Re: [PATCH v3 07/11] tests/qtest/migration-test: Build command line using GString API (1/4)

["Dr. David Alan Gilbert" <dgilbert@redhat.com>]

* Philippe Mathieu-Daudé (philmd@linaro.org) wrote:
> Part 1/4: Convert memory & machine options.
> 
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>

Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

> ---
>  tests/qtest/migration-test.c | 24 ++++++++++++++----------
>  1 file changed, 14 insertions(+), 10 deletions(-)
> 
> diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c
> index f96c73f552..9cdef4fa65 100644
> --- a/tests/qtest/migration-test.c
> +++ b/tests/qtest/migration-test.c
> @@ -582,6 +582,7 @@ typedef struct {
>  static int test_migrate_start(QTestState **from, QTestState **to,
>                                const char *uri, MigrateStart *args)
>  {
> +    g_autoptr(GString) cmd_common = NULL;
>      g_autofree gchar *arch_source = NULL;
>      g_autofree gchar *arch_target = NULL;
>      g_autofree gchar *cmd_target = NULL;
> @@ -601,6 +602,9 @@ static int test_migrate_start(QTestState **from, QTestState **to,
>      }
>  
>      got_stop = false;
> +
> +    cmd_common = g_string_new("");
> +
>      bootpath = g_strdup_printf("%s/bootsect", tmpfs);
>      if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
>          /* the assembled x86 boot sector should be exactly one sector large */
> @@ -644,6 +648,10 @@ static int test_migrate_start(QTestState **from, QTestState **to,
>      } else {
>          g_assert_not_reached();
>      }
> +    if (machine_opts) {
> +        g_string_append_printf(cmd_common, " -machine %s ", machine_opts);
> +    }
> +    g_string_append_printf(cmd_common, "-m %s ", memory_size);
>  
>      if (!getenv("QTEST_LOG") && args->hide_stderr) {
>  #ifdef _WIN32
> @@ -674,33 +682,29 @@ static int test_migrate_start(QTestState **from, QTestState **to,
>      if (!args->only_target) {
>          g_autofree gchar *cmd_source = NULL;
>  
> -        cmd_source = g_strdup_printf("-accel kvm%s -accel tcg%s%s "
> +        cmd_source = g_strdup_printf("-accel kvm%s -accel tcg %s "
>                                       "-name source,debug-threads=on "
> -                                     "-m %s "
>                                       "-serial file:%s/src_serial "
>                                       "%s %s %s %s",
>                                       args->use_dirty_ring ?
>                                       ",dirty-ring-size=4096" : "",
> -                                     machine_opts ? " -machine " : "",
> -                                     machine_opts ? machine_opts : "",
> -                                     memory_size, tmpfs,
> +                                     cmd_common->str,
> +                                     tmpfs,
>                                       arch_source, shmem_opts,
>                                       args->opts_source ? args->opts_source : "",
>                                       ignore_stderr);
>          *from = qtest_init(cmd_source);
>      }
>  
> -    cmd_target = g_strdup_printf("-accel kvm%s -accel tcg%s%s "
> +    cmd_target = g_strdup_printf("-accel kvm%s -accel tcg %s "
>                                   "-name target,debug-threads=on "
> -                                 "-m %s "
>                                   "-serial file:%s/dest_serial "
>                                   "-incoming %s "
>                                   "%s %s %s %s",
>                                   args->use_dirty_ring ?
>                                   ",dirty-ring-size=4096" : "",
> -                                 machine_opts ? " -machine " : "",
> -                                 machine_opts ? machine_opts : "",
> -                                 memory_size, tmpfs, uri,
> +                                 cmd_common->str,
> +                                 tmpfs, uri,
>                                   arch_target, shmem_opts,
>                                   args->opts_target ? args->opts_target : "",
>                                   ignore_stderr);
> -- 
> 2.38.1
> 
-- 
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK