possible memleak with pangoft2?

[John Cupitt <jcupitt@xxxxxxxxx>]

Hi all, 

I'm having problems plugging a memleak in a program using pangoft2.
This program seems to leak about 250kbytes per loop on my system. Am I
doing something stupid, or should I add to bugzilla?

This is pango-1.8.1, freetype 2.1.4

John

------------ snip ---------------
/* 

  compile with:

        gcc -g -Wall `pkg-config pango pangoft2 --cflags --libs` texttest.c

 */

#include <pango/pango.h>
#include <pango/pangoft2.h>

static void
test( const char *text, const char *font ) 
{
        PangoFontMap *fontmap;
        PangoContext *context;
        PangoLayout *layout;
        PangoFontDescription *font_description;
        PangoRectangle logical_rect;

        fontmap = pango_ft2_font_map_new();
        context = pango_ft2_font_map_create_context( 
                PANGO_FT2_FONT_MAP( fontmap ) );

        layout = pango_layout_new( context );

        font_description = pango_font_description_from_string( font );
        pango_layout_set_font_description( layout, font_description );
        pango_font_description_free( font_description );

        pango_layout_set_markup( layout, text, -1 );

        /* Comment this line out and the leak stops.
         */
        pango_layout_get_extents( layout, NULL, &logical_rect );

        g_object_unref( layout );
        g_object_unref( context );
        g_object_unref( fontmap );
}

int
main( int argc, char *argv[] )
{
        int i;

        test( "AAA0001234", "courier 12" );

        /* At this point, RSS == 2616
         */
        getchar();

        for( i = 0; i < 1000; i++ )    
                test( "AAA0001234", "courier 12" );

        /* At this point, RSS == 253236, so we leak about 250k per
         * pango_layout_get_extents().
         */
        getchar();

        return( 0 );
}
--------------------------- snip ---------------------------
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