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[82.69.66.36]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-435e10edf62sm55940729f8f.13.2026.02.03.02.30.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Feb 2026 02:30:11 -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 next 03/12] tools/nolibc/printf: output pad spaces in 16 byte chunks Date: Tue, 3 Feb 2026 10:29:51 +0000 Message-Id: <20260203103000.20206-4-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 Simple to do and saves calls to the callback function. Signed-off-by: David Laight --- tools/include/nolibc/stdio.h | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/tools/include/nolibc/stdio.h b/tools/include/nolibc/stdio.h index 985e10d747db..52cb516ea3db 100644 --- a/tools/include/nolibc/stdio.h +++ b/tools/include/nolibc/stdio.h @@ -355,10 +355,12 @@ int __nolibc_printf(__nolibc_printf_cb cb, void *stat= e, const char *fmt, va_list outstr =3D fmt; len =3D ofs - 1; flush_str: - while (width-- > len) { - if (cb(state, " ", 1) !=3D 0) + while (width > len) { + unsigned int pad_len =3D ((width - len - 1) & 15) + 1; + width -=3D pad_len; + written +=3D pad_len; + if (cb(state, " ", pad_len) !=3D 0) return -1; - written +=3D 1; } if (cb(state, outstr, len) !=3D 0) return -1; --=20 2.39.5