StrBufSize

Return the size of a null-terminated string allocated on the heap.

Declaration

Source position: syspchh.inc line 42

  function StrBufSize(Str: PChar) : Cardinal;
  function StrBufSize(str: pwidechar) : Cardinal;

Description

StrBufSize returns the memory allocated for Str. This function ONLY gives the correct result if Str was allocated using StrAlloc .

Errors

If no more memory is available, a runtime error occurs.

See also

Name Description
StrAlloc Allocate a null-terminated string on the heap.
StrDispose Dispose of a null-terminated string on the heap.

Example

Program Example46;
{ This program demonstrates the StrBufSize function }
{$H+}
Uses sysutils;
Const S  = 'Some nice string';
Var P : Pchar;
Begin
   P:=StrAlloc(Length(S)+1);
   StrPCopy(P,S);
   Write (P, ' has length ',length(S));
   Writeln (' and  buffer size ',StrBufSize(P));
   StrDispose(P);
End.