From 82c893686e8f24841a21b7859da5ed39f6775e2a Mon Sep 17 00:00:00 2001
From: millert <millert@openbsd.org>
Date: Thu, 8 Jul 2021 00:38:42 +0000
Subject: [PATCH] csplit(1): Fix extraneous output in edge case When the input
 to csplit contains fewer lines than the number of matches specified, extra
 output was mistakenly included in some output files. From FreeBSD via Tim
 Chase.

---
 usr.bin/csplit/csplit.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/usr.bin/csplit/csplit.c b/usr.bin/csplit/csplit.c
index e32c044bc00..45b0e7747f5 100644
--- a/usr.bin/csplit/csplit.c
+++ b/usr.bin/csplit/csplit.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: csplit.c,v 1.9 2016/10/28 07:22:59 schwarze Exp $	*/
+/*	$OpenBSD: csplit.c,v 1.10 2021/07/08 00:38:42 millert Exp $	*/
 /*	$FreeBSD: src/usr.bin/csplit/csplit.c,v 1.9 2004/03/22 11:15:03 tjr Exp $	*/
 
 /*-
@@ -398,8 +398,10 @@ do_rexp(const char *expr)
 		first = 0;
 	}
 
-	if (p == NULL)
+	if (p == NULL) {
+		toomuch(NULL, 0);
 		errx(1, "%s: no match", re);
+	}
 
 	if (ofs <= 0) {
 		/*
-- 
2.20.1