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/*
Unix SMB / CIFS implementation .
Samba utility functions
Copyright ( C ) Jelmer Vernooij < jelmer @ samba . org > 2007
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 3 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 , see < http : //www.gnu.org/licenses/>.
*/
# ifndef __UTIL_ATTR_H__
# define __UTIL_ATTR_H__
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# ifndef _UNUSED_
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# ifdef __GNUC__
/** gcc attribute used on function parameters so that it does not emit
* warnings about them being unused . * */
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# define _UNUSED_ __attribute__ ((unused))
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# else
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# define _UNUSED_
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/** Feel free to add definitions for other compilers here. */
# endif
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# endif
# ifndef UNUSED
# define UNUSED(param) param _UNUSED_
# endif
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# ifndef _DEPRECATED_
# if (__GNUC__ >= 3) && (__GNUC_MINOR__ >= 1 )
# define _DEPRECATED_ __attribute__ ((deprecated))
# else
# define _DEPRECATED_
# endif
# endif
# ifndef _WARN_UNUSED_RESULT_
# if (__GNUC__ >= 3) && (__GNUC_MINOR__ >= 1 )
# define _WARN_UNUSED_RESULT_ __attribute__ ((warn_unused_result))
# else
# define _WARN_UNUSED_RESULT_
# endif
# endif
# ifndef _NORETURN_
# if (__GNUC__ >= 3) && (__GNUC_MINOR__ >= 1 )
# define _NORETURN_ __attribute__ ((noreturn))
# else
# define _NORETURN_
# endif
# endif
# ifndef _PURE_
# if (__GNUC__ >= 3) && (__GNUC_MINOR__ >= 1)
# define _PURE_ __attribute__((pure))
# else
# define _PURE_
# endif
# endif
# ifndef NONNULL
# if (__GNUC__ >= 3) && (__GNUC_MINOR__ >= 1)
# define NONNULL(param) param __attribute__((nonnull))
# else
# define NONNULL(param) param
# endif
# endif
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# ifndef PRINTF_ATTRIBUTE
# if __GNUC__ >= 3
/** Use gcc attribute to check printf fns. a1 is the 1-based index of
* the parameter containing the format , and a2 the index of the first
* argument . Note that some gcc 2. x versions don ' t handle this
* properly * */
# define PRINTF_ATTRIBUTE(a1, a2) __attribute__ ((format (__printf__, a1, a2)))
# else
# define PRINTF_ATTRIBUTE(a1, a2)
# endif
# endif
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# ifndef FORMAT_ATTRIBUTE
# if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1)
/** Use gcc attribute to check printf fns. a1 is argument to format()
* in the above macro . This is needed to support Heimdal ' s printf
* decorations . Note that some gcc 2. x versions don ' t handle this
* properly , and as such I ' ve used the same minimum from heimdal : GCC 3.1 * */
# define FORMAT_ATTRIBUTE(a) __attribute__ ((format a))
# else
# define FORMAT_ATTRIBUTE(a)
# endif
# endif
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# endif /* __UTIL_ATTR_H__ */
