From 62f0afa2ecead02b1258dabab8097ca278a22f8f Mon Sep 17 00:00:00 2001
From: Mathieu Trudel-Lapierre <mathieu.trudel-lapierre@canonical.com>
Date: Wed, 21 Sep 2016 20:29:42 -0400
Subject: Import upstream version 0.9+1474479173.6c180c6

---
 Cryptlib/SysCall/TimerWrapper.c | 29 +++++++++++++++++------------
 1 file changed, 17 insertions(+), 12 deletions(-)

(limited to 'Cryptlib/SysCall/TimerWrapper.c')

diff --git a/Cryptlib/SysCall/TimerWrapper.c b/Cryptlib/SysCall/TimerWrapper.c
index cee72ba5..27ac44a3 100644
--- a/Cryptlib/SysCall/TimerWrapper.c
+++ b/Cryptlib/SysCall/TimerWrapper.c
@@ -2,7 +2,7 @@
   C Run-Time Libraries (CRT) Time Management Routines Wrapper Implementation
   for OpenSSL-based Cryptographic Library (used in DXE & RUNTIME).
 
-Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2010 - 2016, Intel Corporation. All rights reserved.<BR>
 This program and the accompanying materials
 are licensed and made available under the terms and conditions of the BSD License
 which accompanies this distribution.  The full text of the license may be found at
@@ -71,6 +71,7 @@ UINTN CumulativeDays[2][14] = {
 time_t time (time_t *timer)
 {
   EFI_TIME  Time;
+  time_t    CalTime;
   UINTN     Year;
 
   //
@@ -82,22 +83,26 @@ time_t time (time_t *timer)
   // Years Handling
   // UTime should now be set to 00:00:00 on Jan 1 of the current year.
   //
-  for (Year = 1970, *timer = 0; Year != Time.Year; Year++) {
-    *timer = *timer + (time_t)(CumulativeDays[IsLeap(Year)][13] * SECSPERDAY);
+  for (Year = 1970, CalTime = 0; Year != Time.Year; Year++) {
+    CalTime = CalTime + (time_t)(CumulativeDays[IsLeap(Year)][13] * SECSPERDAY);
   }
 
   //
   // Add in number of seconds for current Month, Day, Hour, Minute, Seconds, and TimeZone adjustment
   //
-  *timer = *timer + 
-           (time_t)((Time.TimeZone != EFI_UNSPECIFIED_TIMEZONE) ? (Time.TimeZone * 60) : 0) +
-           (time_t)(CumulativeDays[IsLeap(Time.Year)][Time.Month] * SECSPERDAY) + 
-           (time_t)(((Time.Day > 0) ? Time.Day - 1 : 0) * SECSPERDAY) + 
-           (time_t)(Time.Hour * SECSPERHOUR) + 
-           (time_t)(Time.Minute * 60) + 
-           (time_t)Time.Second;
-
-  return *timer;
+  CalTime = CalTime + 
+            (time_t)((Time.TimeZone != EFI_UNSPECIFIED_TIMEZONE) ? (Time.TimeZone * 60) : 0) +
+            (time_t)(CumulativeDays[IsLeap(Time.Year)][Time.Month] * SECSPERDAY) + 
+            (time_t)(((Time.Day > 0) ? Time.Day - 1 : 0) * SECSPERDAY) + 
+            (time_t)(Time.Hour * SECSPERHOUR) + 
+            (time_t)(Time.Minute * 60) + 
+            (time_t)Time.Second;
+
+  if (timer != NULL) {
+    *timer = CalTime;
+  }
+
+  return CalTime;
 }
 
 //
-- 
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