Changeset 9901 for trunk/src

Timestamp:

Mar 5, 2003, 3:48:45 PM (22 years ago)

Author:

sandervl

Message:

better parameter checks in timeBegin/EndPeriod

Location:

trunk/src/winmm

Files:

• os2timer.h (modified) (2 diffs)
• time.cpp (modified) (3 diffs)

trunk/src/winmm/os2timer.h

@@ -1 @@
-/* $Id: os2timer.h,v 1.11 2001-10-03 13:47:58 sandervl Exp $ */
+/* $Id: os2timer.h,v 1.12 2003-03-05 14:48:45 sandervl Exp $ */
 
 #ifndef __OS2TIMER_H__
@@ -32 +32 @@
   we need to add support for dynamic detection of this feature.
   */
-#define OS2TIMER_RESOLUTION_MINIMUM 2
+#define OS2TIMER_RESOLUTION_MINIMUM 1
 #define OS2TIMER_RESOLUTION_MAXIMUM 0x7ffffffe
 

trunk/src/winmm/time.cpp

@@ -1 @@
-/* $Id: time.cpp,v 1.16 2002-05-22 15:50:26 sandervl Exp $ */
+/* $Id: time.cpp,v 1.17 2003-03-05 14:48:45 sandervl Exp $ */
 
 /*
@@ -87 +87 @@
 MMRESULT WINAPI timeBeginPeriod(UINT cMilliseconds)
 {
+  if (cMilliseconds < OS2TIMER_RESOLUTION_MINIMUM || cMilliseconds > OS2TIMER_RESOLUTION_MAXIMUM)
+      return TIMERR_NOCANDO;
+
   if (TRUE == OS2TimerResolution::enterResolutionScope(cMilliseconds))
     return TIMERR_NOERROR;
@@ -108 +111 @@
 MMRESULT WINAPI timeEndPeriod(UINT cMilliseconds)
 {
+  if (cMilliseconds < OS2TIMER_RESOLUTION_MINIMUM || cMilliseconds > OS2TIMER_RESOLUTION_MAXIMUM)
+      return TIMERR_NOCANDO;
+
   if (TRUE == OS2TimerResolution::leaveResolutionScope(cMilliseconds))
     return TIMERR_NOERROR;