libpurple/dbus-maybe.h

   1 /* This file contains macros that wrap calls to the purple dbus module.
   2    These macros call the appropriate functions if the build includes
   3    dbus support and do nothing otherwise.  See "dbus-server.h" for
   4    documentation.  */
   5
   6 #ifndef _PURPLE_DBUS_MAYBE_H_
   7 #define _PURPLE_DBUS_MAYBE_H_
   8
   9 #ifdef HAVE_DBUS
  10
  11 #ifndef DBUS_API_SUBJECT_TO_CHANGE
  12 #define DBUS_API_SUBJECT_TO_CHANGE
  13 #endif
  14
  15 #include "dbus-server.h"
  16
  17 /* this provides a type check */
  18 #define PURPLE_DBUS_REGISTER_POINTER(ptr, type) { \
  19     type *typed_ptr = ptr; \
  20     purple_dbus_register_pointer(typed_ptr, PURPLE_DBUS_TYPE(type));    \
  21 }
  22 #define PURPLE_DBUS_UNREGISTER_POINTER(ptr) purple_dbus_unregister_pointer(ptr)
  23
  24 #else  /* !HAVE_DBUS */
  25
  26 #define PURPLE_DBUS_REGISTER_POINTER(ptr, type) { \
  27     if (ptr) {} \
  28 }
  29
  30 #define PURPLE_DBUS_UNREGISTER_POINTER(ptr)
  31 #define DBUS_EXPORT
  32
  33 #endif  /* HAVE_DBUS */
  34
  35 #endif