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Diffstat (limited to '')
-rw-r--r-- | libblkid/src/superblocks/romfs.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/libblkid/src/superblocks/romfs.c b/libblkid/src/superblocks/romfs.c new file mode 100644 index 0000000..1c2ac43 --- /dev/null +++ b/libblkid/src/superblocks/romfs.c @@ -0,0 +1,54 @@ +/* + * Copyright (C) 1999, 2001 by Andries Brouwer + * Copyright (C) 1999, 2000, 2003 by Theodore Ts'o + * Copyright (C) 2008 Karel Zak <kzak@redhat.com> + * + * This file may be redistributed under the terms of the + * GNU Lesser General Public License. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <string.h> +#include <errno.h> +#include <ctype.h> +#include <stdint.h> + +#include "superblocks.h" + +struct romfs_super_block { + unsigned char ros_magic[8]; + uint32_t ros_dummy1[2]; + unsigned char ros_volume[16]; +} __attribute__((packed)); + +static int probe_romfs(blkid_probe pr, const struct blkid_idmag *mag) +{ + struct romfs_super_block *ros; + + ros = blkid_probe_get_sb(pr, mag, struct romfs_super_block); + if (!ros) + return errno ? -errno : 1; + + if (*((char *) ros->ros_volume) != '\0') + blkid_probe_set_label(pr, ros->ros_volume, + sizeof(ros->ros_volume)); + + blkid_probe_set_block_size(pr, 1024); + + return 0; +} + +const struct blkid_idinfo romfs_idinfo = +{ + .name = "romfs", + .usage = BLKID_USAGE_FILESYSTEM, + .probefunc = probe_romfs, + .magics = + { + { .magic = "-rom1fs-", .len = 8 }, + { NULL } + } +}; + |