efl/legacy/eina/src/include/eina_safety_checks.h

124 lines
3.3 KiB
C

/* EINA - EFL data type library
* Copyright (C) 2008 Gustavo Sverzut Barbieri
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library;
* if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef EINA_SAFETY_CHECKS_H_
#define EINA_SAFETY_CHECKS_H_
#include "eina_config.h"
#ifdef EINA_SAFETY_CHECKS
#include "eina_error.h"
#define EINA_SAFETY_ON_NULL_RETURN(exp) \
do \
{ \
if (EINA_UNLIKELY((exp) == NULL)) \
{ \
EINA_ERROR_PERR("%s", "safety check failed: " #exp " == NULL\n"); \
return; \
} \
} \
while (0)
#define EINA_SAFETY_ON_NULL_RETURN_VAL(exp, val) \
do \
{ \
if (EINA_UNLIKELY((exp) == NULL)) \
{ \
EINA_ERROR_PERR("%s", "safety check failed: " #exp " == NULL\n"); \
return (val); \
} \
} \
while (0)
#define EINA_SAFETY_ON_TRUE_RETURN(exp) \
do \
{ \
if (EINA_UNLIKELY(exp)) \
{ \
EINA_ERROR_PERR("%s", "safety check failed: " #exp " is true\n"); \
return; \
} \
} \
while (0)
#define EINA_SAFETY_ON_TRUE_RETURN_VAL(exp, val) \
do \
{ \
if (EINA_UNLIKELY(exp)) \
{ \
EINA_ERROR_PERR("%s", "safety check failed: " #exp " is true\n"); \
return val; \
} \
} \
while (0)
#define EINA_SAFETY_ON_FALSE_RETURN(exp) \
do \
{ \
if (EINA_UNLIKELY(!(exp))) \
{ \
EINA_ERROR_PERR("%s", "safety check failed: " #exp " is false\n"); \
return; \
} \
} \
while (0)
#define EINA_SAFETY_ON_FALSE_RETURN_VAL(exp, val) \
do \
{ \
if (EINA_UNLIKELY(!(exp))) \
{ \
EINA_ERROR_PERR("%s", "safety check failed: " #exp " is false\n"); \
return val; \
} \
} \
while (0)
#ifdef EINA_ARG_NONNULL
/* make EINA_ARG_NONNULL void so GCC does not optimize safety checks */
#undef EINA_ARG_NONNULL
#define EINA_ARG_NONNULL(idx, ...)
#endif
#else /* no safety checks */
#define EINA_SAFETY_ON_NULL_RETURN(exp) \
do { (void)((exp) == NULL); } while (0)
#define EINA_SAFETY_ON_NULL_RETURN_VAL(exp, val) \
do { if (0 && (exp) == NULL) (void)val; } while (0)
#define EINA_SAFETY_ON_TRUE_RETURN(exp) \
do { (void)(exp); } while (0)
#define EINA_SAFETY_ON_TRUE_RETURN_VAL(exp, val) \
do { if (0 && (exp)) (void)val; } while (0)
#define EINA_SAFETY_ON_FALSE_RETURN(exp) \
do { (void)((!exp)); } while (0)
#define EINA_SAFETY_ON_FALSE_RETURN_VAL(exp, val) \
do { if (0 && !(exp)) (void)val; } while (0)
#endif /* safety checks macros */
#endif /* EINA_SAFETY_CHECKS_H_ */