1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
{%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}
{$endif}
uses
dos;
const
ExeSuffix =
{$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:='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');
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.
|