Figure out endianness at compile-time, using _BYTE_ORDER from

<machine/endian.h>, rather than writing 1 to a 32-bit variable and checking
whether the first byte is nonzero.

tweaks and ok matthew@; ok beck@ tedu@

1 files changed, 2 insertions, 5 deletions

diff --git a/src/lib/libssl/d1_pkt.c b/src/lib/libssl/d1_pkt.c
index 80a4c076bf..7cfada4e6b 100644
--- a/src/lib/libssl/d1_pkt.c
+++ b/src/lib/libssl/d1_pkt.c
@@ -115,6 +115,7 @@
 
 #include <stdio.h>
 #include <errno.h>
+#include <machine/endian.h>
 #include "ssl_locl.h"
 #include <openssl/evp.h>
 #include <openssl/buffer.h>
@@ -129,13 +130,9 @@ satsub64be(const unsigned char *v1, const unsigned char *v2)
 
         if (sizeof(long) == 8)
                 do {
-                        const union {
-                                long one;
-                                char little;
-                        } is_endian = {1};
                         long l;
 
-                        if (is_endian.little)
+                        if (_BYTE_ORDER == _LITTLE_ENDIAN)
                                 break;
                         /* not reached on little-endians */
                         /* following test is redundant, because input is