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