diff options
Diffstat (limited to 'dbus/dbus-macros.h')
| -rw-r--r-- | dbus/dbus-macros.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/dbus/dbus-macros.h b/dbus/dbus-macros.h index dcd3eebd..cae4100e 100644 --- a/dbus/dbus-macros.h +++ b/dbus/dbus-macros.h @@ -88,13 +88,21 @@ #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. */ /** |