Add some useful functions for the Perl module.

[qscale] / qscale.i

diff --git a/qscale.i b/qscale.i
index 09fba8307cb616d610ec59da01c07da9e197512c..2da063e5264a76a26e697e30d6260171fc5e9d49 100644 (file)
--- a/qscale.i
+++ b/qscale.i
@@ -2,5 +2,11 @@
 
 %{
 #include "libqscale.h"
+
+int qscale_is_invalid(qscale_img *img) {
+        return (img == NULL);
+}
 %}
 %include "libqscale.h"
+
+int qscale_is_invalid(qscale_img *img);