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Method for Linux VFAT (virtual file allocation table) file system module to support GB18030 character set

A file system and character set technology, which is used in electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as user inconvenience, achieve the effect of convenient use and reduce system overhead

Active Publication Date: 2013-11-20
FENGHUO COMM SCI & TECH CO LTD
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Problems solved by technology

With the widespread promotion and use of Linux systems and the enforcement of GB18030 national standards, this will definitely bring great inconvenience to users

Method used

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  • Method for Linux VFAT (virtual file allocation table) file system module to support GB18030 character set
  • Method for Linux VFAT (virtual file allocation table) file system module to support GB18030 character set
  • Method for Linux VFAT (virtual file allocation table) file system module to support GB18030 character set

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Embodiment Construction

[0086] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0087] In the method that Linux VFAT file system module of the present invention supports GB18030 character set, described GB18030 character set refers to GB18030-2005 character set. The GB18030-2005 character set contains 70,244 Chinese characters, including 27,533 Chinese characters in the GB18030-2000 character set. The 70244 Chinese characters included in the GB18030-2005 character set can be found in Table 5.

[0088] Table 5 GB18030-2005 character set contains 70244 Chinese characters

[0089]

[0090] This application divides the Chinese characters contained in the GB18030-2005 character set into four tables (Table 1 to Table 4):

[0091] 1. Double-byte area, the 21003 Chinese characters in the double-byte part shown in Table 5 are divided into Table 1, which is referred to as the double-byte area for short, and the Chinese characters in the doubl...

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Abstract

The invention relates to a method for a Linux VFAT file system module to support a GB18030 character set. The GB18030 character set is referred to a GB18030-2005 character set and divided into a double-byte zone, a four-byte zone expansion A, a four-byte zone expansion B and a double-byte zone expansion A, and is characterized in that double-byte Chinese characters in the character set all adopt a table look-up manner; Chinese characters in the four-byte zone expansion A and unicode code conversion as well as Chinese characters in the four-byte zone expansion B and UTF (Ucs Transformation Format) code conversion are realized through algorithms. According to the method, system expenses caused by the support of the GB18030-2005 character set are simplified and reduced; a function realizing thought about the GB18030-2005 Chinese character set for processing multi-byte characters and wide-byte characters is provided; and a perfect Chinese character set support scheme is provided for the majority of Linux users, and the usage of the users is more convenient and rapider.

Description

technical field [0001] The invention relates to the technical field of Linux kernel supporting Chinese character sets, in particular to a method for a Linux VFAT file system module to support GB18030 character sets. The GB18030 character set refers to the GB18030-2005 character set. Background technique [0002] The national standard GB18030-2000 "Expansion of the Basic Set of Chinese Coded Characters for Information Interchange" is the most important Chinese character coding standard after GB2312-1980 and GB13000-1993 in my country, and it is one of the basic standards that computer systems in my country must follow. Currently, GB18030 has two versions: GB18030-2000 and GB18030-2005. GB18030-2000 is a replacement version of GBK. Its main feature is that the Chinese characters of CJK unified Chinese character expansion A are added on the basis of GBK. The main feature of GB18030-2005 is that the Chinese characters of CJK unified Chinese character extension B are added on t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/22
Inventor 李喜毅周转运曹祁生赵伟
Owner FENGHUO COMM SCI & TECH CO LTD
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