[libvirt] [PATCH] examples: check asprintf return value in client_info.c

[Jiri Denemark]

On Fri, Jul 01, 2016 at 15:01:35 +0200, Ján Tomko wrote:
> On error, asprintf returns -1 and the contents of the string
> pointer is undefined. In the rest of the libvirt code,
> the virAsprintf wrapper takes care of that.
> 
> Check the return value and report a generic error, since we
> purposefully avoid linking to virutil.
> ---
>  examples/admin/client_info.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/examples/admin/client_info.c b/examples/admin/client_info.c
> index dd0a04a..314a090 100644
> --- a/examples/admin/client_info.c
> +++ b/examples/admin/client_info.c
> @@ -86,6 +86,11 @@ exampleGetTypedParamValue(virTypedParameterPtr item)
>          return NULL;
>      }
>  
> +    if (ret < 0) {
> +        fprintf(stderr, "error formatting typed param value\n");
> +        return NULL;
> +    }
> +
>      return str;
>  }

ACK

Jirka