Alexandre Julliard : ntdll: Add missing backslash to query image file execution options.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: a5463c88e2ed39a56ff1e20ddcb1311b1c8d1eb4
URL:    https://gitlab.winehq.org/wine/wine/-/commit/a5463c88e2ed39a56ff1e20ddcb1311...

Author: Alexandre Julliard 
Date:   Tue Sep 12 09:51:50 2023 +0200

ntdll: Add missing backslash to query image file execution options.

---

dlls/ntdll/loader.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/dlls/ntdll/loader.c b/dlls/ntdll/loader.c
index aa299535181..67104e63286 100644
--- a/dlls/ntdll/loader.c
+++ b/dlls/ntdll/loader.c
@@ -3599,7 +3599,7 @@ static NTSTATUS query_string_option( HANDLE hkey, LPCWSTR name, ULONG type,
 NTSTATUS WINAPI LdrQueryImageFileExecutionOptions( const UNICODE_STRING *key, LPCWSTR value, ULONG type,
                                                    void *data, ULONG in_size, ULONG *out_size )
 {
-    static const WCHAR optionsW[] = L"\Registry\Machine\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options";
+    static const WCHAR optionsW[] = L"\Registry\Machine\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\";
     WCHAR path[MAX_PATH + ARRAY_SIZE( optionsW )];
     OBJECT_ATTRIBUTES attr;
     UNICODE_STRING name_str;
@@ -3619,10 +3619,10 @@ NTSTATUS WINAPI LdrQueryImageFileExecutionOptions( const UNICODE_STRING *key, LP
     while (p > key->Buffer && p[-1] != '\') p--;
     len = key->Length - (p - key->Buffer) * sizeof(WCHAR);
     name_str.Buffer = path;
-    name_str.Length = sizeof(optionsW) + len;
+    name_str.Length = sizeof(optionsW) - sizeof(WCHAR) + len;
     name_str.MaximumLength = name_str.Length;
     memcpy( path, optionsW, sizeof(optionsW) );
-    memcpy( path + ARRAY_SIZE( optionsW ), p, len );
+    memcpy( path + ARRAY_SIZE( optionsW ) - 1, p, len );
     if ((status = NtOpenKey( &hkey, KEY_QUERY_VALUE, &attr ))) return status;

if (type == REG_DWORD)