move endian/word size checks from runtime to compile time

ok guenther@

1 files changed, 9 insertions, 10 deletions

diff --git a/src/lib/libcrypto/modes/ctr128.c b/src/lib/libcrypto/modes/ctr128.c
index 7fd0223701..23979d64f1 100644
--- a/src/lib/libcrypto/modes/ctr128.c
+++ b/src/lib/libcrypto/modes/ctr128.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ctr128.c,v 1.6 2015/02/10 09:46:30 miod Exp $ */
+/* $OpenBSD: ctr128.c,v 1.7 2017/08/13 17:46:24 bcook Exp $ */
 /* ====================================================================
  * Copyright (c) 2008 The OpenSSL Project.  All rights reserved.
  *
@@ -81,22 +81,21 @@ static void ctr128_inc(unsigned char *counter) {
 static void
 ctr128_inc_aligned(unsigned char *counter)
 {
-        size_t *data,c,n;
-
-        if (BYTE_ORDER == LITTLE_ENDIAN) {
-                ctr128_inc(counter);
-                return;
-        }
-
+#if BYTE_ORDER == LITTLE_ENDIAN
+        ctr128_inc(counter);
+#else
+        size_t *data, c, n;
         data = (size_t *)counter;
-        n = 16/sizeof(size_t);
+        n = 16 / sizeof(size_t);
         do {
                 --n;
                 c = data[n];
                 ++c;
                 data[n] = c;
-                if (c) return;
+                if (c)
+                        return;
         } while (n);
+#endif
 }
 #endif