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.