Return -1 in io_file_is_empty() if file cannot be accessed.

Ensure files don't appear as empty if fopen() fails (e.g. on temporary
EACCES failures).

Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/day.c b/src/day.c
index 1bcbaef..0ad9438 100644
--- a/src/day.c
+++ b/src/day.c
@@ -1048,7 +1048,7 @@ day_edit_note (char *editor)
   (void)snprintf (fullname, BUFSIZ, "%s%s", path_notes, p->note);
   wins_launch_external (fullname, editor);
 
-  if (io_file_is_empty (fullname))
+  if (io_file_is_empty (fullname) > 0)
     erase_note (&p->note, ERASE_FORCE);
 
   date = calendar_get_slctd_day_sec ();