cgroup-util: add cg_get_attribute_as_bool() helper

2020-10-07 17:12:24 -07:00
parent 61ff7397d0
commit b41dcc51eb
2 changed files with 23 additions and 0 deletions
@@ -1685,6 +1685,26 @@ int cg_get_attribute_as_uint64(const char *controller, const char *path, const c
        return 0;
 }

+int cg_get_attribute_as_bool(const char *controller, const char *path, const char *attribute, bool *ret) {
+        _cleanup_free_ char *value = NULL;
+        int r;
+
+        assert(ret);
+
+        r = cg_get_attribute(controller, path, attribute, &value);
+        if (r == -ENOENT)
+                return -ENODATA;
+        if (r < 0)
+                return r;
+
+        r = parse_boolean(value);
+        if (r < 0)
+                return r;
+
+        *ret = r;
+        return 0;
+}
+
 int cg_get_keyed_attribute_full(
                const char *controller,
                const char *path,