From b8be614461ff04f02f8234859917d2ef2ba6dacc Mon Sep 17 00:00:00 2001
From: Samy Al Bahra <sbahra@repnop.org>
Date: Sun, 19 Apr 2015 16:35:22 -0400
Subject: [PATCH] ck_cc: Add DECONST_PTR and RESTRICT.

DECONST_PTR is a hack to deconstify void pointer values
that is safe in presence of -Wcast-qual. CK_CC_RESTRICT
is restrict qualifier that can be disabled for only
partially C99 compliant compilers.
---
 include/ck_cc.h     | 6 ++++++
 include/gcc/ck_cc.h | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/include/ck_cc.h b/include/ck_cc.h
index 98090d9..5fea780 100644
--- a/include/ck_cc.h
+++ b/include/ck_cc.h
@@ -32,6 +32,12 @@
 #include "gcc/ck_cc.h"
 #endif
 
+#ifndef CK_CC_RESTRICT
+#define CK_CC_RESTRICT
+#endif
+
+#define CK_CC_DECONST_PTR(X) ((void *)(uintptr_t)(X))
+
 /*
  * Container function.
  * This relies on (compiler) implementation-defined behavior.
diff --git a/include/gcc/ck_cc.h b/include/gcc/ck_cc.h
index e504ccb..481a314 100644
--- a/include/gcc/ck_cc.h
+++ b/include/gcc/ck_cc.h
@@ -57,6 +57,8 @@
 #define CK_CC_INLINE CK_CC_UNUSED
 #endif
 
+#define CK_CC_RESTRICT restrict
+
 /*
  * Packed attribute.
  */