AuroraMiddleware/zstd
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removed msan tests, due to issues with datagen.c

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This commit is contained in:
Yann Collet 2016-06-06 19:42:47 +02:00
parent c28f9e2713
commit f72dc6091b
2 changed files with 28 additions and 22 deletions
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3
.travis.yml
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@ -22,9 +22,6 @@ matrix:
- os: linux
sudo: false
env: PLATFORM="Ubuntu 12.04 container" MAKE_PARAM=asan
- os: linux
sudo: false
env: PLATFORM="Ubuntu 12.04 container" MAKE_PARAM=msan
- os: linux
sudo: false
env: PLATFORM="Ubuntu 12.04 container" MAKE_PARAM=zlibwrapper

45
programs/datagen.c
View File

@ -27,9 +27,9 @@
* Includes
**************************************/
#include <stdlib.h> /* malloc */
#include <stdio.h> /* FILE, fwrite */
#include <stdio.h> /* FILE, fwrite, fprintf */
#include <string.h> /* memcpy */
#include "mem.h"
#include "mem.h" /* U32 */
/*-************************************
@ -108,43 +108,52 @@ static BYTE RDG_genChar(U32* seed, const BYTE* ldt)
}
#define RDG_RAND15BITS ( RDG_rand(seed) & 0x7FFF )
#define RDG_RANDLENGTH ( (RDG_rand(seed) & 7) ? (RDG_rand(seed) & 0xF) : (RDG_rand(seed) & 0x1FF) + 0xF)
static U32 RDG_rand15Bits (unsigned* seedPtr)
{
return RDG_rand(seedPtr) & 0x7FFF;
}
static U32 RDG_randLength(unsigned* seedPtr)
{
if (RDG_rand(seedPtr) & 7)
return (RDG_rand(seedPtr) & 0xF);
return (RDG_rand(seedPtr) & 0x1FF) + 0xF;
}
void RDG_genBlock(void* buffer, size_t buffSize, size_t prefixSize, double matchProba, const BYTE* ldt, unsigned* seedPtr)
{
BYTE* buffPtr = (BYTE*)buffer;
const U32 matchProba32 = (U32)(32768 * matchProba);
BYTE* const buffPtr = (BYTE*)buffer;
U32 const matchProba32 = (U32)(32768 * matchProba);
size_t pos = prefixSize;
U32* seed = seedPtr;
U32 prevOffset = 1;
/* special case : sparse content */
while (matchProba >= 1.0) {
size_t size0 = RDG_rand(seed) & 3;
size_t size0 = RDG_rand(seedPtr) & 3;
size0 = (size_t)1 << (16 + size0 * 2);
size0 += RDG_rand(seed) & (size0-1); /* because size0 is power of 2*/
size0 += RDG_rand(seedPtr) & (size0-1); /* because size0 is power of 2*/
if (buffSize < pos + size0) {
memset(buffPtr+pos, 0, buffSize-pos);
return;
}
memset(buffPtr+pos, 0, size0);
pos += size0;
buffPtr[pos-1] = RDG_genChar(seed, ldt);
buffPtr[pos-1] = RDG_genChar(seedPtr, ldt);
continue;
}
/* init */
if (pos==0) buffPtr[0] = RDG_genChar(seed, ldt), pos=1;
if (pos==0) buffPtr[0] = RDG_genChar(seedPtr, ldt), pos=1;
/* Generate compressible data */
while (pos < buffSize) {
/* Select : Literal (char) or Match (within 32K) */
if (RDG_RAND15BITS < matchProba32) {
if (RDG_rand15Bits(seedPtr) < matchProba32) {
/* Copy (within 32K) */
U32 const length = RDG_RANDLENGTH + 4;
U32 const length = RDG_randLength(seedPtr) + 4;
U32 const d = (U32) MIN(pos + length , buffSize);
U32 const repeatOffset = (RDG_rand(seed) & 15) == 2;
U32 const randOffset = RDG_RAND15BITS + 1;
U32 const repeatOffset = (RDG_rand(seedPtr) & 15) == 2;
U32 const randOffset = RDG_rand15Bits(seedPtr) + 1;
U32 const offset = repeatOffset ? prevOffset : (U32) MIN(randOffset , pos);
size_t match = pos - offset;
//TRACE("pos : %u; offset: %u ; length : %u \n", (U32)pos, offset, length);
@ -152,9 +161,9 @@ void RDG_genBlock(void* buffer, size_t buffSize, size_t prefixSize, double match
prevOffset = offset;
} else {
/* Literal (noise) */
U32 const length = RDG_RANDLENGTH;
U32 const length = RDG_randLength(seedPtr);
U32 const d = (U32) MIN(pos + length, buffSize);
while (pos < d) buffPtr[pos++] = RDG_genChar(seed, ldt);
while (pos < d) buffPtr[pos++] = RDG_genChar(seedPtr, ldt);
} }
}
@ -174,7 +183,7 @@ void RDG_genStdout(unsigned long long size, double matchProba, double litProba,
{
size_t const stdBlockSize = 128 KB;
size_t const stdDictSize = 32 KB;
BYTE* buff = (BYTE*)malloc(stdDictSize + stdBlockSize);
BYTE* const buff = (BYTE*)malloc(stdDictSize + stdBlockSize);
U64 total = 0;
BYTE ldt[LTSIZE];