Re: [gtk-list] Re: 1.1.14 and a lot of core dumps

[Bernd Senf <bsenf imb-jena de>]

Owen Taylor wrote:
> 
> Alberto Manuel Brandao Simoes <mc23801@ci.uminho.pt> writes:
> 
> >       I'm programming NumExp with GTK+, and I have a BIG PROBLEM!
> > Since I've changed to 1.1.14, my program does core dumps, and more
> > core dumps.
> >
> >       here is an extract from gdb:
> >
> > Program received signal SIGSEGV, Segmentation fault.
> > 0x4026694f in chunk_free (ar_ptr=0x402bb420, p=0x809e298) at malloc.c:2959
> > malloc.c:2959: No such file or directory.
> > (gdb) up
> > #1  0x402667c1 in __libc_free (mem=0x809e2a0) at malloc.c:2872
> > malloc.c:2872: No such file or directory.
> > (gdb) up
> > #2  0x4015a99d in g_free (mem=0x809e2a0) at gmem.c:394
> > gmem.c:394: No such file or directory.
> > (gdb) up
> > #3  0x4006ab8e in gtk_entry_finalize (object=0x80a3e08) at gtkentry.c:526
> > gtkentry.c:526: No such file or directory.
> >
> >       I think the problem is from GTK+! Can anybody give me a hand??
> 
> Without knowing what you are doing, no. Please see the
> section on "Reporting Bugs" in the README file.
> 
>                                         Owen
> 
> (A wild guess might be that you are calling free() on the
> results of gtk_entry_get_text(). That function just returns
> a pointer to the internal data and doesn't make a copy -
> and never has)
> 
I have alse installed Version 1.1.14 and got some core in the base
examples "base" and "filesel", but not in "testgtk".

I have found this patch within this news-list and now it works:

(Also reported from Ben Gertzfield <che@debian.org> and Havoc
Pennington <hp@Jupiter.mcs.net> a few days ago):


--- gutils.c.orig       Thu Jan 28 23:25:19 1999
+++ gutils.c    Thu Jan 28 23:25:34 1999
@@ -443,7 +443,7 @@
 
 #  ifdef HAVE_GETPWUID_R
         struct passwd pwd;
-        guint bufsize = 1; /* sizeof (struct passwd); */
+        guint bufsize = sizeof (struct passwd);
         gint error;


Maybe this will solve the same problem.
(glib 1.1.14, gtk+ 1.1.14, HPUX 10.20)
-- 
-- 
Bernd Senf: IMB Jena     mailto:bsenf@imb-jena.de
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