gstvalue: Allow NULL dest when subtracting bitmask

Happens when checking for subsets of caps
This commit is contained in:
Edward Hervey 2012-01-06 15:01:24 +01:00
parent ad9450e1c0
commit 77506a82b0

View file

@ -4822,7 +4822,6 @@ gst_value_subtract_bitmask_bitmask (GValue * dest,
{
guint64 m, s, r;
g_return_val_if_fail (dest != NULL, FALSE);
g_return_val_if_fail (GST_VALUE_HOLDS_BITMASK (minuend), FALSE);
g_return_val_if_fail (GST_VALUE_HOLDS_BITMASK (subtrahend), FALSE);
@ -4830,9 +4829,10 @@ gst_value_subtract_bitmask_bitmask (GValue * dest,
s = subtrahend->data[0].v_uint64;
r = m & (~s);
g_value_init (dest, GST_TYPE_BITMASK);
gst_value_set_bitmask (dest, r);
if (dest) {
g_value_init (dest, GST_TYPE_BITMASK);
gst_value_set_bitmask (dest, r);
}
return (r != 0);
}