diff options
Diffstat (limited to 'fs/jffs2/compr_rubin.h')
-rw-r--r-- | fs/jffs2/compr_rubin.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/fs/jffs2/compr_rubin.h b/fs/jffs2/compr_rubin.h new file mode 100644 index 000000000000..cf51e34f6574 --- /dev/null +++ b/fs/jffs2/compr_rubin.h | |||
@@ -0,0 +1,21 @@ | |||
1 | /* Rubin encoder/decoder header */ | ||
2 | /* work started at : aug 3, 1994 */ | ||
3 | /* last modification : aug 15, 1994 */ | ||
4 | /* $Id: compr_rubin.h,v 1.6 2002/01/25 01:49:26 dwmw2 Exp $ */ | ||
5 | |||
6 | #include "pushpull.h" | ||
7 | |||
8 | #define RUBIN_REG_SIZE 16 | ||
9 | #define UPPER_BIT_RUBIN (((long) 1)<<(RUBIN_REG_SIZE-1)) | ||
10 | #define LOWER_BITS_RUBIN ((((long) 1)<<(RUBIN_REG_SIZE-1))-1) | ||
11 | |||
12 | |||
13 | struct rubin_state { | ||
14 | unsigned long p; | ||
15 | unsigned long q; | ||
16 | unsigned long rec_q; | ||
17 | long bit_number; | ||
18 | struct pushpull pp; | ||
19 | int bit_divider; | ||
20 | int bits[8]; | ||
21 | }; | ||