/******************************************************************************
* IMalloc32_Alloc [VTABLE]
*/
static LPVOID WINAPI IMalloc_fnAlloc(LPMALLOC iface, DWORD cb) {
LPVOID addr;
TRACE("(%d)\n",cb);
if(Malloc32.pSpy) {
DWORD preAllocResult;
EnterCriticalSection(&IMalloc32_SpyCS);
preAllocResult = IMallocSpy_PreAlloc(Malloc32.pSpy, cb);
if ((cb != 0) && (preAllocResult == 0)) {
/* PreAlloc can force Alloc to fail, but not if cb == 0 */
TRACE("returning null\n");
LeaveCriticalSection(&IMalloc32_SpyCS);
return NULL;
}
}
addr = HeapAlloc(GetProcessHeap(),0,cb);
if(Malloc32.pSpy) {
addr = IMallocSpy_PostAlloc(Malloc32.pSpy, addr);
if (addr) AddMemoryLocation(addr);
LeaveCriticalSection(&IMalloc32_SpyCS);
}
TRACE("--(%p)\n",addr);
return addr;
}
/******************************************************************************
* IMalloc32_Realloc [VTABLE]
*/
static LPVOID WINAPI IMalloc_fnRealloc(LPMALLOC iface,LPVOID pv,DWORD cb) {
LPVOID pNewMemory;
TRACE("(%p,%d)\n",pv,cb);
if(Malloc32.pSpy) {
LPVOID pRealMemory;
BOOL fSpyed;
EnterCriticalSection(&IMalloc32_SpyCS);
fSpyed = RemoveMemoryLocation(pv);
cb = IMallocSpy_PreRealloc(Malloc32.pSpy, pv, cb, &pRealMemory, fSpyed);
/* check if can release the spy */
if(Malloc32.SpyReleasePending && !Malloc32.SpyedAllocationsLeft) {
IMallocSpy_Release(Malloc32.pSpy);
Malloc32.SpyReleasePending = FALSE;
Malloc32.pSpy = NULL;
LeaveCriticalSection(&IMalloc32_SpyCS);
}
if (0==cb) {
/* PreRealloc can force Realloc to fail */
if (Malloc32.pSpy)
LeaveCriticalSection(&IMalloc32_SpyCS);
return NULL;
}
pv = pRealMemory;
}
if (!pv) pNewMemory = HeapAlloc(GetProcessHeap(),0,cb);
else if (cb) pNewMemory = HeapReAlloc(GetProcessHeap(),0,pv,cb);
else {
HeapFree(GetProcessHeap(),0,pv);
pNewMemory = NULL;
}
if(Malloc32.pSpy) {
pNewMemory = IMallocSpy_PostRealloc(Malloc32.pSpy, pNewMemory, TRUE);
if (pNewMemory) AddMemoryLocation(pNewMemory);
LeaveCriticalSection(&IMalloc32_SpyCS);
}
TRACE("--(%p)\n",pNewMemory);
return pNewMemory;
}