initial commit, 4.5 stable

thirdparty/linuxbsd_headers/pulse/gccmacro.h

@@ -0,0 +1,132 @@
+#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 2.1 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, see <http://www.gnu.org/licenses/>.
+***/
+
+/** \file
+ * GCC attribute macros */
+
+#if defined(__GNUC__)
+#ifdef __MINGW32__
+/* libintl overrides printf with a #define. As this breaks this attribute,
+ * it has a workaround. However the workaround isn't enabled for MINGW
+ * builds (only cygwin) */
+#define PA_GCC_PRINTF_ATTR(a,b) __attribute__ ((format (__printf__, a, b)))
+#else
+#define PA_GCC_PRINTF_ATTR(a,b) __attribute__ ((format (printf, a, b)))
+#endif
+#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 function, variable or 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 __GNUC__
+#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)
+/** Macro for usage of GCC's alloc_size attribute */
+#define PA_GCC_ALLOC_SIZE2(x,y)
+#endif
+#endif
+
+#ifndef PA_GCC_MALLOC
+#ifdef __GNUC__
+#define PA_GCC_MALLOC __attribute__ ((malloc))
+#else
+/** Macro for usage of GCC's malloc attribute */
+#define PA_GCC_MALLOC
+#endif
+#endif
+
+#ifndef PA_GCC_WEAKREF
+#if defined(__GNUC__) && defined(__ELF__) && (((__GNUC__ == 4) && (__GNUC_MINOR__ > 1)) || (__GNUC__ > 4))
+/** Macro for usage of GCC's weakref attribute */
+#define PA_GCC_WEAKREF(x) __attribute__((weakref(#x)))
+#endif
+#endif
+
+#endif