- (djm) [defines.h sshbuf.c] Move __predict_true|false to defines.h and

   conditionalise to avoid duplicate definition.

3 files changed, 16 insertions, 11 deletions

diff --git a/ChangeLog b/ChangeLog
index 97eb0a8c..128368da 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+20140903
+ - (djm) [defines.h sshbuf.c] Move __predict_true|false to defines.h and
+   conditionalise to avoid duplicate definition.
+
 20140830
  - (djm) [openbsd-compat/openssl-compat.h] add
    OPENSSL_[RD]SA_MAX_MODULUS_BITS defines for OpenSSL that lacks them
diff --git a/defines.h b/defines.h
index f1deafa6..3ac8be98 100644
--- a/defines.h
+++ b/defines.h
@@ -25,7 +25,7 @@
 #ifndef _DEFINES_H
 #define _DEFINES_H
 
-/* $Id: defines.h,v 1.182 2014/06/16 12:50:56 dtucker Exp $ */
+/* $Id: defines.h,v 1.183 2014/09/02 19:33:26 djm Exp $ */
 
 
 /* Constants */
@@ -830,4 +830,15 @@ struct winsize {
 # endif
 #endif
 
+#ifndef __predict_true
+# if defined(__GNUC__) && \
+     ((__GNUC__ > (2)) || (__GNUC__ == (2) && __GNUC_MINOR__ >= (96)))
+#  define __predict_true(exp)     __builtin_expect(((exp) != 0), 1)
+#  define __predict_false(exp)    __builtin_expect(((exp) != 0), 0)
+# else
+#  define __predict_true(exp)     ((exp) != 0)
+#  define __predict_false(exp)    ((exp) != 0)
+# endif /* gcc version */
+#endif /* __predict_true */
+
 #endif /* _DEFINES_H */
diff --git a/sshbuf.c b/sshbuf.c
index 5df7c9f4..78f5340a 100644
--- a/sshbuf.c
+++ b/sshbuf.c
@@ -28,16 +28,6 @@
 #include "ssherr.h"
 #include "sshbuf.h"
 
-/* XXX move to defines.h? */
-#if defined(__GNUC__) && \
-    ((__GNUC__ > (2)) || (__GNUC__ == (2) && __GNUC_MINOR__ >= (96)))
-#define __predict_true(exp)     __builtin_expect(((exp) != 0), 1)
-#define __predict_false(exp)    __builtin_expect(((exp) != 0), 0)
-#else
-#define __predict_true(exp)     ((exp) != 0)
-#define __predict_false(exp)    ((exp) != 0)
-#endif
-
 static inline int
 sshbuf_check_sanity(const struct sshbuf *buf)
 {