a5ae62e9d2
'archive' concatenates files into a single binary blob. Files are indexed by the base names. See archive.h for the format description. BUG=chromium:502066 BRANCH=tot TEST=Tested on Glados Change-Id: Iea108160e65c8c7bd34c02af824a77cb075ee64b Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 21a9ba860f29599ac029f8d49d32399c4e3a73a8 Original-Change-Id: I46b4efb339e3a1e05772ae752f2861026ca09cfc Original-Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/311200 Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Original-Reviewed-by: Randall Spangler <rspangler@chromium.org> Reviewed-on: https://review.coreboot.org/12925 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
77 lines
2.2 KiB
C
77 lines
2.2 KiB
C
/*
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* Copyright (C) 2015 The ChromiumOS Authors. All rights reserved.
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* written by Daisuke Nojiri <dnojiri@chromium.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __ARCHIVE_H
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#define __ARCHIVE_H
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#include <stdint.h>
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/*
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* Archive file layout:
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*
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* +----------------------------------+
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* | root header |
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* +----------------------------------+
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* | file_header[0] |
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* +----------------------------------+
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* | file_header[1] |
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* +----------------------------------+
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* | ... |
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* +----------------------------------+
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* | file_header[count-1] |
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* +----------------------------------+
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* | file(0) content |
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* +----------------------------------+
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* | file(1) content |
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* +----------------------------------+
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* | ... |
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* +----------------------------------+
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* | file(count-1) content |
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* +----------------------------------+
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*/
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#define VERSION 0
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#define CBAR_MAGIC "CBAR"
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#define NAME_LENGTH 32
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/* Root header */
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struct directory {
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char magic[4];
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uint32_t version; /* version of the header. little endian */
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uint32_t size; /* total size of archive. little endian */
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uint32_t count; /* number of files. little endian */
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};
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/* File header */
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struct dentry {
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/* file name. null-terminated if shorter than NAME_LENGTH */
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char name[NAME_LENGTH];
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/* file offset from the root header. little endian */
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uint32_t offset;
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/* file size. little endian */
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uint32_t size;
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};
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static inline struct dentry *get_first_dentry(const struct directory *dir)
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{
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return (struct dentry *)(dir + 1);
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}
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static inline uint32_t get_first_offset(const struct directory *dir)
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{
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return sizeof(struct directory) + sizeof(struct dentry) * dir->count;
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}
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#endif
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