RFC: ABI break

[Aurelien Jarno]

On Sat, Dec 31, 2005 at 11:22:06AM +0100, Aurelien Jarno wrote:
> Here is a backtrace with gdb:
> 
> Starting program: /usr/bin/esvn
> 
> Program received signal SIGSEGV, Segmentation fault.
> 0x2874cab2 in QFileInfo::setFile(QDir const&, QString const&) (
>     this=0xbfbfd2f0, d=@0x0, fileName=@0xbfbfd2e8) at tools/qfileinfo.cpp:335
> 335         fn  = d.filePath( fileName );
> Current language:  auto; currently c++
> (gdb) bt
> #0  0x2874cab2 in QFileInfo::setFile(QDir const&, QString const&) (
>     this=0xbfbfd2f0, d=@0x0, fileName=@0xbfbfd2e8) at tools/qfileinfo.cpp:335
> #1  0x2873468d in QDir::readDirEntries(QString const&, int, int) (this=0x0,
>     nameFilter=@0x0, filterSpec=0, sortSpec=0) at tools/qdir_unix.cpp:222
> (gdb)
> 
> Unfortunately I don't have a lot of time today to have a look, I'll have a 
> look tomorrow afternoon.
> 
Some more information:
I have added some debug printf() in Qt:
  printf("this = %p\n", this);
  readdir_r(dir, &u.mt_file, &file);
  printf("this = %p\n", this);

the this pointer becomes null after the call to readdir_r. We have a
problem in the libc function.

Bye,
Aurelien

-- 
  .''`.  Aurelien Jarno	            | GPG: 1024D/F1BCDB73
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