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David256
Beginner
Joined: 07 Nov 2006
Posts: 22
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 Posted: Sun Nov 18, 2007 5:45 am
[2.12Pro] Crash when assigning really long captions to buttons via a variable
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I have the following button:
| Code: |
<button autosize="false" width="300" height="20" autopos="false" left="200" toolstyle="true" gaugelowcol="red" gaugebackcol="silver" priority="11" id="642">
<caption>@battlequeue</caption>
</button> |
On a new instance on cmud, if I go battlequeue=aaaaa.... (about 300 'a's) I get an exception.
If I make it even longer (about 500+ characters) I get an error window saying
"Error: Access violation at 0x61616161 (tried to read from 0x61616161), program terminated."
If I leave battlequeue set to that long thing when I quit, then CMUD crashes immediately every time I open the session.
(Note 0x61 is the ascii code of 'a'! If I make the string "bbbb...." then it tries to read 0x62626262 etc)
| Code: |
date/time : 2007-11-18, 16:37:17, 806ms
user name : David
operating system : Windows NT New build 6000
system language : English
system up time : 5 hours 4 minutes
program up time : 24 seconds
processors : 4x Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz
physical memory : 2696/4094 MB (free/total)
free disk space : (C:) 267.55 GB
display mode : 1920x1200, 32 bit
process id : $700
allocated memory : 134.46 MB
executable : cMUDPro.exe
exec. date/time : 2007-11-17 19:07
version : 2.12.0.0
madExcept version : 3.0b
callstack crc : $58853478, $09a7ae99, $bd1f2f44
exception number : 1
exception class : EAccessViolation
exception message : Access violation at address 00404BDE in module 'cMUDPro.exe'. Read of address 61616161.
Main ($ac0):
00404bde +0006 cMUDPro.exe System TObject.Free
00778894 +1320 cMUDPro.exe explbtn 1459 +365 TExplorerButton.Paint
004053aa +002a cMUDPro.exe System @HandleFinally
7761b57a +0105 ntdll.dll RtlUnwind
0040519e +00d2 cMUDPro.exe System @HandleAnyException
775fee52 +000a ntdll.dll KiUserExceptionDispatcher
0050f4fe +005a cMUDPro.exe Controls 8918 +6 TCustomControl.PaintWindow
00509f8a +0052 cMUDPro.exe Controls 6402 +4 TWinControl.PaintHandler
0050a5b0 +004c cMUDPro.exe Controls 6547 +6 TWinControl.WMPaint
0050f48f +001b cMUDPro.exe Controls 8907 +2 TCustomControl.WMPaint
0050602f +01df cMUDPro.exe Controls 4645 +53 TControl.WndProc
00509d5e +018e cMUDPro.exe Controls 6342 +33 TWinControl.WndProc
00509930 +0034 cMUDPro.exe Controls 6237 +3 TWinControl.MainWndProc
0047ff58 +0014 cMUDPro.exe Classes 10966 +8 StdWndProc
775fee2b +002b ntdll.dll KiUserCallbackDispatcher
76c7cb9a +003f USER32.dll UpdateWindow
0050ce31 +001d cMUDPro.exe Controls 7736 +1 TWinControl.Update
0050ce50 +0014 cMUDPro.exe Controls 7742 +2 TWinControl.Repaint
00778a28 +0060 cMUDPro.exe explbtn 1521 +5 TExplorerButton.SetCaption
00dec23b +04ab cMUDPro.exe PrefDat 8546 +84 ButtonRec.Invalidate
00d0d639 +00f9 cMUDPro.exe PARENT 11657 +26 TParentForm.WMInvalidatePref
0050602f +01df cMUDPro.exe Controls 4645 +53 TControl.WndProc
00509d5e +018e cMUDPro.exe Controls 6342 +33 TWinControl.WndProc
00526e3c +0478 cMUDPro.exe Forms 3098 +103 TCustomForm.WndProc
00c9fa1c +0020 cMUDPro.exe DXSounds 2013 +9 TCustomDXSound.FormWndProc
00c9d178 +000c cMUDPro.exe DXClass 572 +1 TControlSubClass.WndProc
00509930 +0034 cMUDPro.exe Controls 6237 +3 TWinControl.MainWndProc
0047ff58 +0014 cMUDPro.exe Classes 10966 +8 StdWndProc
76c7e350 +0016 USER32.dll CallWindowProcA
006d6553 +00a7 cMUDPro.exe aqDockingUtils 1728 +7 CallDefWndProc
006d6641 +00dd cMUDPro.exe aqDockingUtils 1776 +41 TaqWindowEventFilter.WndProc
0047ff58 +0014 cMUDPro.exe Classes 10966 +8 StdWndProc
76c795a4 +000a USER32.dll DispatchMessageA
0052eee4 +00ac cMUDPro.exe Forms 6873 +13 TApplication.ProcessMessage
0052ef2b +000f cMUDPro.exe Forms 6892 +1 TApplication.HandleMessage
0052f1c6 +00a6 cMUDPro.exe Forms 6976 +16 TApplication.Run
00e75c08 +0088 cMUDPro.exe cMUDPro 349 +19 initialization
759419ef +000c kernel32.dll BaseThreadInitThunk
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Tech
GURU
Joined: 18 Oct 2000
Posts: 2733
Location: Atlanta, USA
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Posted: Sun Nov 18, 2007 6:55 pm
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Confirmed.
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_________________
Asati di tempari! |
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Zugg
MASTER
Joined: 25 Sep 2000
Posts: 23379
Location: Colorado, USA
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Posted: Mon Nov 19, 2007 5:49 pm
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Yes, this has always been a problem. It's a Windows API limit on the amount of text that can be displayed in a button like this. I'll see if I can at least trap it so that it doesn't crash. But really huge captions are not going to display on a button that is too small.
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