1*b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 2379d61b1SArnaldo Carvalho de Melo #ifndef _TOOLS_PERF_LINUX_BUG_H 3379d61b1SArnaldo Carvalho de Melo #define _TOOLS_PERF_LINUX_BUG_H 4379d61b1SArnaldo Carvalho de Melo 5379d61b1SArnaldo Carvalho de Melo /* Force a compilation error if condition is true, but also produce a 6379d61b1SArnaldo Carvalho de Melo result (of value 0 and type size_t), so the expression can be used 7379d61b1SArnaldo Carvalho de Melo e.g. in a structure initializer (or where-ever else comma expressions 8379d61b1SArnaldo Carvalho de Melo aren't permitted). */ 9379d61b1SArnaldo Carvalho de Melo #define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); })) 10379d61b1SArnaldo Carvalho de Melo 11379d61b1SArnaldo Carvalho de Melo #endif /* _TOOLS_PERF_LINUX_BUG_H */ 12