code.delx.au - pulseaudio/blob - src/pulsecore/gccmacro.h

   1 #ifndef foopulsegccmacrohfoo
   2 #define foopulsegccmacrohfoo
   3
   4 /* $Id$ */
   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 #ifdef __GNUC__
  28 #define PA_GCC_PRINTF_ATTR(a,b) __attribute__ ((format (printf, a, b)))
  29 #else
  30 /** If we're in GNU C, use some magic for detecting invalid format strings */
  31 #define PA_GCC_PRINTF_ATTR(a,b)
  32 #endif
  33
  34 #if defined(__GNUC__) && (__GNUC__ >= 4)
  35 #define PA_GCC_SENTINEL __attribute__ ((sentinel))
  36 #else
  37 /** Macro for usage of GCC's sentinel compilation warnings */
  38 #define PA_GCC_SENTINEL
  39 #endif
  40
  41 #ifdef __GNUC__
  42 #define PA_GCC_NORETURN __attribute__((noreturn))
  43 #else
  44 /** Macro for no-return functions */
  45 #define PA_GCC_NORETURN
  46 #endif
  47
  48 #ifdef __GNUC__
  49 #define PA_GCC_UNUSED __attribute__ ((unused))
  50 #else
  51 /** Macro for not used parameter */
  52 #define PA_GCC_UNUSED
  53 #endif
  54
  55 #ifdef __GNUC__
  56 #define PA_GCC_DESTRUCTOR __attribute__ ((destructor))
  57 #else
  58 /** Call this function when process terminates */
  59 #define PA_GCC_DESTRUCTOR
  60 #endif
  61
  62 #ifndef PA_GCC_PURE
  63 #ifdef __GNUCC__
  64 #define PA_GCC_PURE __attribute__ ((pure))
  65 #else
  66 /** This function's return value depends only the arguments list and global state **/
  67 #define PA_GCC_PURE
  68 #endif
  69 #endif
  70
  71 #ifndef PA_GCC_CONST
  72 #ifdef __GNUCC__
  73 #define PA_GCC_CONST __attribute__ ((const))
  74 #else
  75 /** This function's return value depends only the arguments list (stricter version of PA_GCC_PURE) **/
  76 #define PA_GCC_CONST
  77 #endif
  78 #endif
  79
  80 #endif