[spetreolle] 64520: [EVENTVWR] -Fix use of unitialized handle for the waiting dialog. -Allocate the size of one event for each event, not the amount of all events.

Author: spetreolle
Date: Sat Oct  4 13:34:19 2014
New Revision: 64520

URL: http://svn.reactos.org/svn/reactos?rev=64520&view=rev
Log:
[EVENTVWR]
-Fix use of unitialized handle for the waiting dialog.
-Allocate the size of one event for each event, not the amount of all events.

Modified:
    trunk/reactos/base/applications/mscutils/eventvwr/eventvwr.c

Modified: trunk/reactos/base/applications/mscutils/eventvwr/eventvwr.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/base/applications/mscutils/...
==============================================================================
--- trunk/reactos/base/applications/mscutils/eventvwr/eventvwr.c	[iso-8859-1] (original)
+++ trunk/reactos/base/applications/mscutils/eventvwr/eventvwr.c	[iso-8859-1] Sat Oct  4 13:34:19 2014
@@ -520,7 +520,7 @@
 QueryEventMessages(LPWSTR lpMachineName,
                    LPWSTR lpLogName)
 {
-    HWND hwndDlg;
+    HWND hwndDlg=0;
     HANDLE hEventLog;
     EVENTLOGRECORD *pevlr;
     DWORD dwRead, dwNeeded, dwThisRecord, dwTotalRecords = 0, dwCurrentRecord = 0, dwRecordsToRead = 0, dwFlags, dwMaxLength;
@@ -599,7 +599,7 @@

while (dwCurrentRecord < dwTotalRecords)
     {
-        pevlr = HeapAlloc(GetProcessHeap(), 0, sizeof(EVENTLOGRECORD) * dwTotalRecords);
+        pevlr = HeapAlloc(GetProcessHeap(), 0, sizeof(EVENTLOGRECORD));
         g_RecordPtrs[dwCurrentRecord] = pevlr;

bResult = ReadEventLog(hEventLog,  // Event log handle
@@ -713,7 +713,8 @@
     }

// All events loaded
-    EndDialog(hwndDlg, 0);
+    if(hwndDlg)
+        EndDialog(hwndDlg, 0);

StringCchPrintfExW(szWindowTitle,
                        sizeof(szWindowTitle) / sizeof(WCHAR),