shared/bus-unit-util: define helper for conditions and asserts

The function has "try" in the name because it dynamically checks
if the field name matches.

diff --git a/src/shared/bus-unit-util.c b/src/shared/bus-unit-util.c
index bb499824577535b1de12ca31448f9899ce0ea882..189500c09f3dd2446ec3d9bd3f3a11cf6ab190b0 100644 (file)
--- a/src/shared/bus-unit-util.c
+++ b/src/shared/bus-unit-util.c
@@ -2236,6 +2236,41 @@ static int bus_append_timers_calendar(sd_bus_message *m, const char *field, cons
         return 1;
 }
 
+static int bus_try_append_condition(sd_bus_message *m, const char *field, const char *eq) {
+        bool is_condition = false;
+        int r;
+
+        ConditionType t = condition_type_from_string(field);
+        if (t >= 0)
+                is_condition = true;
+        else
+                t = assert_type_from_string(field);
+        if (t >= 0) {
+                if (isempty(eq))
+                        r = sd_bus_message_append(m, "(sv)", is_condition ? "Conditions" : "Asserts", "a(sbbs)", 0);
+                else {
+                        const char *p = eq;
+
+                        int trigger = *p == '|';
+                        if (trigger)
+                                p++;
+
+                        int negate = *p == '!';
+                        if (negate)
+                                p++;
+
+                        r = sd_bus_message_append(m, "(sv)", is_condition ? "Conditions" : "Asserts", "a(sbbs)", 1,
+                                                  field, trigger, negate, p);
+                }
+                if (r < 0)
+                        return bus_log_create_error(r);
+
+                return 1;
+        }
+
+        return 0;
+}
+
 static int bus_append_cgroup_property(sd_bus_message *m, const char *field, const char *eq) {
         if (STR_IN_SET(field, "DevicePolicy",
                               "Slice",
@@ -2888,10 +2923,6 @@ static int bus_append_timer_property(sd_bus_message *m, const char *field, const
 }
 
 static int bus_append_unit_property(sd_bus_message *m, const char *field, const char *eq) {
-        ConditionType t = _CONDITION_TYPE_INVALID;
-        bool is_condition = false;
-        int r;
-
         if (STR_IN_SET(field, "Description",
                               "SourcePath",
                               "OnFailureJobMode",
@@ -2932,36 +2963,7 @@ static int bus_append_unit_property(sd_bus_message *m, const char *field, const
                               "Markers"))
                 return bus_append_strv(m, field, eq);
 
-        t = condition_type_from_string(field);
-        if (t >= 0)
-                is_condition = true;
-        else
-                t = assert_type_from_string(field);
-        if (t >= 0) {
-                if (isempty(eq))
-                        r = sd_bus_message_append(m, "(sv)", is_condition ? "Conditions" : "Asserts", "a(sbbs)", 0);
-                else {
-                        const char *p = eq;
-                        int trigger, negate;
-
-                        trigger = *p == '|';
-                        if (trigger)
-                                p++;
-
-                        negate = *p == '!';
-                        if (negate)
-                                p++;
-
-                        r = sd_bus_message_append(m, "(sv)", is_condition ? "Conditions" : "Asserts", "a(sbbs)", 1,
-                                                  field, trigger, negate, p);
-                }
-                if (r < 0)
-                        return bus_log_create_error(r);
-
-                return 1;
-        }
-
-        return 0;
+        return bus_try_append_condition(m, field, eq);
 }
 
 int bus_append_unit_property_assignment(sd_bus_message *m, UnitType t, const char *assignment) {