From 21edf366ea9b5e4dc04c217289fdaf39f08a0060 Mon Sep 17 00:00:00 2001
From: Jim Huang <jim.huang@linaro.org>
Date: Thu, 16 Jun 2011 22:40:10 +0800
Subject: [PATCH] time: Improve C99 compliance

Quote from Linux Programmer's Manual:
  "If t is non-NULL, the return value is also stored in the memory
   pointed to by t."

Change-Id: I8cb66b67e5f34c536ce2f0db76a6dc337c42ea3f
Signed-off-by: Jim Huang <jserv@0xlab.org>
---
 libc/unistd/time.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/libc/unistd/time.c b/libc/unistd/time.c
index 13d73661a..7b450c770 100644
--- a/libc/unistd/time.c
+++ b/libc/unistd/time.c
@@ -34,12 +34,15 @@ time_t
 time(time_t *t)
 {
 	struct timeval tt;
+	time_t ret;
 
 	if (gettimeofday(&tt, (struct timezone *)0) < 0)
-		return (-1);
-	if (t)
-		*t = (time_t)tt.tv_sec;
-	return (tt.tv_sec);
+		ret = -1;
+	else
+		ret = tt.tv_sec;
+	if (t != NULL)
+		*t = ret;
+	return ret;
 }