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api: reimplement BUILD_BUG_ON in compiler.h
[userspace-rcu.git]
/
urcu
/
compiler.h
diff --git
a/urcu/compiler.h
b/urcu/compiler.h
index 54904cc4078ed144f8a25bc4778cea1ef7fd1319..489677b3aefe1ad6dd294006d903721f375f66a7 100644
(file)
--- a/
urcu/compiler.h
+++ b/
urcu/compiler.h
@@
-61,4
+61,7
@@
(type *)((char *)__ptr - offsetof(type, member)); \
})
(type *)((char *)__ptr - offsetof(type, member)); \
})
+#define CAA_BUILD_BUG_ON_ZERO(cond) (sizeof(struct { int:-!!(cond); }))
+#define CAA_BUILD_BUG_ON(cond) ((void)BUILD_BUG_ON_ZERO(cond))
+
#endif /* _URCU_COMPILER_H */
#endif /* _URCU_COMPILER_H */
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