static void
initialise_schema_sources (void)
{
static gsize initialised;
/* need a separate variable because 'schema_sources' may legitimately
* be null if we have zero valid schema sources
*/
if G_UNLIKELY (g_once_init_enter (&initialised))
{
const gchar * const *dirs;
const gchar *path;
gint i;
/* iterate in reverse: count up, then count down */
dirs = g_get_system_data_dirs ();
for (i = 0; dirs[i]; i++);
while (i--)
{
gchar *dirname;
dirname = g_build_filename (dirs[i], "glib-2.0", "schemas", NULL);
try_prepend_dir (dirname);
g_free (dirname);
}
if ((path = g_getenv ("GSETTINGS_SCHEMA_DIR")) != NULL)
try_prepend_dir (path);
g_once_init_leave (&initialised, TRUE);
}
}
static void
try_prepend_data_dir (const gchar *directory)
{
gchar *dirname = g_build_filename (directory, "glib-2.0", "schemas", NULL);
try_prepend_dir (dirname);
g_free (dirname);
}