godot/thirdparty/libktx/utils/unused.h
acazuc a00cf02241 Add support for KTX & KTX2 image format
Add support glTF KHR_texture_basisu extension
2023-08-19 10:27:29 +02:00

37 lines
901 B
C++

/* -*- tab-width: 4; -*- */
/* vi: set sw=2 ts=4 expandtab: */
/* Copyright 2019-2018 The Khronos Group Inc.
* SPDX-License-Identifier: Apache-2.0
*/
/* I'm extending this beyond the purpose implied by its name rather than creating
* a new file to hold the FALLTHROUGH declaration as this
* file is already included in most places FALLTHROUGH
* is needed.
*/
#ifndef _UNUSED_H
#define _UNUSED_H
#if (__cplusplus >= 201703L)
#define MAYBE_UNUSED [[maybe_unused]]
#elif __GNUC__ || __clang__
#define MAYBE_UNUSED __attribute__((unused))
#else
// Boohoo. VC++ has no equivalent
#define MAYBE_UNUSED
#endif
#define U_ASSERT_ONLY MAYBE_UNUSED
// For unused parameters of c functions. Portable.
#define UNUSED(x) (void)(x)
#if !__clang__ && __GNUC__ // grumble ... clang ... grumble
#define FALLTHROUGH __attribute__((fallthrough))
#else
#define FALLTHROUGH
#endif
#endif /* UNUSED_H */