Re: [PATCH 2/7] tests: fix a memory leak in test-parse-options.c

>
> Fix a memory leak in t/helper/test-parse-options.c, we were not
> freeing the allocated "struct string_list" or its items. While I'm at
> it move the declaration of the "list" string_list the
> cmd__parse_options() function.

> In c8ba1639165 (parse-options: add OPT_STRING_LIST helper, 2011-06-09)
> the "list" variable was added, and later on in
> c8ba1639165 (parse-options: add OPT_STRING_LIST helper, 2011-06-09)
> the "expect" was added.
>
> The "list" variable was last touched in 2721ce21e43 (use string_list
> initializer consistently, 2016-06-13), but it was still left at the
> static scope, it's better to move it to the function for consistency.
>
> Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
> ---
>  t/helper/test-parse-options.c | 7 ++++++-
>  t/t0040-parse-options.sh      | 1 +
>  2 files changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/t/helper/test-parse-options.c b/t/helper/test-parse-options.c
> index a282b6ff13e..48d3cf6692d 100644
> --- a/t/helper/test-parse-options.c
> +++ b/t/helper/test-parse-options.c
> @@ -14,7 +14,6 @@ static int dry_run = 0, quiet = 0;
>  static char *string = NULL;
>  static char *file = NULL;
>  static int ambiguous;
> -static struct string_list list = STRING_LIST_INIT_NODUP;
>
>  static struct {
>         int called;
> @@ -107,6 +106,8 @@ int cmd__parse_options(int argc, const char **argv)
>                 NULL
>         };
>         struct string_list expect = STRING_LIST_INIT_NODUP;
> +       struct string_list list = STRING_LIST_INIT_NODUP;
> +
>         struct option options[] = {
>                 OPT_BOOL(0, "yes", &boolean, "get a boolean"),
>                 OPT_BOOL('D', "no-doubt", &boolean, "begins with 'no-'"),
> @@ -185,5 +186,9 @@ int cmd__parse_options(int argc, const char **argv)
>         for (i = 0; i < argc; i++)
>                 show(&expect, &ret, "arg %02d: %s", i, argv[i]);
>
> +       expect.strdup_strings = 1;
> +       string_list_clear(&expect, 0);
> +       string_list_clear(&list, 0);
> +
>         return ret;
>  }
> diff --git a/t/t0040-parse-options.sh b/t/t0040-parse-options.sh
> index da310ed29b1..ed422a1a616 100755
> --- a/t/t0040-parse-options.sh
> +++ b/t/t0040-parse-options.sh
> @@ -5,6 +5,7 @@
>
>  test_description='our own option parser'
>
> +TEST_PASSES_SANITIZE_LEAK=true
>  . ./test-lib.sh
>
>  cat >expect <<\EOF
> --
> 2.33.0.1441.gbbcdb4c3c66