1 /* 2 * Copyright (c) 2010 The DragonFly Project. All rights reserved. 3 * 4 * This code is derived from software contributed to The DragonFly Project 5 * by Alex Hornung <ahornung@gmail.com> 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * 3. Neither the name of The DragonFly Project nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific, prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #ifndef LIBFSID_H 36 #define LIBFSID_H 37 38 #include <sys/types.h> 39 #include <sys/uio.h> 40 41 #include <err.h> 42 #include <fcntl.h> 43 #include <stdio.h> 44 #include <stdlib.h> 45 #include <string.h> 46 #include <unistd.h> 47 48 typedef enum { 49 FSID_UNKNOWN, 50 FSID_HAMMER, 51 FSID_UFS, 52 FSID_CD9660, 53 FSID_EXT2, 54 FSID_MSDOSFS 55 } fsid_t; 56 57 typedef fsid_t (probe_func_t)(const char *); 58 typedef char *(volname_func_t)(const char *); 59 60 struct fs_type { 61 const char *fs_name; 62 probe_func_t *fs_probe; 63 volname_func_t *fs_volname; 64 }; 65 66 probe_func_t hammer_probe; 67 probe_func_t ufs_probe; 68 probe_func_t cd9660_probe; 69 probe_func_t ext2_probe; 70 probe_func_t msdosfs_probe; 71 72 volname_func_t hammer_volname; 73 volname_func_t ufs_volname; 74 volname_func_t cd9660_volname; 75 volname_func_t ext2_volname; 76 volname_func_t msdosfs_volname; 77 78 fsid_t fsid_probe(const char *dev, const char *fs_name); 79 fsid_t fsid_probe_all(const char *dev); 80 81 char *fsid_volname(const char *dev, const char *fs_name); 82 char *fsid_volname_all(const char *dev); 83 84 /* Extra functions */ 85 const char *fsid_fsname(fsid_t); 86 int fsid_fs_count(void); 87 88 #ifdef _FSID_INTERNAL 89 int fsid_dev_read(const char *dev, off_t off, size_t len, char *buf); 90 #endif 91 92 #endif /* LIBFSID_H */ 93