X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=glwrap.h;h=bd2e265dac5e9d26c7d7a12821e08ea9f0c0e40a;hb=ca92cd15c67e52a9ed2d390f946b750e777b47d7;hp=9195007c4b51b15cd8eb38eea9439ee0c15d4579;hpb=c0c549440d852153d1777eca3fa962c1b70483b3;p=fips

diff --git a/glwrap.h b/glwrap.h
index 9195007..bd2e265 100644
--- a/glwrap.h
+++ b/glwrap.h
@@ -37,4 +37,12 @@ glwrap_lookup (char *name);
 	real_ ## function(__VA_ARGS__); 			\
 } while (0);
 
+/* As GLWRAP_DEFER, but also set 'ret' to the return value */
+#define GLWRAP_DEFER_WITH_RETURN(ret, function,...) do {	\
+	static typeof(&function) real_ ## function;		\
+	if (! real_ ## function)				\
+		real_ ## function = glwrap_lookup (#function);	\
+	(ret) = real_ ## function(__VA_ARGS__); 		\
+} while (0);
+
 #endif