From a079039934311f64a48e1010a97492a22126042e Mon Sep 17 00:00:00 2001
From: Rob Landley <rob@landley.net>
Date: Mon, 8 Feb 2021 03:08:26 -0600
Subject: Have xclose() perform the fd != -1 test.

---
 lib/xwrap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/xwrap.c b/lib/xwrap.c
index 22f00f2b..607f3c61 100644
--- a/lib/xwrap.c
+++ b/lib/xwrap.c
@@ -416,7 +416,7 @@ void xpipe(int *pp)
 
 void xclose(int fd)
 {
-  if (close(fd)) perror_exit("xclose");
+  if (fd != -1 && close(fd)) perror_exit("xclose");
 }
 
 int xdup(int fd)
-- 
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