[hbelusca] 58085: [REGEDIT] Fix totally broken InfoMessageBox function. ~=~=\|/ **** Happy New Year 2013 !!!! **** \|/=~=~

Author: hbelusca
Date: Tue Jan  1 14:55:53 2013
New Revision: 58085

URL: http://svn.reactos.org/svn/reactos?rev=58085&view=rev
Log:
[REGEDIT]
Fix totally broken InfoMessageBox function. ~=~=|/ **** Happy New Year 2013 !!!! **** |/=~=~

Modified:
    trunk/reactos/base/applications/regedit/error.c

Modified: trunk/reactos/base/applications/regedit/error.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/base/applications/regedit/e...
==============================================================================
--- trunk/reactos/base/applications/regedit/error.c [iso-8859-1] (original)
+++ trunk/reactos/base/applications/regedit/error.c [iso-8859-1] Tue Jan  1 14:55:53 2013
@@ -40,7 +40,7 @@

va_end(args);

-    iRet = MessageBoxW(hWnd, (Status && lpMsgBuf ? lpMsgBuf : L"Error displaying error message.\n"), lpTitle, MB_OK | MB_ICONERROR);
+    iRet = MessageBoxW(hWnd, (Status && lpMsgBuf ? lpMsgBuf : L"Error displaying error message."), lpTitle, MB_OK | MB_ICONERROR);

if (lpMsgBuf) LocalFree(lpMsgBuf);

@@ -52,22 +52,25 @@
 {
     int iRet = 0;
     LPWSTR lpMsgBuf = NULL;
-    DWORD Status = 0;

va_list args = NULL;
     va_start(args, lpMessage);

-    Status = FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_STRING,
-                            lpMessage,
-                            0,
-                            0,
-                            (LPWSTR)&lpMsgBuf,
-                            0,
-                            &args);
+    if (lpMessage)
+    {
+        SIZE_T strLen = _vscwprintf(lpMessage, args);
+
+        /* Create a buffer on the heap and zero-out it (LPTR) */
+        lpMsgBuf = (LPWSTR)LocalAlloc(LPTR, (strLen + 1) * sizeof(WCHAR));
+        if (lpMsgBuf)
+        {
+            _vsnwprintf(lpMsgBuf, strLen, lpMessage, args);
+        }
+    }

va_end(args);

-    iRet = MessageBoxW(hWnd, (Status && lpMsgBuf ? lpMsgBuf : L"Error displaying error message.\n"), lpTitle, uType);
+    iRet = MessageBoxW(hWnd, (lpMessage && lpMsgBuf ? lpMsgBuf : L"Error displaying info message."), lpTitle, uType);

if (lpMsgBuf) LocalFree(lpMsgBuf);