1 /* 2 * Copyright (C) 2017 National Institute of Advanced Industrial Science 3 * and Technology (AIST) 4 * 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions are met: 9 * 10 * Redistributions of source code must retain the above copyright notice, this 11 * list of conditions and the following disclaimer. 12 * 13 * Redistributions in binary form must reproduce the above copyright notice, 14 * this list of conditions and the following disclaimer in the documentation 15 * and/or other materials provided with the distribution. 16 * 17 * Neither the name of AIST nor the names of its contributors may be used 18 * to endorse or promote products derived from this software without specific 19 * prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 typedef uint32_t u32_be_t; 35 36 struct romfs_superblock { 37 u32_be_t magic1; 38 u32_be_t magic2; 39 u32_be_t size; 40 u32_be_t checksum; 41 }; 42 43 struct romfs_i { 44 u32_be_t next; 45 u32_be_t dir_start; 46 u32_be_t size; 47 u32_be_t checksum; 48 }; 49 50 enum { 51 RFST_HARDLINK = 0, 52 RFST_DIR = 1, 53 RFST_SYMLINK = 3, 54 }; 55 56 typedef const struct romfs_i *romfs_inode_t; 57 typedef const struct romfs_superblock *romfs_t; 58 59 const void * 60 romfs_get_info(romfs_t romfs, const char *path, size_t *len, size_t *csum); 61 size_t 62 romfs_mount_check(romfs_t romfs); 63 64