From c2f4e2b338906918c77634631ff82f106570e02e Mon Sep 17 00:00:00 2001 From: Nikolay Sivov Date: Fri, 1 Mar 2019 00:53:43 +0300 Subject: [PATCH] user32: Make GetWindowLong() fail for some values on 64-bit. Signed-off-by: Nikolay Sivov Signed-off-by: Alexandre Julliard --- dlls/user32/tests/win.c | 4 ---- dlls/user32/win.c | 28 ++++++++++++++++++++++++++-- 2 files changed, 26 insertions(+), 6 deletions(-) diff --git a/dlls/user32/tests/win.c b/dlls/user32/tests/win.c index d9a8e85d7b5..639eef4c424 100644 --- a/dlls/user32/tests/win.c +++ b/dlls/user32/tests/win.c @@ -6346,7 +6346,6 @@ static void test_set_window_long_size(void) /* GWLP_WNDPROC */ SetLastError(0xdeadbeef); wnd_proc = (WNDPROC)(LONG_PTR)GetWindowLongA(hwnd, GWLP_WNDPROC); -todo_wine ok(!wnd_proc && GetLastError() == ERROR_INVALID_INDEX, "Unexpected window proc.\n"); wnd_proc = (WNDPROC)GetWindowLongPtrA(hwnd, GWLP_WNDPROC); @@ -6427,12 +6426,10 @@ todo_wine SetLastError(0xdeadbeef); ret = GetWindowLongA(hwnd, GWLP_HINSTANCE); -todo_wine ok(!ret && GetLastError() == ERROR_INVALID_INDEX, "Unexpected instance %#x.\n", ret); SetLastError(0xdeadbeef); ret = GetWindowLongW(hwnd, GWLP_HINSTANCE); -todo_wine ok(!ret && GetLastError() == ERROR_INVALID_INDEX, "Unexpected instance %#x.\n", ret); SetLastError(0xdeadbeef); @@ -6451,7 +6448,6 @@ todo_wine /* GWLP_HWNDPARENT */ SetLastError(0xdeadbeef); ret = GetWindowLongA(hwnd, GWLP_HWNDPARENT); -todo_wine ok(!ret && GetLastError() == ERROR_INVALID_INDEX, "Unexpected parent window %#x.\n", ret); SetLastError(0xdeadbeef); diff --git a/dlls/user32/win.c b/dlls/user32/win.c index f5ac867d2b0..0bb9fd9cba7 100644 --- a/dlls/user32/win.c +++ b/dlls/user32/win.c @@ -2690,7 +2690,19 @@ WORD WINAPI GetWindowWord( HWND hwnd, INT offset ) */ LONG WINAPI GetWindowLongA( HWND hwnd, INT offset ) { - return WIN_GetWindowLong( hwnd, offset, sizeof(LONG), FALSE ); + switch (offset) + { +#ifdef _WIN64 + case GWLP_WNDPROC: + case GWLP_HINSTANCE: + case GWLP_HWNDPARENT: + WARN( "Invalid offset %d\n", offset ); + SetLastError( ERROR_INVALID_INDEX ); + return 0; +#endif + default: + return WIN_GetWindowLong( hwnd, offset, sizeof(LONG), FALSE ); + } } @@ -2699,7 +2711,19 @@ LONG WINAPI GetWindowLongA( HWND hwnd, INT offset ) */ LONG WINAPI GetWindowLongW( HWND hwnd, INT offset ) { - return WIN_GetWindowLong( hwnd, offset, sizeof(LONG), TRUE ); + switch (offset) + { +#ifdef _WIN64 + case GWLP_WNDPROC: + case GWLP_HINSTANCE: + case GWLP_HWNDPARENT: + WARN( "Invalid offset %d\n", offset ); + SetLastError( ERROR_INVALID_INDEX ); + return 0; +#endif + default: + return WIN_GetWindowLong( hwnd, offset, sizeof(LONG), TRUE ); + } }