From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Mon, 10 Jul 2017 09:46:54 +0000 (+0200)
Subject: utils: set_stdfds()
X-Git-Tag: lxc-2.1.0~54^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F1690%2Fhead;p=thirdparty%2Flxc.git

utils: set_stdfds()

non-functional changes

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
---

diff --git a/src/lxc/utils.c b/src/lxc/utils.c
index f4fa0ab06..5b61cba00 100644
--- a/src/lxc/utils.c
+++ b/src/lxc/utils.c
@@ -1822,14 +1822,21 @@ int open_devnull(void)
 
 int set_stdfds(int fd)
 {
+	int ret;
+
 	if (fd < 0)
 		return -1;
 
-	if (dup2(fd, 0) < 0)
+	ret = dup2(fd, STDIN_FILENO);
+	if (ret < 0)
 		return -1;
-	if (dup2(fd, 1) < 0)
+
+	ret = dup2(fd, STDOUT_FILENO);
+	if (ret < 0)
 		return -1;
-	if (dup2(fd, 2) < 0)
+
+	ret = dup2(fd, STDERR_FILENO);
+	if (ret < 0)
 		return -1;
 
 	return 0;