Re: [gnome-db] Libgda4.0.6 warnings and segfault

[Vivien Malerba <vmalerba gmail com>]

On 29 January 2010 17:09, Alberto Roman Linacero <aroman alienvault com> wrote:
> Dear all,
>
> I'm using libgda4.0.6 in debian lenny 64 bits and I'm having some strange
> behaviour. The code compiles fine but there are some problems:
>
> I'm getting the "assignment makes pointer from integer without a cast" warning
> when I try to do:
>
>  GdaSqlParser *parser = gda_sql_parser_new ();
>
> So I tried this:
>  parser = (GdaSqlParser *) gda_sql_parser_new ();
>
> But then it shows the warning: "cast to pointer from integer of different
> size"
>
> This warning doesn't appears when I do:
>    parser = gda_connection_create_parser (conn);
> or
>    parser = (GdaSqlParser *) gda_connection_create_parser (conn);

You need to include another header:
#include <libgda/sql-parser/gda-sql-parser.h>
see http://library.gnome.org/devel/libgda/stable/GdaSqlParser.html

>
> So, when I do this later:
>   GdaStatement *stmt = gda_sql_parser_parse_string (parser, buffer, &remain,
> &error__);
>
> It segfaults and gdb shows an assertion:
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0x7f95b017a770 (LWP 29995)]
> 0x00007f95afa3a36a in gda_connection_statement_execute_select (cnc=0x851380,
> stmt=0x207784c0, params=0x0, error=0x7fff2f0a14b8) at gda-connection.c:1842
> 1842            g_return_val_if_fail (GDA_IS_STATEMENT (stmt), NULL);

Can you post the actual lines of code which produce that result as it
is otherwise very difficult to tell what's wrong.

Regards,

Vivien