diff options
Diffstat (limited to 'third_party/libwebrtc/rtc_base/system/unused.h')
| -rw-r--r-- | third_party/libwebrtc/rtc_base/system/unused.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/third_party/libwebrtc/rtc_base/system/unused.h b/third_party/libwebrtc/rtc_base/system/unused.h new file mode 100644 index 0000000000..03d0c2f0a7 --- /dev/null +++ b/third_party/libwebrtc/rtc_base/system/unused.h @@ -0,0 +1,28 @@ +/* + * Copyright (c) 2018 The WebRTC 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 RTC_BASE_SYSTEM_UNUSED_H_ +#define RTC_BASE_SYSTEM_UNUSED_H_ + +// Prevent the compiler from warning about an unused variable. For example: +// int result = DoSomething(); +// RTC_DCHECK(result == 17); +// RTC_UNUSED(result); +// Note: In most cases it is better to remove the unused variable rather than +// suppressing the compiler warning. +#ifndef RTC_UNUSED +#ifdef __cplusplus +#define RTC_UNUSED(x) static_cast<void>(x) +#else +#define RTC_UNUSED(x) (void)(x) +#endif +#endif // RTC_UNUSED + +#endif // RTC_BASE_SYSTEM_UNUSED_H_ |