systemctl: add new "get-cgroup-attr" to query current cgroup attribute value

[elogind.git] / src / shared / util.c

diff --git a/src/shared/util.c b/src/shared/util.c
index 8e1409671f258cc31968eb7ae42a382d9dce5fb6..f75a81c605aa5fa4f2641d1824cc8fe9f221eabb 100644 (file)
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -641,6 +641,9 @@ int read_full_file(const char *fn, char **contents, size_t *size) {
         _cleanup_free_ char *buf = NULL;
         struct stat st;
 
+        assert(fn);
+        assert(contents);
+
         f = fopen(fn, "re");
         if (!f)
                 return -errno;
@@ -5648,12 +5651,14 @@ const char *draw_special_char(DrawSpecialChar ch) {
                         [DRAW_TREE_VERT]          = "\342\224\202 ",            /* │  */
                         [DRAW_TREE_BRANCH]        = "\342\224\234\342\224\200", /* ├─ */
                         [DRAW_TREE_RIGHT]         = "\342\224\224\342\224\200", /* └─ */
+                        [DRAW_TREE_SPACE]         = "  ",                       /*    */
                         [DRAW_TRIANGULAR_BULLET]  = "\342\200\243 ",            /* ‣  */
                 },
                 /* ASCII fallback */ {
                         [DRAW_TREE_VERT]          = "| ",
                         [DRAW_TREE_BRANCH]        = "|-",
                         [DRAW_TREE_RIGHT]         = "`-",
+                        [DRAW_TREE_SPACE]         = "  ",
                         [DRAW_TRIANGULAR_BULLET]  = "> ",
                 }
         };