Improve directory-access diagnostics

* src/callproc.c (init_callproc): Diagnose I/O errors,
access errors, etc. for the game directory.
* src/charset.c (init_charset): Improve quality of diagnostic
when the charsets directory has I/O errors, access errors, etc.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/callproc.c b/src/callproc.c
index 4473b19a297..20e0bc50dab 100644
--- a/src/callproc.c
+++ b/src/callproc.c
@@ -1598,6 +1598,8 @@ init_callproc (void)
       Lisp_Object path_game = build_unibyte_string (PATH_GAME);
       if (file_accessible_directory_p (path_game))
         gamedir = path_game;
+      else if (errno != ENOENT && errno != ENOTDIR)
+        dir_warning ("game dir", path_game);
     }
   Vshared_game_score_directory = gamedir;
 }