1 files changed, 0 insertions, 129 deletions
diff --git a/sys/contrib/opensolaris/uts/common/fs/zfs/lzjb.c b/sys/contrib/opensolaris/uts/common/fs/zfs/lzjb.c
deleted file mode 100644
index a88b85c..0000000
--- a/sys/contrib/opensolaris/uts/common/fs/zfs/lzjb.c
+++ /dev/null
@@ -1,129 +0,0 @@
-/*
- * CDDL HEADER START
- *
- * The contents of this file are subject to the terms of the
- * Common Development and Distribution License (the "License").
- * You may not use this file except in compliance with the License.
- *
- * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
- * or http://www.opensolaris.org/os/licensing.
- * See the License for the specific language governing permissions
- * and limitations under the License.
- *
- * When distributing Covered Code, include this CDDL HEADER in each
- * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
- * If applicable, add the following below this CDDL HEADER, with the
- * fields enclosed by brackets "[]" replaced with your own identifying
- * information: Portions Copyright [yyyy] [name of copyright owner]
- *
- * CDDL HEADER END
- */
-
-/*
- * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
- * Use is subject to license terms.
- */
-
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
-/*
- * We keep our own copy of this algorithm for 2 main reasons:
- * 	1. If we didn't, anyone modifying common/os/compress.c would
- *         directly break our on disk format
- * 	2. Our version of lzjb does not have a number of checks that the
- *         common/os version needs and uses
- * In particular, we are adding the "feature" that compress() can
- * take a destination buffer size and return -1 if the data will not
- * compress to d_len or less.
- */
-
-#include <sys/zfs_context.h>
-#include <sys/types.h>
-
-#define	MATCH_BITS	6
-#define	MATCH_MIN	3
-#define	MATCH_MAX	((1 << MATCH_BITS) + (MATCH_MIN - 1))
-#define	OFFSET_MASK	((1 << (16 - MATCH_BITS)) - 1)
-#define	LEMPEL_SIZE	256
-
-/*ARGSUSED*/
-size_t
-lzjb_compress(void *s_start, void *d_start, size_t s_len, size_t d_len, int n)
-{
-	uchar_t *src = s_start;
-	uchar_t *dst = d_start;
-	uchar_t *cpy, *copymap;
-	int copymask = 1 << (NBBY - 1);
-	int mlen, offset;
-	uint16_t *hp;
-	uint16_t lempel[LEMPEL_SIZE];	/* uninitialized; see above */
-
-	while (src < (uchar_t *)s_start + s_len) {
-		if ((copymask <<= 1) == (1 << NBBY)) {
-			if (dst >= (uchar_t *)d_start + d_len - 1 - 2 * NBBY) {
-				if (d_len != s_len)
-					return (s_len);
-				mlen = s_len;
-				for (src = s_start, dst = d_start; mlen; mlen--)
-					*dst++ = *src++;
-				return (s_len);
-			}
-			copymask = 1;
-			copymap = dst;
-			*dst++ = 0;
-		}
-		if (src > (uchar_t *)s_start + s_len - MATCH_MAX) {
-			*dst++ = *src++;
-			continue;
-		}
-		hp = &lempel[((src[0] + 13) ^ (src[1] - 13) ^ src[2]) &
-		    (LEMPEL_SIZE - 1)];
-		offset = (intptr_t)(src - *hp) & OFFSET_MASK;
-		*hp = (uint16_t)(uintptr_t)src;
-		cpy = src - offset;
-		if (cpy >= (uchar_t *)s_start && cpy != src &&
-		    src[0] == cpy[0] && src[1] == cpy[1] && src[2] == cpy[2]) {
-			*copymap |= copymask;
-			for (mlen = MATCH_MIN; mlen < MATCH_MAX; mlen++)
-				if (src[mlen] != cpy[mlen])
-					break;
-			*dst++ = ((mlen - MATCH_MIN) << (NBBY - MATCH_BITS)) |
-			    (offset >> NBBY);
-			*dst++ = (uchar_t)offset;
-			src += mlen;
-		} else {
-			*dst++ = *src++;
-		}
-	}
-	return (dst - (uchar_t *)d_start);
-}
-
-/*ARGSUSED*/
-int
-lzjb_decompress(void *s_start, void *d_start, size_t s_len, size_t d_len, int n)
-{
-	uchar_t *src = s_start;
-	uchar_t *dst = d_start;
-	uchar_t *d_end = (uchar_t *)d_start + d_len;
-	uchar_t *cpy, copymap;
-	int copymask = 1 << (NBBY - 1);
-
-	while (dst < d_end) {
-		if ((copymask <<= 1) == (1 << NBBY)) {
-			copymask = 1;
-			copymap = *src++;
-		}
-		if (copymap & copymask) {
-			int mlen = (src[0] >> (NBBY - MATCH_BITS)) + MATCH_MIN;
-			int offset = ((src[0] << NBBY) | src[1]) & OFFSET_MASK;
-			src += 2;
-			if ((cpy = dst - offset) < (uchar_t *)d_start)
-				return (-1);
-			while (--mlen >= 0 && dst < d_end)
-				*dst++ = *cpy++;
-		} else {
-			*dst++ = *src++;
-		}
-	}
-	return (0);
-}