[Interest] Certain QTextCodecs causing crashes on Linux

[Scott Aron Bloom]

No.. Centos, this happens on the 5.8 and 6.4 releases

Ill look into the patch.. Thanks.
Scott

From: interest-bounces+scott=onshorecs.com at qt-project.org [mailto:interest-bounces+scott=onshorecs.com at qt-project.org] On Behalf Of Karl Ruetz
Sent: Wednesday, July 31, 2013 9:56 AM
To: interest at qt-project.org
Subject: Re: [Interest] Certain QTextCodecs causing crashes on Linux


Are you using Ubuntu by any chance?  We had a similar problem last year but it was unrelated to Qt.  If you tried to do several consecutive searches in a web browser on Ubuntu using the French language, this exact error would get sent to standard error and the browser would crash.

Applying this patch fixed it:  https://bugzilla.gnome.org/show_bug.cgi?id=670586

I believe some people reported a similar problem on Debian that was fixed with the same patch.

I have no idea if this would apply to this situation or not.  I just remembered seeing the exact same error message away from Qt.

Karl

On 2013-07-31 10:44, Scott Aron Bloom wrote:
Ran into a weird situation.. I have to allow my customer to set the System Codec so when they load a file, it loads correctly.

However, in QA’ing the code, certain Text Codecs are causing a crash in QMessageBox (and presumably other widgets).


  6 int main( int argc, char ** argv )
  7 {
  8     QApplication appl( argc, argv );
  9     QString codecName = "UTF-8";
10     if ( argc > 1 )
11         codecName = argv[ 1 ];
12
 13     QTextCodec * codec = QTextCodec::codecForName( codecName.toAscii() );
14     if ( !codec )
15     {
 16         QMessageBox::warning( NULL, argv[ 0 ], QString( "%1 not found" ).arg( codecName ) );
17         return 1;
18     }
19
 20     QTextCodec::setCodecForLocale( codec );
21     QMessageBox::warning( NULL, argv[ 0 ], codecName );
22     return 0;
23 }

When called with UTF-32 I get the following crash:
[scott at localhost build]$ ./CodecTest UTF-32
**
GConf:ERROR:gconf-client.c:2021:gconf_client_lookup: assertion failed: (last_slash != NULL)
Aborted (core dumped)

This is with Qt 4.7.4.

Any Ideas?

Thanks
Scott


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