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

   1 #ifndef foopulsegccmacrohfoo
   2 #define foopulsegccmacrohfoo
   3
   4 /***
   5   This file is part of PulseAudio.
   6
   7   Copyright 2004-2006 Lennart Poettering
   8
   9   PulseAudio is free software; you can redistribute it and/or modify
  10   it under the terms of the GNU Lesser General Public License as published
  11   by the Free Software Foundation; either version 2 of the License,
  12   or (at your option) any later version.
  13
  14   PulseAudio is distributed in the hope that it will be useful, but
  15   WITHOUT ANY WARRANTY; without even the implied warranty of
  16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  17   General Public License for more details.
  18
  19   You should have received a copy of the GNU Lesser General Public License
  20   along with PulseAudio; if not, write to the Free Software
  21   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  22   USA.
  23 ***/
  24
  25 #ifdef __GNUC__
  26 #define PA_GCC_PRINTF_ATTR(a,b) __attribute__ ((format (printf, a, b)))
  27 #else
  28 /** If we're in GNU C, use some magic for detecting invalid format strings */
  29 #define PA_GCC_PRINTF_ATTR(a,b)
  30 #endif
  31
  32 #if defined(__GNUC__) && (__GNUC__ >= 4)
  33 #define PA_GCC_SENTINEL __attribute__ ((sentinel))
  34 #else
  35 /** Macro for usage of GCC's sentinel compilation warnings */
  36 #define PA_GCC_SENTINEL
  37 #endif
  38
  39 #ifdef __GNUC__
  40 #define PA_GCC_NORETURN __attribute__((noreturn))
  41 #else
  42 /** Macro for no-return functions */
  43 #define PA_GCC_NORETURN
  44 #endif
  45
  46 #ifdef __GNUC__
  47 #define PA_GCC_UNUSED __attribute__ ((unused))
  48 #else
  49 /** Macro for not used parameter */
  50 #define PA_GCC_UNUSED
  51 #endif
  52
  53 #ifdef __GNUC__
  54 #define PA_GCC_DESTRUCTOR __attribute__ ((destructor))
  55 #else
  56 /** Call this function when process terminates */
  57 #define PA_GCC_DESTRUCTOR
  58 #endif
  59
  60 #ifndef PA_GCC_PURE
  61 #ifdef __GNUC__
  62 #define PA_GCC_PURE __attribute__ ((pure))
  63 #else
  64 /** This function's return value depends only the arguments list and global state **/
  65 #define PA_GCC_PURE
  66 #endif
  67 #endif
  68
  69 #ifndef PA_GCC_CONST
  70 #ifdef __GNUC__
  71 #define PA_GCC_CONST __attribute__ ((const))
  72 #else
  73 /** This function's return value depends only the arguments list (stricter version of PA_GCC_PURE) **/
  74 #define PA_GCC_CONST
  75 #endif
  76 #endif
  77
  78 #ifndef PA_GCC_DEPRECATED
  79 #ifdef __GNUC__
  80 #define PA_GCC_DEPRECATED __attribute__ ((deprecated))
  81 #else
  82 /** This function is deprecated **/
  83 #define PA_GCC_DEPRECATED
  84 #endif
  85 #endif
  86
  87 #ifndef PA_GCC_PACKED
  88 #ifdef __GNUCC__
  89 #define PA_GCC_PACKED __attribute__ ((packed))
  90 #else
  91 /** Structure shall be packed in memory **/
  92 #define PA_GCC_PACKED
  93 #endif
  94 #endif
  95
  96 #endif