Archipelago » qemu

static void v9fs_readlink_post_readlink(V9fsState *s, V9fsReadLinkState *vs,

                                                    int err)

{

    if (err < 0) {

        err = -errno;

        goto out;

    }

    vs->offset += pdu_marshal(vs->pdu, vs->offset, "s", &vs->target);

    err = vs->offset;

out:

    complete_pdu(s, vs->pdu, err);

    v9fs_string_free(&vs->target);

    qemu_free(vs);

}

static void v9fs_readlink(V9fsState *s, V9fsPDU *pdu)

{

    int32_t fid;

    V9fsReadLinkState *vs;

    int err = 0;

    V9fsFidState *fidp;

    vs = qemu_malloc(sizeof(*vs));

    vs->pdu = pdu;

    vs->offset = 7;

    pdu_unmarshal(vs->pdu, vs->offset, "d", &fid);

    fidp = lookup_fid(s, fid);

    if (fidp == NULL) {

        err = -ENOENT;

        goto out;

    }

    v9fs_string_init(&vs->target);

    err = v9fs_do_readlink(s, &fidp->path, &vs->target);

    v9fs_readlink_post_readlink(s, vs, err);

    return;

out:

    complete_pdu(s, vs->pdu, err);

    qemu_free(vs);

}

    [P9_TREADLINK] = v9fs_readlink,