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-rw-r--r--lib/libdisk/disklabel.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/lib/libdisk/disklabel.c b/lib/libdisk/disklabel.c
new file mode 100644
index 0000000..9714e6c
--- /dev/null
+++ b/lib/libdisk/disklabel.c
@@ -0,0 +1,33 @@
+/*
+ * ----------------------------------------------------------------------------
+ * "THE BEER-WARE LICENSE" (Revision 42):
+ * <phk@login.dknet.dk> wrote this file. As long as you retain this notice you
+ * can do whatever you want with this stuff. If we meet some day, and you think
+ * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
+ * ----------------------------------------------------------------------------
+ *
+ * $Id$
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <err.h>
+#include <sys/disklabel.h>
+#include "libdisk.h"
+
+struct disklabel *
+read_disklabel(int fd, daddr_t block)
+{
+ struct disklabel *dp;
+
+ dp = (struct disklabel *) read_block(fd,block);
+ if (dp->d_magic != DISKMAGIC)
+ return 0;
+ if (dp->d_magic2 != DISKMAGIC)
+ return 0;
+ if (dkcksum(dp) != 0)
+ return 0;
+ return dp;
+}
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