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pixbuf-engine: Improve ThemePixbuf clean up functions

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Make theme_pixbuf_destroy() NULL-safe like g_free(), and add a clear
function in the spirit of the g_clear_* family of functions.

https://bugzilla.gnome.org/show_bug.cgi?id=712536
This commit is contained in:
Emmanuele Bassi 2013-11-18 11:04:37 +00:00 committed by Matthias Clasen
parent 0d396abf22
commit 01dfd8bb6e
2 changed files with 20 additions and 2 deletions
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21
modules/engines/pixbuf/pixbuf-render.c
View File

@ -492,8 +492,25 @@ theme_pixbuf_new (void)
void
theme_pixbuf_destroy (ThemePixbuf *theme_pb)
{
theme_pixbuf_set_filename (theme_pb, NULL);
g_free (theme_pb);
if (G_LIKELY (theme_pb))
{
theme_pixbuf_set_filename (theme_pb, NULL);
g_free (theme_pb);
}
}
void
theme_clear_pixbuf (ThemePixbuf **theme_pb)
{
#if GLIB_CHECK_VERSION (2, 34, 0)
g_clear_pointer (theme_pb, theme_pixbuf_destroy);
#else
if (*theme_pb)
{
theme_pixbuf_destroy (*theme_pb);
*theme_pb = NULL;
}
#endif
}
void

1
modules/engines/pixbuf/pixbuf.h
View File

@ -188,6 +188,7 @@ struct _ThemeImage
G_GNUC_INTERNAL ThemePixbuf *theme_pixbuf_new (void);
G_GNUC_INTERNAL void theme_pixbuf_destroy (ThemePixbuf *theme_pb);
G_GNUC_INTERNAL void theme_clear_pixbuf (ThemePixbuf **theme_pb);
G_GNUC_INTERNAL void theme_pixbuf_set_filename (ThemePixbuf *theme_pb,
const char *filename);
G_GNUC_INTERNAL GdkPixbuf * theme_pixbuf_get_pixbuf (ThemePixbuf *theme_pb);