From: Alexander Barkov
Date: November 7 2011 6:01am
Subject: bzr push into mysql-trunk branch (alexander.barkov:3548 to 3549) WL#946
List-Archive: http://lists.mysql.com/commits/141760
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 3549 Alexander Barkov	2011-11-07
      WL#946
      Fixing crash on Windows on:
      
        DBUG_ASSERT(sizeof(time_t) == sizeof(when.tv_sec));

    modified:
      sql/log_event.cc
 3548 Alexander Barkov	2011-11-03
      WL#946 clean-ups
      - Introducing new class MYSQL_TIME_cache.
      - minor other improvements

    modified:
      sql/field.cc
      sql/item_timefunc.cc
      sql/item_timefunc.h
      sql/sql_class.h
      sql/sql_time.cc
      sql/tztime.h
=== modified file 'sql/log_event.cc'
--- a/sql/log_event.cc	2011-11-02 06:13:46 +0000
+++ b/sql/log_event.cc	2011-11-07 05:59:51 +0000
@@ -2365,23 +2365,19 @@ void Log_event::print_base64(IO_CACHE* f
 void Log_event::print_timestamp(IO_CACHE* file, time_t *ts)
 {
   struct tm *res;
+  /*
+    In some Windows versions timeval.tv_sec is defined as "long",
+    not as "time_t" and can be of a different size.
+    Let's use a temporary time_t variable to execute localtime()
+    with a correct argument type.
+  */
+  time_t ts_tmp= ts ? *ts : when.tv_sec;
   DBUG_ENTER("Log_event::print_timestamp");
-  if (!ts)
-  {
-    /*
-      In some Windows versions
-      timeval.tv_sec is defined as "long", not as "time_t".
-      Let's use explicit cast and make sure we don't cast
-      to a different integer size.
-    */
-    DBUG_ASSERT(sizeof(time_t) == sizeof(when.tv_sec));
-    ts= (time_t *) &when.tv_sec;
-  }
 #ifdef MYSQL_SERVER				// This is always false
   struct tm tm_tmp;
-  localtime_r(ts,(res= &tm_tmp));
+  localtime_r(&ts_tmp, (res= &tm_tmp));
 #else
-  res=localtime(ts);
+  res= localtime(&ts_tmp);
 #endif
 
   my_b_printf(file,"%02d%02d%02d %2d:%02d:%02d",

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