[ruby/date] Check month range as civil

2022-10-27 14:12:27 +09:00 · 2022-10-27 14:12:27 +09:00 · 739ad81ff1
parent cb80ee7a4a
commit 739ad81ff1
1 changed files with 2 additions and 0 deletions
--- a/ext/date/date_core.c
+++ b/ext/date/date_core.c
@ -761,6 +761,8 @@ c_valid_civil_p(int y, int m, int d, double sg,

    if (m < 0)
 	m += 13;
+    if (m < 1 || m > 12)
+	return 0;
    if (d < 0) {
 	if (!c_find_ldom(y, m, sg, rjd, ns))
 	    return 0;