[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] Reference for unit 'System' (#rtl)

Freemem

Release allocated memory

Declaration

Source position: heaph.inc line 89

procedure Freemem(

  p: pointer;

  Size: PtrUInt

);

function Freemem(

  p: pointer

):PtrUInt;

Description

Freemem releases the memory occupied by the pointer P, of size Count (in bytes), and returns it to the heap. P should point to the memory allocated to a dynamic variable.

Errors

An error will occur when P doesn't point to the heap.

See also

Getmem

  

Allocate new memory on the heap

New

  

Dynamically allocate memory for variable

Dispose

  

Free dynamically allocated memory

Example

Program Example28;

{ Program to demonstrate the FreeMem and GetMem functions. }

Var P : Pointer;
    MM : Longint;

begin
  { Get memory for P }
  GetMem (P,80);
  FillChar (P^,80,' ');
  FreeMem (P,80);
end.

Documentation generated on: Jun 23 2021