rc4: Round up output buffer size.

[paraslash.git] / para.h

diff --git a/para.h b/para.h
index eb99ec68e6f2609da70f8d75d3dc038c1c4ea59e..a580b14c9946bf9d10d1062a49b445e295ba72ff 100644 (file)
--- a/para.h
+++ b/para.h
@@ -206,3 +206,5 @@ static inline int para_random(unsigned max)
        return ((max + 0.0) * (rand() / (RAND_MAX + 1.0)));
 }
 
+/* Round up x to a multiple of y */
+#define ROUND_UP(x, y) (((x) + (y - 1) / (y)) * (y))