ref: fc5ab625b5f8daa7f9f10667ca022fd404a71f61
dir: libvpx/vpx_ports/static_assert.h
/*
* Copyright (c) 2020 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VPX_VPX_PORTS_STATIC_ASSERT_H_
#define VPX_VPX_PORTS_STATIC_ASSERT_H_
#if defined(_MSC_VER)
#define VPX_STATIC_ASSERT(boolexp) \
do { \
char vpx_static_assert[(boolexp) ? 1 : -1]; \
(void)vpx_static_assert; \
} while (0)
#else // !_MSC_VER
#define VPX_STATIC_ASSERT(boolexp) \
do { \
struct { \
unsigned int vpx_static_assert : (boolexp) ? 1 : -1; \
} vpx_static_assert; \
(void)vpx_static_assert; \
} while (0)
#endif // _MSC_VER
#endif // VPX_VPX_PORTS_STATIC_ASSERT_H_