BloombergLP::bslma::BufferAllocator::allocateFromBuffer

Synopses

Declared in <bslma_bufferallocator.h>

Allocate a memory block of the specified size from buffer.

static
void*
allocateFromBuffer(
    int* cursor,
    char* buffer,
    size_type bufSize,
    size_type size,
    AlignmentStrategy strategy);

Allocate a memory block of the specified size from buffer with the specified alignment.

static
void*
allocateFromBuffer(
    int* cursor,
    char* buffer,
    size_type bufSize,
    size_type size,
    int alignment);

address of the allocated block, or null if insufficient space

Name	Description
cursor	Index of the next available byte in `buffer` (in/out).
buffer	Memory buffer from which to allocate.
bufSize	Size (in bytes) of `buffer`.
size	Number of bytes to allocate.
strategy	Alignment strategy used for the allocation.
alignment	Alignment (in bytes) for the allocated block.