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authorphk <phk@FreeBSD.org>1995-04-28 23:57:04 +0000
committerphk <phk@FreeBSD.org>1995-04-28 23:57:04 +0000
commit773ad9f330436a3c7484840bf3a542958fd14c96 (patch)
tree52b9513433e8fa4d94139f8ec002668ef2560b11 /lib/libdisk/blocks.c
parente31775a1086bdadc2cd01b0eed72cb217fb1e9e8 (diff)
downloadFreeBSD-src-773ad9f330436a3c7484840bf3a542958fd14c96.zip
FreeBSD-src-773ad9f330436a3c7484840bf3a542958fd14c96.tar.gz
This is a revision 0.00 of the backend stuff for the fdisk/disklabel stuff
in the new sysinstall. If you want to give a helping hand, then send email to phk@FreeBSD.ORG. DO NOT COMMIT TO THIS DIRECTORY!
Diffstat (limited to 'lib/libdisk/blocks.c')
-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 0000000..65d0dae
--- /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;
+}
+
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