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Fixing execution key generation based on CR.

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This commit is contained in:
Markus Kauppila 2011-08-02 12:46:40 +03:00
parent 1633238f90
commit c2b70264ed
12 changed files with 86 additions and 59 deletions
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70
test/test-automation/fuzzer/fuzzer.c
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@ -1,4 +1,7 @@
#include <stdio.h>
#include <stdlib.h>
#include "../SDL_test.h"
#include "fuzzer.h"
@ -7,29 +10,43 @@
//! context for test-specific random number generator
static RND_CTX rndContext;
int
Uint64
GenerateExecKey(char *runSeed, char *suiteName,
char *testName, int iterationNumber)
{
if(runSeed == NULL || suiteName == NULL ||
testName == NULL || iterationNumber < 0) {
fprintf(stderr, "Error: Incorrect parameter given to GenerateExecKey function\n");
if(runSeed == NULL) {
fprintf(stderr, "Error: Incorrect runSeed given to GenerateExecKey function\n");
return -1;
}
char iterationString[256];
memset(iterationString, 0, sizeof(iterationString));
if(suiteName == NULL) {
fprintf(stderr, "Error: Incorrect suiteName given to GenerateExecKey function\n");
return -1;
}
snprintf(iterationString, sizeof(iterationString), "%d", iterationNumber);
if(testName == NULL) {
fprintf(stderr, "Error: Incorrect testName given to GenerateExecKey function\n");
return -1;
}
if(iterationNumber < 0) {
fprintf(stderr, "Error: Incorrect iteration number given to GenerateExecKey function\n");
return -1;
}
char iterationString[16];
memset(iterationString, 0, sizeof(iterationString));
SDL_snprintf(iterationString, sizeof(iterationString) - 1, "%d", iterationNumber);
// combine the parameters
const int runSeedLength = strlen(runSeed);
const int suiteNameLength = strlen(suiteName);
const int testNameLength = strlen(testName);
const int iterationStringLength = strlen(iterationString);
const Uint32 runSeedLength = strlen(runSeed);
const Uint32 suiteNameLength = strlen(suiteName);
const Uint32 testNameLength = strlen(testName);
const Uint32 iterationStringLength = strlen(iterationString);
// size of the entire + 3 for slashes and + 1 for '\0'
const int entireString = runSeedLength + suiteNameLength +
const Uint32 entireString = runSeedLength + suiteNameLength +
testNameLength + iterationStringLength + 3 + 1;
char *buffer = SDL_malloc(entireString);
@ -48,21 +65,32 @@ GenerateExecKey(char *runSeed, char *suiteName,
SDL_free(buffer);
char *execKey = md5Context.digest;
const char *execKey = md5Context.digest;
//! \todo could this be enhanced?
int key = execKey[4] << 24 |
execKey[9] << 16 |
execKey[13] << 8 |
execKey[3] << 0;
//printf("Debug: digest = %s\n", execKey);
return abs(key);
Uint64 key = execKey[8] << 56 |
execKey[9] << 48 |
execKey[10] << 40 |
execKey[11] << 32 |
execKey[12] << 24 |
execKey[13] << 16 |
execKey[14] << 8 |
execKey[15] << 0;
return key;
}
void
InitFuzzer(int execKey)
InitFuzzer(Uint64 execKey)
{
utl_randomInit(&rndContext, execKey, execKey / 0xfafafafa);
Uint32 a = (execKey >> 32) & 0x00000000FFFFFFFF;
Uint32 b = execKey & 0x00000000FFFFFFFF;
//printf("Debug: execKey: %llx\n", execKey);
//printf("Debug: a = %x - b = %x\n", a, b);
utl_randomInit(&rndContext, a, b);
}
void