96 lines
3.0 KiB
C
96 lines
3.0 KiB
C
/*
|
|
* ***** BEGIN GPL LICENSE BLOCK *****
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
* The Original Code is Copyright (C) 2013 Blender Foundation.
|
|
* All rights reserved.
|
|
*
|
|
* The Original Code is: all of this file.
|
|
*
|
|
* Contributor(s): Campbell Barton
|
|
* Sergey Sharybin
|
|
*
|
|
* ***** END GPL LICENSE BLOCK *****
|
|
*/
|
|
|
|
#ifndef __BLI_COMPILER_ATTRS_H__
|
|
#define __BLI_COMPILER_ATTRS_H__
|
|
|
|
/** \file BLI_compiler_attrs.h
|
|
* \ingroup bli
|
|
*/
|
|
|
|
/* hint to make sure function result is actually used */
|
|
#ifdef __GNUC__
|
|
# define ATTR_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
|
|
#else
|
|
# define ATTR_WARN_UNUSED_RESULT
|
|
#endif
|
|
|
|
/* hint to mark function arguments expected to be non-null
|
|
* if no arguments are given to the macro, all of pointer
|
|
* arguments would be expected to be non-null
|
|
*/
|
|
#ifdef __GNUC__
|
|
# define ATTR_NONNULL(args ...) __attribute__((nonnull(args)))
|
|
#else
|
|
# define ATTR_NONNULL(...)
|
|
#endif
|
|
|
|
/* never returns NULL */
|
|
# if (__GNUC__ * 100 + __GNUC_MINOR__) >= 409 /* gcc4.9+ only */
|
|
# define ATTR_RETURNS_NONNULL __attribute__((returns_nonnull))
|
|
#else
|
|
# define ATTR_RETURNS_NONNULL
|
|
#endif
|
|
|
|
/* hint to mark function as it wouldn't return */
|
|
#if defined(__GNUC__) || defined(__clang__)
|
|
# define ATTR_NORETURN __attribute__((noreturn))
|
|
#else
|
|
# define ATTR_NORETURN
|
|
#endif
|
|
|
|
/* hint to treat any non-null function return value cannot alias any other pointer */
|
|
#if (defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 403))
|
|
# define ATTR_MALLOC __attribute__((malloc))
|
|
#else
|
|
# define ATTR_MALLOC
|
|
#endif
|
|
|
|
/* the function return value points to memory (2 args for 'size * tot') */
|
|
#if (defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 403))
|
|
# define ATTR_ALLOC_SIZE(args ...) __attribute__((alloc_size(args)))
|
|
#else
|
|
# define ATTR_ALLOC_SIZE(...)
|
|
#endif
|
|
|
|
/* ensures a NULL terminating argument as the n'th last argument of a variadic function */
|
|
#ifdef __GNUC__
|
|
# define ATTR_SENTINEL(arg_pos) __attribute__((sentinel(arg_pos)))
|
|
#else
|
|
# define ATTR_SENTINEL(arg_pos)
|
|
#endif
|
|
|
|
/* hint to compiler that function uses printf-style format string */
|
|
#ifdef __GNUC__
|
|
# define ATTR_PRINTF_FORMAT(format_param, dots_param) __attribute__((format(printf, format_param, dots_param)))
|
|
#else
|
|
# define ATTR_PRINTF_FORMAT(format_param, dots_param)
|
|
#endif
|
|
|
|
#endif /* __BLI_COMPILER_ATTRS_H__ */
|