From 30cfb241294100ece14c530fa5b432011772a014 Mon Sep 17 00:00:00 2001
From: Paul Richards <paul@FreeBSD.org>
Date: Sun, 15 Oct 2000 00:35:34 +0000
Subject: [PATCH] Since -e and -r are right next to each other prompt before
 clobbering a crontab you were planning to edit.

---
 usr.sbin/cron/crontab/crontab.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/usr.sbin/cron/crontab/crontab.c b/usr.sbin/cron/crontab/crontab.c
index 1ae67770422..5490f4cac99 100644
--- a/usr.sbin/cron/crontab/crontab.c
+++ b/usr.sbin/cron/crontab/crontab.c
@@ -248,6 +248,16 @@ list_cmd() {
 static void
 delete_cmd() {
 	char	n[MAX_FNAME];
+	int ch, first;
+
+	if (isatty(STDIN_FILENO)) {
+		(void)fprintf(stderr, "remove crontab for %s? ", User);
+		first = ch = getchar();
+		while (ch != '\n' && ch != EOF)
+			ch = getchar();
+		if (first != 'y' && first != 'Y')
+			return;
+	}
 
 	log_it(RealUser, Pid, "DELETE", User);
 	(void) sprintf(n, CRON_TAB(User));