From 2ac773385f9852a165c3ae45e1bef02fb684f83d Mon Sep 17 00:00:00 2001
From: Nekotekina <nekotekina@gmail.com>
Date: Thu, 23 Nov 2017 22:18:38 +0300
Subject: [PATCH] Clamp utime range (Wnd)

---
 Utilities/File.cpp | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/Utilities/File.cpp b/Utilities/File.cpp
index 6c700e1625..f9c1cf7425 100644
--- a/Utilities/File.cpp
+++ b/Utilities/File.cpp
@@ -75,10 +75,25 @@ static time_t to_time(const FILETIME& ft)
 
 static FILETIME from_time(s64 _time)
 {
-	const ullong wtime = (_time + 11644473600ULL) * 10000000ULL;
 	FILETIME result;
-	result.dwLowDateTime = static_cast<DWORD>(wtime);
-	result.dwHighDateTime = static_cast<DWORD>(wtime >> 32);
+
+	if (_time <= -11644473600ll)
+	{
+		result.dwLowDateTime = 0;
+		result.dwHighDateTime = 0;
+	}
+	else if (_time > INT64_MAX / 10000000ll - 11644473600ll)
+	{
+		result.dwLowDateTime = 0xffffffff;
+		result.dwHighDateTime = 0x7fffffff;
+	}
+	else
+	{
+		const ullong wtime = (_time + 11644473600ull) * 10000000ull;
+		result.dwLowDateTime = static_cast<DWORD>(wtime);
+		result.dwHighDateTime = static_cast<DWORD>(wtime >> 32);
+	}
+
 	return result;
 }