From 6d9efc2432ee9582ada3d30fd5ff34d95434fa0c Mon Sep 17 00:00:00 2001
From: Martin Cracauer <cracauer@FreeBSD.org>
Date: Wed, 17 Nov 1999 16:53:34 +0000
Subject: [PATCH] The pipleline problem introduced in version 1.22 wasn't fully
 fixed in 1.23. This revision should work for long pipes both in
 here-documents/backquote and in normal cases.

Fix works for jmz, bde.
---
 bin/sh/eval.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bin/sh/eval.c b/bin/sh/eval.c
index b1609fd1f93..0699a669839 100644
--- a/bin/sh/eval.c
+++ b/bin/sh/eval.c
@@ -499,7 +499,7 @@ evalpipe(n)
 				close(prevfd);
 			}
 			if (pip[1] >= 0) {
-				if (prevfd < 0)
+				if (!(prevfd >= 0 && pip[0] == 0))
 					close(pip[0]);
 				if (pip[1] != 1) {
 					close(1);