On 03/11/2020 16.14, Paolo Bonzini wrote:
> device-introspect-test uses HMP, so it should escape the device name
> properly.  Because of this, a few devices that had commas in their
> names were escaping testing.
> 
> Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
> ---
>  tests/qtest/device-introspect-test.c | 9 ++++++---
>  1 file changed, 6 insertions(+), 3 deletions(-)
> 
> diff --git a/tests/qtest/device-introspect-test.c 
> b/tests/qtest/device-introspect-test.c
> index 9f22340ee5..f471b0e0dd 100644
> --- a/tests/qtest/device-introspect-test.c
> +++ b/tests/qtest/device-introspect-test.c
> @@ -104,7 +104,9 @@ static QList *device_type_list(QTestState *qts, bool 
> abstract)
>  static void test_one_device(QTestState *qts, const char *type)
>  {
>      QDict *resp;
> -    char *help;
> +    g_autofree char *help;
> +    g_autofree GRegex *comma;
> +    g_autofree char *escaped;
>  
>      g_test_message("Testing device '%s'", type);
>  
> @@ -113,8 +115,9 @@ static void test_one_device(QTestState *qts, const char 
> *type)
>                 type);
>      qobject_unref(resp);
>  
> -    help = qtest_hmp(qts, "device_add \"%s,help\"", type);
> -    g_free(help);
> +    comma = g_regex_new(",", 0, 0, NULL);
> +    escaped = g_regex_replace_literal(comma, type, -1, 0, ",,", 0, NULL);
> +    help = qtest_hmp(qts, "device_add \"%s,help\"", escaped);
>  }

Having "help =" as final statement now, this looks somewhat weird at a first
glance (until you look at the g_autofree at the beginning of the function).
Maybe it's better to drop the help variable completely and just do:
g_free(gtest_hmp(...)) ?

 Thomas


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