Memory

Last Updated on : 2024-11-20 08:51:36download

API list

Function name	Description
*Malloc	Request memory allocation.
Free	Free memory.

API description

*Malloc

Function prototype

VOID *Malloc(IN SIZE_T reqSize);

Parameters

Parameter name	Parameter type	Description
reqSize	IN SIZE_T	The size of the requested memory allocation.

Return value

Return value	Description
NULL	Memory allocation failed.
Other	The first address of the allocated memory space.

Free

Function prototype

VOID Free(IN PVOID_T pReqMem);

Parameters

Parameter name	Parameter type	Description
pReqMem	PVOID_T	The first address of the memory space to be freed.

Example

// After the system initialization is completed, call this interface to test memory allocation.
VOID test_memory()
{
	CHAR_T* p = (CHAR_T*)Malloc(100);
	if (!p) {
		PR_ERR("null point");
		return;
	}

	Free(p);
	p = NULL;
}