+++ /dev/null
-/*
- * Copyright (c) Yann Collet, Facebook, Inc.
- * All rights reserved.
- *
- * This source code is licensed under both the BSD-style license (found in the
- * LICENSE file in the root directory of this source tree) and the GPLv2 (found
- * in the COPYING file in the root directory of this source tree).
- * You may select, at your option, one of the above-listed licenses.
- */
-
-
-/*-************************************
-* Compiler specific
-**************************************/
-#ifdef _MSC_VER /* Visual Studio */
-# define _CRT_SECURE_NO_WARNINGS /* fgets */
-# pragma warning(disable : 4127) /* disable: C4127: conditional expression is constant */
-# pragma warning(disable : 4146) /* disable: C4146: minus unsigned expression */
-#endif
-
-
-/*-************************************
-* Includes
-**************************************/
-#include <stdlib.h> /* free */
-#include <stdio.h> /* fgets, sscanf */
-#include <string.h> /* strcmp */
-#include "timefn.h" /* UTIL_time_t */
-#include "mem.h"
-#define ZSTD_STATIC_LINKING_ONLY /* ZSTD_maxCLevel */
-#include "zstd.h" /* ZSTD_compressBound */
-#define ZBUFF_STATIC_LINKING_ONLY /* ZBUFF_createCCtx_advanced */
-#include "zbuff.h" /* ZBUFF_isError */
-#include "datagen.h" /* RDG_genBuffer */
-#define XXH_STATIC_LINKING_ONLY
-#include "xxhash.h" /* XXH64_* */
-#include "util.h"
-#include "assert.h"
-
-
-/*-************************************
-* Constants
-**************************************/
-#define KB *(1U<<10)
-#define MB *(1U<<20)
-#define GB *(1U<<30)
-
-static const U32 nbTestsDefault = 10000;
-#define COMPRESSIBLE_NOISE_LENGTH (10 MB)
-#define FUZ_COMPRESSIBILITY_DEFAULT 50
-static const U32 prime1 = 2654435761U;
-static const U32 prime2 = 2246822519U;
-
-
-
-/*-************************************
-* Display Macros
-**************************************/
-#define DISPLAY(...) fprintf(stderr, __VA_ARGS__)
-#define DISPLAYLEVEL(l, ...) if (g_displayLevel>=l) { DISPLAY(__VA_ARGS__); }
-static U32 g_displayLevel = 2;
-
-static const U64 g_refreshRate = SEC_TO_MICRO / 6;
-static UTIL_time_t g_displayClock = UTIL_TIME_INITIALIZER;
-
-#define DISPLAYUPDATE(l, ...) if (g_displayLevel>=l) { \
- if ((UTIL_clockSpanMicro(g_displayClock) > g_refreshRate) || (g_displayLevel>=4)) \
- { g_displayClock = UTIL_getTime(); DISPLAY(__VA_ARGS__); \
- if (g_displayLevel>=4) fflush(stderr); } }
-
-static U64 g_clockTime = 0;
-
-
-/*-*******************************************************
-* Fuzzer functions
-*********************************************************/
-#undef MIN
-#undef MAX
-#define MIN(a,b) ((a)<(b)?(a):(b))
-#define MAX(a,b) ((a)>(b)?(a):(b))
-/*! FUZ_rand() :
- @return : a 27 bits random value, from a 32-bits `seed`.
- `seed` is also modified */
-# define FUZ_rotl32(x,r) ((x << r) | (x >> (32 - r)))
-static unsigned int FUZ_rand(unsigned int* seedPtr)
-{
- U32 rand32 = *seedPtr;
- rand32 *= prime1;
- rand32 += prime2;
- rand32 = FUZ_rotl32(rand32, 13);
- *seedPtr = rand32;
- return rand32 >> 5;
-}
-
-
-/*
-static unsigned FUZ_highbit32(U32 v32)
-{
- unsigned nbBits = 0;
- if (v32==0) return 0;
- for ( ; v32 ; v32>>=1) nbBits++;
- return nbBits;
-}
-*/
-
-static void* ZBUFF_allocFunction(void* opaque, size_t size)
-{
- void* address = malloc(size);
- (void)opaque;
- /* DISPLAYLEVEL(4, "alloc %p, %d opaque=%p \n", address, (int)size, opaque); */
- return address;
-}
-
-static void ZBUFF_freeFunction(void* opaque, void* address)
-{
- (void)opaque;
- /* if (address) DISPLAYLEVEL(4, "free %p opaque=%p \n", address, opaque); */
- free(address);
-}
-
-static int basicUnitTests(U32 seed, double compressibility, ZSTD_customMem customMem)
-{
- int testResult = 0;
- size_t CNBufferSize = COMPRESSIBLE_NOISE_LENGTH;
- void* CNBuffer = malloc(CNBufferSize);
- size_t const skippableFrameSize = 11;
- size_t const compressedBufferSize = (8 + skippableFrameSize) + ZSTD_compressBound(COMPRESSIBLE_NOISE_LENGTH);
- void* compressedBuffer = malloc(compressedBufferSize);
- size_t const decodedBufferSize = CNBufferSize;
- void* decodedBuffer = malloc(decodedBufferSize);
- size_t cSize, readSize, readSkipSize, genSize;
- U32 testNb=0;
- ZBUFF_CCtx* zc = ZBUFF_createCCtx_advanced(customMem);
- ZBUFF_DCtx* zd = ZBUFF_createDCtx_advanced(customMem);
-
- /* Create compressible test buffer */
- if (!CNBuffer || !compressedBuffer || !decodedBuffer || !zc || !zd) {
- DISPLAY("Not enough memory, aborting\n");
- goto _output_error;
- }
- RDG_genBuffer(CNBuffer, CNBufferSize, compressibility, 0., seed);
-
- /* generate skippable frame */
- MEM_writeLE32(compressedBuffer, ZSTD_MAGIC_SKIPPABLE_START);
- MEM_writeLE32(((char*)compressedBuffer)+4, (U32)skippableFrameSize);
- cSize = skippableFrameSize + 8;
-
- /* Basic compression test */
- DISPLAYLEVEL(4, "test%3i : compress %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH);
- ZBUFF_compressInitDictionary(zc, CNBuffer, 128 KB, 1);
- readSize = CNBufferSize;
- genSize = compressedBufferSize;
- { size_t const r = ZBUFF_compressContinue(zc, ((char*)compressedBuffer)+cSize, &genSize, CNBuffer, &readSize);
- if (ZBUFF_isError(r)) goto _output_error; }
- if (readSize != CNBufferSize) goto _output_error; /* entire input should be consumed */
- cSize += genSize;
- genSize = compressedBufferSize - cSize;
- { size_t const r = ZBUFF_compressEnd(zc, ((char*)compressedBuffer)+cSize, &genSize);
- if (r != 0) goto _output_error; } /* error, or some data not flushed */
- cSize += genSize;
- DISPLAYLEVEL(4, "OK (%u bytes : %.2f%%)\n", (U32)cSize, (double)cSize/COMPRESSIBLE_NOISE_LENGTH*100);
-
- /* skippable frame test */
- DISPLAYLEVEL(4, "test%3i : decompress skippable frame : ", testNb++);
- ZBUFF_decompressInitDictionary(zd, CNBuffer, 128 KB);
- readSkipSize = cSize;
- genSize = CNBufferSize;
- { size_t const r = ZBUFF_decompressContinue(zd, decodedBuffer, &genSize, compressedBuffer, &readSkipSize);
- if (r != 0) goto _output_error; }
- if (genSize != 0) goto _output_error; /* skippable frame len is 0 */
- DISPLAYLEVEL(4, "OK \n");
-
- /* Basic decompression test */
- DISPLAYLEVEL(4, "test%3i : decompress %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH);
- ZBUFF_decompressInitDictionary(zd, CNBuffer, 128 KB);
- readSize = cSize - readSkipSize;
- genSize = CNBufferSize;
- { size_t const r = ZBUFF_decompressContinue(zd, decodedBuffer, &genSize, ((char*)compressedBuffer)+readSkipSize, &readSize);
- if (r != 0) goto _output_error; } /* should reach end of frame == 0; otherwise, some data left, or an error */
- if (genSize != CNBufferSize) goto _output_error; /* should regenerate the same amount */
- if (readSize+readSkipSize != cSize) goto _output_error; /* should have read the entire frame */
- DISPLAYLEVEL(4, "OK \n");
-
- DISPLAYLEVEL(4, "test%3i : ZBUFF_recommendedCInSize : ", testNb++); { assert(ZBUFF_recommendedCInSize() != 0); } DISPLAYLEVEL(4, "OK \n");
- DISPLAYLEVEL(4, "test%3i : ZBUFF_recommendedCOutSize : ", testNb++); { assert(ZBUFF_recommendedCOutSize() != 0); } DISPLAYLEVEL(4, "OK \n");
- DISPLAYLEVEL(4, "test%3i : ZBUFF_recommendedDInSize : ", testNb++); { assert(ZBUFF_recommendedDInSize() != 0); } DISPLAYLEVEL(4, "OK \n");
- DISPLAYLEVEL(4, "test%3i : ZBUFF_recommendedDOutSize : ", testNb++); { assert(ZBUFF_recommendedDOutSize() != 0); } DISPLAYLEVEL(4, "OK \n");
-
- /* check regenerated data is byte exact */
- DISPLAYLEVEL(4, "test%3i : check decompressed result : ", testNb++);
- { size_t i;
- for (i=0; i<CNBufferSize; i++) {
- if (((BYTE*)decodedBuffer)[i] != ((BYTE*)CNBuffer)[i]) goto _output_error;
- } }
- DISPLAYLEVEL(4, "OK \n");
-
- /* Byte-by-byte decompression test */
- DISPLAYLEVEL(4, "test%3i : decompress byte-by-byte : ", testNb++);
- { size_t r, pIn=0, pOut=0;
- do
- { ZBUFF_decompressInitDictionary(zd, CNBuffer, 128 KB);
- r = 1;
- while (r) {
- size_t inS = 1;
- size_t outS = 1;
- r = ZBUFF_decompressContinue(zd, ((BYTE*)decodedBuffer)+pOut, &outS, ((BYTE*)compressedBuffer)+pIn, &inS);
- pIn += inS;
- pOut += outS;
- }
- readSize = pIn;
- genSize = pOut;
- } while (genSize==0);
- }
- if (genSize != CNBufferSize) goto _output_error; /* should regenerate the same amount */
- if (readSize != cSize) goto _output_error; /* should have read the entire frame */
- DISPLAYLEVEL(4, "OK \n");
-
- /* check regenerated data is byte exact */
- DISPLAYLEVEL(4, "test%3i : check decompressed result : ", testNb++);
- { size_t i;
- for (i=0; i<CNBufferSize; i++) {
- if (((BYTE*)decodedBuffer)[i] != ((BYTE*)CNBuffer)[i]) goto _output_error;
- } }
- DISPLAYLEVEL(4, "OK \n");
-
-_end:
- ZBUFF_freeCCtx(zc);
- ZBUFF_freeDCtx(zd);
- free(CNBuffer);
- free(compressedBuffer);
- free(decodedBuffer);
- return testResult;
-
-_output_error:
- testResult = 1;
- DISPLAY("Error detected in Unit tests ! \n");
- goto _end;
-}
-
-
-static size_t findDiff(const void* buf1, const void* buf2, size_t max)
-{
- const BYTE* b1 = (const BYTE*)buf1;
- const BYTE* b2 = (const BYTE*)buf2;
- size_t u;
- for (u=0; u<max; u++) {
- if (b1[u] != b2[u]) break;
- }
- return u;
-}
-
-static size_t FUZ_rLogLength(U32* seed, U32 logLength)
-{
- size_t const lengthMask = ((size_t)1 << logLength) - 1;
- return (lengthMask+1) + (FUZ_rand(seed) & lengthMask);
-}
-
-static size_t FUZ_randomLength(U32* seed, U32 maxLog)
-{
- U32 const logLength = FUZ_rand(seed) % maxLog;
- return FUZ_rLogLength(seed, logLength);
-}
-
-#define CHECK(cond, ...) if (cond) { DISPLAY("Error => "); DISPLAY(__VA_ARGS__); \
- DISPLAY(" (seed %u, test nb %u) \n", seed, testNb); goto _output_error; }
-
-static int fuzzerTests(U32 seed, U32 nbTests, unsigned startTest, double compressibility)
-{
- static const U32 maxSrcLog = 24;
- static const U32 maxSampleLog = 19;
- BYTE* cNoiseBuffer[5];
- size_t const srcBufferSize = (size_t)1<<maxSrcLog;
- BYTE* copyBuffer;
- size_t const copyBufferSize= srcBufferSize + (1<<maxSampleLog);
- BYTE* cBuffer;
- size_t const cBufferSize = ZSTD_compressBound(srcBufferSize);
- BYTE* dstBuffer;
- size_t dstBufferSize = srcBufferSize;
- U32 result = 0;
- U32 testNb = 0;
- U32 coreSeed = seed;
- ZBUFF_CCtx* zc;
- ZBUFF_DCtx* zd;
- UTIL_time_t startClock = UTIL_getTime();
-
- /* allocations */
- zc = ZBUFF_createCCtx();
- zd = ZBUFF_createDCtx();
- cNoiseBuffer[0] = (BYTE*)malloc (srcBufferSize);
- cNoiseBuffer[1] = (BYTE*)malloc (srcBufferSize);
- cNoiseBuffer[2] = (BYTE*)malloc (srcBufferSize);
- cNoiseBuffer[3] = (BYTE*)malloc (srcBufferSize);
- cNoiseBuffer[4] = (BYTE*)malloc (srcBufferSize);
- copyBuffer= (BYTE*)malloc (copyBufferSize);
- dstBuffer = (BYTE*)malloc (dstBufferSize);
- cBuffer = (BYTE*)malloc (cBufferSize);
- CHECK (!cNoiseBuffer[0] || !cNoiseBuffer[1] || !cNoiseBuffer[2] || !cNoiseBuffer[3] || !cNoiseBuffer[4] ||
- !copyBuffer || !dstBuffer || !cBuffer || !zc || !zd,
- "Not enough memory, fuzzer tests cancelled");
-
- /* Create initial samples */
- RDG_genBuffer(cNoiseBuffer[0], srcBufferSize, 0.00, 0., coreSeed); /* pure noise */
- RDG_genBuffer(cNoiseBuffer[1], srcBufferSize, 0.05, 0., coreSeed); /* barely compressible */
- RDG_genBuffer(cNoiseBuffer[2], srcBufferSize, compressibility, 0., coreSeed);
- RDG_genBuffer(cNoiseBuffer[3], srcBufferSize, 0.95, 0., coreSeed); /* highly compressible */
- RDG_genBuffer(cNoiseBuffer[4], srcBufferSize, 1.00, 0., coreSeed); /* sparse content */
- memset(copyBuffer, 0x65, copyBufferSize); /* make copyBuffer considered initialized */
-
- /* catch up testNb */
- for (testNb=1; testNb < startTest; testNb++)
- FUZ_rand(&coreSeed);
-
- /* test loop */
- for ( ; (testNb <= nbTests) || (UTIL_clockSpanMicro(startClock) < g_clockTime) ; testNb++ ) {
- U32 lseed;
- const BYTE* srcBuffer;
- const BYTE* dict;
- size_t maxTestSize, dictSize;
- size_t cSize, totalTestSize, totalCSize, totalGenSize;
- size_t errorCode;
- U32 n, nbChunks;
- XXH64_state_t xxhState;
- U64 crcOrig;
-
- /* init */
- DISPLAYUPDATE(2, "\r%6u", testNb);
- if (nbTests >= testNb) DISPLAYUPDATE(2, "/%6u ", nbTests);
- FUZ_rand(&coreSeed);
- lseed = coreSeed ^ prime1;
-
- /* states full reset (unsynchronized) */
- /* some issues only happen when reusing states in a specific sequence of parameters */
- if ((FUZ_rand(&lseed) & 0xFF) == 131) { ZBUFF_freeCCtx(zc); zc = ZBUFF_createCCtx(); }
- if ((FUZ_rand(&lseed) & 0xFF) == 132) { ZBUFF_freeDCtx(zd); zd = ZBUFF_createDCtx(); }
-
- /* srcBuffer selection [0-4] */
- { U32 buffNb = FUZ_rand(&lseed) & 0x7F;
- if (buffNb & 7) buffNb=2; /* most common : compressible (P) */
- else {
- buffNb >>= 3;
- if (buffNb & 7) {
- const U32 tnb[2] = { 1, 3 }; /* barely/highly compressible */
- buffNb = tnb[buffNb >> 3];
- } else {
- const U32 tnb[2] = { 0, 4 }; /* not compressible / sparse */
- buffNb = tnb[buffNb >> 3];
- } }
- srcBuffer = cNoiseBuffer[buffNb];
- }
-
- /* compression init */
- { U32 const testLog = FUZ_rand(&lseed) % maxSrcLog;
- U32 const cLevel = (FUZ_rand(&lseed) % (ZSTD_maxCLevel() - (testLog/3))) + 1;
- maxTestSize = FUZ_rLogLength(&lseed, testLog);
- dictSize = (FUZ_rand(&lseed)==1) ? FUZ_randomLength(&lseed, maxSampleLog) : 0;
- /* random dictionary selection */
- { size_t const dictStart = FUZ_rand(&lseed) % (srcBufferSize - dictSize);
- dict = srcBuffer + dictStart;
- }
- { ZSTD_parameters params = ZSTD_getParams(cLevel, 0, dictSize);
- params.fParams.checksumFlag = FUZ_rand(&lseed) & 1;
- params.fParams.noDictIDFlag = FUZ_rand(&lseed) & 1;
- { size_t const initError = ZBUFF_compressInit_advanced(zc, dict, dictSize, params, ZSTD_CONTENTSIZE_UNKNOWN);
- CHECK (ZBUFF_isError(initError),"init error : %s", ZBUFF_getErrorName(initError));
- } } }
-
- /* multi-segments compression test */
- XXH64_reset(&xxhState, 0);
- nbChunks = (FUZ_rand(&lseed) & 127) + 2;
- for (n=0, cSize=0, totalTestSize=0 ; (n<nbChunks) && (totalTestSize < maxTestSize) ; n++) {
- /* compress random chunk into random size dst buffer */
- { size_t readChunkSize = FUZ_randomLength(&lseed, maxSampleLog);
- size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog);
- size_t dstBuffSize = MIN(cBufferSize - cSize, randomDstSize);
- size_t const srcStart = FUZ_rand(&lseed) % (srcBufferSize - readChunkSize);
-
- size_t const compressionError = ZBUFF_compressContinue(zc, cBuffer+cSize, &dstBuffSize, srcBuffer+srcStart, &readChunkSize);
- CHECK (ZBUFF_isError(compressionError), "compression error : %s", ZBUFF_getErrorName(compressionError));
-
- XXH64_update(&xxhState, srcBuffer+srcStart, readChunkSize);
- memcpy(copyBuffer+totalTestSize, srcBuffer+srcStart, readChunkSize);
- cSize += dstBuffSize;
- totalTestSize += readChunkSize;
- }
-
- /* random flush operation, to mess around */
- if ((FUZ_rand(&lseed) & 15) == 0) {
- size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog);
- size_t dstBuffSize = MIN(cBufferSize - cSize, randomDstSize);
- size_t const flushError = ZBUFF_compressFlush(zc, cBuffer+cSize, &dstBuffSize);
- CHECK (ZBUFF_isError(flushError), "flush error : %s", ZBUFF_getErrorName(flushError));
- cSize += dstBuffSize;
- } }
-
- /* final frame epilogue */
- { size_t remainingToFlush = (size_t)(-1);
- while (remainingToFlush) {
- size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog);
- size_t dstBuffSize = MIN(cBufferSize - cSize, randomDstSize);
- U32 const enoughDstSize = dstBuffSize >= remainingToFlush;
- remainingToFlush = ZBUFF_compressEnd(zc, cBuffer+cSize, &dstBuffSize);
- CHECK (ZBUFF_isError(remainingToFlush), "flush error : %s", ZBUFF_getErrorName(remainingToFlush));
- CHECK (enoughDstSize && remainingToFlush, "ZBUFF_compressEnd() not fully flushed (%u remaining), but enough space available", (U32)remainingToFlush);
- cSize += dstBuffSize;
- } }
- crcOrig = XXH64_digest(&xxhState);
-
- /* multi - fragments decompression test */
- ZBUFF_decompressInitDictionary(zd, dict, dictSize);
- errorCode = 1;
- for (totalCSize = 0, totalGenSize = 0 ; errorCode ; ) {
- size_t readCSrcSize = FUZ_randomLength(&lseed, maxSampleLog);
- size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog);
- size_t dstBuffSize = MIN(dstBufferSize - totalGenSize, randomDstSize);
- errorCode = ZBUFF_decompressContinue(zd, dstBuffer+totalGenSize, &dstBuffSize, cBuffer+totalCSize, &readCSrcSize);
- CHECK (ZBUFF_isError(errorCode), "decompression error : %s", ZBUFF_getErrorName(errorCode));
- totalGenSize += dstBuffSize;
- totalCSize += readCSrcSize;
- }
- CHECK (errorCode != 0, "frame not fully decoded");
- CHECK (totalGenSize != totalTestSize, "decompressed data : wrong size")
- CHECK (totalCSize != cSize, "compressed data should be fully read")
- { U64 const crcDest = XXH64(dstBuffer, totalTestSize, 0);
- if (crcDest!=crcOrig) findDiff(copyBuffer, dstBuffer, totalTestSize);
- CHECK (crcDest!=crcOrig, "decompressed data corrupted"); }
-
- /*===== noisy/erroneous src decompression test =====*/
-
- /* add some noise */
- { U32 const nbNoiseChunks = (FUZ_rand(&lseed) & 7) + 2;
- U32 nn; for (nn=0; nn<nbNoiseChunks; nn++) {
- size_t const randomNoiseSize = FUZ_randomLength(&lseed, maxSampleLog);
- size_t const noiseSize = MIN((cSize/3) , randomNoiseSize);
- size_t const noiseStart = FUZ_rand(&lseed) % (srcBufferSize - noiseSize);
- size_t const cStart = FUZ_rand(&lseed) % (cSize - noiseSize);
- memcpy(cBuffer+cStart, srcBuffer+noiseStart, noiseSize);
- } }
-
- /* try decompression on noisy data */
- ZBUFF_decompressInit(zd);
- totalCSize = 0;
- totalGenSize = 0;
- while ( (totalCSize < cSize) && (totalGenSize < dstBufferSize) ) {
- size_t readCSrcSize = FUZ_randomLength(&lseed, maxSampleLog);
- size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog);
- size_t dstBuffSize = MIN(dstBufferSize - totalGenSize, randomDstSize);
- size_t const decompressError = ZBUFF_decompressContinue(zd, dstBuffer+totalGenSize, &dstBuffSize, cBuffer+totalCSize, &readCSrcSize);
- if (ZBUFF_isError(decompressError)) break; /* error correctly detected */
- totalGenSize += dstBuffSize;
- totalCSize += readCSrcSize;
- } }
- DISPLAY("\r%u fuzzer tests completed \n", testNb);
-
-_cleanup:
- ZBUFF_freeCCtx(zc);
- ZBUFF_freeDCtx(zd);
- free(cNoiseBuffer[0]);
- free(cNoiseBuffer[1]);
- free(cNoiseBuffer[2]);
- free(cNoiseBuffer[3]);
- free(cNoiseBuffer[4]);
- free(copyBuffer);
- free(cBuffer);
- free(dstBuffer);
- return result;
-
-_output_error:
- result = 1;
- goto _cleanup;
-}
-
-
-/*-*******************************************************
-* Command line
-*********************************************************/
-static int FUZ_usage(const char* programName)
-{
- DISPLAY( "Usage :\n");
- DISPLAY( " %s [args]\n", programName);
- DISPLAY( "\n");
- DISPLAY( "Arguments :\n");
- DISPLAY( " -i# : Nb of tests (default:%u) \n", nbTestsDefault);
- DISPLAY( " -s# : Select seed (default:prompt user)\n");
- DISPLAY( " -t# : Select starting test number (default:0)\n");
- DISPLAY( " -P# : Select compressibility in %% (default:%i%%)\n", FUZ_COMPRESSIBILITY_DEFAULT);
- DISPLAY( " -v : verbose\n");
- DISPLAY( " -p : pause at the end\n");
- DISPLAY( " -h : display help and exit\n");
- return 0;
-}
-
-
-int main(int argc, const char** argv)
-{
- U32 seed=0;
- int seedset=0;
- int argNb;
- int nbTests = nbTestsDefault;
- int testNb = 0;
- int proba = FUZ_COMPRESSIBILITY_DEFAULT;
- int result=0;
- U32 mainPause = 0;
- const char* programName = argv[0];
- ZSTD_customMem customMem = { ZBUFF_allocFunction, ZBUFF_freeFunction, NULL };
- ZSTD_customMem customNULL = { NULL, NULL, NULL };
-
- /* Check command line */
- for(argNb=1; argNb<argc; argNb++) {
- const char* argument = argv[argNb];
- if(!argument) continue; /* Protection if argument empty */
-
- /* Parsing commands. Aggregated commands are allowed */
- if (argument[0]=='-') {
- argument++;
-
- while (*argument!=0) {
- switch(*argument)
- {
- case 'h':
- return FUZ_usage(programName);
- case 'v':
- argument++;
- g_displayLevel=4;
- break;
- case 'q':
- argument++;
- g_displayLevel--;
- break;
- case 'p': /* pause at the end */
- argument++;
- mainPause = 1;
- break;
-
- case 'i':
- argument++;
- nbTests=0; g_clockTime=0;
- while ((*argument>='0') && (*argument<='9')) {
- nbTests *= 10;
- nbTests += *argument - '0';
- argument++;
- }
- break;
-
- case 'T':
- argument++;
- nbTests=0; g_clockTime=0;
- while ((*argument>='0') && (*argument<='9')) {
- g_clockTime *= 10;
- g_clockTime += *argument - '0';
- argument++;
- }
- if (*argument=='m') g_clockTime *=60, argument++;
- if (*argument=='n') argument++;
- g_clockTime *= SEC_TO_MICRO;
- break;
-
- case 's':
- argument++;
- seed=0;
- seedset=1;
- while ((*argument>='0') && (*argument<='9')) {
- seed *= 10;
- seed += *argument - '0';
- argument++;
- }
- break;
-
- case 't':
- argument++;
- testNb=0;
- while ((*argument>='0') && (*argument<='9')) {
- testNb *= 10;
- testNb += *argument - '0';
- argument++;
- }
- break;
-
- case 'P': /* compressibility % */
- argument++;
- proba=0;
- while ((*argument>='0') && (*argument<='9')) {
- proba *= 10;
- proba += *argument - '0';
- argument++;
- }
- if (proba<0) proba=0;
- if (proba>100) proba=100;
- break;
-
- default:
- return FUZ_usage(programName);
- }
- } } } /* for(argNb=1; argNb<argc; argNb++) */
-
- /* Get Seed */
- DISPLAY("Starting zstd_buffered tester (%i-bits, %s)\n", (int)(sizeof(size_t)*8), ZSTD_VERSION_STRING);
-
- if (!seedset) {
- time_t const t = time(NULL);
- U32 const h = XXH32(&t, sizeof(t), 1);
- seed = h % 10000;
- }
- DISPLAY("Seed = %u\n", seed);
- if (proba!=FUZ_COMPRESSIBILITY_DEFAULT) DISPLAY("Compressibility : %i%%\n", proba);
-
- if (nbTests<=0) nbTests=1;
-
- if (testNb==0) {
- result = basicUnitTests(0, ((double)proba) / 100, customNULL); /* constant seed for predictability */
- if (!result) {
- DISPLAYLEVEL(4, "Unit tests using customMem :\n")
- result = basicUnitTests(0, ((double)proba) / 100, customMem); /* use custom memory allocation functions */
- } }
-
- if (!result)
- result = fuzzerTests(seed, nbTests, testNb, ((double)proba) / 100);
-
- if (mainPause) {
- int unused;
- DISPLAY("Press Enter \n");
- unused = getchar();
- (void)unused;
- }
- return result;
-}
projects / thirdparty / zstd.git / commitdiff
