/* -*- 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 … #define DBUS_END_DECLS … #else #define DBUS_BEGIN_DECLS #define DBUS_END_DECLS #endif #ifndef TRUE #define TRUE … #endif #ifndef FALSE #define FALSE … #endif #ifndef NULL # ifdef __cplusplus #define NULL … # else /* !__cplusplus */ #define NULL … # endif /* !__cplusplus */ #endif #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1) #define DBUS_DEPRECATED … #elif defined(_MSC_VER) && (_MSC_VER >= 1300) #define DBUS_DEPRECATED … #else #define DBUS_DEPRECATED #endif #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 8) #define _DBUS_GNUC_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 ) … #define _DBUS_GNUC_NORETURN … #define _DBUS_GNUC_UNUSED … #else /* !__GNUC__ */ #define _DBUS_GNUC_PRINTF … #define _DBUS_GNUC_NORETURN #define _DBUS_GNUC_UNUSED #endif /* !__GNUC__ */ #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) #define DBUS_MALLOC … #else #define DBUS_MALLOC #endif #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) #define DBUS_ALLOC_SIZE … #define DBUS_ALLOC_SIZE2 … #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 … #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 … # else #define DBUS_EXPORT … # endif #elif defined(__GNUC__) && __GNUC__ >= 4 #define DBUS_EXPORT … #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 … # elif defined(dbus_1_EXPORTS) #define DBUS_PRIVATE_EXPORT … # else #define DBUS_PRIVATE_EXPORT … # endif #elif defined(__GNUC__) && __GNUC__ >= 4 #define DBUS_PRIVATE_EXPORT … #else #define DBUS_PRIVATE_EXPORT … #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) … /* Not (destroy) (_value) in case destroy() is a function-like macro */ /** @} */ #endif /* DBUS_MACROS_H */
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