Merge pull request #19302 from bluca/uninit

tree-wide: avoid uninitialized warning on _cleanup_ variables

src/libsystemd/sd-journal/journal-vacuum.c

@@ -88,7 +88,7 @@ static void patch_realtime(
 }
 
 static int journal_file_empty(int dir_fd, const char *name) {
-        _cleanup_close_ int fd;
+        _cleanup_close_ int fd = -1;
         struct stat st;
         le64_t n_entries;
         ssize_t n;

src/libsystemd/sd-journal/sd-journal.c

@@ -1860,7 +1860,7 @@ static int add_current_paths(sd_journal *j) {
          * treat them as fatal. */
 
         ORDERED_HASHMAP_FOREACH(f, j->files) {
-                _cleanup_free_ char *dir;
+                _cleanup_free_ char *dir = NULL;
                 int r;
 
                 dir = dirname_malloc(f->path);

src/libsystemd/sd-login/sd-login.c

@@ -775,7 +775,7 @@ _public_ int sd_get_sessions(char ***sessions) {
 }
 
 _public_ int sd_get_uids(uid_t **users) {
-        _cleanup_closedir_ DIR *d;
+        _cleanup_closedir_ DIR *d = NULL;
         struct dirent *de;
         int r = 0;
         unsigned n = 0;