From c345d00db1c3974086686b2ed40c1bc3587157b7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Duval?= <korli@users.berlios.de>
Date: Fri, 5 Nov 2004 13:25:13 +0000
Subject: [PATCH] added a check of permission now set errno and return -1 for
 errors

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9802 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/kernel/libroot/posix/time/stime.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/kernel/libroot/posix/time/stime.c b/src/kernel/libroot/posix/time/stime.c
index 022e06ad97..334365e3eb 100644
--- a/src/kernel/libroot/posix/time/stime.c
+++ b/src/kernel/libroot/posix/time/stime.c
@@ -5,13 +5,21 @@
 
 #include <time.h>
 #include <OS.h>
+#include <errno.h>
 
+// ToDo: replace zero by a ROOT_UID when usergroup.c is implemented
 
 int
 stime(const time_t *tp)
 {
-	if (tp == NULL)
-		return B_ERROR;
+	if (tp == NULL) {
+		errno = EINVAL;
+		return -1;
+	}
+	if (geteuid() != 0) {
+		errno = EPERM;
+		return -1;
+	}
 	set_real_time_clock(*tp);
 	return B_OK;
 }