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b1303e6d92
Am 23.10.2012 08:25, schrieb Arun Raghavan: > On Tue, 2012-08-21 at 13:32 +0200, Thomas Martitz wrote: >> Am 21.08.2012 08:51, schrieb Rémi Denis-Courmont: >>> Le mardi 21 août 2012 00:50:34 Thomas Martitz, vous avez écrit : >>>> There are tons of warnings, most of them because the function is not >>>> recognized as printf-like. >>> Removing checks looks very fishy. >>> >>> To use C99 and/or GNU format specifiers on MingW, you need to use the >>> gnuprintf attribute instead of printf. With printf, the format string is >>> validated according to the antiquated MSVC rules. >>> >> Interesting, I didn't know about gnuprintf. FWIW, what are those >> antiquated MSVC rules? I assumed the return value which isn't int for >> some affected functions? > Is this one going to be respun? > Yes, here you go. >From c5f15eec69bf95c9a1261e0d82abbd039156e75e Mon Sep 17 00:00:00 2001 From: Thomas Martitz <kuge@rockbox.org> Date: Wed, 8 Aug 2012 17:38:04 +0200 Subject: [PATCH 1/3] gccmacro: Work around warnings due to printf redirection by libintl. Libintl defines printf as libintl_printf, which breaks the format attribue. Unfortunately the workaround around provided by libintl is only enabled for cygwin, but not for mingw builds. Therefore install the workaround manually.
134 lines
3.6 KiB
C
134 lines
3.6 KiB
C
#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, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA.
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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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