Adds a new chunk of memory to the heap. A chunk is a memory buffer which is allocated externally to the heap.  

int heap_add_chunk(void *chunk, size_t chunklen);

Parameters

chunk

Pointer to a memory buffer.

chunklen

Length of memory buffer in bytes.

Return Values

0 (zero)

Success.

-1

The function failed and sets errno to one of these values:

E2BIG	The chunk length is more than LONG_MAX
EINVAL	The chuck pointer is invalid or the length is less than 4096 bytes.

Requirements