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|
{%skiptarget=wince}
{ This file is to check if there is some memory corruption
due to startup code with argument loading
go32v2 target had this problem
close to 2.2 release 2007-03-27 pierre }
program create_startup_test_crash;
{$ifdef go32v2}
{$define HasExeSuffix}
{$endif}
{$ifdef win32}
{$define HasExeSuffix}
{$endif}
{$ifdef win64}
{$define HasExeSuffix}
{$endif}
{$ifdef wince}
{$define HasExeSuffix}
{$endif}
{$ifdef os2}
{$define HasExeSuffix}
{$endif}
{$ifdef emx}
{$define HasExeSuffix}
{$endif}
{$ifdef wdosx}
{$define HasExeSuffix}
{$endif}
{$ifdef netware}
{$define HasNlmSuffix}
{$endif}
{$ifdef netwlibc}
{$define HasNlmSuffix}
{$endif}
uses
dos;
const
Prefix =
{$ifdef Unix}
'./'
{$else}
''
{$endif}
;
ExeSuffix =
{$ifdef HasExeSuffix}
'.exe'
{$else}
{$ifdef HasNlmSuffix}
'.nlm'
{$else}
''
{$endif}
{$endif}
;
const
MAX = 255;
var
cmd,
arg : string;
i, first_wrong : longint;
const
Everything_ok : boolean = true;
begin
cmd:=Prefix+'targ1a'+ExeSuffix;
arg:='';
first_wrong:=-1;
for i:=0 to MAX do
begin
Writeln(stderr,'Going to call "',cmd,'" with arg = "',arg,'"');
Writeln(stderr,'arg length =',length(arg));
Exec(cmd,arg);
if (DosExitCode<>0) or (DosError<>0) then
begin
Writeln(stderr,'Crash detected, DosError=', DosError);
Writeln(stderr,'DosExitCode=',DosExitCode);
if first_wrong=-1 then
first_wrong:=i;
Everything_ok := false;
end;
arg:=arg+'a';
end;
if Everything_ok then
begin
Writeln(stderr,'Test successful: no memory corruption occurs');
end
else
begin
Writeln(stderr,'Test fails: Memory corruption occurs');
Writeln(stderr,'First arg length where error appears is ',first_wrong);
if first_wrong<100 then
RunError(1)
else
Writeln(stderr,'Warning: when using Dos.Exec, arg length must be smaller than ',first_wrong);
end;
end.
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