Create a buffer allocator that allocates from the specified buffer.
Declared in <bslma_bufferallocator.h>
BufferAllocator(
char* buffer,
size_type bufSize,
AllocCallback allocCallback = 0);Create a buffer allocator for allocating memory blocks from the specified buffer of the specified bufSize. Optionally specify a callback function allocCallback that is invoked when a call to allocate cannot be fulfilled from buffer. Note that maximum alignment is used when allocating memory.
| Name | Description |
|---|---|
| buffer | Memory buffer from which to allocate. |
| bufSize | Size (in bytes) of buffer. |
| allocCallback | Optional callback invoked when allocation fails. |