From e73d481a76a5814076ff78a1c3a70e9b7da7c0e9 Mon Sep 17 00:00:00 2001
From: Erik Larsson <erik@tuxera.com>
Date: Mon, 12 Dec 2022 18:51:12 +0200
Subject: [PATCH] mkntfs.c: Enable microsecond-precision volume creation time.

Previously the creation time was filled in with seconds (obtained using
time(NULL)) but the microsecond part was left zeroed. Fixed by using
gettimeofday when available.
---
 ntfsprogs/mkntfs.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/ntfsprogs/mkntfs.c b/ntfsprogs/mkntfs.c
index 3e127a3d..5c3a367b 100644
--- a/ntfsprogs/mkntfs.c
+++ b/ntfsprogs/mkntfs.c
@@ -776,8 +776,20 @@ static ntfs_time mkntfs_time(void)
 
 	ts.tv_sec = 0;
 	ts.tv_nsec = 0;
-	if (!opts.use_epoch_time)
-		ts.tv_sec = time(NULL);
+	if (!opts.use_epoch_time) {
+#ifdef HAVE_GETTIMEOFDAY
+		struct timeval tv = { 0, 0, };
+
+		if (!gettimeofday(&tv, NULL)) {
+			ts.tv_sec = tv.tv_sec;
+			ts.tv_nsec = tv.tv_usec * 1000L;
+		}
+		else
+#endif
+		{
+			ts.tv_sec = time(NULL);
+		}
+	}
 	return timespec2ntfs(ts);
 }