Re: g_ptr_array_sort crash

["David Necas (Yeti)" <yeti physics muni cz>]

On Sun, Feb 13, 2005 at 09:06:50AM +0100, Gyözö Both wrote:
> i'm sorting a pointer array and every once in a while i get a segfault.
> i'm checking the pointers before sorting with
> g_ptr_array_sort_with_data, and they are fine. the data i pass, an
> integer (with GINT_TO_POINTER) is also all right.
>
> ...
>
> i print out the two pointers pl1 and pl2, and mostly they are fine, but
> sometimes one of them looks weird (0x049) and is obviously invalid, so
> i get a segfault when the function tries to access the struct members.
>
> as i said, the pointers in the array are all valid and ok before i call
> g_ptr_array_sort.

Try valgrind, because this looks like consequences of
a memory problem that occurs elsewhere.  There are two
common problems it may not catch: overwritten stack and
wrong level of indirection (i.e., you used too much &'s
somewhere), but chances are it will find that `elsewhere'.

Yeti


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