From a75ad0f08b9ce337bc06a4be560488d3eacdea75 Mon Sep 17 00:00:00 2001
From: "Arnold D. Robbins" <arnold@skeeve.com>
Date: Sun, 9 Oct 2011 21:14:52 +0200
Subject: Fixes for io noticed on PC, and also pc versions.

---
 io.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

(limited to 'io.c')

diff --git a/io.c b/io.c
index df79499c..e423a436 100644
--- a/io.c
+++ b/io.c
@@ -444,9 +444,14 @@ remap_std_file(int oldfd)
 	int newfd;
 	int ret = -1;
 
-	close(oldfd);
-	newfd = open("/dev/null", O_RDWR);
-	if (newfd >= 0 && newfd != oldfd) {
+	/*
+	 * Give OS-specific routines in gawkmisc.c chance to interpret
+	 * "/dev/null" as appropriate for their platforms.
+	 */
+	newfd = os_devopen("/dev/null", O_RDWR);
+	if (newfd == INVALID_HANDLE)
+		newfd = open("/dev/null", O_RDWR);
+	if (newfd >= 0) {
 		/* dup2() will close oldfd for us first. */
 		ret = dup2(newfd, oldfd);
 		if (ret == 0)
-- 
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