From 76cd9c89bba568cda5d4fd048707fc566bdbbdde Mon Sep 17 00:00:00 2001
From: Xiang Xiao <xiaoxiang@xiaomi.com>
Date: Fri, 9 Jul 2021 11:32:33 +0800
Subject: [PATCH] libc: Implement futimes on top of futimens

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: Ie54de66ca1bc26a68f2922861e1edd1fdabb8f33
---
 libs/libc/unistd/lib_futimes.c | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/libs/libc/unistd/lib_futimes.c b/libs/libc/unistd/lib_futimes.c
index 1029342a52..30616492f2 100644
--- a/libs/libc/unistd/lib_futimes.c
+++ b/libs/libc/unistd/lib_futimes.c
@@ -22,10 +22,8 @@
  * Included Files
  ****************************************************************************/
 
-#include <nuttx/config.h>
-
+#include <sys/stat.h>
 #include <sys/time.h>
-#include <errno.h>
 
 /****************************************************************************
  * Public Functions
@@ -33,6 +31,17 @@
 
 int futimes(int fd, const struct timeval tv[2])
 {
-  set_errno(ENOTSUP);
-  return ERROR;
+  struct timespec times[2];
+
+  if (tv == NULL)
+    {
+      return futimens(fd, NULL);
+    }
+
+  times[0].tv_sec  = tv[0].tv_sec;
+  times[0].tv_nsec = tv[0].tv_usec * 1000;
+  times[1].tv_sec  = tv[1].tv_sec;
+  times[1].tv_nsec = tv[1].tv_usec * 1000;
+
+  return futimens(fd, times);
 }