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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 02:42:50 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 02:42:50 +0000 |
commit | 8cb83eee5a58b1fad74c34094ce3afb9e430b5a4 (patch) | |
tree | a9b2e7baeca1be40eb734371e3c8b11b02294497 /libblkid/src/superblocks/romfs.c | |
parent | Initial commit. (diff) | |
download | util-linux-8cb83eee5a58b1fad74c34094ce3afb9e430b5a4.tar.xz util-linux-8cb83eee5a58b1fad74c34094ce3afb9e430b5a4.zip |
Adding upstream version 2.33.1.upstream/2.33.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'libblkid/src/superblocks/romfs.c')
-rw-r--r-- | libblkid/src/superblocks/romfs.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/libblkid/src/superblocks/romfs.c b/libblkid/src/superblocks/romfs.c new file mode 100644 index 0000000..f3e9f8b --- /dev/null +++ b/libblkid/src/superblocks/romfs.c @@ -0,0 +1,51 @@ +/* + * 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)); + return 0; +} + +const struct blkid_idinfo romfs_idinfo = +{ + .name = "romfs", + .usage = BLKID_USAGE_FILESYSTEM, + .probefunc = probe_romfs, + .magics = + { + { .magic = "-rom1fs-", .len = 8 }, + { NULL } + } +}; + |