int
main(int argc, char** argv)
{
int i, n, off;
int fd[99];
spa_t *spa;
dnode_phys_t dn;
char buf[512];
zfs_init();
if (argc == 1) {
static char *av[] = {
"zfstest", "/dev/da0p2", "/dev/da1p2", "/dev/da2p2",
NULL,
};
argc = 4;
argv = av;
}
for (i = 1; i < argc; i++) {
fd[i] = open(argv[i], O_RDONLY);
if (fd[i] < 0)
continue;
if (vdev_probe(vdev_read, &fd[i], NULL) != 0)
close(fd[i]);
}
spa_all_status();
spa = STAILQ_FIRST(&zfs_pools);
if (!spa || zfs_mount_pool(spa))
exit(1);
if (zfs_lookup(spa, "zfs.c", &dn))
exit(1);
off = 0;
do {
n = zfs_read(spa, &dn, buf, 512, off);
write(1, buf, n);
off += n;
} while (n == 512);
}
int
main(int argc, char** argv)
{
char buf[512];
int fd[100];
struct stat sb;
dnode_phys_t dn;
spa_t *spa;
off_t off;
ssize_t n;
int i;
zfs_init();
if (argc == 1) {
static char *av[] = {
"zfstest", "COPYRIGHT",
"/dev/da0p2", "/dev/da1p2", "/dev/da2p2",
NULL,
};
argc = 5;
argv = av;
}
for (i = 2; i < argc; i++) {
fd[i] = open(argv[i], O_RDONLY);
if (fd[i] < 0)
continue;
if (vdev_probe(vdev_read, &fd[i], NULL) != 0)
close(fd[i]);
}
spa_all_status();
spa = STAILQ_FIRST(&zfs_pools);
if (spa == NULL) {
fprintf(stderr, "no pools\n");
exit(1);
}
if (zfs_mount_pool(spa)) {
fprintf(stderr, "can't mount pool\n");
exit(1);
}
if (zfs_lookup(spa, argv[1], &dn)) {
fprintf(stderr, "can't lookup\n");
exit(1);
}
if (zfs_dnode_stat(spa, &dn, &sb)) {
fprintf(stderr, "can't stat\n");
exit(1);
}
off = 0;
do {
n = sb.st_size - off;
n = n > sizeof(buf) ? sizeof(buf) : n;
n = zfs_read(spa, &dn, buf, n, off);
if (n < 0) {
fprintf(stderr, "zfs_read failed\n");
exit(1);
}
write(1, buf, n);
off += n;
} while (off < sb.st_size);
return (0);
}
