From 8642946bd00e0c6dff9f08d84a63d32ce6648538 Mon Sep 17 00:00:00 2001
From: Vladimir Zapolskiy <vzapolskiy@gmail.com>
Date: Wed, 2 Jun 2010 10:27:16 +0400
Subject: lutimes: add lutimes support

This patch adds lutimes library call support.

Signed-off-by: Vladimir Zapolskiy <vzapolskiy@gmail.com>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
---
 libc/sysdeps/linux/common/lutimes.c | 38 +++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 libc/sysdeps/linux/common/lutimes.c

(limited to 'libc/sysdeps/linux/common/lutimes.c')

diff --git a/libc/sysdeps/linux/common/lutimes.c b/libc/sysdeps/linux/common/lutimes.c
new file mode 100644
index 000000000..0b4a8ea45
--- /dev/null
+++ b/libc/sysdeps/linux/common/lutimes.c
@@ -0,0 +1,38 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * lutimes() implementation for uClibc
+ *
+ * Copyright (C) 2010 Vladimir Zapolskiy <vzapolskiy@gmail.com>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <sys/syscall.h>
+#include <time.h>
+
+#ifdef __NR_lutimes
+_syscall2(int, lutimes, const char *, file, const struct timeval *, tvp)
+#else
+#include <sys/time.h>
+#include <fcntl.h>
+
+int lutimes(const char *file, const struct timeval tvp[2])
+{
+	struct timespec ts[2];
+
+	if (tvp != NULL)
+	{
+		if (tvp[0].tv_usec < 0 || tvp[0].tv_usec >= 1000000
+		    || tvp[1].tv_usec < 0 || tvp[1].tv_usec >= 1000000)
+		{
+			__set_errno(EINVAL);
+			return -1;
+		}
+
+		TIMEVAL_TO_TIMESPEC(&tvp[0], &ts[0]);
+		TIMEVAL_TO_TIMESPEC(&tvp[1], &ts[1]);
+	}
+
+	return utimensat(AT_FDCWD, file, tvp ? ts : NULL, AT_SYMLINK_NOFOLLOW);
+}
+#endif
-- 
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