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-rw-r--r--lib/libdisk/blocks.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/lib/libdisk/blocks.c b/lib/libdisk/blocks.c
new file mode 100644
index 000000000000..65d0dae72e5d
--- /dev/null
+++ b/lib/libdisk/blocks.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 "libdisk.h"
+
+void *
+read_block(int fd, daddr_t block)
+{
+ void *foo;
+
+ foo = malloc(512);
+ if (!foo)
+ err(1,"malloc");
+ if (-1 == lseek(fd,block * 512,SEEK_SET))
+ err(1,"lseek");
+ if (512 != read(fd,foo, 512))
+ err(1,"read");
+ return foo;
+}
+