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Diffstat (limited to 'src/core/dbus-service.c')
-rw-r--r--src/core/dbus-service.c25
1 files changed, 24 insertions, 1 deletions
diff --git a/src/core/dbus-service.c b/src/core/dbus-service.c
index 6041a37e56..a563624fce 100644
--- a/src/core/dbus-service.c
+++ b/src/core/dbus-service.c
@@ -294,6 +294,29 @@ int bus_service_method_dump_file_descriptor_store(sd_bus_message *message, void
return sd_bus_send(NULL, reply, NULL);
}
+#if __SIZEOF_SIZE_T__ == 8
+static int property_get_size_as_uint32(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ size_t *value = ASSERT_PTR(userdata);
+ uint32_t sz = *value >= UINT32_MAX ? UINT32_MAX : (uint32_t) *value;
+
+ /* Returns a size_t as a D-Bus "u" type, i.e. as 32bit value, even if size_t is 64bit. We'll saturate if it doesn't fit. */
+
+ return sd_bus_message_append_basic(reply, 'u', &sz);
+}
+#elif __SIZEOF_SIZE_T__ == 4
+#define property_get_size_as_uint32 ((sd_bus_property_get_t) NULL)
+#else
+#error "Unexpected size of size_t"
+#endif
+
const sd_bus_vtable bus_service_vtable[] = {
SD_BUS_VTABLE_START(0),
SD_BUS_PROPERTY("Type", "s", property_get_type, offsetof(Service, type), SD_BUS_VTABLE_PROPERTY_CONST),
@@ -325,7 +348,7 @@ const sd_bus_vtable bus_service_vtable[] = {
SD_BUS_PROPERTY("ControlPID", "u", bus_property_get_pid, offsetof(Service, control_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("BusName", "s", NULL, offsetof(Service, bus_name), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("FileDescriptorStoreMax", "u", bus_property_get_unsigned, offsetof(Service, n_fd_store_max), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("NFileDescriptorStore", "u", bus_property_get_unsigned, offsetof(Service, n_fd_store), 0),
+ SD_BUS_PROPERTY("NFileDescriptorStore", "u", property_get_size_as_uint32, offsetof(Service, n_fd_store), 0),
SD_BUS_PROPERTY("StatusText", "s", NULL, offsetof(Service, status_text), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("StatusErrno", "i", bus_property_get_int, offsetof(Service, status_errno), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Service, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),