xref: /OK3568_Linux_fs/kernel/tools/include/linux/bug.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef _TOOLS_PERF_LINUX_BUG_H
3*4882a593Smuzhiyun #define _TOOLS_PERF_LINUX_BUG_H
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun /* Force a compilation error if condition is true, but also produce a
6*4882a593Smuzhiyun    result (of value 0 and type size_t), so the expression can be used
7*4882a593Smuzhiyun    e.g. in a structure initializer (or where-ever else comma expressions
8*4882a593Smuzhiyun    aren't permitted). */
9*4882a593Smuzhiyun #define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #endif	/* _TOOLS_PERF_LINUX_BUG_H */
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