util.h
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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef TRUSTY_UTIL_H_
#define TRUSTY_UTIL_H_
#include <trusty/sysdeps.h>
/* Returns the basename of |str|. This is defined as the last path
* component, assuming the normal POSIX separator '/'. If there are no
* separators, returns |str|.
*/
const char* trusty_basename(const char* str);
#define TRUSTY_STRINGIFY(x) #x
#define TRUSTY_TO_STRING(x) TRUSTY_STRINGIFY(x)
/*
* Aborts the program if @expr is false.
*
* This has no effect unless TIPC_ENABLE_DEBUG is defined.
*/
#ifdef TIPC_ENABLE_DEBUG
#define trusty_assert(expr) \
do { \
if (!(expr)) { \
trusty_fatal("assert fail: " #expr "\n"); \
} \
} while(0)
#else
#define trusty_assert(expr)
#endif
/*
* Prints debug message.
*
* This has no effect unless TIPC_ENABLE_DEBUG and LOCAL_LOG is defined.
*/
#ifdef TIPC_ENABLE_DEBUG
#define trusty_debug(message, ...) \
do { \
if (LOCAL_LOG) { \
trusty_printf(trusty_basename(__FILE__)); \
trusty_printf(":" TRUSTY_TO_STRING(__LINE__) ": DEBUG "); \
trusty_printf(message, ##__VA_ARGS__); \
} \
} while(0)
#else
#define trusty_debug(message, ...)
#endif
/*
* Prints info message.
*/
#define trusty_info(message, ...) \
do { \
trusty_printf(trusty_basename(__FILE__)); \
trusty_printf(": INFO "); \
trusty_printf(message, ##__VA_ARGS__); \
} while(0)
/*
* Prints error message.
*/
#define trusty_error(message, ...) \
do { \
trusty_printf(trusty_basename(__FILE__)); \
trusty_printf(":" TRUSTY_TO_STRING(__LINE__) ": ERROR "); \
trusty_printf(message, ##__VA_ARGS__); \
} while(0)
/*
* Prints message and calls trusty_abort.
*/
#define trusty_fatal(message, ...) \
do { \
trusty_printf(trusty_basename(__FILE__)); \
trusty_printf(":" TRUSTY_TO_STRING(__LINE__) ": FATAL "); \
trusty_printf(message, ##__VA_ARGS__); \
trusty_abort(); \
} while(0)
#endif /* TRUSTY_UTIL_H_ */