winmm: Don't use toupper.

Signed-off-by: Piotr Caban <piotr@codeweavers.com> Signed-off-by: Andrew Eikum <aeikum@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

winmm: Don't use toupper.
b602787a · Piotr Caban · Alexandre Julliard · 2eb18491 · b602787a
Commit b602787a authored Mar 27, 2019 by Piotr Caban Committed by Alexandre Julliard Mar 27, 2019
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mmio.c dlls/winmm/mmio.c +2 -1

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--- a/dlls/winmm/mmio.c
+++ b/dlls/winmm/mmio.c
@@ -38,6 +38,7 @@
 #include "windef.h"
 #include "winbase.h"
 #include "winnls.h"
+#include "winternl.h"
 #include "mmsystem.h"
 #include "winemm.h"

@@ -1054,7 +1055,7 @@ FOURCC WINAPI mmioStringToFOURCCA(LPCSTR sz, UINT uFlags)

    for (i = 0; i < 4 && sz[i]; i++) {
 	if (uFlags & MMIO_TOUPPER) {
-	    cc[i] = toupper(sz[i]);
+	    cc[i] = RtlUpperChar(sz[i]);
 	} else {
 	    cc[i] = sz[i];
 	}