Re: [PATCH 2/3] grep: reset state after truncated or invalid multibyte sequences

[Jim Meyering]

Paolo Bonzini wrote:
> From: Norihirio Tanaka <address@hidden>
>
> * src/searchutils.c (is_mb_middle): When treating an invalid sequence
> or a truncated multibyte character as a single byte character, reset
> mbstate
> ---
>  src/searchutils.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/src/searchutils.c b/src/searchutils.c
> index ef4fef3..960e3ba 100644
> --- a/src/searchutils.c
> +++ b/src/searchutils.c
> @@ -131,6 +131,7 @@ is_mb_middle(const char **good, const char *buf, const 
> char *end)
>         /* An invalid sequence, or a truncated multibyte character.
>            We treat it as a single byte character.  */
>         mbclen = 1;
> +       memset(mbstate, 0, sizeof(mbstate_t));
>       }
>        p += mbclen;
>      }

Thank you for the patch.
Do either of you have a test case?