fpc/packages/gdbm/examples/testgdbm.pp
Michaël Van Canneyt ee4c0673bd * PChar -> PAnsiChar
2023-07-15 18:22:40 +02:00

56 lines
1.3 KiB
ObjectPascal

{
Copyright (c) 1999-2000 by Michael Van Canneyt, member of
the Free Pascal development team
Test raw gdbm header translations.
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
**********************************************************************}
program testgdbm;
{$mode objfpc}
{$h+}
uses sysutils,gdbm;
Var
dbf : pgdbm_file;
Key,Data : TDatum;
A,B : AnsiString;
i : longint;
begin
dbf:=gdbm_open('test.dat',512,GDBM_NEWDB,432,nil);
If dbf=Nil then
Writeln('Error when creating database');
for I:=1 to 10 do
begin
A:=Format('data for string %d',[i]);
B:=Format('string %d',[i]);
Data.dptr:=PAnsiChar(A);
Data.dsize:=length(A);
key.dptr:=PAnsiChar(B);
key.dsize:=length(B);
if gdbm_store(dbf,key,data,gdbm_insert)<>0 then
Writeln('Error inserting data')
else
Writeln('Inserted string ',i)
end;
key:=gdbm_firstkey(dbf);
I:=0;
While key.dptr<>nil do
begin
inc(i);
data:=gdbm_fetch(dbf,key);
writeln('Data for key ',i,' (',key.dptr,') : ',data.dptr);
key:=gdbm_nextkey(dbf,key);
end;
gdbm_close(dbf);
end.