rockbox/lib/x1000-installer/include/xf_package.h

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2021 Aidan MacDonald
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef _XF_PACKAGE_H_
#define _XF_PACKAGE_H_
/* package format
*
* - bootloader-info.txt (contains a version label and optional metadata)
* - flashmap.txt (describes the flash update map)
* - [package must contain any other files referenced by the flash map]
* - [other files may be present, but are ignored]
*/
#include "xf_flashmap.h"
#include "xf_stream.h"
#include "microtar.h"
struct xf_package {
int alloc_handle;
mtar_t* tar;
struct xf_map* map;
int map_size;
char* metadata;
size_t metadata_len;
};
/** Open an update package
*
* \param pkg Uninitialized package structure
* \param file Name of the package file
* \param dflt_map Default flash map for loading old format packages
* \param dflt_map_size Size of the default flash map
* \returns XF_E_SUCCESS or a negative error code
*/
int xf_package_open_ex(struct xf_package* pkg, const char* file,
const struct xf_map* dflt_map, int dflt_map_size);
/** Close a package which was previously opened successfully */
void xf_package_close(struct xf_package* pkg);
static inline int xf_package_open(struct xf_package* pkg, const char* file)
{
return xf_package_open_ex(pkg, file, NULL, 0);
}
#endif /* _XF_PACKAGE_H_ */