1.001 release

[imager.git] / imdatatypes.h

diff --git a/imdatatypes.h b/imdatatypes.h
index a7419ea5bc93625356446cbcfb6e56bbac602142..9d5cf7471f50ccafd3255552b3b4d510452d7848 100644 (file)
--- a/imdatatypes.h
+++ b/imdatatypes.h
@@ -41,6 +41,9 @@ May be larger than int on some platforms.
 */
 
 typedef ptrdiff_t i_img_dim;
+typedef size_t i_img_dim_u;
+
+#define i_img_dim_MAX ((i_img_dim)(~(i_img_dim_u)0 >> 1))
 
 /*
 =item i_color