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[174.21.72.5]) by smtp.gmail.com with ESMTPSA id e5-20020a17090301c500b001e556734814sm2206099plh.134.2024.04.12.00.33.51 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Apr 2024 00:33:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1712907231; x=1713512031; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=rvakkgiyK54UTlLULBlH8+XzGitioxqA6YEQltyd0/U=; b=hKhneatP3JxefFbpSjx+2RsvWTzNmgAROrGwt10PAYaGUGnMYQqWju2IjtD9lhLw3G 3cDQz/YzF6IzIA8A0R9etF06dNM9pgKspsuTBfWNaaM1KydQN9NlpqtmDzDb0CZ8mqAn U76MfmrFD+Ap72LpiwR+B/cbzmO2PHW8IokQ/IgPZvCf1RaaaOzYoRlb2dOXKA1iizyu BBlcChnOFfg8nB5yBMSmJnXyHZxWhyHW1w1OoxXxmjbqWc9hxNzgqN9Y1b25WvUUmCyB 7lLm9SKdutRX8ZmHrw7FiSmo019YHbAnbauSkIiUsOiL7LZbYZjDVBAn4bZWx0UmrxoI jXIg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1712907231; x=1713512031; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=rvakkgiyK54UTlLULBlH8+XzGitioxqA6YEQltyd0/U=; b=of0EQwyglxxM+qxmUejj1hXznes6C+R7D+0lJZ2GtRN0dNZAonisC5zuLwphzyO4zN vXSwah4VW2k4+BVQojV1Ffrvyi9Lg6XhqHbjPims897OK3AAcF8qNWMOeP4R8gnOJjfX w5wbEsoqub2sVxPZO4y4ELtan6lLydB2Ggv6RvuO4Zw6dDA8zb38qMAew8e5aK5hnUBS A1U+2xuJ+1MUMX2OyRClLscLX3SOIb3RK4bZDqTD6q94bqcqeBxXvF0S3Ub+RaQ4BuNj a4AaZD/+uQ4zzpjCBO2ISX6XodlPuFKfEfMhUOjV5UFYKcytVmy8YXmxNcDFvavUrxct Wbew== X-Gm-Message-State: AOJu0YyZodsSI2NWI/H6qC/YsFp+0KH0WpxAHPykF5m9WwMDOFEMzVz4 7HcinVxXdV8+eSi8zLMmZJbPrIJblIGBtP1QPJRUO4F1wBw6CTiJt5owH9s6FEj805sYoW9oY5s i X-Google-Smtp-Source: AGHT+IGb66LroTK49OZTU7Mt0yOPDcjzDGRZNIr4HEmn0XXOQl9Lzcvpin+8kCao63rM1+deY7WWxw== X-Received: by 2002:a17:902:6f16:b0:1e5:3c5:55a5 with SMTP id w22-20020a1709026f1600b001e503c555a5mr1557546plk.8.1712907231562; Fri, 12 Apr 2024 00:33:51 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v3 05/27] util/hexdump: Inline g_string_append_printf "%02x" Date: Fri, 12 Apr 2024 00:33:24 -0700 Message-Id: <20240412073346.458116-6-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240412073346.458116-1-richard.henderson@linaro.org> References: <20240412073346.458116-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::635; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x635.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1712907465210100002 Content-Type: text/plain; charset="utf-8" Trivial arithmetic can be used for emitting the nibbles, rather than full-blown printf formatting. Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- util/hexdump.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/util/hexdump.c b/util/hexdump.c index b29326b7f2..ae0d4992dc 100644 --- a/util/hexdump.c +++ b/util/hexdump.c @@ -16,6 +16,11 @@ #include "qemu/osdep.h" #include "qemu/cutils.h" =20 +static inline char hexdump_nibble(unsigned x) +{ + return (x < 10 ? '0' : 'a' - 10) + x; +} + GString *qemu_hexdump_line(GString *str, const void *vbuf, size_t len, size_t unit_len, size_t block_len) { @@ -35,6 +40,8 @@ GString *qemu_hexdump_line(GString *str, const void *vbuf= , size_t len, } =20 for (u =3D 0, b =3D 0; len; u++, b++, len--, buf++) { + uint8_t c; + if (unit_len && u =3D=3D unit_len) { g_string_append_c(str, ' '); u =3D 0; @@ -43,7 +50,10 @@ GString *qemu_hexdump_line(GString *str, const void *vbu= f, size_t len, g_string_append_c(str, ' '); b =3D 0; } - g_string_append_printf(str, "%02x", *buf); + + c =3D *buf; + g_string_append_c(str, hexdump_nibble(c / 16)); + g_string_append_c(str, hexdump_nibble(c % 16)); } =20 return str; --=20 2.34.1