[3.9] gh-119690: Fixes buffer type confusion in _winapi.CreateFile and _winapi.CreateNamedPipe audit events (GH-119735) (#123679)

(cherry picked from commit 2e861ac)

Co-authored-by: Steve Dower <[email protected]>

Author: miss-islington

Misc/NEWS.d/next/Windows/2024-05-29-17-05-28.gh-issue-119690.U6RMtm.rst

@@ -0,0 +1,2 @@
+Fixes data type confusion in audit events raised by ``_winapi.CreateFile``
+and ``_winapi.CreateNamedPipe``.

Modules/_winapi.c

@@ -461,7 +461,7 @@ _winapi_CreateFile_impl(PyObject *module, LPCTSTR file_name,
 {
     HANDLE handle;
 
-    if (PySys_Audit("_winapi.CreateFile", "uIIII",
+    if (PySys_Audit("_winapi.CreateFile", "sIIII",
                     file_name, desired_access, share_mode,
                     creation_disposition, flags_and_attributes) < 0) {
         return INVALID_HANDLE_VALUE;
@@ -681,7 +681,7 @@ _winapi_CreateNamedPipe_impl(PyObject *module, LPCTSTR name, DWORD open_mode,
 {
     HANDLE handle;
 
-    if (PySys_Audit("_winapi.CreateNamedPipe", "uII",
+    if (PySys_Audit("_winapi.CreateNamedPipe", "sII",
                     name, open_mode, pipe_mode) < 0) {
         return INVALID_HANDLE_VALUE;
     }