From 54def794e8f2115f80bbcf76e9547cd366c9c029 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Niels=20M=C3=B6ller?= <nisse@lysator.liu.se>
Date: Sun, 17 Jun 2001 00:27:37 +0200
Subject: [PATCH] * macros.h (FOR_BLOCKS): New macro, taken from lsh.
Rev: src/nettle/macros.h:1.2
---
macros.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/macros.h b/macros.h
index 7aa85d18..6b3d1b63 100644
--- a/macros.h
+++ b/macros.h
@@ -55,5 +55,11 @@ do { \
(p)[0] = (i) & 0xff; \
} while(0)
+/* Macro to make it easier to loop over several blocks. */
+#define FOR_BLOCKS(length, dst, src, blocksize) \
+ assert( !((length) % (blocksize))); \
+ for (; (length); ((length) -= (blocksize), \
+ (dst) += (blocksize), \
+ (src) += (blocksize)) )
#endif /* NETTLE_MACROS_H_INCLUDED */
--
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