From 377526f2266c1473e0c699408c59a269c839263a Mon Sep 17 00:00:00 2001
From: vda <vda@69ca8d6d-28ef-0310-b511-8ec308f3f277>
Date: Sun, 25 Mar 2007 23:21:05 +0000
Subject: add NOMMU fixme's; move move_fd from runit_lib to libbb; nuke fd_copy

git-svn-id: svn://busybox.net/trunk/busybox@18237 69ca8d6d-28ef-0310-b511-8ec308f3f277
---
 libbb/xfuncs.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'libbb')

diff --git a/libbb/xfuncs.c b/libbb/xfuncs.c
index c496f9a22..1dcdbc065 100644
--- a/libbb/xfuncs.c
+++ b/libbb/xfuncs.c
@@ -133,6 +133,16 @@ int ndelay_off(int fd)
 	return fcntl(fd,F_SETFL,fcntl(fd,F_GETFL,0) & ~O_NONBLOCK);
 }
 
+// "Renumber" opened fd
+void xmove_fd(int from, int to)
+{
+	if (from == to)
+		return;
+	if (dup2(from, to) != to)
+		bb_perror_msg_and_die("cannot duplicate file descriptor");
+	close(from);
+}
+
 // Die with an error message if we can't write the entire buffer.
 void xwrite(int fd, const void *buf, size_t count)
 {
-- 
cgit v1.2.3-55-g6feb