diff options
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 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; +} +  | 
