH32_state_t* restrict dstState, const XXH32_state_t* restrict srcState)
{
memcpy(dstState, srcState, sizeof(*dstState));
ZSTD_memcpy(dstState, srcState, sizeof(*dstState));
}
XXH_PUBLIC_API void XXH64_copyState(XXH64_state_t* restrict dstState, const XXH64_state_t* restrict srcState)
{
memcpy(dstState, srcState, sizeof(*dstState));
ZSTD_memcpy(dstState, srcState, sizeof(*dstState));
}
@ -535,12 +535,12 @@ XXH_PUBLIC_API XXH_errorcode XXH64_freeState(XXH64_state_t* statePtr)
XXH_PUBLIC_API XXH_errorcode XXH32_reset(XXH32_state_t* statePtr, unsigned int seed)
{
XXH32_state_t state; /* using a local state to memcpy() in order to avoid strict-aliasing warnings */
memset(&state, 0, sizeof(state)-4); /* do not write into reserved, for future removal */
ZSTD_memset(&state, 0, sizeof(state)-4); /* do not write into reserved, for future removal */
state.v1 = seed + PRIME32_1 + PRIME32_2;
state.v2 = seed + PRIME32_2;
state.v3 = seed + 0;
state.v4 = seed - PRIME32_1;
memcpy(statePtr, &state, sizeof(state));
ZSTD_memcpy(statePtr, &state, sizeof(state));
return XXH_OK;
}
@ -548,12 +548,12 @@ XXH_PUBLIC_API XXH_errorcode XXH32_reset(XXH32_state_t* statePtr, unsigned int s
XXH_PUBLIC_API XXH_errorcode XXH64_reset(XXH64_state_t* statePtr, unsigned long long seed)
{
XXH64_state_t state; /* using a local state to memcpy() in order to avoid strict-aliasing warnings */
memset(&state, 0, sizeof(state)-8); /* do not write into reserved, for future removal */
ZSTD_memset(&state, 0, sizeof(state)-8); /* do not write into reserved, for future removal */
state.v1 = seed + PRIME64_1 + PRIME64_2;
state.v2 = seed + PRIME64_2;
state.v3 = seed + 0;
state.v4 = seed - PRIME64_1;
memcpy(statePtr, &state, sizeof(state));
ZSTD_memcpy(statePtr, &state, sizeof(state));
return XXH_OK;
}
@ -824,14 +824,14 @@ XXH_PUBLIC_API void XXH32_canonicalFromHash(XXH32_canonical_t* dst, XXH32_hash_t
{
XXH_STATIC_ASSERT(sizeof(XXH32_canonical_t) == sizeof(XXH32_hash_t));
if (XXH_CPU_LITTLE_ENDIAN) hash = XXH_swap32(hash);
memcpy(dst, &hash, sizeof(*dst));
ZSTD_memcpy(dst, &hash, sizeof(*dst));
}
XXH_PUBLIC_API void XXH64_canonicalFromHash(XXH64_canonical_t* dst, XXH64_hash_t hash)
{
XXH_STATIC_ASSERT(sizeof(XXH64_canonical_t) == sizeof(XXH64_hash_t));
if (XXH_CPU_LITTLE_ENDIAN) hash = XXH_swap64(hash);
memcpy(dst, &hash, sizeof(*dst));
ZSTD_memcpy(dst, &hash, sizeof(*dst));
}
XXH_PUBLIC_API XXH32_hash_t XXH32_hashFromCanonical(const XXH32_canonical_t* src)

10
lib/common/zstd_common.c
View File

@ -14,7 +14,7 @@
* Dependencies
***************************************/
#define ZSTD_DEPS_NEED_MALLOC
#include "zstd_deps.h" /* malloc, calloc, free, memset */
#include "zstd_deps.h" /* ZSTD_malloc, ZSTD_calloc, ZSTD_free, ZSTD_memset */
#include "error_private.h"
#include "zstd_internal.h"
@ -57,7 +57,7 @@ void* ZSTD_customMalloc(size_t size, ZSTD_customMem customMem)
{
if (customMem.customAlloc)
return customMem.customAlloc(customMem.opaque, size);
return malloc(size);
return ZSTD_malloc(size);
}
void* ZSTD_customCalloc(size_t size, ZSTD_customMem customMem)
@ -66,10 +66,10 @@ void* ZSTD_customCalloc(size_t size, ZSTD_customMem customMem)
/* calloc implemented as malloc+memset;
* not as efficient as calloc, but next best guess for custom malloc */
void* const ptr = customMem.customAlloc(customMem.opaque, size);
memset(ptr, 0, size);
ZSTD_memset(ptr, 0, size);
return ptr;
}
return calloc(1, size);
return ZSTD_calloc(1, size);
}
void ZSTD_customFree(void* ptr, ZSTD_customMem customMem)
@ -78,6 +78,6 @@ void ZSTD_customFree(void* ptr, ZSTD_customMem customMem)
if (customMem.customFree)
customMem.customFree(customMem.opaque, ptr);
else
free(ptr);
ZSTD_free(ptr);
}
}

26
lib/common/zstd_deps.h
View File

@ -9,9 +9,9 @@
*/
/* Need:
* memcpy()
* memset()
* memmove()
* ZSTD_memcpy()
* ZSTD_memset()
* ZSTD_memmove()
* BYTE
* S16
* U16
@ -29,6 +29,16 @@
#include <stddef.h>
#include <string.h>
#if defined(__GNUC__) && __GNUC__ >= 4
# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l))
# define ZSTD_memmove(d,s,l) __builtin_memmove((d),(s),(l))
# define ZSTD_memset(p,v,l) __builtin_memset((p),(v),(l))
#else
# define ZSTD_memcpy(d,s,l) memcpy((d),(s),(l))
# define ZSTD_memmove(d,s,l) memmove((d),(s),(l))
# define ZSTD_memset(p,v,l) memset((p),(v),(l))
#endif
/*-**************************************************************
* Basic Types
*****************************************************************/
@ -66,9 +76,9 @@
#endif /* ZSTD_DEPS_COMMON */
/* Need:
* malloc()
* free()
* calloc()
* ZSTD_malloc()
* ZSTD_free()
* ZSTD_calloc()
*/
#ifdef ZSTD_DEPS_NEED_MALLOC
#ifndef ZSTD_DEPS_MALLOC
@ -76,6 +86,10 @@
#include <stdlib.h>
#define ZSTD_malloc(s) malloc(s)
#define ZSTD_calloc(n,s) calloc((n), (s))
#define ZSTD_free(p) free((p))
#endif /* ZSTD_DEPS_MALLOC */
#endif /* ZSTD_DEPS_NEED_MALLOC */

8
lib/common/zstd_internal.h
View File

@ -231,7 +231,7 @@ static void ZSTD_copy8(void* dst, const void* src) {
#ifdef __aarch64__
vst1_u8((uint8_t*)dst, vld1_u8((const uint8_t*)src));
#else
memcpy(dst, src, 8);
ZSTD_memcpy(dst, src, 8);
#endif
}
@ -240,7 +240,7 @@ static void ZSTD_copy16(void* dst, const void* src) {
#ifdef __aarch64__
vst1q_u8((uint8_t*)dst, vld1q_u8((const uint8_t*)src));
#else
memcpy(dst, src, 16);
ZSTD_memcpy(dst, src, 16);
#endif
}
#define COPY16(d,s) { ZSTD_copy16(d,s); d+=16; s+=16; }
@ -255,7 +255,7 @@ typedef enum {
} ZSTD_overlap_e;
/*! ZSTD_wildcopy() :
* Custom version of memcpy(), can over read/write up to WILDCOPY_OVERLENGTH bytes (if length==0)
* Custom version of ZSTD_memcpy(), can over read/write up to WILDCOPY_OVERLENGTH bytes (if length==0)
* @param ovtype controls the overlap detection
* - ZSTD_no_overlap: The source and destination are guaranteed to be at least WILDCOPY_VECLEN bytes apart.
* - ZSTD_overlap_src_before_dst: The src and dst may overlap, but they MUST be at least 8 bytes apart.
@ -307,7 +307,7 @@ MEM_STATIC size_t ZSTD_limitCopy(void* dst, size_t dstCapacity, const void* src,
{
size_t const length = MIN(dstCapacity, srcSize);
if (length > 0) {
memcpy(dst, src, length);
ZSTD_memcpy(dst, src, length);
}
return length;
}

8
lib/compress/fse_compress.c
View File

@ -24,7 +24,7 @@
#include "../common/fse.h"
#include "../common/error_private.h"
#define ZSTD_DEPS_NEED_MALLOC
#include "../common/zstd_deps.h" /* malloc, free, memcpy, memset */
#include "../common/zstd_deps.h" /* ZSTD_malloc, ZSTD_free, ZSTD_memcpy, ZSTD_memset */
/* **************************************************************
@ -89,7 +89,7 @@ size_t FSE_buildCTable_wksp(FSE_CTable* ct,
* http://fastcompression.blogspot.fr/2014/02/fse-distributing-symbol-values.html */
#ifdef __clang_analyzer__
memset(tableSymbol, 0, sizeof(*tableSymbol) * tableSize); /* useless initialization, just to keep scan-build happy */
ZSTD_memset(tableSymbol, 0, sizeof(*tableSymbol) * tableSize); /* useless initialization, just to keep scan-build happy */
#endif
/* symbol start positions */
@ -307,10 +307,10 @@ FSE_CTable* FSE_createCTable (unsigned maxSymbolValue, unsigned tableLog)
size_t size;
if (tableLog > FSE_TABLELOG_ABSOLUTE_MAX) tableLog = FSE_TABLELOG_ABSOLUTE_MAX;
size = FSE_CTABLE_SIZE_U32 (tableLog, maxSymbolValue) * sizeof(U32);
return (FSE_CTable*)malloc(size);
return (FSE_CTable*)ZSTD_malloc(size);
}
void FSE_freeCTable (FSE_CTable* ct) { free(ct); }
void FSE_freeCTable (FSE_CTable* ct) { ZSTD_free(ct); }
/* provides the minimum logSize to safely represent a distribution */
static unsigned FSE_minTableLog(size_t srcSize, unsigned maxSymbolValue)

8
lib/compress/hist.c
View File

@ -34,7 +34,7 @@ unsigned HIST_count_simple(unsigned* count, unsigned* maxSymbolValuePtr,
unsigned maxSymbolValue = *maxSymbolValuePtr;
unsigned largestCount=0;
memset(count, 0, (maxSymbolValue+1) * sizeof(*count));
ZSTD_memset(count, 0, (maxSymbolValue+1) * sizeof(*count));
if (srcSize==0) { *maxSymbolValuePtr = 0; return 0; }
while (ip<end) {
@ -81,11 +81,11 @@ static size_t HIST_count_parallel_wksp(
/* safety checks */
assert(*maxSymbolValuePtr <= 255);
if (!sourceSize) {
memset(count, 0, countSize);
ZSTD_memset(count, 0, countSize);
*maxSymbolValuePtr = 0;
return 0;
}
memset(workSpace, 0, 4*256*sizeof(unsigned));
ZSTD_memset(workSpace, 0, 4*256*sizeof(unsigned));
/* by stripes of 16 bytes */
{ U32 cached = MEM_read32(ip); ip += 4;
@ -127,7 +127,7 @@ static size_t HIST_count_parallel_wksp(
while (!Counting1[maxSymbolValue]) maxSymbolValue--;
if (check && maxSymbolValue > *maxSymbolValuePtr) return ERROR(maxSymbolValue_tooSmall);
*maxSymbolValuePtr = maxSymbolValue;
memmove(count, Counting1, countSize); /* in case count & Counting1 are overlapping */
ZSTD_memmove(count, Counting1, countSize); /* in case count & Counting1 are overlapping */
}
return (size_t)max;
}

12
lib/compress/huf_compress.c
View File

@ -23,7 +23,7 @@
/* **************************************************************
* Includes
****************************************************************/
#include "../common/zstd_deps.h" /* memcpy, memset */
#include "../common/zstd_deps.h" /* ZSTD_memcpy, ZSTD_memset */
#include "../common/compiler.h"
#include "../common/bitstream.h"
#include "hist.h"
@ -236,7 +236,7 @@ static U32 HUF_setMaxHeight(nodeElt* huffNode, U32 lastNonNull, U32 maxNbBits)
U32 rankLast[HUF_TABLELOG_MAX+2];
/* Get pos of last (smallest) symbol per rank */
memset(rankLast, 0xF0, sizeof(rankLast));
ZSTD_memset(rankLast, 0xF0, sizeof(rankLast));
{ U32 currentNbBits = maxNbBits;
int pos;
for (pos=n ; pos >= 0; pos--) {
@ -307,7 +307,7 @@ static void HUF_sort(nodeElt* huffNode, const unsigned* count, U32 maxSymbolValu
{
U32 n;
memset(rankPosition, 0, sizeof(*rankPosition) * RANK_POSITION_TABLE_SIZE);
ZSTD_memset(rankPosition, 0, sizeof(*rankPosition) * RANK_POSITION_TABLE_SIZE);
for (n=0; n<=maxSymbolValue; n++) {
U32 r = BIT_highbit32(count[n] + 1);
rankPosition[r].base ++;
@ -351,7 +351,7 @@ size_t HUF_buildCTable_wksp (HUF_CElt* tree, const unsigned* count, U32 maxSymbo
if (maxNbBits == 0) maxNbBits = HUF_TABLELOG_DEFAULT;
if (maxSymbolValue > HUF_SYMBOLVALUE_MAX)
return ERROR(maxSymbolValue_tooLarge);
memset(huffNode0, 0, sizeof(huffNodeTable));
ZSTD_memset(huffNode0, 0, sizeof(huffNodeTable));
/* sort, decreasing order */
HUF_sort(huffNode, count, maxSymbolValue, wksp_tables->rankPosition);
@ -694,7 +694,7 @@ HUF_compress_internal (void* dst, size_t dstSize,
CHECK_F(maxBits);
huffLog = (U32)maxBits;
/* Zero unused symbols in CTable, so we can check it for validity */
memset(table->CTable + (maxSymbolValue + 1), 0,
ZSTD_memset(table->CTable + (maxSymbolValue + 1), 0,
sizeof(table->CTable) - ((maxSymbolValue + 1) * sizeof(HUF_CElt)));
}
@ -715,7 +715,7 @@ HUF_compress_internal (void* dst, size_t dstSize,
op += hSize;
if (repeat) { *repeat = HUF_repeat_none; }
if (oldHufTable)
memcpy(oldHufTable, table->CTable, sizeof(table->CTable)); /* Save new table */
ZSTD_memcpy(oldHufTable, table->CTable, sizeof(table->CTable)); /* Save new table */
}
return HUF_compressCTable_internal(ostart, op, oend,
src, srcSize,

54
lib/compress/zstd_compress.c
View File

@ -11,7 +11,7 @@
/*-*************************************
* Dependencies
***************************************/
#include "../common/zstd_deps.h" /* INT_MAX, memset, memcpy */
#include "../common/zstd_deps.h" /* INT_MAX, ZSTD_memset, ZSTD_memcpy */
#include "../common/cpu.h"
#include "../common/mem.h"
#include "hist.h" /* HIST_countFast_wksp */
@ -68,7 +68,7 @@ ZSTD_CCtx* ZSTD_createCCtx(void)
static void ZSTD_initCCtx(ZSTD_CCtx* cctx, ZSTD_customMem memManager)
{
assert(cctx != NULL);
memset(cctx, 0, sizeof(*cctx));
ZSTD_memset(cctx, 0, sizeof(*cctx));
cctx->customMem = memManager;
cctx->bmi2 = ZSTD_cpuid_bmi2(ZSTD_cpuid());
{ size_t const err = ZSTD_CCtx_reset(cctx, ZSTD_reset_parameters);
@ -100,7 +100,7 @@ ZSTD_CCtx* ZSTD_initStaticCCtx(void* workspace, size_t workspaceSize)
cctx = (ZSTD_CCtx*)ZSTD_cwksp_reserve_object(&ws, sizeof(ZSTD_CCtx));
if (cctx == NULL) return NULL;
memset(cctx, 0, sizeof(ZSTD_CCtx));
ZSTD_memset(cctx, 0, sizeof(ZSTD_CCtx));
ZSTD_cwksp_move(&cctx->workspace, &ws);
cctx->staticSize = workspaceSize;
@ -120,8 +120,8 @@ static void ZSTD_clearAllDicts(ZSTD_CCtx* cctx)
{
ZSTD_customFree(cctx->localDict.dictBuffer, cctx->customMem);
ZSTD_freeCDict(cctx->localDict.cdict);
memset(&cctx->localDict, 0, sizeof(cctx->localDict));
memset(&cctx->prefixDict, 0, sizeof(cctx->prefixDict));
ZSTD_memset(&cctx->localDict, 0, sizeof(cctx->localDict));
ZSTD_memset(&cctx->prefixDict, 0, sizeof(cctx->prefixDict));
cctx->cdict = NULL;
}
@ -192,7 +192,7 @@ static ZSTD_CCtx_params ZSTD_makeCCtxParamsFromCParams(
ZSTD_compressionParameters cParams)
{
ZSTD_CCtx_params cctxParams;
memset(&cctxParams, 0, sizeof(cctxParams));
ZSTD_memset(&cctxParams, 0, sizeof(cctxParams));
cctxParams.cParams = cParams;
cctxParams.compressionLevel = ZSTD_CLEVEL_DEFAULT; /* should not matter, as all cParams are presumed properly defined */
assert(!ZSTD_checkCParams(cParams));
@ -233,7 +233,7 @@ size_t ZSTD_CCtxParams_reset(ZSTD_CCtx_params* params)
size_t ZSTD_CCtxParams_init(ZSTD_CCtx_params* cctxParams, int compressionLevel) {
RETURN_ERROR_IF(!cctxParams, GENERIC, "NULL pointer!");
memset(cctxParams, 0, sizeof(*cctxParams));
ZSTD_memset(cctxParams, 0, sizeof(*cctxParams));
cctxParams->compressionLevel = compressionLevel;
cctxParams->fParams.contentSizeFlag = 1;
return 0;
@ -243,7 +243,7 @@ size_t ZSTD_CCtxParams_init_advanced(ZSTD_CCtx_params* cctxParams, ZSTD_paramete
{
RETURN_ERROR_IF(!cctxParams, GENERIC, "NULL pointer!");
FORWARD_IF_ERROR( ZSTD_checkCParams(params.cParams) , "");
memset(cctxParams, 0, sizeof(*cctxParams));
ZSTD_memset(cctxParams, 0, sizeof(*cctxParams));
assert(!ZSTD_checkCParams(params.cParams));
cctxParams->cParams = params.cParams;
cctxParams->fParams = params.fParams;
@ -904,7 +904,7 @@ size_t ZSTD_CCtx_loadDictionary_advanced(
} else {
void* dictBuffer = ZSTD_customMalloc(dictSize, cctx->customMem);
RETURN_ERROR_IF(!dictBuffer, memory_allocation, "NULL pointer!");
memcpy(dictBuffer, dict, dictSize);
ZSTD_memcpy(dictBuffer, dict, dictSize);
cctx->localDict.dictBuffer = dictBuffer;
cctx->localDict.dict = dictBuffer;
}
@ -1543,7 +1543,7 @@ static size_t ZSTD_resetCCtx_internal(ZSTD_CCtx* zc,
((size_t)1) << (params.ldmParams.hashLog -
params.ldmParams.bucketSizeLog);
zc->ldmState.bucketOffsets = ZSTD_cwksp_reserve_buffer(ws, ldmBucketSize);
memset(zc->ldmState.bucketOffsets, 0, ldmBucketSize);
ZSTD_memset(zc->ldmState.bucketOffsets, 0, ldmBucketSize);
}
/* sequences storage */
@ -1567,7 +1567,7 @@ static size_t ZSTD_resetCCtx_internal(ZSTD_CCtx* zc,
/* TODO: avoid memset? */
size_t const ldmHSize = ((size_t)1) << params.ldmParams.hashLog;
zc->ldmState.hashTable = (ldmEntry_t*)ZSTD_cwksp_reserve_aligned(ws, ldmHSize * sizeof(ldmEntry_t));
memset(zc->ldmState.hashTable, 0, ldmHSize * sizeof(ldmEntry_t));
ZSTD_memset(zc->ldmState.hashTable, 0, ldmHSize * sizeof(ldmEntry_t));
zc->ldmSequences = (rawSeq*)ZSTD_cwksp_reserve_aligned(ws, maxNbLdmSeq * sizeof(rawSeq));
zc->maxNbLdmSequences = maxNbLdmSeq;
@ -1673,7 +1673,7 @@ ZSTD_resetCCtx_byAttachingCDict(ZSTD_CCtx* cctx,
cctx->dictID = cdict->dictID;
/* copy block state */
memcpy(cctx->blockState.prevCBlock, &cdict->cBlockState, sizeof(cdict->cBlockState));
ZSTD_memcpy(cctx->blockState.prevCBlock, &cdict->cBlockState, sizeof(cdict->cBlockState));
return 0;
}
@ -1706,10 +1706,10 @@ static size_t ZSTD_resetCCtx_byCopyingCDict(ZSTD_CCtx* cctx,
{ size_t const chainSize = (cdict_cParams->strategy == ZSTD_fast) ? 0 : ((size_t)1 << cdict_cParams->chainLog);
size_t const hSize = (size_t)1 << cdict_cParams->hashLog;
memcpy(cctx->blockState.matchState.hashTable,
ZSTD_memcpy(cctx->blockState.matchState.hashTable,
cdict->matchState.hashTable,
hSize * sizeof(U32));
memcpy(cctx->blockState.matchState.chainTable,
ZSTD_memcpy(cctx->blockState.matchState.chainTable,
cdict->matchState.chainTable,
chainSize * sizeof(U32));
}
@ -1718,7 +1718,7 @@ static size_t ZSTD_resetCCtx_byCopyingCDict(ZSTD_CCtx* cctx,
{ int const h3log = cctx->blockState.matchState.hashLog3;
size_t const h3Size = h3log ? ((size_t)1 << h3log) : 0;
assert(cdict->matchState.hashLog3 == 0);
memset(cctx->blockState.matchState.hashTable3, 0, h3Size * sizeof(U32));
ZSTD_memset(cctx->blockState.matchState.hashTable3, 0, h3Size * sizeof(U32));
}
ZSTD_cwksp_mark_tables_clean(&cctx->workspace);
@ -1734,7 +1734,7 @@ static size_t ZSTD_resetCCtx_byCopyingCDict(ZSTD_CCtx* cctx,
cctx->dictID = cdict->dictID;
/* copy block state */
memcpy(cctx->blockState.prevCBlock, &cdict->cBlockState, sizeof(cdict->cBlockState));
ZSTD_memcpy(cctx->blockState.prevCBlock, &cdict->cBlockState, sizeof(cdict->cBlockState));
return 0;
}
@ -1778,7 +1778,7 @@ static size_t ZSTD_copyCCtx_internal(ZSTD_CCtx* dstCCtx,
RETURN_ERROR_IF(srcCCtx->stage!=ZSTDcs_init, stage_wrong,
"Can't copy a ctx that's not in init stage.");
memcpy(&dstCCtx->customMem, &srcCCtx->customMem, sizeof(ZSTD_customMem));
ZSTD_memcpy(&dstCCtx->customMem, &srcCCtx->customMem, sizeof(ZSTD_customMem));
{ ZSTD_CCtx_params params = dstCCtx->requestedParams;
/* Copy only compression parameters related to tables. */
params.cParams = srcCCtx->appliedParams.cParams;
@ -1800,13 +1800,13 @@ static size_t ZSTD_copyCCtx_internal(ZSTD_CCtx* dstCCtx,
int const h3log = srcCCtx->blockState.matchState.hashLog3;
size_t const h3Size = h3log ? ((size_t)1 << h3log) : 0;
memcpy(dstCCtx->blockState.matchState.hashTable,
ZSTD_memcpy(dstCCtx->blockState.matchState.hashTable,
srcCCtx->blockState.matchState.hashTable,
hSize * sizeof(U32));
memcpy(dstCCtx->blockState.matchState.chainTable,
ZSTD_memcpy(dstCCtx->blockState.matchState.chainTable,
srcCCtx->blockState.matchState.chainTable,
chainSize * sizeof(U32));
memcpy(dstCCtx->blockState.matchState.hashTable3,
ZSTD_memcpy(dstCCtx->blockState.matchState.hashTable3,
srcCCtx->blockState.matchState.hashTable3,
h3Size * sizeof(U32));
}
@ -1824,7 +1824,7 @@ static size_t ZSTD_copyCCtx_internal(ZSTD_CCtx* dstCCtx,
dstCCtx->dictID = srcCCtx->dictID;
/* copy block state */
memcpy(dstCCtx->blockState.prevCBlock, srcCCtx->blockState.prevCBlock, sizeof(*srcCCtx->blockState.prevCBlock));
ZSTD_memcpy(dstCCtx->blockState.prevCBlock, srcCCtx->blockState.prevCBlock, sizeof(*srcCCtx->blockState.prevCBlock));
return 0;
}
@ -2026,7 +2026,7 @@ ZSTD_compressSequences_internal(seqStore_t* seqStorePtr,
assert(op <= oend);
if (nbSeq==0) {
/* Copy the old tables over as if we repeated them */
memcpy(&nextEntropy->fse, &prevEntropy->fse, sizeof(prevEntropy->fse));
ZSTD_memcpy(&nextEntropy->fse, &prevEntropy->fse, sizeof(prevEntropy->fse));
return (size_t)(op - ostart);
}
@ -2229,7 +2229,7 @@ ZSTD_blockCompressor ZSTD_selectBlockCompressor(ZSTD_strategy strat, ZSTD_dictMo
static void ZSTD_storeLastLiterals(seqStore_t* seqStorePtr,
const BYTE* anchor, size_t lastLLSize)
{
memcpy(seqStorePtr->lit, anchor, lastLLSize);
ZSTD_memcpy(seqStorePtr->lit, anchor, lastLLSize);
seqStorePtr->lit += lastLLSize;
}
@ -3369,7 +3369,7 @@ static size_t ZSTD_initCDict_internal(
void *internalBuffer = ZSTD_cwksp_reserve_object(&cdict->workspace, ZSTD_cwksp_align(dictSize, sizeof(void*)));
RETURN_ERROR_IF(!internalBuffer, memory_allocation, "NULL pointer!");
cdict->dictContent = internalBuffer;
memcpy(internalBuffer, dictBuffer, dictSize);
ZSTD_memcpy(internalBuffer, dictBuffer, dictSize);
}
cdict->dictContentSize = dictSize;
@ -3389,7 +3389,7 @@ static size_t ZSTD_initCDict_internal(
* Skips loading the dictionary if it is < 8 bytes.
*/
{ ZSTD_CCtx_params params;
memset(&params, 0, sizeof(params));
ZSTD_memset(&params, 0, sizeof(params));
params.compressionLevel = ZSTD_CLEVEL_DEFAULT;
params.fParams.contentSizeFlag = 1;
params.cParams = cParams;
@ -3981,7 +3981,7 @@ size_t ZSTD_compressStream2( ZSTD_CCtx* cctx,
ZSTD_CCtx_params params = cctx->requestedParams;
ZSTD_prefixDict const prefixDict = cctx->prefixDict;
FORWARD_IF_ERROR( ZSTD_initLocalDict(cctx) , ""); /* Init the local dict if present. */
memset(&cctx->prefixDict, 0, sizeof(cctx->prefixDict)); /* single usage */
ZSTD_memset(&cctx->prefixDict, 0, sizeof(cctx->prefixDict)); /* single usage */
assert(prefixDict.dict==NULL || cctx->cdict==NULL); /* only one can be set */
DEBUGLOG(4, "ZSTD_compressStream2 : transparent init stage");
if (endOp == ZSTD_e_end) cctx->pledgedSrcSizePlusOne = input->size + 1; /* auto-fix pledgedSrcSize */
@ -4267,7 +4267,7 @@ static ZSTD_parameters ZSTD_getParams_internal(int compressionLevel, unsigned lo
ZSTD_parameters params;
ZSTD_compressionParameters const cParams = ZSTD_getCParams_internal(compressionLevel, srcSizeHint, dictSize);
DEBUGLOG(5, "ZSTD_getParams (cLevel=%i)", compressionLevel);
memset(&params, 0, sizeof(params));
ZSTD_memset(&params, 0, sizeof(params));
params.cParams = cParams;
params.fParams.contentSizeFlag = 1;
return params;

6
lib/compress/zstd_compress_internal.h
View File

@ -345,7 +345,7 @@ MEM_STATIC repcodes_t ZSTD_updateRep(U32 const rep[3], U32 const offset, U32 con
newReps.rep[1] = rep[0];
newReps.rep[0] = currentOffset;
} else { /* repCode == 0 */
memcpy(&newReps, rep, sizeof(newReps));
ZSTD_memcpy(&newReps, rep, sizeof(newReps));
}
}
return newReps;
@ -372,7 +372,7 @@ MEM_STATIC size_t ZSTD_noCompressBlock (void* dst, size_t dstCapacity, const voi
RETURN_ERROR_IF(srcSize + ZSTD_blockHeaderSize > dstCapacity,
dstSize_tooSmall, "dst buf too small for uncompressed block");
MEM_writeLE24(dst, cBlockHeader24);
memcpy((BYTE*)dst + ZSTD_blockHeaderSize, src, srcSize);
ZSTD_memcpy((BYTE*)dst + ZSTD_blockHeaderSize, src, srcSize);
return ZSTD_blockHeaderSize + srcSize;
}
@ -927,7 +927,7 @@ ZSTD_checkDictValidity(const ZSTD_window_t* window,
}
MEM_STATIC void ZSTD_window_init(ZSTD_window_t* window) {
memset(window, 0, sizeof(*window));
ZSTD_memset(window, 0, sizeof(*window));
window->base = (BYTE const*)"";
window->dictBase = (BYTE const*)"";
window->dictLimit = 1; /* start from 1, so that 1st position is valid */

8
lib/compress/zstd_compress_literals.c
View File

@ -35,7 +35,7 @@ size_t ZSTD_noCompressLiterals (void* dst, size_t dstCapacity, const void* src,
assert(0);
}
memcpy(ostart + flSize, src, srcSize);
ZSTD_memcpy(ostart + flSize, src, srcSize);
DEBUGLOG(5, "Raw literals: %u -> %u", (U32)srcSize, (U32)(srcSize + flSize));
return srcSize + flSize;
}
@ -86,7 +86,7 @@ size_t ZSTD_compressLiterals (ZSTD_hufCTables_t const* prevHuf,
disableLiteralCompression, (U32)srcSize);
/* Prepare nextEntropy assuming reusing the existing table */
memcpy(nextHuf, prevHuf, sizeof(*prevHuf));
ZSTD_memcpy(nextHuf, prevHuf, sizeof(*prevHuf));
if (disableLiteralCompression)
return ZSTD_noCompressLiterals(dst, dstCapacity, src, srcSize);
@ -118,11 +118,11 @@ size_t ZSTD_compressLiterals (ZSTD_hufCTables_t const* prevHuf,
}
if ((cLitSize==0) | (cLitSize >= srcSize - minGain) | ERR_isError(cLitSize)) {
memcpy(nextHuf, prevHuf, sizeof(*prevHuf));
ZSTD_memcpy(nextHuf, prevHuf, sizeof(*prevHuf));
return ZSTD_noCompressLiterals(dst, dstCapacity, src, srcSize);
}
if (cLitSize==1) {
memcpy(nextHuf, prevHuf, sizeof(*prevHuf));
ZSTD_memcpy(nextHuf, prevHuf, sizeof(*prevHuf));
return ZSTD_compressRleLiteralsBlock(dst, dstCapacity, src, srcSize);
}

2
lib/compress/zstd_compress_sequences.c
View File

@ -252,7 +252,7 @@ ZSTD_buildCTable(void* dst, size_t dstCapacity,
*op = codeTable[0];
return 1;
case set_repeat:
memcpy(nextCTable, prevCTable, prevCTableSize);
ZSTD_memcpy(nextCTable, prevCTable, prevCTableSize);
return 0;
case set_basic:
FORWARD_IF_ERROR(FSE_buildCTable_wksp(nextCTable, defaultNorm, defaultMax, defaultNormLog, entropyWorkspace, entropyWorkspaceSize), ""); /* note : could be pre-calculated */

20
lib/compress/zstd_compress_superblock.c
View File

@ -79,7 +79,7 @@ static size_t ZSTD_buildSuperBlockEntropy_literal(void* const src, size_t srcSiz
DEBUGLOG(5, "ZSTD_buildSuperBlockEntropy_literal (srcSize=%zu)", srcSize);
/* Prepare nextEntropy assuming reusing the existing table */
memcpy(nextHuf, prevHuf, sizeof(*prevHuf));
ZSTD_memcpy(nextHuf, prevHuf, sizeof(*prevHuf));
if (disableLiteralsCompression) {
DEBUGLOG(5, "set_basic - disabled");
@ -118,7 +118,7 @@ static size_t ZSTD_buildSuperBlockEntropy_literal(void* const src, size_t srcSiz
}
/* Build Huffman Tree */
memset(nextHuf->CTable, 0, sizeof(nextHuf->CTable));
ZSTD_memset(nextHuf->CTable, 0, sizeof(nextHuf->CTable));
huffLog = HUF_optimalTableLog(huffLog, srcSize, maxSymbolValue);
{ size_t const maxBits = HUF_buildCTable_wksp((HUF_CElt*)nextHuf->CTable, countWksp,
maxSymbolValue, huffLog,
@ -137,14 +137,14 @@ static size_t ZSTD_buildSuperBlockEntropy_literal(void* const src, size_t srcSiz
(HUF_CElt const*)prevHuf->CTable, countWksp, maxSymbolValue);
if (oldCSize < srcSize && (oldCSize <= hSize + newCSize || hSize + 12 >= srcSize)) {
DEBUGLOG(5, "set_repeat - smaller");
memcpy(nextHuf, prevHuf, sizeof(*prevHuf));
ZSTD_memcpy(nextHuf, prevHuf, sizeof(*prevHuf));
hufMetadata->hType = set_repeat;
return 0;
}
}
if (newCSize + hSize >= srcSize) {
DEBUGLOG(5, "set_basic - no gains");
memcpy(nextHuf, prevHuf, sizeof(*prevHuf));
ZSTD_memcpy(nextHuf, prevHuf, sizeof(*prevHuf));
hufMetadata->hType = set_basic;
return 0;
}
@ -188,7 +188,7 @@ static size_t ZSTD_buildSuperBlockEntropy_sequences(seqStore_t* seqStorePtr,
assert(cTableWkspSize >= (1 << MaxFSELog) * sizeof(FSE_FUNCTION_TYPE));
DEBUGLOG(5, "ZSTD_buildSuperBlockEntropy_sequences (nbSeq=%zu)", nbSeq);
memset(workspace, 0, wkspSize);
ZSTD_memset(workspace, 0, wkspSize);
fseMetadata->lastCountSize = 0;
/* convert length/distances into codes */
@ -348,7 +348,7 @@ static size_t ZSTD_compressSubBlock_literal(const HUF_CElt* hufTable,
assert(hufMetadata->hType == set_compressed || hufMetadata->hType == set_repeat);
if (writeEntropy && hufMetadata->hType == set_compressed) {
memcpy(op, hufMetadata->hufDesBuffer, hufMetadata->hufDesSize);
ZSTD_memcpy(op, hufMetadata->hufDesBuffer, hufMetadata->hufDesSize);
op += hufMetadata->hufDesSize;
cLitSize += hufMetadata->hufDesSize;
DEBUGLOG(5, "ZSTD_compressSubBlock_literal (hSize=%zu)", hufMetadata->hufDesSize);
@ -474,7 +474,7 @@ static size_t ZSTD_compressSubBlock_sequences(const ZSTD_fseCTables_t* fseTables
const U32 MLtype = fseMetadata->mlType;
DEBUGLOG(5, "ZSTD_compressSubBlock_sequences (fseTablesSize=%zu)", fseMetadata->fseTablesSize);
*seqHead = (BYTE)((LLtype<<6) + (Offtype<<4) + (MLtype<<2));
memcpy(op, fseMetadata->fseTablesBuffer, fseMetadata->fseTablesSize);
ZSTD_memcpy(op, fseMetadata->fseTablesBuffer, fseMetadata->fseTablesSize);
op += fseMetadata->fseTablesSize;
} else {
const U32 repeat = set_repeat;
@ -794,7 +794,7 @@ static size_t ZSTD_compressSubBlock_multi(const seqStore_t* seqStorePtr,
} while (!lastSequence);
if (writeLitEntropy) {
DEBUGLOG(5, "ZSTD_compressSubBlock_multi has literal entropy tables unwritten");
memcpy(&nextCBlock->entropy.huf, &prevCBlock->entropy.huf, sizeof(prevCBlock->entropy.huf));
ZSTD_memcpy(&nextCBlock->entropy.huf, &prevCBlock->entropy.huf, sizeof(prevCBlock->entropy.huf));
}
if (writeSeqEntropy && ZSTD_needSequenceEntropyTables(&entropyMetadata->fseMetadata)) {
/* If we haven't written our entropy tables, then we've violated our contract and
@ -813,11 +813,11 @@ static size_t ZSTD_compressSubBlock_multi(const seqStore_t* seqStorePtr,
if (sp < send) {
seqDef const* seq;
repcodes_t rep;
memcpy(&rep, prevCBlock->rep, sizeof(rep));
ZSTD_memcpy(&rep, prevCBlock->rep, sizeof(rep));
for (seq = sstart; seq < sp; ++seq) {
rep = ZSTD_updateRep(rep.rep, seq->offset - 1, ZSTD_getSequenceLength(seqStorePtr, seq).litLength == 0);
}
memcpy(nextCBlock->rep, &rep, sizeof(rep));
ZSTD_memcpy(nextCBlock->rep, &rep, sizeof(rep));
}
}
DEBUGLOG(5, "ZSTD_compressSubBlock_multi compressed");

6
lib/compress/zstd_cwksp.h
View File

@ -380,7 +380,7 @@ MEM_STATIC void ZSTD_cwksp_clean_tables(ZSTD_cwksp* ws) {
assert(ws->tableValidEnd >= ws->objectEnd);
assert(ws->tableValidEnd <= ws->allocStart);
if (ws->tableValidEnd < ws->tableEnd) {
memset(ws->tableValidEnd, 0, (BYTE*)ws->tableEnd - (BYTE*)ws->tableValidEnd);
ZSTD_memset(ws->tableValidEnd, 0, (BYTE*)ws->tableEnd - (BYTE*)ws->tableValidEnd);
}
ZSTD_cwksp_mark_tables_clean(ws);
}
@ -466,7 +466,7 @@ MEM_STATIC size_t ZSTD_cwksp_create(ZSTD_cwksp* ws, size_t size, ZSTD_customMem
MEM_STATIC void ZSTD_cwksp_free(ZSTD_cwksp* ws, ZSTD_customMem customMem) {
void *ptr = ws->workspace;
DEBUGLOG(4, "cwksp: freeing workspace");
memset(ws, 0, sizeof(ZSTD_cwksp));
ZSTD_memset(ws, 0, sizeof(ZSTD_cwksp));
ZSTD_customFree(ptr, customMem);
}
@ -476,7 +476,7 @@ MEM_STATIC void ZSTD_cwksp_free(ZSTD_cwksp* ws, ZSTD_customMem customMem) {
*/
MEM_STATIC void ZSTD_cwksp_move(ZSTD_cwksp* dst, ZSTD_cwksp* src) {
*dst = *src;
memset(src, 0, sizeof(ZSTD_cwksp));
ZSTD_memset(src, 0, sizeof(ZSTD_cwksp));
}
MEM_STATIC size_t ZSTD_cwksp_sizeof(const ZSTD_cwksp* ws) {

10
lib/compress/zstd_opt.c
View File

@ -925,9 +925,9 @@ ZSTD_compressBlock_opt_generic(ZSTD_matchState_t* ms,
if (opt[cur].mlen != 0) {
U32 const prev = cur - opt[cur].mlen;
repcodes_t newReps = ZSTD_updateRep(opt[prev].rep, opt[cur].off, opt[cur].litlen==0);
memcpy(opt[cur].rep, &newReps, sizeof(repcodes_t));
ZSTD_memcpy(opt[cur].rep, &newReps, sizeof(repcodes_t));
} else {
memcpy(opt[cur].rep, opt[cur - 1].rep, sizeof(repcodes_t));
ZSTD_memcpy(opt[cur].rep, opt[cur - 1].rep, sizeof(repcodes_t));
}
/* last match must start at a minimum distance of 8 from oend */
@ -1010,9 +1010,9 @@ _shortestPath: /* cur, last_pos, best_mlen, best_off have to be set */
*/
if (lastSequence.mlen != 0) {
repcodes_t reps = ZSTD_updateRep(opt[cur].rep, lastSequence.off, lastSequence.litlen==0);
memcpy(rep, &reps, sizeof(reps));
ZSTD_memcpy(rep, &reps, sizeof(reps));
} else {
memcpy(rep, opt[cur].rep, sizeof(repcodes_t));
ZSTD_memcpy(rep, opt[cur].rep, sizeof(repcodes_t));
}
{ U32 const storeEnd = cur + 1;
@ -1110,7 +1110,7 @@ ZSTD_initStats_ultra(ZSTD_matchState_t* ms,
const void* src, size_t srcSize)
{
U32 tmpRep[ZSTD_REP_NUM]; /* updated rep codes will sink here */
memcpy(tmpRep, rep, sizeof(tmpRep));
ZSTD_memcpy(tmpRep, rep, sizeof(tmpRep));
DEBUGLOG(4, "ZSTD_initStats_ultra (srcSize=%zu)", srcSize);
assert(ms->opt.litLengthSum == 0); /* first block */

26
lib/compress/zstdmt_compress.c
View File

@ -20,7 +20,7 @@
/* ====== Dependencies ====== */
#include "../common/zstd_deps.h" /* memcpy, memset, INT_MAX, UINT_MAX */
#include "../common/zstd_deps.h" /* ZSTD_memcpy, ZSTD_memset, INT_MAX, UINT_MAX */
#include "../common/mem.h" /* MEM_STATIC */
#include "../common/pool.h" /* threadpool */
#include "../common/threading.h" /* mutex */
@ -234,7 +234,7 @@ static buffer_t ZSTDMT_resizeBuffer(ZSTDMT_bufferPool* bufPool, buffer_t buffer)
newBuffer.capacity = start == NULL ? 0 : bSize;
if (start != NULL) {
assert(newBuffer.capacity >= buffer.capacity);
memcpy(newBuffer.start, buffer.start, buffer.capacity);
ZSTD_memcpy(newBuffer.start, buffer.start, buffer.capacity);
DEBUGLOG(5, "ZSTDMT_resizeBuffer: created buffer of size %u", (U32)bSize);
return newBuffer;
}
@ -477,7 +477,7 @@ ZSTDMT_serialState_reset(serialState_t* serialState,
serialState->ldmState.hashPower =
ZSTD_rollingHash_primePower(params.ldmParams.minMatchLength);
} else {
memset(&params.ldmParams, 0, sizeof(params.ldmParams));
ZSTD_memset(&params.ldmParams, 0, sizeof(params.ldmParams));
}
serialState->nextJobID = 0;
if (params.fParams.checksumFlag)
@ -508,8 +508,8 @@ ZSTDMT_serialState_reset(serialState_t* serialState,
if (!serialState->ldmState.hashTable || !serialState->ldmState.bucketOffsets)
return 1;
/* Zero the tables */
memset(serialState->ldmState.hashTable, 0, hashSize);
memset(serialState->ldmState.bucketOffsets, 0, bucketSize);
ZSTD_memset(serialState->ldmState.hashTable, 0, hashSize);
ZSTD_memset(serialState->ldmState.bucketOffsets, 0, bucketSize);
/* Update window state and fill hash table with dict */
serialState->ldmState.loadedDictEnd = 0;
@ -536,7 +536,7 @@ ZSTDMT_serialState_reset(serialState_t* serialState,
static int ZSTDMT_serialState_init(serialState_t* serialState)
{
int initError = 0;
memset(serialState, 0, sizeof(*serialState));
ZSTD_memset(serialState, 0, sizeof(*serialState));
initError |= ZSTD_pthread_mutex_init(&serialState->mutex, NULL);
initError |= ZSTD_pthread_cond_init(&serialState->cond, NULL);
initError |= ZSTD_pthread_mutex_init(&serialState->ldmWindowMutex, NULL);
@ -956,7 +956,7 @@ static void ZSTDMT_releaseAllJobResources(ZSTDMT_CCtx* mtctx)
ZSTDMT_releaseBuffer(mtctx->bufPool, mtctx->jobs[jobID].dstBuff);
/* Clear the job description, but keep the mutex/cond */
memset(&mtctx->jobs[jobID], 0, sizeof(mtctx->jobs[jobID]));
ZSTD_memset(&mtctx->jobs[jobID], 0, sizeof(mtctx->jobs[jobID]));
mtctx->jobs[jobID].job_mutex = mutex;
mtctx->jobs[jobID].job_cond = cond;
}
@ -1064,8 +1064,8 @@ static ZSTD_CCtx_params ZSTDMT_initJobCCtxParams(const ZSTD_CCtx_params* params)
jobParams.jobSize = 0;
jobParams.overlapLog = 0;
jobParams.rsyncable = 0;
memset(&jobParams.ldmParams, 0, sizeof(ldmParams_t));
memset(&jobParams.customMem, 0, sizeof(ZSTD_customMem));
ZSTD_memset(&jobParams.ldmParams, 0, sizeof(ldmParams_t));
ZSTD_memset(&jobParams.customMem, 0, sizeof(ZSTD_customMem));
return jobParams;
}
@ -1349,7 +1349,7 @@ ZSTDMT_compress_advanced_internal(
if ((!error) && (dstPos + cSize > dstCapacity)) error = ERROR(dstSize_tooSmall);
if (jobID) { /* note : job 0 is written directly at dst, which is correct position */
if (!error)
memmove((char*)dst + dstPos, mtctx->jobs[jobID].dstBuff.start, cSize); /* may overlap when job compressed within dst */
ZSTD_memmove((char*)dst + dstPos, mtctx->jobs[jobID].dstBuff.start, cSize); /* may overlap when job compressed within dst */
if (jobID >= compressWithinDst) { /* job compressed into its own buffer, which must be released */
DEBUGLOG(5, "releasing buffer %u>=%u", jobID, compressWithinDst);
ZSTDMT_releaseBuffer(mtctx->bufPool, mtctx->jobs[jobID].dstBuff);
@ -1739,7 +1739,7 @@ static size_t ZSTDMT_flushProduced(ZSTDMT_CCtx* mtctx, ZSTD_outBuffer* output, u
assert(cSize >= mtctx->jobs[wJobID].dstFlushed);
assert(mtctx->jobs[wJobID].dstBuff.start != NULL);
if (toFlush > 0) {
memcpy((char*)output->dst + output->pos,
ZSTD_memcpy((char*)output->dst + output->pos,
(const char*)mtctx->jobs[wJobID].dstBuff.start + mtctx->jobs[wJobID].dstFlushed,
toFlush);
}
@ -1893,7 +1893,7 @@ static int ZSTDMT_tryGetInputRange(ZSTDMT_CCtx* mtctx)
return 0;
}
ZSTDMT_waitForLdmComplete(mtctx, buffer);
memmove(start, mtctx->inBuff.prefix.start, prefixSize);
ZSTD_memmove(start, mtctx->inBuff.prefix.start, prefixSize);
mtctx->inBuff.prefix.start = start;
mtctx->roundBuff.pos = prefixSize;
}
@ -2071,7 +2071,7 @@ size_t ZSTDMT_compressStream_generic(ZSTDMT_CCtx* mtctx,
assert(mtctx->inBuff.buffer.capacity >= mtctx->targetSectionSize);
DEBUGLOG(5, "ZSTDMT_compressStream_generic: adding %u bytes on top of %u to buffer of size %u",
(U32)syncPoint.toLoad, (U32)mtctx->inBuff.filled, (U32)mtctx->targetSectionSize);
memcpy((char*)mtctx->inBuff.buffer.start + mtctx->inBuff.filled, (const char*)input->src + input->pos, syncPoint.toLoad);
ZSTD_memcpy((char*)mtctx->inBuff.buffer.start + mtctx->inBuff.filled, (const char*)input->src + input->pos, syncPoint.toLoad);
input->pos += syncPoint.toLoad;
mtctx->inBuff.filled += syncPoint.toLoad;
forwardInputProgress = syncPoint.toLoad>0;

34
lib/decompress/huf_decompress.c
View File

@ -15,7 +15,7 @@
/* **************************************************************
* Dependencies
****************************************************************/
#include "../common/zstd_deps.h" /* memcpy, memset */
#include "../common/zstd_deps.h" /* ZSTD_memcpy, ZSTD_memset */
#include "../common/compiler.h"
#include "../common/bitstream.h" /* BIT_* */
#include "../common/fse.h" /* to compress headers */
@ -103,7 +103,7 @@ typedef struct { BYTE maxTableLog; BYTE tableType; BYTE tableLog; BYTE reserved;
static DTableDesc HUF_getDTableDesc(const HUF_DTable* table)
{
DTableDesc dtd;
memcpy(&dtd, table, sizeof(dtd));
ZSTD_memcpy(&dtd, table, sizeof(dtd));
return dtd;
}
@ -157,7 +157,7 @@ size_t HUF_readDTableX1_wksp_bmi2(HUF_DTable* DTable, const void* src, size_t sr
if (sizeof(*wksp) > wkspSize) return ERROR(tableLog_tooLarge);
DEBUG_STATIC_ASSERT(sizeof(DTableDesc) == sizeof(HUF_DTable));
/* memset(huffWeight, 0, sizeof(huffWeight)); */ /* is not necessary, even though some analyzer complain ... */
/* ZSTD_memset(huffWeight, 0, sizeof(huffWeight)); */ /* is not necessary, even though some analyzer complain ... */
iSize = HUF_readStats_wksp(wksp->huffWeight, HUF_SYMBOLVALUE_MAX + 1, wksp->rankVal, &nbSymbols, &tableLog, src, srcSize, wksp->statsWksp, sizeof(wksp->statsWksp), bmi2);
if (HUF_isError(iSize)) return iSize;
@ -167,7 +167,7 @@ size_t HUF_readDTableX1_wksp_bmi2(HUF_DTable* DTable, const void* src, size_t sr
if (tableLog > (U32)(dtd.maxTableLog+1)) return ERROR(tableLog_tooLarge); /* DTable too small, Huffman tree cannot fit in */
dtd.tableType = 0;
dtd.tableLog = (BYTE)tableLog;
memcpy(DTable, &dtd, sizeof(dtd));
ZSTD_memcpy(DTable, &dtd, sizeof(dtd));
}
/* Compute symbols and rankStart given rankVal:
@ -567,7 +567,7 @@ static void HUF_fillDTableX2Level2(HUF_DEltX2* DTable, U32 sizeLog, const U32 co
U32 rankVal[HUF_TABLELOG_MAX + 1];
/* get pre-calculated rankVal */
memcpy(rankVal, rankValOrigin, sizeof(rankVal));
ZSTD_memcpy(rankVal, rankValOrigin, sizeof(rankVal));
/* fill skipped values */
if (minWeight>1) {
@ -609,7 +609,7 @@ static void HUF_fillDTableX2(HUF_DEltX2* DTable, const U32 targetLog,
const U32 minBits = nbBitsBaseline - maxWeight;
U32 s;
memcpy(rankVal, rankValOrigin, sizeof(rankVal));
ZSTD_memcpy(rankVal, rankValOrigin, sizeof(rankVal));
/* fill DTable */
for (s=0; s<sortedListSize; s++) {
@ -674,11 +674,11 @@ size_t HUF_readDTableX2_wksp(HUF_DTable* DTable,
if ((spaceUsed32 << 2) > wkspSize) return ERROR(tableLog_tooLarge);
rankStart = rankStart0 + 1;
memset(rankStats, 0, sizeof(U32) * (2 * HUF_TABLELOG_MAX + 2 + 1));
ZSTD_memset(rankStats, 0, sizeof(U32) * (2 * HUF_TABLELOG_MAX + 2 + 1));
DEBUG_STATIC_ASSERT(sizeof(HUF_DEltX2) == sizeof(HUF_DTable)); /* if compiler fails here, assertion is wrong */
if (maxTableLog > HUF_TABLELOG_MAX) return ERROR(tableLog_tooLarge);
/* memset(weightList, 0, sizeof(weightList)); */ /* is not necessary, even though some analyzer complain ... */
/* ZSTD_memset(weightList, 0, sizeof(weightList)); */ /* is not necessary, even though some analyzer complain ... */
iSize = HUF_readStats(weightList, HUF_SYMBOLVALUE_MAX + 1, rankStats, &nbSymbols, &tableLog, src, srcSize);
if (HUF_isError(iSize)) return iSize;
@ -737,7 +737,7 @@ size_t HUF_readDTableX2_wksp(HUF_DTable* DTable,
dtd.tableLog = (BYTE)maxTableLog;
dtd.tableType = 1;
memcpy(DTable, &dtd, sizeof(dtd));
ZSTD_memcpy(DTable, &dtd, sizeof(dtd));
return iSize;
}
@ -753,7 +753,7 @@ FORCE_INLINE_TEMPLATE U32
HUF_decodeSymbolX2(void* op, BIT_DStream_t* DStream, const HUF_DEltX2* dt, const U32 dtLog)
{
size_t const val = BIT_lookBitsFast(DStream, dtLog); /* note : dtLog >= 1 */
memcpy(op, dt+val, 2);
ZSTD_memcpy(op, dt+val, 2);
BIT_skipBits(DStream, dt[val].nbBits);
return dt[val].length;
}
@ -762,7 +762,7 @@ FORCE_INLINE_TEMPLATE U32
HUF_decodeLastSymbolX2(void* op, BIT_DStream_t* DStream, const HUF_DEltX2* dt, const U32 dtLog)
{
size_t const val = BIT_lookBitsFast(DStream, dtLog); /* note : dtLog >= 1 */
memcpy(op, dt+val, 1);
ZSTD_memcpy(op, dt+val, 1);
if (dt[val].length==1) BIT_skipBits(DStream, dt[val].nbBits);
else {
if (DStream->bitsConsumed < (sizeof(DStream->bitContainer)*8)) {
@ -1155,8 +1155,8 @@ size_t HUF_decompress (void* dst, size_t dstSize, const void* cSrc, size_t cSrcS
/* validation checks */
if (dstSize == 0) return ERROR(dstSize_tooSmall);
if (cSrcSize > dstSize) return ERROR(corruption_detected); /* invalid */
if (cSrcSize == dstSize) { memcpy(dst, cSrc, dstSize); return dstSize; } /* not compressed */
if (cSrcSize == 1) { memset(dst, *(const BYTE*)cSrc, dstSize); return dstSize; } /* RLE */
if (cSrcSize == dstSize) { ZSTD_memcpy(dst, cSrc, dstSize); return dstSize; } /* not compressed */
if (cSrcSize == 1) { ZSTD_memset(dst, *(const BYTE*)cSrc, dstSize); return dstSize; } /* RLE */
{ U32 const algoNb = HUF_selectDecoder(dstSize, cSrcSize);
#if defined(HUF_FORCE_DECOMPRESS_X1)
@ -1178,8 +1178,8 @@ size_t HUF_decompress4X_DCtx (HUF_DTable* dctx, void* dst, size_t dstSize, const
/* validation checks */
if (dstSize == 0) return ERROR(dstSize_tooSmall);
if (cSrcSize > dstSize) return ERROR(corruption_detected); /* invalid */
if (cSrcSize == dstSize) { memcpy(dst, cSrc, dstSize); return dstSize; } /* not compressed */
if (cSrcSize == 1) { memset(dst, *(const BYTE*)cSrc, dstSize); return dstSize; } /* RLE */
if (cSrcSize == dstSize) { ZSTD_memcpy(dst, cSrc, dstSize); return dstSize; } /* not compressed */
if (cSrcSize == 1) { ZSTD_memset(dst, *(const BYTE*)cSrc, dstSize); return dstSize; } /* RLE */
{ U32 const algoNb = HUF_selectDecoder(dstSize, cSrcSize);
#if defined(HUF_FORCE_DECOMPRESS_X1)
@ -1238,8 +1238,8 @@ size_t HUF_decompress1X_DCtx_wksp(HUF_DTable* dctx, void* dst, size_t dstSize,
/* validation checks */
if (dstSize == 0) return ERROR(dstSize_tooSmall);
if (cSrcSize > dstSize) return ERROR(corruption_detected); /* invalid */
if (cSrcSize == dstSize) { memcpy(dst, cSrc, dstSize); return dstSize; } /* not compressed */
if (cSrcSize == 1) { memset(dst, *(const BYTE*)cSrc, dstSize); return dstSize; } /* RLE */
if (cSrcSize == dstSize) { ZSTD_memcpy(dst, cSrc, dstSize); return dstSize; } /* not compressed */
if (cSrcSize == 1) { ZSTD_memset(dst, *(const BYTE*)cSrc, dstSize); return dstSize; } /* RLE */
{ U32 const algoNb = HUF_selectDecoder(dstSize, cSrcSize);
#if defined(HUF_FORCE_DECOMPRESS_X1)

6
lib/decompress/zstd_ddict.c
View File

@ -14,7 +14,7 @@
/*-*******************************************************
* Dependencies
*********************************************************/
#include "../common/zstd_deps.h" /* memcpy, memmove, memset */
#include "../common/zstd_deps.h" /* ZSTD_memcpy, ZSTD_memmove, ZSTD_memset */
#include "../common/cpu.h" /* bmi2 */
#include "../common/mem.h" /* low level memory routines */
#define FSE_STATIC_LINKING_ONLY
@ -131,7 +131,7 @@ static size_t ZSTD_initDDict_internal(ZSTD_DDict* ddict,
ddict->dictBuffer = internalBuffer;
ddict->dictContent = internalBuffer;
if (!internalBuffer) return ERROR(memory_allocation);
memcpy(internalBuffer, dict, dictSize);
ZSTD_memcpy(internalBuffer, dict, dictSize);
}
ddict->dictSize = dictSize;
ddict->entropy.hufTable[0] = (HUF_DTable)((HufLog)*0x1000001); /* cover both little and big endian */
@ -198,7 +198,7 @@ const ZSTD_DDict* ZSTD_initStaticDDict(
if ((size_t)sBuffer & 7) return NULL; /* 8-aligned */
if (sBufferSize < neededSpace) return NULL;
if (dictLoadMethod == ZSTD_dlm_byCopy) {
memcpy(ddict+1, dict, dictSize); /* local copy */
ZSTD_memcpy(ddict+1, dict, dictSize); /* local copy */
dict = ddict+1;
}
if (ZSTD_isError( ZSTD_initDDict_internal(ddict,

28
lib/decompress/zstd_decompress.c
View File

@ -55,7 +55,7 @@
/*-*******************************************************
* Dependencies
*********************************************************/
#include "../common/zstd_deps.h" /* memcpy, memmove, memset */
#include "../common/zstd_deps.h" /* ZSTD_memcpy, ZSTD_memmove, ZSTD_memset */
#include "../common/cpu.h" /* bmi2 */
#include "../common/mem.h" /* low level memory routines */
#define FSE_STATIC_LINKING_ONLY
@ -181,7 +181,7 @@ size_t ZSTD_freeDCtx(ZSTD_DCtx* dctx)
void ZSTD_copyDCtx(ZSTD_DCtx* dstDCtx, const ZSTD_DCtx* srcDCtx)
{
size_t const toCopy = (size_t)((char*)(&dstDCtx->inBuff) - (char*)dstDCtx);
memcpy(dstDCtx, srcDCtx, toCopy); /* no need to copy workspace */
ZSTD_memcpy(dstDCtx, srcDCtx, toCopy); /* no need to copy workspace */
}
@ -248,7 +248,7 @@ size_t ZSTD_getFrameHeader_advanced(ZSTD_frameHeader* zfhPtr, const void* src, s
const BYTE* ip = (const BYTE*)src;
size_t const minInputSize = ZSTD_startingInputLength(format);
memset(zfhPtr, 0, sizeof(*zfhPtr)); /* not strictly necessary, but static analyzer do not understand that zfhPtr is only going to be read only if return value is zero, since they are 2 different signals */
ZSTD_memset(zfhPtr, 0, sizeof(*zfhPtr)); /* not strictly necessary, but static analyzer do not understand that zfhPtr is only going to be read only if return value is zero, since they are 2 different signals */
if (srcSize < minInputSize) return minInputSize;
RETURN_ERROR_IF(src==NULL, GENERIC, "invalid parameter");
@ -258,7 +258,7 @@ size_t ZSTD_getFrameHeader_advanced(ZSTD_frameHeader* zfhPtr, const void* src, s
/* skippable frame */
if (srcSize < ZSTD_SKIPPABLEHEADERSIZE)
return ZSTD_SKIPPABLEHEADERSIZE; /* magic number + frame length */
memset(zfhPtr, 0, sizeof(*zfhPtr));
ZSTD_memset(zfhPtr, 0, sizeof(*zfhPtr));
zfhPtr->frameContentSize = MEM_readLE32((const char *)src + ZSTD_FRAMEIDSIZE);
zfhPtr->frameType = ZSTD_skippableFrame;
return 0;
@ -464,7 +464,7 @@ static ZSTD_frameSizeInfo ZSTD_errorFrameSizeInfo(size_t ret)
static ZSTD_frameSizeInfo ZSTD_findFrameSizeInfo(const void* src, size_t srcSize)
{
ZSTD_frameSizeInfo frameSizeInfo;
memset(&frameSizeInfo, 0, sizeof(ZSTD_frameSizeInfo));
ZSTD_memset(&frameSizeInfo, 0, sizeof(ZSTD_frameSizeInfo));
#if defined(ZSTD_LEGACY_SUPPORT) && (ZSTD_LEGACY_SUPPORT >= 1)
if (ZSTD_isLegacy(src, srcSize))
@ -587,7 +587,7 @@ static size_t ZSTD_copyRawBlock(void* dst, size_t dstCapacity,
if (srcSize == 0) return 0;
RETURN_ERROR(dstBuffer_null, "");
}
memcpy(dst, src, srcSize);
ZSTD_memcpy(dst, src, srcSize);
return srcSize;
}
@ -600,7 +600,7 @@ static size_t ZSTD_setRleBlock(void* dst, size_t dstCapacity,
if (regenSize == 0) return 0;
RETURN_ERROR(dstBuffer_null, "");
}
memset(dst, b, regenSize);
ZSTD_memset(dst, b, regenSize);
return regenSize;
}
@ -904,21 +904,21 @@ size_t ZSTD_decompressContinue(ZSTD_DCtx* dctx, void* dst, size_t dstCapacity, c
if (dctx->format == ZSTD_f_zstd1) { /* allows header */
assert(srcSize >= ZSTD_FRAMEIDSIZE); /* to read skippable magic number */
if ((MEM_readLE32(src) & ZSTD_MAGIC_SKIPPABLE_MASK) == ZSTD_MAGIC_SKIPPABLE_START) { /* skippable frame */
memcpy(dctx->headerBuffer, src, srcSize);
ZSTD_memcpy(dctx->headerBuffer, src, srcSize);
dctx->expected = ZSTD_SKIPPABLEHEADERSIZE - srcSize; /* remaining to load to get full skippable frame header */
dctx->stage = ZSTDds_decodeSkippableHeader;
return 0;
} }
dctx->headerSize = ZSTD_frameHeaderSize_internal(src, srcSize, dctx->format);
if (ZSTD_isError(dctx->headerSize)) return dctx->headerSize;
memcpy(dctx->headerBuffer, src, srcSize);
ZSTD_memcpy(dctx->headerBuffer, src, srcSize);
dctx->expected = dctx->headerSize - srcSize;
dctx->stage = ZSTDds_decodeFrameHeader;
return 0;
case ZSTDds_decodeFrameHeader:
assert(src != NULL);
memcpy(dctx->headerBuffer + (dctx->headerSize - srcSize), src, srcSize);
ZSTD_memcpy(dctx->headerBuffer + (dctx->headerSize - srcSize), src, srcSize);
FORWARD_IF_ERROR(ZSTD_decodeFrameHeader(dctx, dctx->headerBuffer, dctx->headerSize), "");
dctx->expected = ZSTD_blockHeaderSize;
dctx->stage = ZSTDds_decodeBlockHeader;
@ -1027,7 +1027,7 @@ size_t ZSTD_decompressContinue(ZSTD_DCtx* dctx, void* dst, size_t dstCapacity, c
case ZSTDds_decodeSkippableHeader:
assert(src != NULL);
assert(srcSize <= ZSTD_SKIPPABLEHEADERSIZE);
memcpy(dctx->headerBuffer + (ZSTD_SKIPPABLEHEADERSIZE - srcSize), src, srcSize); /* complete skippable header */
ZSTD_memcpy(dctx->headerBuffer + (ZSTD_SKIPPABLEHEADERSIZE - srcSize), src, srcSize); /* complete skippable header */
dctx->expected = MEM_readLE32(dctx->headerBuffer + ZSTD_FRAMEIDSIZE); /* note : dctx->expected can grow seriously large, beyond local buffer size */
dctx->stage = ZSTDds_skipFrame;
return 0;
@ -1184,7 +1184,7 @@ size_t ZSTD_decompressBegin(ZSTD_DCtx* dctx)
dctx->dictID = 0;
dctx->bType = bt_reserved;
ZSTD_STATIC_ASSERT(sizeof(dctx->entropy.rep) == sizeof(repStartValue));
memcpy(dctx->entropy.rep, repStartValue, sizeof(repStartValue)); /* initial repcodes */
ZSTD_memcpy(dctx->entropy.rep, repStartValue, sizeof(repStartValue)); /* initial repcodes */
dctx->LLTptr = dctx->entropy.LLTable;
dctx->MLTptr = dctx->entropy.MLTable;
dctx->OFTptr = dctx->entropy.OFTable;
@ -1685,14 +1685,14 @@ size_t ZSTD_decompressStream(ZSTD_DStream* zds, ZSTD_outBuffer* output, ZSTD_inB
assert(iend >= ip);
if (toLoad > remainingInput) { /* not enough input to load full header */
if (remainingInput > 0) {
memcpy(zds->headerBuffer + zds->lhSize, ip, remainingInput);
ZSTD_memcpy(zds->headerBuffer + zds->lhSize, ip, remainingInput);
zds->lhSize += remainingInput;
}
input->pos = input->size;
return (MAX((size_t)ZSTD_FRAMEHEADERSIZE_MIN(zds->format), hSize) - zds->lhSize) + ZSTD_blockHeaderSize; /* remaining header bytes + next block header */
}
assert(ip != NULL);
memcpy(zds->headerBuffer + zds->lhSize, ip, toLoad); zds->lhSize = hSize; ip += toLoad;
ZSTD_memcpy(zds->headerBuffer + zds->lhSize, ip, toLoad); zds->lhSize = hSize; ip += toLoad;
break;
} }

26
lib/decompress/zstd_decompress_block.c
View File

@ -14,7 +14,7 @@
/*-*******************************************************
* Dependencies
*********************************************************/
#include "../common/zstd_deps.h" /* memcpy, memmove, memset */
#include "../common/zstd_deps.h" /* ZSTD_memcpy, ZSTD_memmove, ZSTD_memset */
#include "../common/compiler.h" /* prefetch */
#include "../common/cpu.h" /* bmi2 */
#include "../common/mem.h" /* low level memory routines */
@ -44,7 +44,7 @@
/*_*******************************************************
* Memory operations
**********************************************************/
static void ZSTD_copy4(void* dst, const void* src) { memcpy(dst, src, 4); }
static void ZSTD_copy4(void* dst, const void* src) { ZSTD_memcpy(dst, src, 4); }
/*-*************************************************************
@ -166,7 +166,7 @@ size_t ZSTD_decodeLiteralsBlock(ZSTD_DCtx* dctx,
dctx->litSize = litSize;
dctx->litEntropy = 1;
if (litEncType==set_compressed) dctx->HUFptr = dctx->entropy.hufTable;
memset(dctx->litBuffer + dctx->litSize, 0, WILDCOPY_OVERLENGTH);
ZSTD_memset(dctx->litBuffer + dctx->litSize, 0, WILDCOPY_OVERLENGTH);
return litCSize + lhSize;
}
@ -191,10 +191,10 @@ size_t ZSTD_decodeLiteralsBlock(ZSTD_DCtx* dctx,
if (lhSize+litSize+WILDCOPY_OVERLENGTH > srcSize) { /* risk reading beyond src buffer with wildcopy */
RETURN_ERROR_IF(litSize+lhSize > srcSize, corruption_detected, "");
memcpy(dctx->litBuffer, istart+lhSize, litSize);
ZSTD_memcpy(dctx->litBuffer, istart+lhSize, litSize);
dctx->litPtr = dctx->litBuffer;
dctx->litSize = litSize;
memset(dctx->litBuffer + dctx->litSize, 0, WILDCOPY_OVERLENGTH);
ZSTD_memset(dctx->litBuffer + dctx->litSize, 0, WILDCOPY_OVERLENGTH);
return lhSize+litSize;
}
/* direct reference into compressed stream */
@ -223,7 +223,7 @@ size_t ZSTD_decodeLiteralsBlock(ZSTD_DCtx* dctx,
break;
}
RETURN_ERROR_IF(litSize > ZSTD_BLOCKSIZE_MAX, corruption_detected, "");
memset(dctx->litBuffer, istart[lhSize], litSize + WILDCOPY_OVERLENGTH);
ZSTD_memset(dctx->litBuffer, istart[lhSize], litSize + WILDCOPY_OVERLENGTH);
dctx->litPtr = dctx->litBuffer;
dctx->litSize = litSize;
return lhSize+1;
@ -399,7 +399,7 @@ void ZSTD_buildFSETable_body(ZSTD_seqSymbol* dt,
assert(normalizedCounter[s]>=0);
symbolNext[s] = (U16)normalizedCounter[s];
} } }
memcpy(dt, &DTableH, sizeof(DTableH));
ZSTD_memcpy(dt, &DTableH, sizeof(DTableH));
}
/* Spread symbols */
@ -790,12 +790,12 @@ size_t ZSTD_execSequenceEnd(BYTE* op,
RETURN_ERROR_IF(sequence.offset > (size_t)(oLitEnd - virtualStart), corruption_detected, "");
match = dictEnd - (prefixStart-match);
if (match + sequence.matchLength <= dictEnd) {
memmove(oLitEnd, match, sequence.matchLength);
ZSTD_memmove(oLitEnd, match, sequence.matchLength);
return sequenceLength;
}
/* span extDict & currentPrefixSegment */
{ size_t const length1 = dictEnd - match;
memmove(oLitEnd, match, length1);
ZSTD_memmove(oLitEnd, match, length1);
op = oLitEnd + length1;
sequence.matchLength -= length1;
match = prefixStart;
@ -856,12 +856,12 @@ size_t ZSTD_execSequence(BYTE* op,
RETURN_ERROR_IF(UNLIKELY(sequence.offset > (size_t)(oLitEnd - virtualStart)), corruption_detected, "");
match = dictEnd + (match - prefixStart);
if (match + sequence.matchLength <= dictEnd) {
memmove(oLitEnd, match, sequence.matchLength);
ZSTD_memmove(oLitEnd, match, sequence.matchLength);
return sequenceLength;
}
/* span extDict & currentPrefixSegment */
{ size_t const length1 = dictEnd - match;
memmove(oLitEnd, match, length1);
ZSTD_memmove(oLitEnd, match, length1);
op = oLitEnd + length1;
sequence.matchLength -= length1;
match = prefixStart;
@ -1212,7 +1212,7 @@ ZSTD_decompressSequences_body( ZSTD_DCtx* dctx,
{ size_t const lastLLSize = litEnd - litPtr;
RETURN_ERROR_IF(lastLLSize > (size_t)(oend-op), dstSize_tooSmall, "");
if (op != NULL) {
memcpy(op, litPtr, lastLLSize);
ZSTD_memcpy(op, litPtr, lastLLSize);
op += lastLLSize;
}
}
@ -1317,7 +1317,7 @@ ZSTD_decompressSequencesLong_body(
{ size_t const lastLLSize = litEnd - litPtr;
RETURN_ERROR_IF(lastLLSize > (size_t)(oend-op), dstSize_tooSmall, "");
if (op != NULL) {
memcpy(op, litPtr, lastLLSize);
ZSTD_memcpy(op, litPtr, lastLLSize);
op += lastLLSize;
}
}