1 /* 2 * Copyright (c) 2020 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef VPX_VPX_PORTS_STATIC_ASSERT_H_ 12 #define VPX_VPX_PORTS_STATIC_ASSERT_H_ 13 14 #if defined(_MSC_VER) 15 #define VPX_STATIC_ASSERT(boolexp) \ 16 do { \ 17 char vpx_static_assert[(boolexp) ? 1 : -1]; \ 18 (void)vpx_static_assert; \ 19 } while (0) 20 #else // !_MSC_VER 21 #define VPX_STATIC_ASSERT(boolexp) \ 22 do { \ 23 struct { \ 24 unsigned int vpx_static_assert : (boolexp) ? 1 : -1; \ 25 } vpx_static_assert; \ 26 (void)vpx_static_assert; \ 27 } while (0) 28 #endif // _MSC_VER 29 30 #endif // VPX_VPX_PORTS_STATIC_ASSERT_H_ 31