From patchwork Thu Jan 18 07:57:22 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Jiri Slaby \(SUSE\)" X-Patchwork-Id: 763875 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BDEE924B36; Thu, 18 Jan 2024 07:58:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705564703; cv=none; b=LqUx7IhPAA3/lcxSceqEKKZmTeT1aSuyf8Db6Cw+do9VxHCMJL9aYgxWgKYWAMqm0PsLtBvPP5wVVNSHMtmJPzjOeq565XhB5OdmikaUBw7xddxoJva0uX84/T0FFbD+IrPXXQMZigmvw9+RofZj7vXT19nkN3RbBgw1h5bj4n0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705564703; c=relaxed/simple; bh=inEZdPNYb4mBWCDk6mN9TwUiu3T0fjhmaqQyXC/6bwA=; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID: X-Mailer:In-Reply-To:References:MIME-Version: Content-Transfer-Encoding; b=q8i94Izr926xTBi+iYl956VX2tlCrpjkdqNxxaopJmFrOki8RBUHXe6+OtalKN348WDlcSLYZZk+WqYfPlwLWGBvaWPHU5Hdtip+ZL0LVyXhiV6i7AUD5YBm0QbU1KWPZtibTIXjC4+3JuUmYsvh24CSJuy+Hg2GFXy9rJ+tliI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=RUcyj+aZ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="RUcyj+aZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 66358C43399; Thu, 18 Jan 2024 07:58:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1705564703; bh=inEZdPNYb4mBWCDk6mN9TwUiu3T0fjhmaqQyXC/6bwA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RUcyj+aZugJbjQqqpmDfarOXYhfqXPPLZOTIKDk1c4kC4a09L67sHqpZHzUozJT7D TY1LAcOSAe8aH8SkMyVhWLlvOpeGi79OqJkpKi+qKukDLoM0bpd+EbZ90YzeBvHjYJ jB3Eitw65/6GfDO2PstZ+2WSYL5QfYx9UuCfEPxSJVdXXn872Z2PW4L3wE0TxlnHeS ysFf7oiFDiuXJP4CPzB7FiWb1Xk0PCu/DbdaYdmTFyyAQh4tYb3V1fnatervM+VYJf 6THLq4fdSstdzhKqbILjZVBCrf9eorAv0eo3D1u09vR4qlKTgdk8xdQXRVJEKtQPdS fFbwrqbQJyFNA== From: "Jiri Slaby (SUSE)" To: gregkh@linuxfoundation.org Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, "Jiri Slaby (SUSE)" Subject: [PATCH 11/45] tty: vt: define an enum for CSI+J codes Date: Thu, 18 Jan 2024 08:57:22 +0100 Message-ID: <20240118075756.10541-12-jirislaby@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240118075756.10541-1-jirislaby@kernel.org> References: <20240118075756.10541-1-jirislaby@kernel.org> Precedence: bulk X-Mailing-List: linux-serial@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Decrypt the constant values by proper enum names. This time in csi_J(). Signed-off-by: Jiri Slaby (SUSE) --- drivers/tty/vt/vt.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index 66ebc90a9fe9..4f7831f81db6 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -1498,13 +1498,20 @@ static inline void del(struct vc_data *vc) /* ignored */ } +enum { + CSI_J_CURSOR_TO_END = 0, + CSI_J_START_TO_CURSOR = 1, + CSI_J_VISIBLE = 2, + CSI_J_FULL = 3, +}; + static void csi_J(struct vc_data *vc, int vpar) { unsigned int count; unsigned short * start; switch (vpar) { - case 0: /* erase from cursor to end of display */ + case CSI_J_CURSOR_TO_END: vc_uniscr_clear_line(vc, vc->state.x, vc->vc_cols - vc->state.x); vc_uniscr_clear_lines(vc, vc->state.y + 1, @@ -1512,16 +1519,16 @@ static void csi_J(struct vc_data *vc, int vpar) count = (vc->vc_scr_end - vc->vc_pos) >> 1; start = (unsigned short *)vc->vc_pos; break; - case 1: /* erase from start to cursor */ + case CSI_J_START_TO_CURSOR: vc_uniscr_clear_line(vc, 0, vc->state.x + 1); vc_uniscr_clear_lines(vc, 0, vc->state.y); count = ((vc->vc_pos - vc->vc_origin) >> 1) + 1; start = (unsigned short *)vc->vc_origin; break; - case 3: /* include scrollback */ + case CSI_J_FULL: flush_scrollback(vc); fallthrough; - case 2: /* erase whole display */ + case CSI_J_VISIBLE: vc_uniscr_clear_lines(vc, 0, vc->vc_rows); count = vc->vc_cols * vc->vc_rows; start = (unsigned short *)vc->vc_origin;