2 * ----------------------------------------------------------------------------
3 * "THE BEER-WARE LICENSE" (Revision 42):
4 * <phk@FreeBSD.org> wrote this file. As long as you retain this notice you
5 * can do whatever you want with this stuff. If we meet some day, and you think
6 * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
7 * ----------------------------------------------------------------------------
10 #include <sys/cdefs.h>
11 __FBSDID("$FreeBSD$");
19 read_block(int fd, daddr_t block, u_long sector_size)
24 foo = malloc(sector_size);
27 if (-1 == lseek(fd, (off_t)block * sector_size, SEEK_SET)) {
31 i = read(fd, foo, sector_size);
32 if ((int)sector_size != i) {
40 write_block(int fd, daddr_t block, const void *foo, u_long sector_size)
44 if (-1 == lseek(fd, (off_t)block * sector_size, SEEK_SET))
46 i = write(fd, foo, sector_size);
47 if ((int)sector_size != i)