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Re: [Qemu-devel] [PATCH] error: report hints on stderr when no monitor


From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH] error: report hints on stderr when no monitor
Date: Thu, 5 Jan 2017 15:07:22 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1


On 05/01/2017 14:59, Marc-André Lureau wrote:
> Report the error hint when running from the command line and reaching an
> error, ex:
> 
> $ qemu-system-x86_64 -m 1Z
> qemu-system-x86_64: -m 1Z: Parameter 'size' expects a size
> You may use k, M, G or T suffixes for kilobytes, megabytes, gigabytes and 
> terabytes.
> 
> Signed-off-by: Marc-André Lureau <address@hidden>
> ---
>  monitor.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/monitor.c b/monitor.c
> index a82f547488..e5cc11b5a5 100644
> --- a/monitor.c
> +++ b/monitor.c
> @@ -3973,6 +3973,8 @@ void error_vprintf_unless_qmp(const char *fmt, va_list 
> ap)
>  {
>      if (cur_mon && !monitor_cur_is_qmp()) {
>          monitor_vprintf(cur_mon, fmt, ap);
> +    } else if (!cur_mon) {
> +        vfprintf(stderr, fmt, ap);
>      }
>  }
>  
> 

Good idea!

Paolo



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