patch-2.4.10 linux/fs/jffs2/compr_rubin.h

• Lines: 29
• Date: Fri Sep 14 14:04:07 2001
• Orig file: v2.4.9/linux/fs/jffs2/compr_rubin.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.9/linux/fs/jffs2/compr_rubin.h linux/fs/jffs2/compr_rubin.h
@@ -0,0 +1,28 @@
+/* Rubin encoder/decoder header       */
+/* work started at   : aug   3, 1994  */
+/* last modification : aug  15, 1994  */
+/* $Id: compr_rubin.h,v 1.5 2001/02/26 13:50:01 dwmw2 Exp $ */
+
+#include "pushpull.h"
+
+#define RUBIN_REG_SIZE   16
+#define UPPER_BIT_RUBIN    (((long) 1)<<(RUBIN_REG_SIZE-1))
+#define LOWER_BITS_RUBIN   ((((long) 1)<<(RUBIN_REG_SIZE-1))-1)
+
+
+struct rubin_state {
+	unsigned long p;		
+	unsigned long q;	
+	unsigned long rec_q;
+	long bit_number;
+	struct pushpull pp;
+	int bit_divider;
+	int bits[8];
+};
+
+
+void init_rubin (struct rubin_state *rs, int div, int *bits);
+int encode (struct rubin_state *, long, long, int);
+void end_rubin (struct rubin_state *);
+void init_decode (struct rubin_state *, int div, int *bits);
+int decode (struct rubin_state *, long, long);