diff options
author | phk <phk@FreeBSD.org> | 1995-04-28 23:57:04 +0000 |
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committer | phk <phk@FreeBSD.org> | 1995-04-28 23:57:04 +0000 |
commit | 773ad9f330436a3c7484840bf3a542958fd14c96 (patch) | |
tree | 52b9513433e8fa4d94139f8ec002668ef2560b11 /lib/libdisk/blocks.c | |
parent | e31775a1086bdadc2cd01b0eed72cb217fb1e9e8 (diff) | |
download | FreeBSD-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.c | 33 |
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; +} + |