diff options
Diffstat (limited to 'libFLAC/include/private/crc.h')
| -rw-r--r-- | libFLAC/include/private/crc.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/libFLAC/include/private/crc.h b/libFLAC/include/private/crc.h index 0b67fb4..29c512c 100644 --- a/libFLAC/include/private/crc.h +++ b/libFLAC/include/private/crc.h @@ -1,5 +1,6 @@ /* libFLAC - Free Lossless Audio Codec library - * Copyright (C) 2000,2001,2002,2003,2004,2005,2006,2007 Josh Coalson + * Copyright (C) 2000-2009 Josh Coalson + * Copyright (C) 2011-2014 Xiph.Org Foundation * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -48,9 +49,9 @@ FLAC__uint8 FLAC__crc8(const FLAC__byte *data, unsigned len); ** polynomial = x^16 + x^15 + x^2 + x^0 ** init = 0 */ -extern unsigned FLAC__crc16_table[256]; +extern unsigned const FLAC__crc16_table[256]; -#define FLAC__CRC16_UPDATE(data, crc) (((((crc)<<8) & 0xffff) ^ FLAC__crc16_table[((crc)>>8) ^ (data)])) +#define FLAC__CRC16_UPDATE(data, crc) ((((crc)<<8) & 0xffff) ^ FLAC__crc16_table[((crc)>>8) ^ (data)]) /* this alternate may be faster on some systems/compilers */ #if 0 #define FLAC__CRC16_UPDATE(data, crc) ((((crc)<<8) ^ FLAC__crc16_table[((crc)>>8) ^ (data)]) & 0xffff) |