On Wed, Oct 21, 2015 at 5:30 AM, Rasmus Villemoes
<li...@rasmusvillemoes.dk> wrote:
> Cc: Kees Cook <keesc...@chromium.org>
> Signed-off-by: Rasmus Villemoes <li...@rasmusvillemoes.dk>
I would expect at least a short commit message, with something like
"check string width truncation", but otherwise, I like it. :)
Acked-by: Kees Cook <keesc...@chromium.org>
-Kees
> ---
> lib/test_printf.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/lib/test_printf.c b/lib/test_printf.c
> index 1ce1a1dd8faf..80ddafb2675d 100644
> --- a/lib/test_printf.c
> +++ b/lib/test_printf.c
> @@ -166,6 +166,10 @@ test_string(void)
> test("", "%s%.0s", "", "123");
> test("ABCD|abc|123", "%s|%.3s|%.*s", "ABCD", "abcdef", 3, "123456");
> test("1 | 2|3 | 4|5 ", "%-3s|%3s|%-*s|%*s|%*s", "1", "2", 3,
> "3", 3, "4", -3, "5");
> + test("1234 ", "%-10.4s", "123456");
> + test(" 1234", "%10.4s", "123456");
> + /* Negative precision should be treated as 0. */
> + test(" ", "%4.*s", -5, "123456");
> /*
> * POSIX and C99 say that a missing precision should be
> * treated as a precision of 0. However, the kernel's printf
> --
> 2.6.1
>
--
Kees Cook
Chrome OS Security
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