[janderwald] 23142: * check parameters in CreateAcceleratorTableA/W and DestroyAcceleratorTable

Author: janderwald
Date: Tue Jul 18 17:44:39 2006
New Revision: 23142

URL: http://svn.reactos.org/svn/reactos?rev=23142&view=rev
Log:
* check parameters in CreateAcceleratorTableA/W and DestroyAcceleratorTable

Modified:
    trunk/reactos/dll/win32/user32/windows/accel.c

Modified: trunk/reactos/dll/win32/user32/windows/accel.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/user32/windows/ac...
==============================================================================
--- trunk/reactos/dll/win32/user32/windows/accel.c (original)
+++ trunk/reactos/dll/win32/user32/windows/accel.c Tue Jul 18 17:44:39 2006
@@ -187,6 +187,9 @@
  U32_ACCEL_CACHE_ENTRY ** ppEntry;
  ULONG_PTR nUsage = 0;

+ if (!hAccel)
+  return FALSE;
+
  EnterCriticalSection(&U32AccelCacheLock);

/* see if this accelerator table has been cached */
@@ -281,6 +284,8 @@
  */
 HACCEL WINAPI CreateAcceleratorTableW(LPACCEL lpaccl, int cEntries)
 {
+ if (!cEntries || !lpaccl) return (HACCEL)0;
+
  return NtUserCreateAcceleratorTable(lpaccl, cEntries);
 }

@@ -325,6 +330,8 @@
 HACCEL WINAPI CreateAcceleratorTableA(LPACCEL lpaccl, int cEntries)
 {
  int i;
+
+ if (!cEntries || !lpaccl) return (HACCEL)0;

for(i = 0; i < cEntries; ++ i)
   if(!lpaccl[i].fVirt)