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[82.69.66.36]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-435e10edf62sm55940729f8f.13.2026.02.03.02.30.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Feb 2026 02:30:15 -0800 (PST) From: david.laight.linux@gmail.com To: Willy Tarreau , =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= , linux-kernel@vger.kernel.org, Cheng Li Cc: David Laight Subject: [PATCH 12/12] selftests/nolibc: Use printf("%.*s", n, "") to align output Date: Tue, 3 Feb 2026 10:30:00 +0000 Message-Id: <20260203103000.20206-13-david.laight.linux@gmail.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20260203103000.20206-1-david.laight.linux@gmail.com> References: <20260203103000.20206-1-david.laight.linux@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: David Laight Now that printf supports '*' for field widths it can be used to align the "[OK]" strings in the output. Signed-off-by: David Laight --- tools/testing/selftests/nolibc/nolibc-test.c | 21 ++++---------------- 1 file changed, 4 insertions(+), 17 deletions(-) diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/s= elftests/nolibc/nolibc-test.c index bf92b9046175..1b0cfd77145a 100644 --- a/tools/testing/selftests/nolibc/nolibc-test.c +++ b/tools/testing/selftests/nolibc/nolibc-test.c @@ -141,21 +141,6 @@ static const char *errorname(int err) } } =20 -static void align_result(size_t llen) -{ - const size_t align =3D 64; - char buf[align]; - size_t n; - - if (llen >=3D align) - return; - - n =3D align - llen; - memset(buf, ' ', n); - buf[n] =3D '\0'; - fputs(buf, stdout); -} - enum RESULT { OK, FAIL, @@ -173,8 +158,10 @@ static void result(int llen, enum RESULT r) else msg =3D " [FAIL]"; =20 - align_result(llen); - puts(msg); + llen =3D 64 - llen; + if (llen < 0) + llen =3D 0; + printf("%*s%s\n", llen, "", msg); } =20 /* The tests below are intended to be used by the macroes, which evaluate --=20 2.39.5