1 files changed, 69 insertions, 0 deletions
diff --git a/bin/sqfsdiff/sqfsdiff.h b/bin/sqfsdiff/sqfsdiff.h
new file mode 100644
index 0000000..94fce93
--- /dev/null
+++ b/bin/sqfsdiff/sqfsdiff.h
@@ -0,0 +1,69 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+/*
+ * sqfsdiff.h
+ *
+ * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
+ */
+#ifndef DIFFTOOL_H
+#define DIFFTOOL_H
+
+#include "config.h"
+#include "common.h"
+#include "fstree.h"
+
+#include <stdlib.h>
+#include <getopt.h>
+#include <string.h>
+#include <errno.h>
+
+#define MAX_WINDOW_SIZE (1024 * 1024 * 4)
+
+typedef struct {
+	sqfs_compressor_config_t cfg;
+	sqfs_compressor_t *cmp;
+	sqfs_super_t super;
+	sqfs_file_t *file;
+	sqfs_id_table_t *idtbl;
+	sqfs_dir_reader_t *dr;
+	sqfs_tree_node_t *root;
+	sqfs_data_reader_t *data;
+} sqfs_state_t;
+
+typedef struct {
+	const char *old_path;
+	const char *new_path;
+	int compare_flags;
+	sqfs_state_t sqfs_old;
+	sqfs_state_t sqfs_new;
+	bool compare_super;
+	const char *extract_dir;
+} sqfsdiff_t;
+
+enum {
+	COMPARE_NO_PERM = 0x01,
+	COMPARE_NO_OWNER = 0x02,
+	COMPARE_NO_CONTENTS = 0x04,
+	COMPARE_TIMESTAMP = 0x08,
+	COMPARE_INODE_NUM = 0x10,
+	COMPARE_EXTRACT_FILES = 0x20,
+};
+
+int compare_dir_entries(sqfsdiff_t *sd, sqfs_tree_node_t *old,
+			sqfs_tree_node_t *new);
+
+char *node_path(const sqfs_tree_node_t *n);
+
+int compare_files(sqfsdiff_t *sd, const sqfs_inode_generic_t *old,
+		  const sqfs_inode_generic_t *new, const char *path);
+
+int node_compare(sqfsdiff_t *sd, sqfs_tree_node_t *a, sqfs_tree_node_t *b);
+
+int compare_super_blocks(const sqfs_super_t *a, const sqfs_super_t *b);
+
+int extract_files(sqfsdiff_t *sd, const sqfs_inode_generic_t *old,
+		  const sqfs_inode_generic_t *new,
+		  const char *path);
+
+void process_options(sqfsdiff_t *sd, int argc, char **argv);
+
+#endif /* DIFFTOOL_H */