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Re: [Qemu-devel] [PATCH 2/2] tests: send error_report to test log


From: Dr. David Alan Gilbert
Subject: Re: [Qemu-devel] [PATCH 2/2] tests: send error_report to test log
Date: Tue, 25 Oct 2016 19:43:51 +0100
User-agent: Mutt/1.7.1 (2016-10-04)

* Paolo Bonzini (address@hidden) wrote:
> Implement error_vprintf to send the output of error_report to
> the test log.  This silences test-vmstate.
> 
> Signed-off-by: Paolo Bonzini <address@hidden>

I think I'm OK with that, as long as people are happy with them
still getting stuff on stderr on older glib's.

The advantage over mine is that there's no per-test change.

Dave

> ---
>  include/glib-compat.h | 13 +++++++++++++
>  stubs/error-printf.c  |  8 +++++++-
>  2 files changed, 20 insertions(+), 1 deletion(-)
> 
> diff --git a/include/glib-compat.h b/include/glib-compat.h
> index 8093163..9f86dc8 100644
> --- a/include/glib-compat.h
> +++ b/include/glib-compat.h
> @@ -304,4 +304,17 @@ static inline void g_slist_free_full(GSList *list, 
> GDestroyNotify free_func)
>  }
>  #endif
>  
> +#if !GLIB_CHECK_VERSION(2, 36, 0)
> +/* Always fail.  This will not include error_report output in the test log,
> + * sending it instead to stderr.
> + */
> +#define g_test_initialized() (0)
> +#endif
> +#if !GLIB_CHECK_VERSION(2, 38, 0)
> +#ifdef CONFIG_HAS_GLIB_SUBPROCESS_TESTS
> +#error schizophrenic detection of glib subprocess testing
> +#endif
> +#define g_test_subprocess() (0)
> +#endif
> +
>  #endif
> diff --git a/stubs/error-printf.c b/stubs/error-printf.c
> index 56379e6..ac6b92a 100644
> --- a/stubs/error-printf.c
> +++ b/stubs/error-printf.c
> @@ -4,7 +4,13 @@
>  
>  void error_vprintf(const char *fmt, va_list ap)
>  {
> -    vfprintf(stderr, fmt, ap);
> +    if (g_test_initialized() && !g_test_subprocess()) {
> +        char *msg = g_strdup_vprintf(fmt, ap);
> +        g_test_message("%s", msg);
> +        g_free(msg);
> +    } else {
> +        vfprintf(stderr, fmt, ap);
> +    }
>  }
>  
>  void error_vprintf_unless_qmp(const char *fmt, va_list ap)
> -- 
> 1.8.3.1
> 
> 
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK



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