Re: [WideChar conversion improvements - 1/5] Add a new check for 'dstlen < 0' to WideCharToMultiByte

[Alexandre Julliard]

"Colin Finck"  writes:
> @@ -1893,7 +1893,7 @@ INT WINAPI WideCharToMultiByte( UINT page, DWORD flags, LPCWSTR src, INT srclen,
>      const union cptable *table;
>      int ret, used_tmp;
> - if (!src || (!dst && dstlen))
> - if (!src || (!dst && dstlen) || dstlen < 0)

There are places in Wine that use a negative dstlen, you have to fix
them first.