bus: add API for appending/reading fixed arrays

[elogind.git] / src / systemd / sd-bus.h

diff --git a/src/systemd/sd-bus.h b/src/systemd/sd-bus.h
index 36fab9ffa15c9125b61d4159518d02660e124803..2dab93d9168c358c29f9090b39619527e1874719 100644 (file)
--- a/src/systemd/sd-bus.h
+++ b/src/systemd/sd-bus.h
@@ -32,12 +32,17 @@
 extern "C" {
 #endif
 
+#ifndef _sd_printf_attr_
+#  if __GNUC__ >= 4
+#    define _sd_printf_attr_(a,b) __attribute__ ((format (printf, a, b)))
+#  else
+#    define _sd_printf_attr_(a,b)
+#  endif
+#endif
+
 /* TODO:
- * - add page donation logic
- * - api for appending/reading fixed arrays
  * - merge busctl into systemctl or so?
  * - default policy (allow uid == 0 and our own uid)
- *
  * - enforce alignment of pointers passed in
  * - negotiation for attach attributes
  */
@@ -163,6 +168,11 @@ int sd_bus_message_exit_container(sd_bus_message *m);
 int sd_bus_message_peek_type(sd_bus_message *m, char *type, const char **contents);
 int sd_bus_message_rewind(sd_bus_message *m, int complete);
 
+int sd_bus_message_append_array(sd_bus_message *m, char type, const void *ptr, size_t size);
+int sd_bus_message_append_array_ptr(sd_bus_message *m, char type, size_t size, void **ptr);
+
+int sd_bus_message_read_array(sd_bus_message *m, char type, const void **ptr, size_t *size);
+
 /* Convenience calls */
 
 int sd_bus_emit_signal(sd_bus *bus, const char *path, const char *interface, const char *member, const char *types, ...);
@@ -187,7 +197,7 @@ int sd_bus_get_owner_machine_id(sd_bus *bus, const char *name, sd_id128_t *machi
 #define SD_BUS_ERROR_MAKE(name, message) ((sd_bus_error) {(name), (message), 0})
 
 void sd_bus_error_free(sd_bus_error *e);
-int sd_bus_error_set(sd_bus_error *e, const char *name, const char *format, ...);
+int sd_bus_error_set(sd_bus_error *e, const char *name, const char *format, ...)  _sd_printf_attr_(3, 0);
 void sd_bus_error_set_const(sd_bus_error *e, const char *name, const char *message);
 int sd_bus_error_copy(sd_bus_error *dest, const sd_bus_error *e);
 int sd_bus_error_is_set(const sd_bus_error *e);