kc3-lang/libqrencode/rscode.h

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• Author : fukuchi
  Date : 2006-11-10 20:24:07
  Hash : 3d527fd1
  Message :

• rscode.h

• /*
   * qrencode - QR-code encoder
   *
   * Reed solomon encoder. This file is taken from Phil Karn's libfec and
   * 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 Kentaro Fukuchi
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * any later version.
   *
   * This program 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 General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License along
   * with this program; if not, write to the Free Software Foundation, Inc.,
   * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
   */
  
  #ifndef __RSCODE_H__
  #define __RSCODE_H__
  
  /*
   * General purpose RS codec, 8-bit symbols.
   */
  
  typedef struct _RS RS;
  
  /* WARNING: Thread unsafe!!! */
  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);
  
  #endif /* __RSCODE_H__ */