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[82.69.66.36]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4362972fb81sm8703681f8f.20.2026.02.06.11.11.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 06 Feb 2026 11:11:31 -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 v2 next 04/11] tools/nolibc/printf: Output pad characters in 16 byte chunks Date: Fri, 6 Feb 2026 19:11:14 +0000 Message-Id: <20260206191121.3602-5-david.laight.linux@gmail.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20260206191121.3602-1-david.laight.linux@gmail.com> References: <20260206191121.3602-1-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: 8bit From: David Laight Simple to do and saves calls to the callback function. Signed-off-by: David Laight --- Changes for v2: Formally patch 3, unchanged. 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 552f09d51d82..c044a6b3babe 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 *state, const char *fmt, va_list outstr = fmt; len = ofs - 1; flush_str: - while (width-- > len) { - if (cb(state, " ", 1) != 0) + while (width > len) { + unsigned int pad_len = ((width - len - 1) & 15) + 1; + width -= pad_len; + written += pad_len; + if (cb(state, " ", pad_len) != 0) return -1; - written += 1; } if (cb(state, outstr, len) != 0) return -1; -- 2.39.5