1 files changed, 46 insertions, 0 deletions
diff --git a/src/common/macros.h b/src/common/macros.h
new file mode 100644
index 0000000..65311fd
--- /dev/null
+++ b/src/common/macros.h
@@ -0,0 +1,46 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * macros.h - prototypes de macros utiles
+ *
+ * Copyright (C) 2008 Cyrille Bagard
+ *
+ *  This file is part of OpenIDA.
+ *
+ *  OpenIDA is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  OpenIDA is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#ifndef _COMMON_MACROS_H
+#define _COMMON_MACROS_H
+
+
+#include <stddef.h>
+#include <stdint.h>
+
+
+
+#ifndef NULL
+#   define NULL ((void *)0)
+#endif
+
+
+#define container_of(ptr, type, member)                         \
+    ({                                                          \
+        const typeof(((type *)NULL)->member) *__mptr = (ptr);   \
+        (type *)((uint8_t *)__mptr - offsetof(type, member));   \
+    })
+
+
+
+#endif  /* _COMMON_MACROS_H */