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kc3-lang/libqrencode/rscode.h

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  • Author : fukuchi
    Date : 2009-11-06 04:48:44
    Hash : e39cbc97
    Message : free_rs_cache() now becomes thread safe.

  • rscode.h
  • /*
     * qrencode - QR Code encoder
     *
     * Reed solomon encoder. This code is taken from Phil Karn's libfec then
     * editted and packed into a pair of .c and .h files.
     *
     * Copyright (C) 2002, 2003, 2004, 2006 Phil Karn, KA9Q
     * (libfec is released under the GNU Lesser General Public License.)
     *
     * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>
     *
     * This library is free software; you can redistribute it and/or
     * modify it under the terms of the GNU Lesser General Public
     * License as published by the Free Software Foundation; either
     * version 2.1 of the License, or any later version.
     *
     * This library is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
     * Lesser General Public License for more details.
     *
     * You should have received a copy of the GNU Lesser General Public
     * License along with this library; if not, write to the Free Software
     * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
     */
    
    #ifndef __RSCODE_H__
    #define __RSCODE_H__
    
    /*
     * General purpose RS codec, 8-bit symbols.
     */
    
    typedef struct _RS RS;
    
    extern RS *init_rs(int symsize, int gfpoly, int fcr, int prim, int nroots, int pad);
    extern void encode_rs_char(RS *rs, const unsigned char *data, unsigned char *parity);
    extern void free_rs_char(RS *rs);
    extern void free_rs_cache(void);
    
    #endif /* __RSCODE_H__ */