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added DEADBEEF support to debug class

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This commit is contained in:
ZappoMan 2013-12-04 10:37:10 -08:00
parent 188d52c06e
commit 2cb46c3447
3 changed files with 27 additions and 0 deletions
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4
libraries/octree/src/OctreeElement.cpp
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@ -14,6 +14,7 @@
#include <NodeList.h>
#include <PerfStat.h>
#include <assert.h>
#include "AABox.h"
#include "OctalCode.h"
@ -29,6 +30,9 @@ uint64_t OctreeElement::_voxelNodeCount = 0;
uint64_t OctreeElement::_voxelNodeLeafCount = 0;
OctreeElement::OctreeElement() {
// Note: you must call init() from your subclass, otherwise the OctreeElement will not be properly
// initialized. You will see DEADBEEF in your memory debugger if you have not properly called init()
debug::setDeadBeef(this, sizeof(*this));
}
void OctreeElement::init(unsigned char * octalCode) {

18
libraries/shared/src/SharedUtil.cpp
View file

@ -688,3 +688,21 @@ int unpackFloatFromByte(unsigned char* buffer, float& value, float scaleBy) {
return sizeof(holder);
}
char debug::DEADBEEF[] = { 0xDE, 0xAD, 0xBE, 0xEF };
int debug::DEADBEEF_SIZE = sizeof(DEADBEEF);
void debug::setDeadBeef(void* memoryVoid, int size) {
unsigned char* memoryAt = (unsigned char*)memoryVoid;
int deadBeefSet = 0;
int chunks = size / DEADBEEF_SIZE;
for (int i = 0; i < chunks; i++) {
memcpy(memoryAt + (i * DEADBEEF_SIZE), DEADBEEF, DEADBEEF_SIZE);
deadBeefSet += DEADBEEF_SIZE;
}
memcpy(memoryAt + deadBeefSet, DEADBEEF, size - deadBeefSet);
}
void debug::checkDeadBeef(void* memoryVoid, int size) {
unsigned char* memoryAt = (unsigned char*)memoryVoid;
assert(memcmp(memoryAt, DEADBEEF, std::min(size, DEADBEEF_SIZE)) != 0);
}

5
libraries/shared/src/SharedUtil.h
View file

@ -118,6 +118,11 @@ int removeFromSortedArrays(void* value, void** valueArray, float* keyArray, int*
class debug {
public:
static const char* valueOf(bool checkValue) { return checkValue ? "yes" : "no"; }
static void setDeadBeef(void* memoryVoid, int size);
static void checkDeadBeef(void* memoryVoid, int size);
private:
static char DEADBEEF[];
static int DEADBEEF_SIZE;
};
bool isBetween(int64_t value, int64_t max, int64_t min);