#ifndef foopulsegccmacrohfoo #define foopulsegccmacrohfoo /*** This file is part of PulseAudio. Copyright 2004-2006 Lennart Poettering PulseAudio 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. PulseAudio 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 Lesser General Public License along with PulseAudio; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. ***/ /** \file * GCC attribute macros */ #ifdef __GNUC__ #define PA_GCC_PRINTF_ATTR(a,b) __attribute__ ((format (printf, a, b))) #else /** If we're in GNU C, use some magic for detecting invalid format strings */ #define PA_GCC_PRINTF_ATTR(a,b) #endif #if defined(__GNUC__) && (__GNUC__ >= 4) #define PA_GCC_SENTINEL __attribute__ ((sentinel)) #else /** Macro for usage of GCC's sentinel compilation warnings */ #define PA_GCC_SENTINEL #endif #ifdef __GNUC__ #define PA_GCC_NORETURN __attribute__((noreturn)) #else /** Macro for no-return functions */ #define PA_GCC_NORETURN #endif #ifdef __GNUC__ #define PA_GCC_UNUSED __attribute__ ((unused)) #else /** Macro for not used parameter */ #define PA_GCC_UNUSED #endif #ifdef __GNUC__ #define PA_GCC_DESTRUCTOR __attribute__ ((destructor)) #else /** Call this function when process terminates */ #define PA_GCC_DESTRUCTOR #endif #ifndef PA_GCC_PURE #ifdef __GNUC__ #define PA_GCC_PURE __attribute__ ((pure)) #else /** This function's return value depends only the arguments list and global state **/ #define PA_GCC_PURE #endif #endif #ifndef PA_GCC_CONST #ifdef __GNUC__ #define PA_GCC_CONST __attribute__ ((const)) #else /** This function's return value depends only the arguments list (stricter version of PA_GCC_PURE) **/ #define PA_GCC_CONST #endif #endif #ifndef PA_GCC_DEPRECATED #ifdef __GNUC__ #define PA_GCC_DEPRECATED __attribute__ ((deprecated)) #else /** This function is deprecated **/ #define PA_GCC_DEPRECATED #endif #endif #ifndef PA_GCC_PACKED #ifdef __GNUC__ #define PA_GCC_PACKED __attribute__ ((packed)) #else /** Structure shall be packed in memory **/ #define PA_GCC_PACKED #endif #endif #ifndef PA_GCC_ALLOC_SIZE #if defined(__GNUC__) && (__GNUC__ >= 4) && (__GNUC_MINOR__ >= 3) #define PA_GCC_ALLOC_SIZE(x) __attribute__ ((__alloc_size__(x))) #define PA_GCC_ALLOC_SIZE2(x,y) __attribute__ ((__alloc_size__(x,y))) #else /** Macro for usage of GCC's alloc_size attribute */ #define PA_GCC_ALLOC_SIZE(x) /** Macro for usage of GCC's alloc_size attribute */ #define PA_GCC_ALLOC_SIZE2(x,y) #endif #endif #ifndef PA_GCC_MALLOC #ifdef __GNUC__ #define PA_GCC_MALLOC __attribute__ ((malloc)) #else /** Macro for usage of GCC's malloc attribute */ #define PA_GCC_MALLOC #endif #endif #ifndef PA_GCC_WEAKREF #if defined(__GNUC__) && defined(__ELF__) && (((__GNUC__ == 4) && (__GNUC_MINOR__ > 1)) || (__GNUC__ > 4)) /** Macro for usgae of GCC's weakref attribute */ #define PA_GCC_WEAKREF(x) __attribute__((weakref(#x))); #endif #endif #endif