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/*
* The MIT License (MIT)
*
* Copyright © 2015-2016 Franklin "Snaipe" Mathieu <http://snai.pe/>
*
* 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 ERR_H_
#define ERR_H_
#include <errno.h>
#include "common.h"
CR_FORMAT(printf, 1, 2)
CR_NORETURN void cr_panic(const char *str, ...);
#define errno_ignore(Stmt) \
do { \
int err = errno; \
Stmt; \
errno = err; \
} while (0)
#define errno_return(Err, Val) \
do { \
errno = (Err); \
return (Val); \
} while (0)
#undef assert
#define assert(Cnd) \
do { \
if (!(Cnd)) { \
cr_panic("Assertion failed: %s\n\t@ %s:%d (%s)", #Cnd, __FILE__, \
__LINE__, __func__); \
} \
} while (0)
#ifdef NDEBUG
# define debug_assert(Cnd)
#else
# define debug_assert(Cnd) assert(Cnd)
#endif
#endif /* !ERR_H_ */
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