-#ifndef CCAN_BUILD_ASSERT_H
-#define CCAN_BUILD_ASSERT_H
-
-/**
- * BUILD_ASSERT - assert a build-time dependency.
- * @cond: the compile-time condition which must be true.
- *
- * Your compile will fail if the condition isn't true, or can't be evaluated
- * by the compiler. This can only be used within a function.
- *
- * Example:
- * char *foo_to_char(struct foo *foo)
- * {
- * // This code needs string to be at start of foo.
- * BUILD_ASSERT(offsetof(struct foo, string) == 0);
- * return (char *)foo;
- * }
- */
-#define BUILD_ASSERT(cond) \
- do { (void) sizeof(char [1 - 2*!(cond)]); } while(0)
-
-/**
- * EXPR_BUILD_ASSERT - assert a build-time dependency, as an expression.
- * @cond: the compile-time condition which must be true.
- *
- * Your compile will fail if the condition isn't true, or can't be evaluated
- * by the compiler. This can be used in an expression: its value is "0".
- *
- * Example:
- * #define foo_to_char(foo) \
- * ((char *)(foo) \
- * + EXPR_BUILD_ASSERT(offsetof(struct foo, string) == 0))
- */
-#define EXPR_BUILD_ASSERT(cond) \
- (sizeof(char [1 - 2*!(cond)]) - 1)
-
-#endif /* CCAN_BUILD_ASSERT_H */