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Re: [Qemu-devel] [PATCH v2 3/4] qtest: Avoid passing raw strings through
From: |
Markus Armbruster |
Subject: |
Re: [Qemu-devel] [PATCH v2 3/4] qtest: Avoid passing raw strings through hmp() |
Date: |
Fri, 21 Jul 2017 15:50:55 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux) |
Eric Blake <address@hidden> writes:
> The next patch will add __attribute__((__format__)) to hmp(), which
It did in v1, but no more. Intentional?
> in turn causes gcc to warn about non-literal format strings. Rather
> than risk an arbitrary string containing % being mis-handled, always
> pass variable strings along with a %s format. It also makes it
> easier to prove correctness locally, rather than auditing all the
> source strings.
>
> Signed-off-by: Eric Blake <address@hidden>
> Reviewed-by: Markus Armbruster <address@hidden>
> ---
> tests/test-hmp.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/tests/test-hmp.c b/tests/test-hmp.c
> index d77b3c8710..0af066487c 100644
> --- a/tests/test-hmp.c
> +++ b/tests/test-hmp.c
> @@ -80,7 +80,7 @@ static void test_commands(void)
> if (verbose) {
> fprintf(stderr, "\t%s\n", hmp_cmds[i]);
> }
> - response = hmp(hmp_cmds[i]);
> + response = hmp("%s", hmp_cmds[i]);
> g_free(response);
> }
>
> @@ -103,7 +103,7 @@ static void test_info_commands(void)
> if (verbose) {
> fprintf(stderr, "\t%s\n", info);
> }
> - resp = hmp(info);
> + resp = hmp("%s", info);
> g_free(resp);
> /* And move forward to the next line */
> info = strchr(endp + 1, '\n');