[resent] Fix some hackish usages of WideCharToMultiByte

[Alexandre Julliard]

"Colin Finck" <mail at colinfinck.de> writes:

> @@ -947,7 +947,8 @@ static void convert_PCREDENTIALW_to_PCREDENTIALA(const CREDENTIALW *CredentialW,
>      if (CredentialW->TargetName)
>      {
>          CredentialA->TargetName = buffer;
> -        string_len = WideCharToMultiByte(CP_ACP, 0, CredentialW->TargetName, -1, CredentialA->TargetName, -1, NULL, NULL);
> +        /* Buffer is guaranteed to be large enough */
> +        string_len = WideCharToMultiByte(CP_ACP, 0, CredentialW->TargetName, -1, CredentialA->TargetName, 0x7FFFFFFF, NULL, NULL);

It would be cleaner to pass the actual buffer size to the function, it's
complex enough that it would be easy to inadvertently break the
guarantee that the allocated space is large enough.

-- 
Alexandre Julliard
julliard at winehq.org