Jacek Caban : winemac: Don't use MultiByteToWideChar in macdrv_GetKeyNameText.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 916a7487232d0401dbfa7b42de6049b7540b868c
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=916a7487232d0401dbfa7b42de6049b7540b868c

Author: Jacek Caban <jacek at codeweavers.com>
Date:   Wed May 25 15:06:43 2022 +0200

winemac: Don't use MultiByteToWideChar in macdrv_GetKeyNameText.

Also fixes null termination tests in test_key_names.

Signed-off-by: Jacek Caban <jacek at codeweavers.com>

---

 dlls/winemac.drv/keyboard.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/dlls/winemac.drv/keyboard.c b/dlls/winemac.drv/keyboard.c
index d3e9dca9055..08c76eb1389 100644
--- a/dlls/winemac.drv/keyboard.c
+++ b/dlls/winemac.drv/keyboard.c
@@ -1257,8 +1257,9 @@ INT macdrv_GetKeyNameText(LONG lparam, LPWSTR buffer, INT size)
             {
                 if (vkey_names[i].vkey == vkey)
                 {
-                    len = MultiByteToWideChar(CP_UTF8, 0, vkey_names[i].name, -1, buffer, size);
-                    if (len) len--;
+                    len = min(strlen(vkey_names[i].name) + 1, size);
+                    ascii_to_unicode(buffer, vkey_names[i].name, len);
+                    if (len) buffer[--len] = 0;
                     break;
                 }
             }