Re: [PATCH v2 1/9] tests/virtio-9p: add terminating null in v9fs_string_read()

[Greg Kurz <groug@kaod.org>]

On Wed, 18 Dec 2019 14:06:30 +0100
Christian Schoenebeck <qemu_oss@crudebyte.com> wrote:

> The 9p protocol sends strings in general without null termination
> over the wire. However for future use of this functions it is
> beneficial for the delivered string to be null terminated though
> for being able to use the string with standard C functions which
> often rely on strings being null terminated.
> 
> Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
> ---

LGTM

Reviewed-by: Greg Kurz <groug@kaod.org>

>  tests/virtio-9p-test.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/tests/virtio-9p-test.c b/tests/virtio-9p-test.c
> index e7b58e3a0c..06263edb53 100644
> --- a/tests/virtio-9p-test.c
> +++ b/tests/virtio-9p-test.c
> @@ -130,8 +130,9 @@ static void v9fs_string_read(P9Req *req, uint16_t *len, char **string)
>          *len = local_len;
>      }
>      if (string) {
> -        *string = g_malloc(local_len);
> +        *string = g_malloc(local_len + 1);
>          v9fs_memread(req, *string, local_len);
> +        (*string)[local_len] = 0;
>      } else {
>          v9fs_memskip(req, local_len);
>      }