From 95a44a8aed37f5f8146b3fdced5718aa5e72f4ec Mon Sep 17 00:00:00 2001
From: David Levine <levinedl@acm.org>
Date: Thu, 12 Dec 2013 18:27:17 -0600
Subject: [PATCH] Squelch warning from cc on OpenBSD that fd argument of
 usr_pipe() in slocal.c might get clobbered by vfork() by copying it to a
 volatile local.

---
 uip/slocal.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/uip/slocal.c b/uip/slocal.c
index c944cd69..8daf6081 100644
--- a/uip/slocal.c
+++ b/uip/slocal.c
@@ -1042,8 +1042,9 @@ usr_folder (int fd, char *string)
  */
 
 static int
-usr_pipe (int fd, char *cmd, char *pgm, char **vec, int suppress)
+usr_pipe (int fd_arg, char *cmd, char *pgm, char **vec, int suppress)
 {
+    volatile int fd = fd_arg;
     pid_t child_id;
     int i, bytes, seconds, status;
     struct stat st;
-- 
2.56.0