Corrected lz4io

This commit is contained in:
Yann Collet 2014-11-23 01:14:04 +01:00
parent b3b207c4db
commit 2ad37dbe58
4 changed files with 12 additions and 5 deletions

11
lz4.c
View File

@ -44,7 +44,7 @@
/*
* CPU_HAS_EFFICIENT_UNALIGNED_MEMORY_ACCESS :
* You can force the code to use unaligned memory access if you know your CPU can handle it.
* You can force the code to use unaligned memory access if you know your CPU can handle it efficiently.
*/
/* #define CPU_HAS_EFFICIENT_UNALIGNED_MEMORY_ACCESS 1 */
@ -58,7 +58,9 @@
#if defined(CPU_HAS_EFFICIENT_UNALIGNED_MEMORY_ACCESS) \
|| defined(__ARM_FEATURE_UNALIGNED) \
|| defined(__i386__) || defined(__x86_64__) \
|| defined(_M_IX86) || defined(_M_X64)
|| defined(_M_IX86) || defined(_M_X64) \
|| defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_8__) \
|| (defined(_M_ARM) && (_M_ARM >= 7))
# define LZ4_UNALIGNED_ACCESS 1
#else
# define LZ4_UNALIGNED_ACCESS 0
@ -153,6 +155,7 @@ static U16 LZ4_readLE16(const void* memPtr)
{
if ((LZ4_UNALIGNED_ACCESS) && (LZ4_isLittleEndian()))
return *(U16*)memPtr;
else
{
const BYTE* p = memPtr;
return (U16)((U16)p[0] + (p[1]<<8));
@ -166,6 +169,7 @@ static void LZ4_writeLE16(void* memPtr, U16 value)
*(U16*)memPtr = value;
return;
}
else
{
BYTE* p = memPtr;
p[0] = (BYTE) value;
@ -202,6 +206,7 @@ static void LZ4_copy4(void* dstPtr, const void* srcPtr)
*(U32*)dstPtr = *(U32*)srcPtr;
return;
}
else
{
BYTE* d = dstPtr;
const BYTE* s = srcPtr;
@ -216,6 +221,7 @@ static U64 LZ4_readLE64(const void* memPtr)
{
if ((LZ4_UNALIGNED_ACCESS) && (LZ4_isLittleEndian()))
return *(U64*)memPtr;
else
{
const BYTE* p = memPtr;
return (U64)((U64)p[0] + (p[1]<<8) + (p[2]<<16) + ((U64)p[3]<<24) +
@ -249,6 +255,7 @@ static void LZ4_copy8(void* dstPtr, const void* srcPtr)
((U32*)dstPtr)[1] = ((U32*)srcPtr)[1];
return;
}
else
{
BYTE* d = dstPtr;
const BYTE* s = srcPtr;

2
lz4.h
View File

@ -48,7 +48,7 @@ extern "C" {
**************************************/
#define LZ4_VERSION_MAJOR 1 /* for major interface/format changes */
#define LZ4_VERSION_MINOR 4 /* for minor interface/format changes */
#define LZ4_VERSION_RELEASE 0 /* for tweaks, bug-fixes, or development */
#define LZ4_VERSION_RELEASE 1 /* for tweaks, bug-fixes, or development */
#define LZ4_VERSION_NUMBER (LZ4_VERSION_MAJOR *100*100 + LZ4_VERSION_MINOR *100 + LZ4_VERSION_RELEASE)
int LZ4_versionNumber (void);

View File

@ -113,7 +113,7 @@
//****************************
#define COMPRESSOR_NAME "LZ4 Compression CLI"
#ifndef LZ4_VERSION
# define LZ4_VERSION "r122"
# define LZ4_VERSION "r125"
#endif
#define AUTHOR "Yann Collet"
#define WELCOME_MESSAGE "*** %s %i-bits %s, by %s (%s) ***\n", COMPRESSOR_NAME, (int)(sizeof(void*)*8), LZ4_VERSION, AUTHOR, __DATE__

View File

@ -357,7 +357,7 @@ int LZ4IO_compressFilename_Legacy(char* input_filename, char* output_filename, i
static void* LZ4IO_LZ4_createStream (const char* inputBuffer)
{
(void)inputBuffer;
return calloc(4, LZ4_STREAMSIZE_U32);
return calloc(8, LZ4_STREAMSIZE_U64);
}
static int LZ4IO_LZ4_compress_limitedOutput_continue (void* ctx, const char* source, char* dest, int inputSize, int maxOutputSize, int compressionLevel)