From: Connor McAdams cmcadams@codeweavers.com
Signed-off-by: Connor McAdams cmcadams@codeweavers.com --- dlls/user32/class.c | 12 ++++++++++-- dlls/user32/tests/class.c | 2 +- 2 files changed, 11 insertions(+), 3 deletions(-)
diff --git a/dlls/user32/class.c b/dlls/user32/class.c index 0cfdf552a5d..e2322ea2fc0 100644 --- a/dlls/user32/class.c +++ b/dlls/user32/class.c @@ -498,7 +498,14 @@ INT WINAPI GetClassNameW( HWND hwnd, LPWSTR buffer, INT count ) */ UINT WINAPI RealGetWindowClassA( HWND hwnd, LPSTR buffer, UINT count ) { - return GetClassNameA( hwnd, buffer, count ); + WCHAR tmpbuf[MAX_ATOM_LEN + 1]; + DWORD len; + + if (count <= 0) return 0; + if (!RealGetWindowClassW( hwnd, tmpbuf, ARRAY_SIZE( tmpbuf ))) return 0; + RtlUnicodeToMultiByteN( buffer, count - 1, &len, tmpbuf, lstrlenW(tmpbuf) * sizeof(WCHAR) ); + buffer[len] = 0; + return len; }
@@ -507,7 +514,8 @@ UINT WINAPI RealGetWindowClassA( HWND hwnd, LPSTR buffer, UINT count ) */ UINT WINAPI RealGetWindowClassW( HWND hwnd, LPWSTR buffer, UINT count ) { - return GetClassNameW( hwnd, buffer, count ); + UNICODE_STRING name = { .Buffer = buffer, .MaximumLength = count * sizeof(WCHAR) }; + return NtUserGetClassName( hwnd, TRUE, &name ); }
diff --git a/dlls/user32/tests/class.c b/dlls/user32/tests/class.c index 54792d92f06..431aa380b42 100644 --- a/dlls/user32/tests/class.c +++ b/dlls/user32/tests/class.c @@ -1609,7 +1609,7 @@ static const struct real_class_test class_tests[] = { { "Edit", "Edit", FALSE, FALSE, TRUE, TRUE, TRUE }, { "ListBox", "ListBox", FALSE, TRUE, TRUE, TRUE, TRUE }, { "ScrollBar", "ScrollBar", FALSE, TRUE, FALSE, TRUE, TRUE }, - { "Static", "Static", TRUE, TRUE, TRUE, TRUE, TRUE }, + { "Static", "Static", TRUE, TRUE, TRUE, TRUE, FALSE }, { "ComboLBox", "ListBox", FALSE, TRUE, TRUE, TRUE, TRUE }, { "MDIClient", "MDIClient", TRUE, TRUE, TRUE, TRUE, TRUE }, { "#32768", "#32768", FALSE, FALSE, TRUE, TRUE, TRUE },