From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=210.171.160.6 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794228697; b=jLIPYz1Rb3ownVUj+8JJelvWW4lHGVwUN6yw2Nz3510JiJQSmfqB21q5aQ3scJTXHDah ZnmnTrYMsCQHchi5PU0UpIqp/aQXcnNlEqjmf93XK1yO9gRSq2dKwqTJlwwSxFuEF3a/w dfxFTWYecuBDrU8pVg3P+kq58EZMjE0OerXrerblBcl0pizG3MBXrljf3Js7l4WVnpkRF ZI2UuXYjVo1SF7I4l33c0Njuk5cSEFIrKL8WFxRP3cZ8AyuHnVa5urnJ+fNycznYBBmS2 HIPbHSSRyYaFmm9AeX+OJ0oeTSZR2skOp5dx2+K/CTW0XcPpuLwNqEtjgWF9XE8MjBA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794228697; h=DMARC-Filter:Received:DKIM-Signature:DKIM-Signature:Received: Received:From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: User-Agent:MIME-Version:Content-Type; bh=/LY437KZPtN8GCdeZRcIqkZYL4k+8WJoZ4+lbh1EZGY=; b=TV4Rsjx+uvJTdNG8Vwqn451QNlJ0izemuc6dNxbU6vQwNSvrSH9MXxgIp35Ls/hlsP/6 SZbpYRYEakdh6qPkcvH954qLZHUvYUNYHk00wokuueNREbI/ku1kcuaJUHjpKGUkbIOau 9QXPqD1X0aPf1s+qdJzYtmb7T1aoNw9AdBy0RxjSuRoguORTi63mLyjN3U0tueBFjuA1E nSazCN1V+lYCHjHnzHOnSiM+/okNG2RMEA1bug5698WHssgBgaxl9vmrMtEWfO8XRFIzV CdzzZJj9vetqbTEoDo1DBYl1rnbEjHhGvZ8d6zjZpNP20IJ7IquuFcg9RzUUOqxtTkQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=mail.parknet.co.jp; spf=pass smtp.mailfrom=parknet.co.jp; dkim=pass header.d=parknet.co.jp header.i=@parknet.co.jp header.a=rsa-sha256 header.s=20250114 header.b=GTSfTvf4; dkim=pass header.d=parknet.co.jp header.i=@parknet.co.jp header.a=ed25519-sha256 header.s=20250114-ed25519 header.b=ORhfHpck; arc=none smtp.remote-ip=210.171.160.6 Received: from mail.parknet.co.jp (mail.parknet.co.jp [210.171.160.6]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4890E606A321; Mon, 9 Nov 2026 12:51:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 4890E606A321 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=mail.parknet.co.jp Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=parknet.co.jp Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=parknet.co.jp header.i=@parknet.co.jp header.a=rsa-sha256 header.s=20250114 header.b=GTSfTvf4; dkim=pass header.d=parknet.co.jp header.i=@parknet.co.jp header.a=ed25519-sha256 header.s=20250114-ed25519 header.b=ORhfHpck Received: from ibmpc.myhome.or.jp (server.parknet.ne.jp [210.171.168.39]) by mail.parknet.co.jp (Postfix) with ESMTPSA id 21F8120BD28C; Mon, 9 Nov 2026 21:51:33 +0900 (JST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=parknet.co.jp; s=20250114; t=1794228693; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=/LY437KZPtN8GCdeZRcIqkZYL4k+8WJoZ4+lbh1EZGY=; b=GTSfTvf4OzIc9YIz5ImJJ+s6oVbVeu0/dSRR2PAQKVJrUdZ71D5cbcT60wr3tQeLFJ6RxV P8qBsYxVmHXDECYkLHoB/9lK5o3Sut12WG7HvgpuJ9oJezw5FtzFuenRJcwfAO/Td+/BsR di+HQH1PCPipd4wz8a3a1Z3geihr3iTP75yHODYPaz6NHWV8qWLGtZtd2dsDQNoA1Qn7AO JUXN0HjiBo0y68NGof8i4bRZGOila36jtkmI4zTLLVr7SQ+2UJWDomv4yQgsslNwnYxnNd mwx5ivLy+ibBsW/P63OyCfCPomASNcjoQpi1AJd6YPws1okn3yqqFYE4JYIZ/A== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=parknet.co.jp; s=20250114-ed25519; t=1794228693; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=/LY437KZPtN8GCdeZRcIqkZYL4k+8WJoZ4+lbh1EZGY=; b=ORhfHpcke5QuRfAUjpdltOL4S2JV/8r33tDssWoWj3T3MAVVp48+WENZI7O3i2I2j7t59v plwCS7s+qmuH87BQ== Received: from devron.myhome.or.jp (devron.myhome.or.jp [192.168.0.3]) by ibmpc.myhome.or.jp (Postfix) with ESMTPS id 5B763E000E8; Mon, 09 Nov 2026 21:51:32 +0900 (JST) Received: by devron.myhome.or.jp (Postfix, from userid 1000) id 518F0220011C; Mon, 09 Nov 2026 21:51:32 +0900 (JST) From: OGAWA Hirofumi To: Fuad Tabba Cc: brauner@kernel.org, viro@zeniv.linux.org.uk, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/2] fs/nls: Add codepage 720 (Arabic) In-Reply-To: <20261108200141.383158-2-fuad.tabba@linux.dev> References: <20261108200141.383158-1-fuad.tabba@linux.dev> <20261108200141.383158-2-fuad.tabba@linux.dev> Date: Mon, 09 Nov 2026 21:51:32 +0900 Message-ID: <87ld72f9rf.fsf@mail.parknet.co.jp> User-Agent: Gnus/5.13 (Gnus v5.13) X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain Fuad Tabba writes: > FAT stores short names in the OEM code page of the system that wrote > them, and the OEM code page of Arabic Windows is 720. The kernel's only > DOS code page for Arabic is cp864, so mounting such a volume with > codepage=720 fails with "codepage cp720 not found". > > Add nls_cp720 behind NLS_CODEPAGE_720, with tables generated by a > script from Microsoft's code page 720 table, as ICU's windows-720-2000 > mapping carries it. That table maps 0x80, 0x81, 0x84, 0x86 and > 0x8d-0x90 to C1 controls, and those eight bytes are left unassigned, as > ICU's ibm-720 mapping leaves them. > > Signed-off-by: Fuad Tabba Looks good. However, maybe no maintainer in this area, so I'm not sure who handle... Thanks. > --- > fs/nls/Kconfig | 18 ++- > fs/nls/Makefile | 1 + > fs/nls/nls_cp720.c | 335 +++++++++++++++++++++++++++++++++++++++++++++ > 3 files changed, 351 insertions(+), 3 deletions(-) > create mode 100644 fs/nls/nls_cp720.c > > diff --git a/fs/nls/Kconfig b/fs/nls/Kconfig > index 2a601af6f3bd5..a19ef628f779e 100644 > --- a/fs/nls/Kconfig > +++ b/fs/nls/Kconfig > @@ -26,9 +26,9 @@ config NLS_DEFAULT > the NLS used by your console, not the NLS used by a specific file > system (if different) to store data (filenames) on a disk. > Currently, the valid values are: > - big5, cp437, cp737, cp775, cp850, cp852, cp855, cp857, cp860, cp861, > - cp862, cp863, cp864, cp865, cp866, cp869, cp874, cp932, cp936, > - cp949, cp950, cp1251, cp1255, euc-jp, euc-kr, gb2312, iso8859-1, > + big5, cp437, cp720, cp737, cp775, cp850, cp852, cp855, cp857, cp860, > + cp861, cp862, cp863, cp864, cp865, cp866, cp869, cp874, cp932, > + cp936, cp949, cp950, cp1251, cp1255, euc-jp, euc-kr, gb2312, iso8859-1, > iso8859-2, iso8859-3, iso8859-4, iso8859-5, iso8859-6, iso8859-7, > iso8859-8, iso8859-9, iso8859-13, iso8859-14, iso8859-15, > koi8-r, koi8-ru, koi8-u, sjis, tis-620, macroman, utf8. > @@ -49,6 +49,18 @@ config NLS_CODEPAGE_437 > say Y here if you want to include the DOS codepage that is used in > the United States and parts of Canada. This is recommended. > > +config NLS_CODEPAGE_720 > + tristate "Codepage 720 (Arabic)" > + help > + The Microsoft FAT file system family can deal with filenames in > + native language character sets. These character sets are stored in > + so-called DOS codepages. You need to include the appropriate > + codepage if you want to be able to read/write these filenames on > + DOS/Windows partitions correctly. This does apply to the filenames > + only, not to the file contents. You can include several codepages; > + say Y here if you want to include the DOS codepage for Arabic used > + by Windows (OEM 720). If unsure, say N. > + > config NLS_CODEPAGE_737 > tristate "Codepage 737 (Greek)" > help > diff --git a/fs/nls/Makefile b/fs/nls/Makefile > index 5062c699d0411..2a9a847083592 100644 > --- a/fs/nls/Makefile > +++ b/fs/nls/Makefile > @@ -6,6 +6,7 @@ > obj-$(CONFIG_NLS) += nls_base.o > > obj-$(CONFIG_NLS_CODEPAGE_437) += nls_cp437.o > +obj-$(CONFIG_NLS_CODEPAGE_720) += nls_cp720.o > obj-$(CONFIG_NLS_CODEPAGE_737) += nls_cp737.o > obj-$(CONFIG_NLS_CODEPAGE_775) += nls_cp775.o > obj-$(CONFIG_NLS_CODEPAGE_850) += nls_cp850.o > diff --git a/fs/nls/nls_cp720.c b/fs/nls/nls_cp720.c > new file mode 100644 > index 0000000000000..bb57c61792d5f > --- /dev/null > +++ b/fs/nls/nls_cp720.c > @@ -0,0 +1,335 @@ > +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause > +/* > + * Charset cp720 translation tables. > + * Generated from Microsoft's code page 720 table (ICU windows-720-2000), > + * with the eight bytes it maps to C1 controls left unassigned. > + * The Unicode to charset table has only exact mappings. > + */ > + > +#include > +#include > +#include > +#include > +#include > + > +static const wchar_t charset2uni[256] = { > + /* 0x00*/ > + 0x0000, 0x0001, 0x0002, 0x0003, > + 0x0004, 0x0005, 0x0006, 0x0007, > + 0x0008, 0x0009, 0x000a, 0x000b, > + 0x000c, 0x000d, 0x000e, 0x000f, > + /* 0x10*/ > + 0x0010, 0x0011, 0x0012, 0x0013, > + 0x0014, 0x0015, 0x0016, 0x0017, > + 0x0018, 0x0019, 0x001a, 0x001b, > + 0x001c, 0x001d, 0x001e, 0x001f, > + /* 0x20*/ > + 0x0020, 0x0021, 0x0022, 0x0023, > + 0x0024, 0x0025, 0x0026, 0x0027, > + 0x0028, 0x0029, 0x002a, 0x002b, > + 0x002c, 0x002d, 0x002e, 0x002f, > + /* 0x30*/ > + 0x0030, 0x0031, 0x0032, 0x0033, > + 0x0034, 0x0035, 0x0036, 0x0037, > + 0x0038, 0x0039, 0x003a, 0x003b, > + 0x003c, 0x003d, 0x003e, 0x003f, > + /* 0x40*/ > + 0x0040, 0x0041, 0x0042, 0x0043, > + 0x0044, 0x0045, 0x0046, 0x0047, > + 0x0048, 0x0049, 0x004a, 0x004b, > + 0x004c, 0x004d, 0x004e, 0x004f, > + /* 0x50*/ > + 0x0050, 0x0051, 0x0052, 0x0053, > + 0x0054, 0x0055, 0x0056, 0x0057, > + 0x0058, 0x0059, 0x005a, 0x005b, > + 0x005c, 0x005d, 0x005e, 0x005f, > + /* 0x60*/ > + 0x0060, 0x0061, 0x0062, 0x0063, > + 0x0064, 0x0065, 0x0066, 0x0067, > + 0x0068, 0x0069, 0x006a, 0x006b, > + 0x006c, 0x006d, 0x006e, 0x006f, > + /* 0x70*/ > + 0x0070, 0x0071, 0x0072, 0x0073, > + 0x0074, 0x0075, 0x0076, 0x0077, > + 0x0078, 0x0079, 0x007a, 0x007b, > + 0x007c, 0x007d, 0x007e, 0x007f, > + /* 0x80*/ > + 0x0000, 0x0000, 0x00e9, 0x00e2, > + 0x0000, 0x00e0, 0x0000, 0x00e7, > + 0x00ea, 0x00eb, 0x00e8, 0x00ef, > + 0x00ee, 0x0000, 0x0000, 0x0000, > + /* 0x90*/ > + 0x0000, 0x0651, 0x0652, 0x00f4, > + 0x00a4, 0x0640, 0x00fb, 0x00f9, > + 0x0621, 0x0622, 0x0623, 0x0624, > + 0x00a3, 0x0625, 0x0626, 0x0627, > + /* 0xa0*/ > + 0x0628, 0x0629, 0x062a, 0x062b, > + 0x062c, 0x062d, 0x062e, 0x062f, > + 0x0630, 0x0631, 0x0632, 0x0633, > + 0x0634, 0x0635, 0x00ab, 0x00bb, > + /* 0xb0*/ > + 0x2591, 0x2592, 0x2593, 0x2502, > + 0x2524, 0x2561, 0x2562, 0x2556, > + 0x2555, 0x2563, 0x2551, 0x2557, > + 0x255d, 0x255c, 0x255b, 0x2510, > + /* 0xc0*/ > + 0x2514, 0x2534, 0x252c, 0x251c, > + 0x2500, 0x253c, 0x255e, 0x255f, > + 0x255a, 0x2554, 0x2569, 0x2566, > + 0x2560, 0x2550, 0x256c, 0x2567, > + /* 0xd0*/ > + 0x2568, 0x2564, 0x2565, 0x2559, > + 0x2558, 0x2552, 0x2553, 0x256b, > + 0x256a, 0x2518, 0x250c, 0x2588, > + 0x2584, 0x258c, 0x2590, 0x2580, > + /* 0xe0*/ > + 0x0636, 0x0637, 0x0638, 0x0639, > + 0x063a, 0x0641, 0x00b5, 0x0642, > + 0x0643, 0x0644, 0x0645, 0x0646, > + 0x0647, 0x0648, 0x0649, 0x064a, > + /* 0xf0*/ > + 0x2261, 0x064b, 0x064c, 0x064d, > + 0x064e, 0x064f, 0x0650, 0x2248, > + 0x00b0, 0x2219, 0x00b7, 0x221a, > + 0x207f, 0x00b2, 0x25a0, 0x00a0, > +}; > + > +static const unsigned char page00[256] = { > + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ > + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ > + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ > + 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, /* 0x18-0x1f */ > + 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20-0x27 */ > + 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x28-0x2f */ > + 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30-0x37 */ > + 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, /* 0x38-0x3f */ > + 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40-0x47 */ > + 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x48-0x4f */ > + 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50-0x57 */ > + 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, /* 0x58-0x5f */ > + 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x60-0x67 */ > + 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, /* 0x68-0x6f */ > + 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x70-0x77 */ > + 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */ > + > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x80-0x87 */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x98-0x9f */ > + 0xff, 0x00, 0x00, 0x9c, 0x94, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */ > + 0x00, 0x00, 0x00, 0xae, 0x00, 0x00, 0x00, 0x00, /* 0xa8-0xaf */ > + 0xf8, 0x00, 0xfd, 0x00, 0x00, 0xe6, 0x00, 0xfa, /* 0xb0-0xb7 */ > + 0x00, 0x00, 0x00, 0xaf, 0x00, 0x00, 0x00, 0x00, /* 0xb8-0xbf */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc0-0xc7 */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc8-0xcf */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xd0-0xd7 */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xd8-0xdf */ > + 0x85, 0x00, 0x83, 0x00, 0x00, 0x00, 0x00, 0x87, /* 0xe0-0xe7 */ > + 0x8a, 0x82, 0x88, 0x89, 0x00, 0x00, 0x8c, 0x8b, /* 0xe8-0xef */ > + 0x00, 0x00, 0x00, 0x00, 0x93, 0x00, 0x00, 0x00, /* 0xf0-0xf7 */ > + 0x00, 0x97, 0x00, 0x96, 0x00, 0x00, 0x00, 0x00, /* 0xf8-0xff */ > +}; > + > +static const unsigned char page06[256] = { > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x18-0x1f */ > + 0x00, 0x98, 0x99, 0x9a, 0x9b, 0x9d, 0x9e, 0x9f, /* 0x20-0x27 */ > + 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, /* 0x28-0x2f */ > + 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xe0, 0xe1, /* 0x30-0x37 */ > + 0xe2, 0xe3, 0xe4, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */ > + 0x95, 0xe5, 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec, /* 0x40-0x47 */ > + 0xed, 0xee, 0xef, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, /* 0x48-0x4f */ > + 0xf6, 0x91, 0x92, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */ > +}; > + > +static const unsigned char page20[256] = { > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x18-0x1f */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x58-0x5f */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, /* 0x78-0x7f */ > +}; > + > +static const unsigned char page22[256] = { > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ > + 0x00, 0xf9, 0xfb, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x18-0x1f */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */ > + 0xf7, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x58-0x5f */ > + 0x00, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */ > +}; > + > +static const unsigned char page25[256] = { > + 0xc4, 0x00, 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ > + 0x00, 0x00, 0x00, 0x00, 0xda, 0x00, 0x00, 0x00, /* 0x08-0x0f */ > + 0xbf, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, /* 0x10-0x17 */ > + 0xd9, 0x00, 0x00, 0x00, 0xc3, 0x00, 0x00, 0x00, /* 0x18-0x1f */ > + 0x00, 0x00, 0x00, 0x00, 0xb4, 0x00, 0x00, 0x00, /* 0x20-0x27 */ > + 0x00, 0x00, 0x00, 0x00, 0xc2, 0x00, 0x00, 0x00, /* 0x28-0x2f */ > + 0x00, 0x00, 0x00, 0x00, 0xc1, 0x00, 0x00, 0x00, /* 0x30-0x37 */ > + 0x00, 0x00, 0x00, 0x00, 0xc5, 0x00, 0x00, 0x00, /* 0x38-0x3f */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */ > + 0xcd, 0xba, 0xd5, 0xd6, 0xc9, 0xb8, 0xb7, 0xbb, /* 0x50-0x57 */ > + 0xd4, 0xd3, 0xc8, 0xbe, 0xbd, 0xbc, 0xc6, 0xc7, /* 0x58-0x5f */ > + 0xcc, 0xb5, 0xb6, 0xb9, 0xd1, 0xd2, 0xcb, 0xcf, /* 0x60-0x67 */ > + 0xd0, 0xca, 0xd8, 0xd7, 0xce, 0x00, 0x00, 0x00, /* 0x68-0x6f */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x78-0x7f */ > + > + 0xdf, 0x00, 0x00, 0x00, 0xdc, 0x00, 0x00, 0x00, /* 0x80-0x87 */ > + 0xdb, 0x00, 0x00, 0x00, 0xdd, 0x00, 0x00, 0x00, /* 0x88-0x8f */ > + 0xde, 0xb0, 0xb1, 0xb2, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */ > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x98-0x9f */ > + 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */ > +}; > + > +static const unsigned char *const page_uni2charset[256] = { > + page00, NULL, NULL, NULL, NULL, NULL, page06, NULL, > + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, > + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, > + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, > + page20, NULL, page22, NULL, NULL, page25, NULL, NULL, > +}; > + > +static const unsigned char charset2lower[256] = { > + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ > + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ > + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ > + 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, /* 0x18-0x1f */ > + 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20-0x27 */ > + 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x28-0x2f */ > + 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30-0x37 */ > + 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, /* 0x38-0x3f */ > + 0x40, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x40-0x47 */ > + 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, /* 0x48-0x4f */ > + 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x50-0x57 */ > + 0x78, 0x79, 0x7a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, /* 0x58-0x5f */ > + 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x60-0x67 */ > + 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, /* 0x68-0x6f */ > + 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x70-0x77 */ > + 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */ > + > + 0x00, 0x00, 0x82, 0x83, 0x00, 0x85, 0x00, 0x87, /* 0x80-0x87 */ > + 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x00, 0x00, 0x00, /* 0x88-0x8f */ > + 0x00, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, /* 0x90-0x97 */ > + 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, /* 0x98-0x9f */ > + 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, /* 0xa0-0xa7 */ > + 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, /* 0xa8-0xaf */ > + 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0xb0-0xb7 */ > + 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, /* 0xb8-0xbf */ > + 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0xc0-0xc7 */ > + 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0xc8-0xcf */ > + 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0xd0-0xd7 */ > + 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, /* 0xd8-0xdf */ > + 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0xe0-0xe7 */ > + 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0xe8-0xef */ > + 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xf0-0xf7 */ > + 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ > +}; > + > +static const unsigned char charset2upper[256] = { > + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ > + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ > + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ > + 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, /* 0x18-0x1f */ > + 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20-0x27 */ > + 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x28-0x2f */ > + 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30-0x37 */ > + 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, /* 0x38-0x3f */ > + 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40-0x47 */ > + 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x48-0x4f */ > + 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50-0x57 */ > + 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, /* 0x58-0x5f */ > + 0x60, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x60-0x67 */ > + 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x68-0x6f */ > + 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x70-0x77 */ > + 0x58, 0x59, 0x5a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */ > + > + 0x00, 0x00, 0x82, 0x83, 0x00, 0x85, 0x00, 0x87, /* 0x80-0x87 */ > + 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x00, 0x00, 0x00, /* 0x88-0x8f */ > + 0x00, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, /* 0x90-0x97 */ > + 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, /* 0x98-0x9f */ > + 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, /* 0xa0-0xa7 */ > + 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, /* 0xa8-0xaf */ > + 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0xb0-0xb7 */ > + 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, /* 0xb8-0xbf */ > + 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0xc0-0xc7 */ > + 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0xc8-0xcf */ > + 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0xd0-0xd7 */ > + 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, /* 0xd8-0xdf */ > + 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0xe0-0xe7 */ > + 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0xe8-0xef */ > + 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xf0-0xf7 */ > + 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ > +}; > + > +static int uni2char(wchar_t uni, unsigned char *out, int boundlen) > +{ > + const unsigned char *uni2charset; > + unsigned char cl = uni & 0x00ff; > + unsigned char ch = (uni & 0xff00) >> 8; > + > + if (boundlen <= 0) > + return -ENAMETOOLONG; > + > + uni2charset = page_uni2charset[ch]; > + if (uni2charset && uni2charset[cl]) > + out[0] = uni2charset[cl]; > + else > + return -EINVAL; > + return 1; > +} > + > +static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni) > +{ > + *uni = charset2uni[*rawstring]; > + if (*uni == 0x0000) > + return -EINVAL; > + return 1; > +} > + > +static struct nls_table table = { > + .charset = "cp720", > + .uni2char = uni2char, > + .char2uni = char2uni, > + .charset2lower = charset2lower, > + .charset2upper = charset2upper, > +}; > + > +static int __init init_nls_cp720(void) > +{ > + return register_nls(&table); > +} > + > +static void __exit exit_nls_cp720(void) > +{ > + unregister_nls(&table); > +} > + > +module_init(init_nls_cp720) > +module_exit(exit_nls_cp720) > + > +MODULE_DESCRIPTION("NLS Codepage 720 (Arabic)"); > +MODULE_LICENSE("Dual BSD/GPL"); -- OGAWA Hirofumi