core/dbus-util: introduce bus_set_transient_tristate()

This will be used in later commits.

diff --git a/src/core/dbus-util.c b/src/core/dbus-util.c
index edfa0eb69a4f6ba4e239d05f18f75fa059461cdc..461f6aafb22883d0aba5c4317dbaab0f30f56b47 100644 (file)
--- a/src/core/dbus-util.c
+++ b/src/core/dbus-util.c
@@ -93,6 +93,30 @@ int bus_set_transient_bool(
         return 1;
 }
 
+int bus_set_transient_tristate(
+                Unit *u,
+                const char *name,
+                int *p,
+                sd_bus_message *message,
+                UnitWriteFlags flags,
+                sd_bus_error *error) {
+
+        int v, r;
+
+        assert(p);
+
+        r = sd_bus_message_read(message, "b", &v);
+        if (r < 0)
+                return r;
+
+        if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+                *p = v;
+                unit_write_settingf(u, flags, name, "%s=%s", name, yes_no(v));
+        }
+
+        return 1;
+}
+
 int bus_set_transient_usec_internal(
                 Unit *u,
                 const char *name,

diff --git a/src/core/dbus-util.h b/src/core/dbus-util.h
index e12631a0e21c0dfe39b135eead2252034923dada..9464b25516d96ed94e4eb39fd18b89a72261f4e0 100644 (file)
--- a/src/core/dbus-util.h
+++ b/src/core/dbus-util.h
@@ -241,6 +241,7 @@ int bus_set_transient_user_relaxed(Unit *u, const char *name, char **p, sd_bus_m
 int bus_set_transient_path(Unit *u, const char *name, char **p, sd_bus_message *message, UnitWriteFlags flags, sd_bus_error *error);
 int bus_set_transient_string(Unit *u, const char *name, char **p, sd_bus_message *message, UnitWriteFlags flags, sd_bus_error *error);
 int bus_set_transient_bool(Unit *u, const char *name, bool *p, sd_bus_message *message, UnitWriteFlags flags, sd_bus_error *error);
+int bus_set_transient_tristate(Unit *u, const char *name, int *p, sd_bus_message *message, UnitWriteFlags flags, sd_bus_error *error);
 int bus_set_transient_usec_internal(Unit *u, const char *name, usec_t *p, bool fix_0, sd_bus_message *message, UnitWriteFlags flags, sd_bus_error *error);
 static inline int bus_set_transient_usec(Unit *u, const char *name, usec_t *p, sd_bus_message *message, UnitWriteFlags flags, sd_bus_error *error) {
         return bus_set_transient_usec_internal(u, name, p, false, message, flags, error);