[Bug 30737] New: Dde_OnRequest should return groups_data instead of NULL
wine-bugs at winehq.org
wine-bugs at winehq.org
Sun May 20 15:45:21 CDT 2012
http://bugs.winehq.org/show_bug.cgi?id=30737
Bug #: 30737
Summary: Dde_OnRequest should return groups_data instead of
NULL
Product: Wine
Version: 1.5.4
Platform: x86
OS/Version: Linux
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: shell32
AssignedTo: wine-bugs at winehq.org
ReportedBy: bug-track at fisher-privat.net
Classification: Unclassified
Created attachment 40241
--> http://bugs.winehq.org/attachment.cgi?id=40241
patch v1
The setup32.exe of EG (Evangelisches Gesangbuch) fail before end of setup. The
reason is on unxpected result on DdeClientTransaction. The second reason is
probably programming error of this app.
The app works as fallow:
- DdeCreateStringHandleA with "Progman"
- then DdeClientTransaction with hszItem == Pragman and hszTopic == Pragman.
- after this it parses the data returned by previous command.
at this stage it will try to parse NULL pointer and fail. At this point i would
say, it is an app problem. But it works on windows and looks like it returns
NULL in really rare cases.
Currently i did some hacky patch wich return empty group data. It fixes crash
issue on the end of setup.
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