AuroraMiddleware/lz4
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

use byU32 mode for any pointer > 32-bit

Browse Source 
including 128-bit, like IBM AS-400
This commit is contained in:
Yann Collet 2018-09-14 14:58:16 -07:00
parent c820480e12
commit 6103b4c9b4
1 changed files with 12 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
lib/lz4.c
View File

@ -1094,23 +1094,25 @@ int LZ4_compress_fast(const char* source, char* dest, int inputSize, int maxOutp
}
int LZ4_compress_default(const char* source, char* dest, int inputSize, int maxOutputSize)
int LZ4_compress_default(const char* src, char* dst, int srcSize, int maxOutputSize)
{
return LZ4_compress_fast(source, dest, inputSize, maxOutputSize, 1);
return LZ4_compress_fast(src, dst, srcSize, maxOutputSize, 1);
}
/* hidden debug function */
/* strangely enough, gcc generates faster code when this function is uncommented, even if unused */
int LZ4_compress_fast_force(const char* source, char* dest, int inputSize, int maxOutputSize, int acceleration)
int LZ4_compress_fast_force(const char* src, char* dst, int srcSize, int dstCapacity, int acceleration)
{
LZ4_stream_t ctx;
LZ4_resetStream(&ctx);
if (inputSize < LZ4_64Klimit)
return LZ4_compress_generic(&ctx.internal_donotuse, source, dest, inputSize, NULL, maxOutputSize, limitedOutput, byU16, noDict, noDictIssue, acceleration);
else
return LZ4_compress_generic(&ctx.internal_donotuse, source, dest, inputSize, NULL, maxOutputSize, limitedOutput, sizeof(void*)==8 ? byU32 : byPtr, noDict, noDictIssue, acceleration);
if (srcSize < LZ4_64Klimit) {
return LZ4_compress_generic(&ctx.internal_donotuse, src, dst, srcSize, NULL, dstCapacity, limitedOutput, byU16, noDict, noDictIssue, acceleration);
} else {
tableType_t const addrMode = (sizeof(void*) > 4) ? byU32 : byPtr;
return LZ4_compress_generic(&ctx.internal_donotuse, src, dst, srcSize, NULL, dstCapacity, limitedOutput, addrMode, noDict, noDictIssue, acceleration);
}
}
@ -1127,8 +1129,8 @@ static int LZ4_compress_destSize_extState (LZ4_stream_t* state, const char* src,
if (*srcSizePtr < LZ4_64Klimit) {
return LZ4_compress_generic(&state->internal_donotuse, src, dst, *srcSizePtr, srcSizePtr, targetDstSize, fillOutput, byU16, noDict, noDictIssue, 1);
} else {
tableType_t const tableType = ((sizeof(void*)==4) && ((uptrval)src > MAX_DISTANCE)) ? byPtr : byU32;
return LZ4_compress_generic(&state->internal_donotuse, src, dst, *srcSizePtr, srcSizePtr, targetDstSize, fillOutput, tableType, noDict, noDictIssue, 1);
tableType_t const addrMode = ((sizeof(void*)==4) && ((uptrval)src > MAX_DISTANCE)) ? byPtr : byU32;
return LZ4_compress_generic(&state->internal_donotuse, src, dst, *srcSizePtr, srcSizePtr, targetDstSize, fillOutput, addrMode, noDict, noDictIssue, 1);
} }
}
@ -1159,7 +1161,7 @@ int LZ4_compress_destSize(const char* src, char* dst, int* srcSizePtr, int targe
LZ4_stream_t* LZ4_createStream(void)
{
LZ4_stream_t* lz4s = (LZ4_stream_t*)ALLOC(sizeof(LZ4_stream_t));
LZ4_stream_t* const lz4s = (LZ4_stream_t*)ALLOC(sizeof(LZ4_stream_t));
LZ4_STATIC_ASSERT(LZ4_STREAMSIZE >= sizeof(LZ4_stream_t_internal)); /* A compilation error here means LZ4_STREAMSIZE is not large enough */
DEBUGLOG(4, "LZ4_createStream %p", lz4s);
if (lz4s == NULL) return NULL;