diff -ru squashfs2.0/squashfs-tools/mksquashfs.c squashfs2.0.amd64/squashfs-tools/mksquashfs.c
--- squashfs2.0/squashfs-tools/mksquashfs.c	2004-05-21 00:18:12.000000000 +0200
+++ squashfs2.0.amd64/squashfs-tools/mksquashfs.c	2004-06-16 19:47:42.410180000 +0200
@@ -62,6 +62,7 @@
 int total_compressed = 0, total_uncompressed = 0;
 
 int fd;
+unsigned char* read_buffer_base;
 
 /* superblock attributes */
 int noI = 0, noD = 0, check_data = 0, block_size = SQUASHFS_FILE_SIZE, block_log;
@@ -853,10 +854,14 @@
 	return start_bytes;
 }
 
+void setup_read_buffer(void* p)
+{	
+	read_buffer_base = (unsigned char*) p;
+}
 
 unsigned char *read_from_buffer(unsigned int *start, unsigned int avail_bytes)
 {
-	unsigned char *v = (unsigned char *) *start;
+	unsigned char *v = read_buffer_base + *start;
 	*start += avail_bytes;	
 	return v;
 }
@@ -923,7 +928,8 @@
 struct file_info *duplicate(unsigned char *(get_next_file_block)(unsigned int *, unsigned int), unsigned int file_start, int bytes, unsigned int **block_list, int *start, int blocks, struct fragment **fragment, char *frag_data, int frag_bytes)
 {
 	unsigned short checksum = get_checksum(get_next_file_block, file_start, bytes);
-	unsigned short fragment_checksum = get_checksum(read_from_buffer, (unsigned int) frag_data, frag_bytes);
+	setup_read_buffer(frag_data);
+	unsigned short fragment_checksum = get_checksum(read_from_buffer, 0, frag_bytes);
 	struct file_info *dupl_ptr = bytes ? dupl[checksum] : frag_dups[fragment_checksum];
 
 
@@ -1043,7 +1049,8 @@
 
 	close(file);
 	if(whole_file) {
-		if(duplicate_checking && (dupl_ptr = duplicate(read_from_buffer, (unsigned int) c_buffer, file_bytes, &block_listp, &start, blocks, &fragment, buff, frag_bytes)) == NULL) {
+		setup_read_buffer(c_buffer);
+		if(duplicate_checking && (dupl_ptr = duplicate(read_from_buffer, 0, file_bytes, &block_listp, &start, blocks, &fragment, buff, frag_bytes)) == NULL) {
 			*duplicate_file = TRUE;
 			goto wr_inode;
 		}
diff -ru squashfs2.0/squashfs-tools/read_fs.c squashfs2.0.amd64/squashfs-tools/read_fs.c
--- squashfs2.0/squashfs-tools/read_fs.c	2004-05-19 01:17:29.000000000 +0200
+++ squashfs2.0.amd64/squashfs-tools/read_fs.c	2004-06-16 19:49:28.740016000 +0200
@@ -420,7 +420,7 @@
 	printf("Read existing filesystem, %d inodes scanned\n", files);
 
 	if(inode.inode_type == SQUASHFS_DIR_TYPE) {
-		if((directory_table = squashfs_readdir(fd, !((int) root_name), sBlk->directory_table_start + inode.start_block,
+		if((directory_table = squashfs_readdir(fd, !root_name, sBlk->directory_table_start + inode.start_block,
 						inode.offset, inode.file_size, sBlk, push_directory_entry)) == NULL) {
 			ERROR("read_filesystem: Could not read root directory\n");
 			goto error;