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gccmacro.h

#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 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.
***/

#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 __GNUCC__
#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)
#define PA_GCC_ALLOC_SIZE2(x,y)
#endif
#endif

#ifndef PA_GCC_MALLOC
#ifdef __GNUCC__
#define PA_GCC_MALLOC __attribute__ ((malloc))
#else
/** Macro for usage of GCC's malloc attribute */
#define PA_GCC_MALLOC
#endif
#endif

#endif

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