diff options
Diffstat (limited to 'glib/dbus-gvalue-utils.c')
| -rw-r--r-- | glib/dbus-gvalue-utils.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/glib/dbus-gvalue-utils.c b/glib/dbus-gvalue-utils.c index b17eee16..af2fff19 100644 --- a/glib/dbus-gvalue-utils.c +++ b/glib/dbus-gvalue-utils.c @@ -206,6 +206,58 @@ dbus_gvalue_take (GValue *value, return TRUE; } +gboolean +_dbus_gtype_can_signal_error (GType gtype) +{ + switch (gtype) + { + case G_TYPE_BOOLEAN: + case G_TYPE_INT: + case G_TYPE_UINT: + case G_TYPE_STRING: + case G_TYPE_BOXED: + case G_TYPE_OBJECT: + return TRUE; + default: + return FALSE; + } +} + +gboolean +_dbus_gvalue_signals_error (const GValue *value) +{ + /* Hardcoded rules for return value semantics for certain + * types. Perhaps in the future we'd want an annotation + * specifying which return values are errors, but in + * reality people will probably just use boolean and + * boxed, and there the semantics are pretty standard. + */ + switch (G_TYPE_FUNDAMENTAL (G_VALUE_TYPE (value))) + { + case G_TYPE_BOOLEAN: + return (g_value_get_boolean (value) == FALSE); + break; + case G_TYPE_INT: + return (g_value_get_int (value) < 0); + break; + case G_TYPE_UINT: + return (g_value_get_uint (value) == 0); + break; + case G_TYPE_STRING: + return (g_value_get_string (value) == NULL); + break; + case G_TYPE_BOXED: + return (g_value_get_boxed (value) == NULL); + break; + case G_TYPE_OBJECT: + return (g_value_get_boxed (value) == NULL); + break; + default: + g_assert_not_reached (); + } +} + + static gboolean hash_func_from_gtype (GType gtype, GHashFunc *func) { @@ -1061,4 +1113,6 @@ _dbus_gvalue_utils_test (const char *datadir) return TRUE; } + + #endif /* DBUS_BUILD_TESTS */ |