[RFC PATCH 21/38] utime: prefer utimensat syscall

[Jonas Bonn]

Signed-off-by: Jonas Bonn <jonas at southpole.se>
---
 libc/sysdeps/linux/common/utime.c |   19 ++++++++++++++++++-
 1 files changed, 18 insertions(+), 1 deletions(-)

diff --git a/libc/sysdeps/linux/common/utime.c b/libc/sysdeps/linux/common/utime.c
index c9fd1bf..5d8ca6b 100644
--- a/libc/sysdeps/linux/common/utime.c
+++ b/libc/sysdeps/linux/common/utime.c
@@ -10,8 +10,25 @@
 #include <sys/syscall.h>
 #include <utime.h>
 
+#ifdef __NR_utimensat
+int utime(const char* file, const struct utimbuf *times)
+{
+	struct timespec tspecs[2], *ts;
+
+	if (times) {
+		ts = tspecs;
+		ts[0].tv_sec = times->actime;
+		ts[0].tv_nsec = 0;
+		ts[1].tv_sec = times->modtime;
+		ts[1].tv_nsec = 0;
+	} else {
+		ts = NULL;
+	}
+
+	return utimensat(AT_FDCWD, file, ts, 0);
+}
 
-#ifdef __NR_utime
+#elif defined __NR_utime
 _syscall2(int, utime, const char *, file, const struct utimbuf *, times)
 #else
 #include <stdlib.h>
-- 
1.7.5.4