Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
This method determines whether this allocator was used to allocate the specified block of memory.
int DidAlloc(void* pv);
Parameters
- pv
[in] Pointer to the memory block; can be a NULL pointer, in which case, -1 is returned.
Return Values
The following table shows the return values for this method.
| Value | Description |
|---|---|
| 1 | The memory block was allocated by this IMalloc instance. |
| 0 | The memory block was not allocated by this IMalloc instance. |
| -1 | IMalloc::DidAlloc is unable to determine whether or not it allocated the memory block. |
Remarks
Calling IMalloc::DidAlloc is useful if an application is using multiple allocations and needs to know whether a previously allocated block of memory was allocated by a particular allocation.
To determine whether the platform supports this interface, see Determining Supported COM APIs.
Requirements
OS Versions: Windows CE 3.0 and later.
Header: Objidl.h, Objidl.idl.
Link Library: Ole32.lib
See Also
IMalloc | IMalloc::Alloc | IMalloc::HeapMinimize | IMalloc::Realloc
Send Feedback on this topic to the authors