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➜ MUSHclient
➜ Bug reports
➜ crash on connect+editbox
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| Posted by
| Fiendish
USA (2,555 posts) Bio
Global Moderator |
| Date
| Mon 02 May 2011 04:33 PM (UTC) Amended on Mon 02 May 2011 04:44 PM (UTC) by Fiendish
|
| Message
| The following code in a plugin will cause MUSHclient 4.72 to crash (using Windows 7) when included in a world file that gets loaded automatically at program start (but not when loaded while the world is already up and running):
function OnPluginInstall()
Connect()
utils.editbox("hello","hello","hello")
end
Or if you have two different plugins, and the first one to load calls
function OnPluginInstall()
Connect()
end
and the second one to load calls
function OnPluginInstall()
utils.editbox("hello","hello","hello")
end
That will crash too. But the reverse load order will not. |
https://github.com/fiendish/aardwolfclientpackage | | Top |
|
| Posted by
| Fiendish
USA (2,555 posts) Bio
Global Moderator |
| Date
| Reply #1 on Mon 02 May 2011 05:44 PM (UTC) Amended on Mon 02 May 2011 05:45 PM (UTC) by Fiendish
|
| Message
| If I change the editbox call to be inside of a
Then I tend to (but not always) get "Could not decompress text from MUD: unknown compression method" errors on startup after dismissing the dialog.
seems to work fine, but the delay is rather long and likely system dependent.
|
https://github.com/fiendish/aardwolfclientpackage | | Top |
|
| Posted by
| Nick Gammon
Australia (23,173 posts) Bio
Forum Administrator |
| Date
| Reply #2 on Tue 03 May 2011 09:17 AM (UTC) |
| Message
| | Sounds like a race condition. I'll look into it. |
- Nick Gammon
www.gammon.com.au, www.mushclient.com | | Top |
|
| Posted by
| Nick Gammon
Australia (23,173 posts) Bio
Forum Administrator |
| Date
| Reply #3 on Sun 08 May 2011 03:03 AM (UTC) |
| Message
| Yes, it's a race condition. Plugins are loaded quite early as part of world startup. Some internal structures have not been allocated at that point because, for one thing, we need to know how many lines the user wants in the output buffer in order to allocate a lookup table to quickly index into the buffer.
Calling connect starts a sequence, which, when the connection is established the world tries to send your login name, which then hits this unallocated buffer. The dialog box effectively pauses the loading sequence, making the problem much more prominent.
I have added an extra test for the existence of that buffer before attempting to display things. That at least stops the crash but is not ideal. Some lines are just thrown away. |
- Nick Gammon
www.gammon.com.au, www.mushclient.com | | Top |
|
| Posted by
| Nick Gammon
Australia (23,173 posts) Bio
Forum Administrator |
| Date
| Reply #4 on Sun 08 May 2011 03:15 AM (UTC) |
| Message
| |
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