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

Freemem

Release allocated memory

Declaration

Source position: line 0

procedure Freemem(

  p: pointer;

  Size: PtrInt

);

function Freemem(

  p: pointer

):PtrInt;

Description

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

Errors

An error will occur when Pdoesn'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.