diff options
| author | Alex Branham <alex.branham@gmail.com> | 2020-03-24 19:34:14 -0400 |
|---|---|---|
| committer | Eli Zaretskii <eliz@gnu.org> | 2020-04-03 14:15:31 +0300 |
| commit | f134dfa041b30a8c28484a13c2fa08f2fee27ff5 (patch) | |
| tree | 3f617c21a88881d2297ef9f407c3fb0adf66099d /lisp/calendar/time-date.el | |
| parent | f28166dc9a56111606be8ac50ad38179a66ea636 (diff) | |
| download | emacs-f134dfa041b30a8c28484a13c2fa08f2fee27ff5.tar.gz | |
Error out if 'date-days-in-month' is given an invalid month
* lisp/calendar/time-date.el (date-days-in-month): Add test for
month validity; signal an error if it isn't. (Bug#40217)
* test/lisp/calendar/time-date-tests.el (test-days-in-month): Add
a test for the new error.
Diffstat (limited to 'lisp/calendar/time-date.el')
| -rw-r--r-- | lisp/calendar/time-date.el | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lisp/calendar/time-date.el b/lisp/calendar/time-date.el index e2402de8010..9b58a4884bc 100644 --- a/lisp/calendar/time-date.el +++ b/lisp/calendar/time-date.el @@ -355,6 +355,8 @@ is output until the first non-zero unit is encountered." (defun date-days-in-month (year month) "The number of days in MONTH in YEAR." + (unless (<= 1 month 12) + (error "Month %s invalid" month)) (if (= month 2) (if (date-leap-year-p year) 29 |