memory array allocator

memory array allocator

pseudo dynamic allocation in static memory arrays

void memarray_init(memarray_t * mem, void * data, msp430_types.h::size_t size, msp430_types.h::size_t num)

Initialize memarray pool with free list.

Parameters

mem:memarray pool to initialize data:pointer to user-allocated data size:size of a single element in data num:number of elements in data

void * memarray_alloc(memarray_t * mem)

Allocate memory chunk in memarray pool.

Parameters

mem:memarray pool to allocate block in

Return values

• pointer to allocated structure, if enough memory was available
• NULL, on failure

void memarray_free(memarray_t * mem, void * ptr)

Free memory chunk in memarray pool.

Parameters

mem:memarray pool to free block in ptr:pointer to memarray chunk

struct memarray_t

Memory pool.

void * free_data

memory pool data / head of the free list

msp430_types.h::size_t size

size of single list element

msp430_types.h::size_t num

max number of elements in list