bus: add sd_bus_message_append_strv() to easily add a NULL terminated string array...

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

diff --git a/src/systemd/sd-bus.h b/src/systemd/sd-bus.h
index 101e75131e5b00994a2cd977a1cf92129993d6be..e7ce56d7af07eca26922d6449b8d21cf8fcddfc5 100644 (file)
--- a/src/systemd/sd-bus.h
+++ b/src/systemd/sd-bus.h
@@ -39,6 +39,10 @@ extern "C" {
 #  endif
 #endif
 
+#ifndef _sd_sentinel_attr_
+#  define _sd_sentinel_attr_ __attribute__((sentinel))
+#endif
+
 /* Types */
 
 typedef struct sd_bus sd_bus;
@@ -53,12 +57,9 @@ typedef struct {
 /* Callbacks */
 
 typedef int (*sd_bus_message_handler_t)(sd_bus *bus, sd_bus_message *m, void *userdata);
-
 typedef int (*sd_bus_property_get_t) (sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, sd_bus_error *error, void *userdata);
 typedef int (*sd_bus_property_set_t) (sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *value, sd_bus_error *error, void *userdata);
-
 typedef int (*sd_bus_object_find_t) (sd_bus *bus, const char *path, const char *interface, void **found, void *userdata);
-
 typedef int (*sd_bus_node_enumerator_t) (sd_bus *bus, const char *path, char ***nodes, void *userdata);
 
 #include "sd-bus-protocol.h"
@@ -137,7 +138,7 @@ int sd_bus_message_new_signal(sd_bus *bus, const char *path, const char *interfa
 int sd_bus_message_new_method_call(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_message **m);
 int sd_bus_message_new_method_return(sd_bus *bus, sd_bus_message *call, sd_bus_message **m);
 int sd_bus_message_new_method_error(sd_bus *bus, sd_bus_message *call, const sd_bus_error *e, sd_bus_message **m);
-int sd_bus_message_new_method_errorf(sd_bus *bus, sd_bus_message *call, sd_bus_message **m, const char *name, const char *format, ...);
+int sd_bus_message_new_method_errorf(sd_bus *bus, sd_bus_message *call, sd_bus_message **m, const char *name, const char *format, ...) _sd_printf_attr_(5, 0);
 
 sd_bus_message* sd_bus_message_ref(sd_bus_message *m);
 sd_bus_message* sd_bus_message_unref(sd_bus_message *m);
@@ -146,6 +147,7 @@ int sd_bus_message_get_type(sd_bus_message *m, uint8_t *type);
 int sd_bus_message_get_serial(sd_bus_message *m, uint64_t *serial);
 int sd_bus_message_get_reply_serial(sd_bus_message *m, uint64_t *serial);
 int sd_bus_message_get_no_reply(sd_bus_message *m);
+int sd_bus_message_get_signature(sd_bus_message *m, int complete, const char **signature);
 
 const char *sd_bus_message_get_path(sd_bus_message *m);
 const char *sd_bus_message_get_interface(sd_bus_message *m);
@@ -189,6 +191,7 @@ int sd_bus_message_append_array_space(sd_bus_message *m, char type, size_t size,
 int sd_bus_message_append_array_memfd(sd_bus_message *m, char type, sd_memfd *memfd);
 int sd_bus_message_append_string_space(sd_bus_message *m, size_t size, char **s);
 int sd_bus_message_append_string_memfd(sd_bus_message *m, sd_memfd* memfd);
+int sd_bus_message_append_strv(sd_bus_message *m, char **l);
 int sd_bus_message_open_container(sd_bus_message *m, char type, const char *contents);
 int sd_bus_message_close_container(sd_bus_message *m);
 
@@ -200,8 +203,6 @@ 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_get_signature(sd_bus_message *m, int complete, const char **signature);
-
 /* Convenience calls */
 
 int sd_bus_call_method(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *error, sd_bus_message **reply, const char *types, ...);
@@ -209,17 +210,17 @@ int sd_bus_get_property(sd_bus *bus, const char *destination, const char *path,
 int sd_bus_set_property(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *error, const char *type, ...);
 int sd_bus_reply_method_return(sd_bus *bus, sd_bus_message *call, const char *types, ...);
 int sd_bus_reply_method_error(sd_bus *bus, sd_bus_message *call, const sd_bus_error *e);
-int sd_bus_reply_method_errorf(sd_bus *bus, sd_bus_message *call, const char *name, const char *format, ...);
+int sd_bus_reply_method_errorf(sd_bus *bus, sd_bus_message *call, const char *name, const char *format, ...) _sd_printf_attr_(4, 0);
 
 int sd_bus_emit_signal(sd_bus *bus, const char *path, const char *interface, const char *member, const char *types, ...);
 
 int sd_bus_emit_properties_changed_strv(sd_bus *bus, const char *path, const char *interface, char **names);
-int sd_bus_emit_properties_changed(sd_bus *bus, const char *path, const char *interface, const char *name, ...);
+int sd_bus_emit_properties_changed(sd_bus *bus, const char *path, const char *interface, const char *name, ...) _sd_sentinel_attr_;
 
 int sd_bus_emit_interfaces_added_strv(sd_bus *bus, const char *path, char **interfaces);   /* MISSING */
-int sd_bus_emit_interfaces_added(sd_bus *bus, const char *path, const char *interface, ...);   /* MISSING */
+int sd_bus_emit_interfaces_added(sd_bus *bus, const char *path, const char *interface, ...) _sd_sentinel_attr_;   /* MISSING */
 int sd_bus_emit_interfaces_removed_strv(sd_bus *bus, const char *path, char **interfaces);  /* MISSING */
-int sd_bus_emit_interfaces_removed(sd_bus *bus, const char *path, const char *interface, ...);  /* MISSING */
+int sd_bus_emit_interfaces_removed(sd_bus *bus, const char *path, const char *interface, ...) _sd_sentinel_attr_;  /* MISSING */
 
 /* Bus management */
 
@@ -234,8 +235,8 @@ int sd_bus_get_owner_machine_id(sd_bus *bus, const char *name, sd_id128_t *machi
 
 /* Error structures */
 
-#define SD_BUS_ERROR_NULL ((sd_bus_error) {NULL, NULL, 0})
 #define SD_BUS_ERROR_MAKE(name, message) ((sd_bus_error) {(name), (message), 0})
+#define SD_BUS_ERROR_NULL SD_BUS_ERROR_MAKE(NULL, NULL)
 
 void sd_bus_error_free(sd_bus_error *e);
 int sd_bus_error_setf(sd_bus_error *e, const char *name, const char *format, ...)  _sd_printf_attr_(3, 0);