mfplat: Correctly calculate url scheme length.

When a url is passed in, for example "http://..." We need to include the : in the scheme string not exclude it. Signed-off-by: Alistair Leslie-Hughes <leslie_alistair@hotmail.com> Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

mfplat: Correctly calculate url scheme length.
4662dbd7 · Alistair Leslie-Hughes · Alexandre Julliard · a3cd6220 · 4662dbd7
Commit 4662dbd7 authored Feb 23, 2022 by Alistair Leslie-Hughes Committed by Alexandre Julliard Feb 23, 2022
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main.c dlls/mfplat/main.c +3 -2

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--- a/dlls/mfplat/main.c
+++ b/dlls/mfplat/main.c
@@ -6469,10 +6469,11 @@ static HRESULT resolver_get_scheme_handler(const WCHAR *url, DWORD flags, IMFSch
    if (ptr == url || *ptr != ':')
    {
        url = fileschemeW;
-        ptr = fileschemeW + ARRAY_SIZE(fileschemeW) - 1;
+        len = ARRAY_SIZE(fileschemeW) - 1;
    }
+    else
+        len = ptr - url + 1;
-    len = ptr - url;
    scheme = malloc((len + 1) * sizeof(WCHAR));
    if (!scheme)
        return E_OUTOFMEMORY;