Changeset 7361 for trunk/src/gdi32/dibsect.cpp

Timestamp:

Nov 16, 2001, 4:51:00 PM (24 years ago)

Author:

phaller

Message:

minor performance improvement

File:

• trunk/src/gdi32/dibsect.cpp (modified) (3 diffs)

trunk/src/gdi32/dibsect.cpp

@@ -1 @@
-/* $Id: dibsect.cpp,v 1.59 2001-11-13 13:18:22 sandervl Exp $ */
+/* $Id: dibsect.cpp,v 1.60 2001-11-16 15:50:59 phaller Exp $ */
 
 /*
@@ -786 +786 @@
 DIBSection *DIBSection::findHDC(HDC hdc)
 {
- DIBSection *dsect = section;
-
-  while(dsect)
+  // PH 2001-08-18 shortcut for performance optimization
+  if (!section)
+      return NULL;
+  
+  DIBSection *dsect = section;
+  
+  do
   {
         if(dsect->hdc == hdc)
@@ -796 +800 @@
         dsect = dsect->next;
   }
+  while(dsect);
+    
   return(NULL);
 }