1 #ifndef foopulsecdeclhfoo 2 #define foopulsecdeclhfoo 3 4 /* $Id: cdecl.h 1971 2007-10-28 19:13:50Z lennart $ */ 5 6 /*** 7 This file is part of PulseAudio. 8 9 Copyright 2004-2006 Lennart Poettering 10 11 PulseAudio is free software; you can redistribute it and/or modify 12 it under the terms of the GNU Lesser General Public License as published 13 by the Free Software Foundation; either version 2 of the License, 14 or (at your option) any later version. 15 16 PulseAudio is distributed in the hope that it will be useful, but 17 WITHOUT ANY WARRANTY; without even the implied warranty of 18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 19 General Public License for more details. 20 21 You should have received a copy of the GNU Lesser General Public License 22 along with PulseAudio; if not, write to the Free Software 23 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 24 USA. 25 ***/ 26 27 /** \file 28 * C++ compatibility support */ 29 30 #ifdef __cplusplus 31 /** If using C++ this macro enables C mode, otherwise does nothing */ 32 #define PA_C_DECL_BEGIN extern "C" { 33 /** If using C++ this macros switches back to C++ mode, otherwise does nothing */ 34 #define PA_C_DECL_END } 35 36 #else 37 /** If using C++ this macro enables C mode, otherwise does nothing */ 38 #define PA_C_DECL_BEGIN 39 /** If using C++ this macros switches back to C++ mode, otherwise does nothing */ 40 #define PA_C_DECL_END 41 42 #endif 43 44 #ifndef PA_GCC_PURE 45 #ifdef __GNUCC__ 46 #define PA_GCC_PURE __attribute__ ((pure)) 47 #else 48 /** This function's return value depends only the arguments list and global state **/ 49 #define PA_GCC_PURE 50 #endif 51 #endif 52 53 #ifndef PA_GCC_CONST 54 #ifdef __GNUCC__ 55 #define PA_GCC_CONST __attribute__ ((pure)) 56 #else 57 /** This function's return value depends only the arguments list (stricter version of PA_GCC_CONST) **/ 58 #define PA_GCC_CONST 59 #endif 60 #endif 61 62 #endif 63
