Make sure that tmppath is always NULL-terminated

Fixes GitHub issue #5.

Reported-by: dcb314
Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/note.c b/src/note.c
index a6e48d7..9bce762 100644
--- a/src/note.c
+++ b/src/note.c
@@ -83,6 +83,7 @@ void edit_note(char **note, const char *editor)
 	FILE *fp;
 
 	strncpy(tmppath, get_tempdir(), BUFSIZ);
+	tmppath[BUFSIZ - 1] = '\0';
 	strncat(tmppath, "/calcurse-note.", BUFSIZ - strlen(tmppath) - 1);
 	if ((tmpext = new_tempfile(tmppath, TMPEXTSIZ)) == NULL)
 		return;