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STRLIB.INC
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1989-06-02
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(*
* Copyright 1987, 1989 Samuel H. Smith; All rights reserved
*
* This is a component of the ProDoor System.
* Do not distribute modified versions without my permission.
* Do not remove or alter this notice or any other copyright notice.
* If you use this in your own program you must distribute source code.
* Do not use any of this in a commercial product.
*
*)
{--
-- Long string package
--
-- Author: S.H.Smith, 25-apr-86
--
--}
{--
-- Package specification
--
--}
type
string_buffer_pointer = ^string_buffer;
string_buffer = array[1..maxint] of char;
long_string_record = record
length: integer;
max_length: integer;
value: string_buffer_pointer;
end;
long_string_pointer = ^long_string_record;
short_string = string[255];
function new_long_string(max: integer): long_string_pointer;
var
str: long_string_pointer;
begin
new(str);
with str^ do
begin
length := 0;
max_length := max;
getmem(value,str^.max_length);
end;
new_long_string := str;
end;
function copy_long_string(old: long_string_pointer): long_string_pointer;
var
str: long_string_pointer;
i: integer;
begin
str := new_long_string(old^.max_length);
str^.length := old^.length
str^.value^ := old^.value;
copy_long_string := str;
end;