/* * Copyright (c) 2015-2020 François Tigeot * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice unmodified, this list of conditions, and the following * disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef LINUX_BUG_H #define LINUX_BUG_H #include #include /* * Some conditions result in a "expression in static assertion is not constant" * compilation error; just disable the check for now. */ #define BUILD_BUG_ON(condition) #define BUILD_BUG_ON_NOT_POWER_OF_2(n) \ CTASSERT(((n) != 0) && (powerof2((n)))) #define BUILD_BUG() BUILD_BUG_ON(1) #define BUILD_BUG_ON_MSG(cond, msg) do { } while (0) #define BUILD_BUG_ON_INVALID(expr) ((void)(expr)) #define BUILD_BUG_ON_ZERO(x) 0 #endif /* LINUX_BUG_H */