Changeset 6557 for trunk/src

Timestamp:

Aug 18, 2001, 5:49:24 AM (24 years ago)

Author:

phaller

Message:

Performance improvement on ::findSection

File:

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

trunk/src/gdi32/dibsect.cpp

@@ -1 @@
-/* $Id: dibsect.cpp,v 1.55 2001-06-12 17:01:10 sandervl Exp $ */
+/* $Id: dibsect.cpp,v 1.56 2001-08-18 03:49:24 phaller Exp $ */
 
 /*
@@ -751 +751 @@
 DIBSection *DIBSection::findObj(HANDLE handle)
 {
- DIBSection *dsect = section;
-
+  // PH 2001-08-18 shortcut for performance optimization
+  if (!section)
+      return NULL;
+
+  DIBSection *dsect = section;
   dibMutex.enter();
-  while(dsect)
+
+  do
   {
     if(dsect->handle == handle)
@@ -763 +767 @@
     dsect = dsect->next;
   }
+  while(dsect);
+
   dibMutex.leave();
   return(NULL);