IMalloc::DidAlloc (Windows CE 5.0)
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
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