Dmitry Timoshkov : msvcrt: Restore error handling code in localtime.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: e98d1da7d4ad94e7d07a33a4d8bfb5ec7ec7408f
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=e98d1da7d4ad94e7d07a33a4d8...

Author: Dmitry Timoshkov <dmitry(a)codeweavers.com>
Date:   Tue Aug 21 21:44:24 2007 +0900

msvcrt: Restore error handling code in localtime.

---

 dlls/msvcrt/time.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/dlls/msvcrt/time.c b/dlls/msvcrt/time.c
index 4d75fb9..69762e0 100644
--- a/dlls/msvcrt/time.c
+++ b/dlls/msvcrt/time.c
@@ -105,10 +105,14 @@ MSVCRT_time_t CDECL MSVCRT_mktime(struct MSVCRT_tm *mstm)
 struct MSVCRT_tm* CDECL MSVCRT_localtime(const MSVCRT_time_t* secs)
 {
     struct tm tm;
-    thread_data_t *data = msvcrt_get_thread_data();
+    thread_data_t *data;
     time_t seconds = *secs;
 
-    localtime_r( &seconds, &tm );
+    if (seconds < 0) return NULL;
+
+    if (!localtime_r( &seconds, &tm )) return NULL;
+
+    data = msvcrt_get_thread_data();
     unix_tm_to_msvcrt( &data->time_buffer, &tm );
 
     return &data->time_buffer;