Nikolay Sivov : comctl32/monthcal: No need to calculate month length on every iteration.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 49949cbbc2cd83d4f0ff1a6c045d94e56336daa0
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=49949cbbc2cd83d4f0ff1a6c04...

Author: Nikolay Sivov <nsivov(a)codeweavers.com>
Date:   Mon Aug  2 09:42:36 2010 +0400

comctl32/monthcal: No need to calculate month length on every iteration.

---

 dlls/comctl32/monthcal.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/dlls/comctl32/monthcal.c b/dlls/comctl32/monthcal.c
index 677db91..9fe7f5c 100644
--- a/dlls/comctl32/monthcal.c
+++ b/dlls/comctl32/monthcal.c
@@ -949,7 +949,7 @@ static void MONTHCAL_PaintFocusAndCircle(const MONTHCAL_INFO *infoPtr, HDC hdc,
 static void MONTHCAL_PaintCalendar(const MONTHCAL_INFO *infoPtr, HDC hdc, const PAINTSTRUCT *ps, INT calIdx)
 {
   const SYSTEMTIME *date = &infoPtr->calendars[calIdx].month;
-  INT prev_month, i, j;
+  INT prev_month, i, j, length;
   RECT r, fill_bk_rect;
   SYSTEMTIME st;
   WCHAR buf[80];
@@ -1004,8 +1004,9 @@ static void MONTHCAL_PaintCalendar(const MONTHCAL_INFO *infoPtr, HDC hdc, const
     {
       MONTHCAL_GetMinDate(infoPtr, &st);
       mask = 1 << (st.wDay-1);
+      length = MONTHCAL_MonthLength(prev_month, date->wYear);
 
-      while(st.wDay <= MONTHCAL_MonthLength(prev_month, date->wYear))
+      while(st.wDay <= length)
       {
         MONTHCAL_DrawDay(infoPtr, hdc, &st, infoPtr->monthdayState[0] & mask, ps);
         mask <<= 1;
@@ -1036,7 +1037,8 @@ static void MONTHCAL_PaintCalendar(const MONTHCAL_INFO *infoPtr, HDC hdc, const
   st = *date;
   st.wDay = 1;
   mask = 1;
-  while(st.wDay <= MONTHCAL_MonthLength(date->wMonth, date->wYear))
+  length = MONTHCAL_MonthLength(date->wMonth, date->wYear);
+  while(st.wDay <= length)
   {
     MONTHCAL_DrawDay(infoPtr, hdc, &st, infoPtr->monthdayState[1] & mask, ps);
     mask <<= 1;