gcc macro cleanup

Signed-off-by: Hanoh Haim <hhaim@cisco.com>

1 files changed, 39 insertions, 0 deletions

diff --git a/src/common/utl_gcc_diag.h b/src/common/utl_gcc_diag.h
new file mode 100644
index 00000000..1bda919d
--- /dev/null
+++ b/src/common/utl_gcc_diag.h
@@ -0,0 +1,39 @@
+#ifndef UTL_GCC_DIAG_H
+#define UTL_GCC_DIAG_H
+
+/*
+ Hanoh Haim
+ Cisco Systems, Inc.
+*/
+
+/*
+Copyright (c) 2015-2015 Cisco Systems, Inc.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+
+#define GCC_DIAG_STR(s) #s
+#define GCC_DIAG_JOINSTR(x,y) GCC_DIAG_STR(x ## y)
+# define GCC_DIAG_DO_PRAGMA(x) _Pragma (#x)
+# define GCC_DIAG_PRAGMA(x) GCC_DIAG_DO_PRAGMA(GCC diagnostic x)
+#define GCC_DIAG_OFF(x) GCC_DIAG_PRAGMA(push) \
+    GCC_DIAG_PRAGMA(ignored GCC_DIAG_JOINSTR(-W,x))
+#define GCC_DIAG_ON() GCC_DIAG_PRAGMA(pop)
+
+#define UNSAFE_CONTAINER_OF_PUSH GCC_DIAG_OFF(invalid-offsetof)
+#define UNSAFE_CONTAINER_OF_POP  GCC_DIAG_ON()
+
+
+
+#endif