From 9533dc84d7addf792db4f4702b6fc7d7ddd20e78 Mon Sep 17 00:00:00 2001 From: David Oberhollenzer Date: Sun, 1 Sep 2019 14:35:03 +0200 Subject: Install libsquashfs.so headers on the system in "sqfs" subdirectory Signed-off-by: David Oberhollenzer --- include/meta_writer.h | 87 --------------------------------------------------- 1 file changed, 87 deletions(-) delete mode 100644 include/meta_writer.h (limited to 'include/meta_writer.h') diff --git a/include/meta_writer.h b/include/meta_writer.h deleted file mode 100644 index 762cc38..0000000 --- a/include/meta_writer.h +++ /dev/null @@ -1,87 +0,0 @@ -/* SPDX-License-Identifier: GPL-3.0-or-later */ -/* - * meta_writer.h - * - * Copyright (C) 2019 David Oberhollenzer - */ -#ifndef META_WRITER_H -#define META_WRITER_H - -#include "config.h" - -#include "compress.h" -#include "squashfs.h" -#include "id_table.h" -#include "fstree.h" - -typedef struct { - tree_node_t *node; - uint32_t block; - uint32_t index; -} idx_ref_t; - -typedef struct { - size_t num_nodes; - size_t max_nodes; - idx_ref_t idx_nodes[]; -} dir_index_t; - -typedef struct meta_writer_t meta_writer_t; - -/* Create a meta data reader using a given compressor to compress data. - Internally prints error message to stderr on failure. - If keep_in_mem is true, the blocks are collected in memory and must - be explicitly flushed to disk using meta_write_write_to_file. -*/ -meta_writer_t *meta_writer_create(int fd, compressor_t *cmp, bool keep_in_mem); - -void meta_writer_destroy(meta_writer_t *m); - -/* Compress and flush the currently unfinished block to disk. Returns 0 on - success, internally prints error message to stderr on failure */ -int meta_writer_flush(meta_writer_t *m); - -/* Returns 0 on success. Prints error message to stderr on failure. */ -int meta_writer_append(meta_writer_t *m, const void *data, size_t size); - -/* Query the current block start position and offset within the block */ -void meta_writer_get_position(const meta_writer_t *m, uint64_t *block_start, - uint32_t *offset); - -/* Reset all internal state, including the current block start position. */ -void meta_writer_reset(meta_writer_t *m); - -/* If created with keep_in_mem true, write the collected blocks to disk. - Does not flush the current block. Writes error messages to stderr and - returns non-zero on failure. */ -int meta_write_write_to_file(meta_writer_t *m); - -/* - High level helper function that writes squashfs directory entries to - a meta data writer. - - The dir_info_t structure is used to generate the listing and updated - accordingly (such as writing back the header position and total size). - A directory index is created on the fly and returned in *index. - A single free() call is sufficient. - - Returns 0 on success. Prints error messages to stderr on failure. - */ -int meta_writer_write_dir(meta_writer_t *dm, dir_info_t *dir, - dir_index_t **index); - -/* - High level helper function to serialize a tree_node_t to a squashfs inode - and write it to a meta data writer. - - The inode is written to `im`. If it is a directory node, the directory - contents are written to `dm` using meta_writer_write_dir. The given - id_table_t is used to store the uid and gid on the fly and write the - coresponding indices to the inode structure. - - Returns 0 on success. Prints error messages to stderr on failure. - */ -int meta_writer_write_inode(fstree_t *fs, id_table_t *idtbl, meta_writer_t *im, - meta_writer_t *dm, tree_node_t *node); - -#endif /* META_WRITER_H */ -- cgit v1.2.3