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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 02:42:50 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 02:42:50 +0000
commit8cb83eee5a58b1fad74c34094ce3afb9e430b5a4 (patch)
treea9b2e7baeca1be40eb734371e3c8b11b02294497 /libblkid/src/superblocks/romfs.c
parentInitial commit. (diff)
downloadutil-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.c51
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 }
+ }
+};
+