Re: EasyDiff on windows crash

[Riccardo Mottola]

On 2012-08-09 23:47:58 +0200 Adam Fedor <fedor@gnu.org> wrote:

> On Aug 9, 2012, at 7:38 AM, Riccardo Mottola wrote:
>
> > Hi,
> >
> > after cleaning it a bit up, I have EasyDiff compiling and running on 
> > windows. Hover if I compare (even the same file with itself) I get a 
> > crash
> >
> > #0  -[NSException raise] (self=0x589d6d90, _cmd=0x66ff04a8)
> >     at NSException.m:955
> > #1  0x66e705d3 in +[NSException raise:format:] (self=0x66ff02c0,
> >     _cmd=0x67041180, name=0x66feffe4, format=0x67041018) at 
> > NSException.m:835
> > #2  0x66f6156c in default_realloc (zone=0x67040fc0, ptr=0x411b0020,
> >     size=161441860) at NSZone.m:150
> > #3  0x66dc33f3 in -[GSMutableArray addObject:] (self=0x4817058,
> >     _cmd=0x414db0, anObject=0x589d6648) at GSArray.m:461
> > #4  0x00407906 in -[DiffWrapper initWithFilename:andFilename:] (
> >     self=0x47bf5f0, _cmd=0x415b60, file1=0x4813a90, file2=0x48966e8)
> >     at DiffWrapper.m:70
> > #5  0x00408d43 in -[DiffWindowController 
> > _initWithFilename:andFilename:] (
> >     self=0x48dfce0, _cmd=0x415af8, filename1=0x4813a90, 
> > filename2=0x48966e8)
> >     at DiffWindowController.m:130
> > #6  0x00408a09 in -[DiffWindowController 
> > initWithFilename:andFilename:] (
> >     self=0x48dfce0, _cmd=0x417e10, filename1=0x4813a90, 
> > filename2=0x48966e8)
> >     at DiffWindowController.m:88
> > #7  0x0040d70a in -[DiffFileChooser compare:] (self=0x47cabb0,
> >
> > If I try to check which number is being added, I get:
> > (gdb) p anObject
> > $1 = (id) 0x589d6648
> > (gdb) po anObject
> > 89
>
> That's an odd backtrace - initWithFilename:andFilename: is called 
> twice.  I 
> often find that the windows debugger gets confused.  Most of the time 
> I have 
> to single-step through the program from a known good point until I 
> find a 
> problem.
It looks o9nly that it is called twice: once it is 
[DiffWindowController _initWithFilename:andFilename:] and once 
[DiffWindowController initWithFilename:andFilename:]. Note the 
underscore.

Riccardo