[pschweitzer] 73845: [SHELL32] For the input string, WideCharToMultiByte takes a char count and not a buffer size. CID 1401096, 1401088

Author: pschweitzer
Date: Sun Feb 19 13:22:02 2017
New Revision: 73845
URL: http://svn.reactos.org/svn/reactos?rev=73845&view=rev
Log:
[SHELL32]
For the input string, WideCharToMultiByte takes a char count and not a buffer size.
CID 1401096, 1401088
Modified:
    trunk/reactos/dll/win32/shell32/CShellLink.cpp
Modified: trunk/reactos/dll/win32/shell32/CShellLink.cpp
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/shell32/CShellLi…
==============================================================================
--- trunk/reactos/dll/win32/shell32/CShellLink.cpp      [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/shell32/CShellLink.cpp      [iso-8859-1] Sun Feb 19 13:22:02
2017
@@ -1074,13 +1074,17 @@
         /* Copy the file data if a file path was returned */
         if (*pszFile)
         {
+            DWORD len;
+
             /* Copy the fixed part */
             CopyMemory(pfd, &wfd, FIELD_OFFSET(WIN32_FIND_DATAA, cFileName));
             /* Convert the file names to ANSI */
-            WideCharToMultiByte(CP_ACP, 0, wfd.cFileName, sizeof(wfd.cFileName),
+            len = lstrlenW(wfd.cFileName);
+            WideCharToMultiByte(CP_ACP, 0, wfd.cFileName, len + 1,
                                 pfd->cFileName, sizeof(pfd->cFileName), NULL,
NULL);
-            WideCharToMultiByte(CP_ACP, 0, wfd.cAlternateFileName,
sizeof(wfd.cAlternateFileName),
+            len = lstrlenW(wfd.cAlternateFileName);
+            WideCharToMultiByte(CP_ACP, 0, wfd.cAlternateFileName, len + 1,
                                 pfd->cAlternateFileName,
sizeof(pfd->cAlternateFileName), NULL, NULL);
         }
     }