133 lines
3.5 KiB
C++
133 lines
3.5 KiB
C++
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#ifndef foopulsegccmacrohfoo
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#define foopulsegccmacrohfoo
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/***
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This file is part of PulseAudio.
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Copyright 2004-2006 Lennart Poettering
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PulseAudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2.1 of the License,
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or (at your option) any later version.
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PulseAudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
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***/
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/** \file
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* GCC attribute macros */
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#if defined(__GNUC__)
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#ifdef __MINGW32__
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/* libintl overrides printf with a #define. As this breaks this attribute,
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* it has a workaround. However the workaround isn't enabled for MINGW
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* builds (only cygwin) */
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#define PA_GCC_PRINTF_ATTR(a,b) __attribute__ ((format (__printf__, a, b)))
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#else
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#define PA_GCC_PRINTF_ATTR(a,b) __attribute__ ((format (printf, a, b)))
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#endif
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#else
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/** If we're in GNU C, use some magic for detecting invalid format strings */
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#define PA_GCC_PRINTF_ATTR(a,b)
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#endif
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#if defined(__GNUC__) && (__GNUC__ >= 4)
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#define PA_GCC_SENTINEL __attribute__ ((sentinel))
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#else
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/** Macro for usage of GCC's sentinel compilation warnings */
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#define PA_GCC_SENTINEL
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#endif
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#ifdef __GNUC__
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#define PA_GCC_NORETURN __attribute__((noreturn))
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#else
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/** Macro for no-return functions */
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#define PA_GCC_NORETURN
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#endif
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#ifdef __GNUC__
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#define PA_GCC_UNUSED __attribute__ ((unused))
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#else
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/** Macro for not used function, variable or parameter */
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#define PA_GCC_UNUSED
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#endif
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#ifdef __GNUC__
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#define PA_GCC_DESTRUCTOR __attribute__ ((destructor))
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#else
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/** Call this function when process terminates */
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#define PA_GCC_DESTRUCTOR
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#endif
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#ifndef PA_GCC_PURE
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#ifdef __GNUC__
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#define PA_GCC_PURE __attribute__ ((pure))
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#else
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/** This function's return value depends only the arguments list and global state **/
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#define PA_GCC_PURE
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#endif
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#endif
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#ifndef PA_GCC_CONST
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#ifdef __GNUC__
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#define PA_GCC_CONST __attribute__ ((const))
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#else
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/** This function's return value depends only the arguments list (stricter version of PA_GCC_PURE) **/
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#define PA_GCC_CONST
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#endif
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#endif
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#ifndef PA_GCC_DEPRECATED
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#ifdef __GNUC__
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#define PA_GCC_DEPRECATED __attribute__ ((deprecated))
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#else
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/** This function is deprecated **/
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#define PA_GCC_DEPRECATED
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#endif
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#endif
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#ifndef PA_GCC_PACKED
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#ifdef __GNUC__
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#define PA_GCC_PACKED __attribute__ ((packed))
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#else
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/** Structure shall be packed in memory **/
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#define PA_GCC_PACKED
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#endif
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#endif
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#ifndef PA_GCC_ALLOC_SIZE
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#if defined(__GNUC__) && (__GNUC__ >= 4) && (__GNUC_MINOR__ >= 3)
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#define PA_GCC_ALLOC_SIZE(x) __attribute__ ((__alloc_size__(x)))
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#define PA_GCC_ALLOC_SIZE2(x,y) __attribute__ ((__alloc_size__(x,y)))
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#else
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/** Macro for usage of GCC's alloc_size attribute */
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#define PA_GCC_ALLOC_SIZE(x)
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/** Macro for usage of GCC's alloc_size attribute */
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#define PA_GCC_ALLOC_SIZE2(x,y)
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#endif
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#endif
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#ifndef PA_GCC_MALLOC
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#ifdef __GNUC__
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#define PA_GCC_MALLOC __attribute__ ((malloc))
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#else
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/** Macro for usage of GCC's malloc attribute */
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#define PA_GCC_MALLOC
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#endif
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#endif
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#ifndef PA_GCC_WEAKREF
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#if defined(__GNUC__) && defined(__ELF__) && (((__GNUC__ == 4) && (__GNUC_MINOR__ > 1)) || (__GNUC__ > 4))
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/** Macro for usage of GCC's weakref attribute */
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#define PA_GCC_WEAKREF(x) __attribute__((weakref(#x)))
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#endif
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#endif
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#endif
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