/****************************************************************************** * * Copyright 2014 The Android Open Source Project * Copyright 2002 - 2004 Open Interface North America, Inc. All rights * reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ******************************************************************************/ #ifndef _OI_ASSERT_H #define _OI_ASSERT_H /** @file This file provides macros and functions for compile-time and run-time assertions. When the OI_DEBUG preprocessor value is defined, the macro OI_ASSERT is compiled into the program, providing for a runtime assertion failure check. C_ASSERT is a macro that can be used to perform compile time checks. */ /******************************************************************************* $Revision: #1 $ ******************************************************************************/ /** \addtogroup Debugging Debugging APIs */ /**@{*/ #ifdef __cplusplus extern "C" { #endif #ifdef OI_DEBUG /** The macro OI_ASSERT takes a condition argument. If the asserted condition does not evaluate to true, the OI_ASSERT macro calls the host-dependent function, OI_AssertFail(), which reports the failure and generates a runtime error. */ void OI_AssertFail(char* file, int line, char* reason); #define OI_ASSERT(condition) \ { \ if (!(condition)) OI_AssertFail(__FILE__, __LINE__, #condition); \ } #define OI_ASSERT_FAIL(msg) \ { OI_AssertFail(__FILE__, __LINE__, msg); } #else #define OI_ASSERT(condition) #define OI_ASSERT_FAIL(msg) #endif /** C_ASSERT() can be used to perform many compile-time assertions: type sizes, field offsets, etc. An assertion failure results in compile time error C2118: negative subscript. Unfortunately, this elegant macro doesn't work with GCC, so it's all commented out for now. Perhaps later..... */ #ifndef C_ASSERT // #define C_ASSERT(e) typedef char __C_ASSERT__[(e)?1:-1] // #define C_ASSERT(e) #endif /*****************************************************************************/ #ifdef __cplusplus } #endif /**@}*/ #endif /* _OI_ASSERT_H */