Re: [PATCH 1/3] msvcrt: Improve tolower_l implementation

[Alexandre Julliard]

Piotr Caban  writes:
> - if(!MultiByteToWideChar(locinfo->lc_codepage,
> -
>            MB_ERR_INVALID_CHARS, (char*)str, p-str, &wide, 1))
> -
>    return c;
> -
> - lower = tolowerW(wide);
> - if(lower == wide)
> -
>    return str[0] + (str[1]<<8);
> -
> - WideCharToMultiByte(locinfo->lc_codepage, 0,
> -
>        &lower, 1, (char*)str, 2, NULL, NULL);

You should probably also check the resulting length here.