1 files changed, 139 insertions, 0 deletions
diff --git a/include/common.h b/include/common.h
new file mode 100644
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+++ b/include/common.h
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+/* SPDX-License-Identifier: GPL-3.0-or-later */
+/*
+ * common.h
+ *
+ * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
+ */
+#ifndef COMMON_H
+#define COMMON_H
+
+#include "config.h"
+
+#include "sqfs/xattr_writer.h"
+#include "sqfs/xattr_reader.h"
+#include "sqfs/compressor.h"
+#include "sqfs/id_table.h"
+#include "sqfs/inode.h"
+#include "sqfs/table.h"
+#include "sqfs/error.h"
+#include "sqfs/meta_writer.h"
+#include "sqfs/data_reader.h"
+#include "sqfs/data_writer.h"
+#include "sqfs/dir_writer.h"
+#include "sqfs/dir_reader.h"
+#include "sqfs/block.h"
+#include "sqfs/xattr.h"
+#include "sqfs/dir.h"
+#include "sqfs/io.h"
+#include "compat.h"
+#include "fstree.h"
+#include "util.h"
+#include "tar.h"
+
+#include <stddef.h>
+
+typedef struct {
+	size_t file_count;
+	size_t blocks_written;
+	size_t frag_blocks_written;
+	size_t duplicate_blocks;
+	size_t sparse_blocks;
+	size_t frag_count;
+	size_t frag_dup;
+	sqfs_u64 bytes_written;
+	sqfs_u64 bytes_read;
+} data_writer_stats_t;
+
+typedef struct {
+	sqfs_data_writer_t *data;
+	sqfs_compressor_t *cmp;
+	sqfs_id_table_t *idtbl;
+	sqfs_file_t *outfile;
+	sqfs_super_t super;
+	fstree_t fs;
+	data_writer_stats_t stats;
+	sqfs_xattr_writer_t *xwr;
+} sqfs_writer_t;
+
+typedef struct {
+	const char *filename;
+	char *fs_defaults;
+	char *comp_extra;
+	size_t block_size;
+	size_t devblksize;
+	size_t max_backlog;
+	size_t num_jobs;
+
+	int outmode;
+	E_SQFS_COMPRESSOR comp_id;
+
+	bool exportable;
+	bool no_xattr;
+	bool quiet;
+} sqfs_writer_cfg_t;
+
+/*
+  High level helper function to serialize an entire file system tree to
+  a squashfs inode table and directory table.
+
+  The data is written to the given file descriptor and the super block is
+  update accordingly (inode and directory table start and total size).
+
+  The function internally creates two meta data writers and uses
+  meta_writer_write_inode to serialize the inode table of the fstree.
+
+  Returns 0 on success. Prints error messages to stderr on failure.
+ */
+int sqfs_serialize_fstree(const char *filename, sqfs_file_t *file,
+			  sqfs_super_t *super, fstree_t *fs,
+			  sqfs_compressor_t *cmp, sqfs_id_table_t *idtbl);
+
+/*
+  Generate an NFS export table.
+
+  Returns 0 on success. Prints error messages to stderr on failure.
+ */
+int write_export_table(const char *filename, sqfs_file_t *file,
+		       fstree_t *fs, sqfs_super_t *super,
+		       sqfs_compressor_t *cmp);
+
+/* Print out fancy statistics for squashfs packing tools */
+void sqfs_print_statistics(sqfs_super_t *super, data_writer_stats_t *stats);
+
+void compressor_print_available(void);
+
+E_SQFS_COMPRESSOR compressor_get_default(void);
+
+int compressor_cfg_init_options(sqfs_compressor_config_t *cfg,
+				E_SQFS_COMPRESSOR id,
+				size_t block_size, char *options);
+
+void compressor_print_help(E_SQFS_COMPRESSOR id);
+
+int inode_stat(const sqfs_tree_node_t *node, struct stat *sb);
+
+char *sqfs_tree_node_get_path(const sqfs_tree_node_t *node);
+
+int sqfs_data_reader_dump(const char *name, sqfs_data_reader_t *data,
+			  const sqfs_inode_generic_t *inode,
+			  int outfd, size_t block_size, bool allow_sparse);
+
+sqfs_file_t *sqfs_get_stdin_file(const sparse_map_t *map, sqfs_u64 size);
+
+void register_stat_hooks(sqfs_data_writer_t *data, data_writer_stats_t *stats);
+
+int write_data_from_file(const char *filename, sqfs_data_writer_t *data,
+			 sqfs_inode_generic_t *inode,
+			 sqfs_file_t *file, int flags);
+
+void sqfs_writer_cfg_init(sqfs_writer_cfg_t *cfg);
+
+int sqfs_writer_init(sqfs_writer_t *sqfs, const sqfs_writer_cfg_t *wrcfg);
+
+int sqfs_writer_finish(sqfs_writer_t *sqfs, const sqfs_writer_cfg_t *cfg);
+
+void sqfs_writer_cleanup(sqfs_writer_t *sqfs);
+
+void sqfs_perror(const char *file, const char *action, int error_code);
+
+#endif /* COMMON_H */