initial commit, 4.5 stable

thirdparty/linuxbsd_headers/dbus/dbus-macros.h

@@ -0,0 +1,240 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+/* dbus-macros.h  generic macros
+ *
+ * Copyright (C) 2002  Red Hat Inc.
+ *
+ * Licensed under the Academic Free License version 2.1
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+#if !defined (DBUS_INSIDE_DBUS_H) && !defined (DBUS_COMPILATION)
+#error "Only <dbus/dbus.h> can be included directly, this file may disappear or change contents."
+#endif
+
+#ifndef DBUS_MACROS_H
+#define DBUS_MACROS_H
+
+#ifdef  __cplusplus
+#  define DBUS_BEGIN_DECLS  extern "C" {
+#  define DBUS_END_DECLS    }
+#else
+#  define DBUS_BEGIN_DECLS
+#  define DBUS_END_DECLS
+#endif
+
+#ifndef TRUE
+#  define TRUE 1
+#endif
+#ifndef FALSE
+#  define FALSE 0
+#endif
+
+#ifndef NULL
+#  ifdef __cplusplus
+#    define NULL        (0L)
+#  else /* !__cplusplus */
+#    define NULL        ((void*) 0)
+#  endif /* !__cplusplus */
+#endif
+
+#if  __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1)
+#  define DBUS_DEPRECATED __attribute__ ((__deprecated__))
+#elif defined(_MSC_VER) && (_MSC_VER >= 1300)
+#  define DBUS_DEPRECATED __declspec(deprecated)
+#else
+#  define DBUS_DEPRECATED
+#endif
+
+#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 8)
+#  define _DBUS_GNUC_EXTENSION __extension__
+#else
+#  define _DBUS_GNUC_EXTENSION
+#endif
+
+#if     (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)) || \
+         defined(__clang__)
+#define _DBUS_GNUC_PRINTF( format_idx, arg_idx )    \
+  __attribute__((__format__ (__printf__, format_idx, arg_idx)))
+#define _DBUS_GNUC_NORETURN                         \
+  __attribute__((__noreturn__))
+#define _DBUS_GNUC_UNUSED                           \
+  __attribute__((__unused__))
+#else   /* !__GNUC__ */
+#define _DBUS_GNUC_PRINTF( format_idx, arg_idx )
+#define _DBUS_GNUC_NORETURN
+#define _DBUS_GNUC_UNUSED
+#endif  /* !__GNUC__ */
+
+#if    __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
+#define DBUS_MALLOC     __attribute__((__malloc__))
+#else
+#define DBUS_MALLOC
+#endif
+
+#if     (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)
+#define DBUS_ALLOC_SIZE(x) __attribute__((__alloc_size__(x)))
+#define DBUS_ALLOC_SIZE2(x,y) __attribute__((__alloc_size__(x,y)))
+#else
+#define DBUS_ALLOC_SIZE(x)
+#define DBUS_ALLOC_SIZE2(x,y)
+#endif
+
+#if    (__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
+#define _DBUS_GNUC_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
+#else
+#define _DBUS_GNUC_WARN_UNUSED_RESULT
+#endif
+
+/** @def _DBUS_GNUC_PRINTF
+ * used to tell gcc about printf format strings
+ */
+/** @def _DBUS_GNUC_NORETURN
+ * used to tell gcc about functions that never return, such as _dbus_abort()
+ */
+/** @def _DBUS_GNUC_WARN_UNUSED_RESULT
+ * used to tell gcc about functions whose result must be used
+ */
+
+/* Normally docs are in .c files, but there isn't a .c file for this. */
+/**
+ * @defgroup DBusMacros Utility macros
+ * @ingroup  DBus
+ * @brief #TRUE, #FALSE, #NULL, and so on
+ *
+ * Utility macros.
+ *
+ * @{
+ */
+
+/**
+ * @def DBUS_BEGIN_DECLS
+ *
+ * Macro used prior to declaring functions in the D-Bus header
+ * files. Expands to "extern "C"" when using a C++ compiler,
+ * and expands to nothing when using a C compiler.
+ *
+ * Please don't use this in your own code, consider it
+ * D-Bus internal.
+ */
+/**
+ * @def DBUS_END_DECLS
+ *
+ * Macro used after declaring functions in the D-Bus header
+ * files. Expands to "}" when using a C++ compiler,
+ * and expands to nothing when using a C compiler.
+ *
+ * Please don't use this in your own code, consider it
+ * D-Bus internal.
+ */
+/**
+ * @def TRUE
+ *
+ * Expands to "1"
+ */
+/**
+ * @def FALSE
+ *
+ * Expands to "0"
+ */
+/**
+ * @def NULL
+ *
+ * A null pointer, defined appropriately for C or C++.
+ */
+/**
+ * @def DBUS_DEPRECATED
+ *
+ * Tells the compiler to warn about a function or type if it's used.
+ * Code marked in this way should also be enclosed in
+ * @code
+ * #ifndef DBUS_DISABLE_DEPRECATED
+ *  deprecated stuff here
+ * #endif
+ * @endcode
+ *
+ * Please don't use this in your own code, consider it
+ * D-Bus internal.
+ */
+/**
+ * @def _DBUS_GNUC_EXTENSION
+ *
+ * Tells gcc not to warn about extensions to the C standard in the
+ * following expression, even if compiling with -pedantic. Do not use
+ * this macro in your own code; please consider it to be internal to libdbus.
+ */
+
+/*
+ * @def DBUS_EXPORT
+ *
+ * Declare the following symbol as public.  This is currently a noop on
+ * platforms other than Windows.
+ */
+
+#if defined(DBUS_EXPORT)
+  /* value forced by compiler command line, don't redefine */
+#elif defined(_WIN32)
+#  if defined(DBUS_STATIC_BUILD)
+#  define DBUS_EXPORT
+#  elif defined(dbus_1_EXPORTS)
+#  define DBUS_EXPORT __declspec(dllexport)
+#  else
+#  define DBUS_EXPORT __declspec(dllimport)
+#  endif
+#elif defined(__GNUC__) && __GNUC__ >= 4
+#  define DBUS_EXPORT __attribute__ ((__visibility__ ("default")))
+#else
+#define DBUS_EXPORT
+#endif
+
+#if defined(DBUS_PRIVATE_EXPORT)
+  /* value forced by compiler command line, don't redefine */
+#elif defined(_WIN32)
+#  if defined(DBUS_STATIC_BUILD)
+#    define DBUS_PRIVATE_EXPORT /* no decoration */
+#  elif defined(dbus_1_EXPORTS)
+#    define DBUS_PRIVATE_EXPORT __declspec(dllexport)
+#  else
+#    define DBUS_PRIVATE_EXPORT __declspec(dllimport)
+#  endif
+#elif defined(__GNUC__) && __GNUC__ >= 4
+#  define DBUS_PRIVATE_EXPORT __attribute__ ((__visibility__ ("default")))
+#else
+#  define DBUS_PRIVATE_EXPORT /* no decoration */
+#endif
+
+/* Implementation for dbus_clear_message() etc. This is not API,
+ * do not use it directly.
+ *
+ * We're using a specific type (T ** and T *) instead of void ** and
+ * void * partly for type-safety, partly to be strict-aliasing-compliant,
+ * and partly to keep C++ compilers happy. This code is inlined into
+ * users of libdbus, so we can't rely on it having dbus' own compiler
+ * settings. */
+#define _dbus_clear_pointer_impl(T, pointer_to_pointer, destroy) \
+  do { \
+    T **_pp = (pointer_to_pointer); \
+    T *_value = *_pp; \
+    \
+    *_pp = NULL; \
+    \
+    if (_value != NULL) \
+      destroy (_value); \
+  } while (0)
+/* Not (destroy) (_value) in case destroy() is a function-like macro */
+
+/** @} */
+
+#endif /* DBUS_MACROS_H */