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and subject line Bug#300732: fixed in wftk 0.7.1-6
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From: Vassilis Virvilis <[EMAIL PROTECTED]>
To: Debian Bug Tracking System <[EMAIL PROTECTED]>
Subject: libwftk-0.7: crash on exit (Font resource)
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Date: Mon, 21 Mar 2005 15:37:36 +0200
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Package: libwftk-0.7
Version: 0.7.1-5
Severity: important
Subject: libwftk-0.7: Crash on exit if VeraBd fonts are registated
Package: libwftk-0.7
Version: 0.7.1-5
Severity: important
The following program crashes on exit. I tried following the code but I was not
familiar with the resource and reference mechanism of libwftk. The bug looks
like
a double free (ok delete) hapenning in ~Font() and looks associated with private
Font::glyph_. Anyway here is the smallest program that reproduces the crash.
By the way if you use the wf_opal.ttf coming from the libwftk source
distribution
there is no crash.
---------------------------------
#include <wftk/application.h>
#include <wftk/rootwindow.h>
#include <wftk/font.h>
using namespace wftk;
class MyApp : public Application {
private:
RootWindow *back;
public:
MyApp(int argc, char** argv) : Application(argc, argv) {
back = new RootWindow(640, 480);
// These font resources are used by various gui elements,
// so you should always register text_font and button_font when
// using wftk
//Font::registry.load("text_font","wf_opal.ttf, 17, 0xF0F0F0FF,
0x707070FF");
//Font::registry.load("button_font","wf_opal.ttf, 16, 0xE0E0F0FF,
0x607f70EE");
Font::registry.load("text_font","/usr/share/fonts/truetype/ttf-bitstream-vera/VeraBd.ttf,
17, 0xF0F0F0FF, 0x707070FF");
Font::registry.load("button_font","/usr/share/fonts/truetype/ttf-bitstream-vera/VeraBd.ttf,
16, 0xE0E0F0FF, 0x607f70EE");
}
};
int main(int argc, char **argv)
{
return MyApp(argc, argv).exec();
}
----------------------------------
-- System Information:
Debian Release: 3.1
APT prefers testing
APT policy: (500, 'testing')
Architecture: i386 (i686)
Kernel: Linux 2.6.9
Locale: LANG=el_GR, LC_CTYPE=el_GR (charmap=ISO-8859-7)
Versions of packages libwftk-0.7 depends on:
ii libc6 2.3.2.ds1-20 GNU C Library: Shared libraries an
ii libfreetype6 2.1.7-2.3 FreeType 2 font engine, shared lib
ii libgcc1 1:3.4.3-6 GCC support library
ii libpng12-0 1.2.8rel-1 PNG library - runtime
ii libsdl-mixer1 1.2.6-1 mixer library for Simple DirectMed
ii libsdl1.2debi 1.2.7+1.2.8cvs20041007-4.1 Simple DirectMedia Layer
ii libsigc++-1.2 1.2.5-4 type-safe Signal Framework for C++
ii libsmpeg0 0.4.5+cvs20030824-1 SDL MPEG Player Library - shared l
ii libstdc++5 1:3.3.5-8 The GNU Standard C++ Library v3
ii xlibmesa-gl [ 4.3.0.dfsg.1-10 Mesa 3D graphics library [XFree86]
ii zlib1g 1:1.2.2-3 compression library - runtime
-- no debconf information
-- System Information:
Debian Release: 3.1
APT prefers testing
APT policy: (500, 'testing')
Architecture: i386 (i686)
Kernel: Linux 2.6.9
Locale: LANG=el_GR, LC_CTYPE=el_GR (charmap=ISO-8859-7)
Versions of packages libwftk-0.7 depends on:
ii libc6 2.3.2.ds1-20 GNU C Library: Shared libraries an
ii libfreetype6 2.1.7-2.3 FreeType 2 font engine, shared lib
ii libgcc1 1:3.4.3-6 GCC support library
ii libpng12-0 1.2.8rel-1 PNG library - runtime
ii libsdl-mixer1 1.2.6-1 mixer library for Simple DirectMed
ii libsdl1.2debi 1.2.7+1.2.8cvs20041007-4.1 Simple DirectMedia Layer
ii libsigc++-1.2 1.2.5-4 type-safe Signal Framework for C++
ii libsmpeg0 0.4.5+cvs20030824-1 SDL MPEG Player Library - shared l
ii libstdc++5 1:3.3.5-8 The GNU Standard C++ Library v3
ii xlibmesa-gl [ 4.3.0.dfsg.1-10 Mesa 3D graphics library [XFree86]
ii zlib1g 1:1.2.2-3 compression library - runtime
-- no debconf information
---------------------------------------
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From: Michael Koch <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
X-Katie: $Revision: 1.55 $
Subject: Bug#300732: fixed in wftk 0.7.1-6
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Date: Tue, 12 Apr 2005 18:07:08 -0400
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Source: wftk
Source-Version: 0.7.1-6
We believe that the bug you reported is fixed in the latest version of
wftk, which is due to be installed in the Debian FTP archive:
libwftk-0.7_0.7.1-6_i386.deb
to pool/main/w/wftk/libwftk-0.7_0.7.1-6_i386.deb
libwftk-dev_0.7.1-6_i386.deb
to pool/main/w/wftk/libwftk-dev_0.7.1-6_i386.deb
libwftk-doc_0.7.1-6_all.deb
to pool/main/w/wftk/libwftk-doc_0.7.1-6_all.deb
wftk_0.7.1-6.diff.gz
to pool/main/w/wftk/wftk_0.7.1-6.diff.gz
wftk_0.7.1-6.dsc
to pool/main/w/wftk/wftk_0.7.1-6.dsc
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [EMAIL PROTECTED],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Michael Koch <[EMAIL PROTECTED]> (supplier of updated wftk package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [EMAIL PROTECTED])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Format: 1.7
Date: Tue, 12 Apr 2005 07:01:33 +0000
Source: wftk
Binary: libwftk-0.7 libwftk-dev libwftk-doc
Architecture: source i386 all
Version: 0.7.1-6
Distribution: unstable
Urgency: low
Maintainer: Michael Koch <[EMAIL PROTECTED]>
Changed-By: Michael Koch <[EMAIL PROTECTED]>
Description:
libwftk-0.7 - WorldForge Toolkit - a C++ widget toolkit
libwftk-dev - WorldForge Toolkit - a C++ widget toolkit - development files
libwftk-doc - WorldForge Toolkit - a C++ widget toolkit - documentation
Closes: 300732 300737
Changes:
wftk (0.7.1-6) unstable; urgency=low
.
* Applied debian/patches/crash-on-exit-fix.patch and
debian/patches/pushbutton-scale.patch (Closes: #300732, #300737).
Files:
b72b979c94ff5bd67b17d0de0c3218d0 706 libs optional wftk_0.7.1-6.dsc
4905a9370b5165bfa536b76f24af9bae 29708 libs optional wftk_0.7.1-6.diff.gz
e501938299545dc7ebda1dd038d32418 346132 doc optional
libwftk-doc_0.7.1-6_all.deb
906af94c343233f4bd44c051389fc12d 99478 libdevel optional
libwftk-dev_0.7.1-6_i386.deb
b91267df308c88ccc57b4c632c0b97fc 287142 libs optional
libwftk-0.7_0.7.1-6_i386.deb
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