/* 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__ #ifdef __GNUC__ /** gcc attribute used on function parameters so that it does not emit * warnings about them being unused. **/ # define UNUSED(param) param __attribute__ ((unused)) #else # define UNUSED(param) param /** Feel free to add definitions for other compilers here. */ #endif #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 #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 #endif /* __UTIL_ATTR_H__ */