int fuse_reply_ioctl_retry(fuse_req_t req,
const struct iovec *in_iov, size_t in_count,
const struct iovec *out_iov, size_t out_count)
{
struct fuse_ioctl_out arg;
struct iovec iov[4];
size_t count = 1;
memset(&arg, 0, sizeof(arg));
arg.flags |= FUSE_IOCTL_RETRY;
arg.in_iovs = in_count;
arg.out_iovs = out_count;
iov[count].iov_base = &arg;
iov[count].iov_len = sizeof(arg);
count++;
if (in_count) {
iov[count].iov_base = (void *)in_iov;
iov[count].iov_len = sizeof(in_iov[0]) * in_count;
count++;
}
if (out_count) {
iov[count].iov_base = (void *)out_iov;
iov[count].iov_len = sizeof(out_iov[0]) * out_count;
count++;
}
return send_reply_iov(req, 0, iov, count);
}
static int send_reply(fuse_req_t req, int error, const void *arg,
size_t argsize)
{
struct iovec iov[2];
int count = 1;
if (argsize) {
iov[1].iov_base = (void *) arg;
iov[1].iov_len = argsize;
count++;
}
return send_reply_iov(req, error, iov, count);
}
int fuse_reply_iov(fuse_req_t req, const struct iovec *iov, int count)
{
int res;
struct iovec *padded_iov;
padded_iov = malloc((count + 1) * sizeof(struct iovec));
if (padded_iov == NULL)
return fuse_reply_err(req, -ENOMEM);
memcpy(padded_iov + 1, iov, count * sizeof(struct iovec));
count++;
res = send_reply_iov(req, 0, padded_iov, count);
free(padded_iov);
return res;
}
int fuse_reply_ioctl(fuse_req_t req, int result, const void *buf, size_t size)
{
struct fuse_ioctl_out arg;
struct iovec iov[3];
size_t count = 1;
memset(&arg, 0, sizeof(arg));
arg.result = result;
iov[count].iov_base = &arg;
iov[count].iov_len = sizeof(arg);
count++;
if (size) {
iov[count].iov_base = (char *) buf;
iov[count].iov_len = size;
count++;
}
return send_reply_iov(req, 0, iov, count);
}
int fuse_reply_ioctl_iov(fuse_req_t req, int result, const struct iovec *iov,
int count)
{
struct iovec *padded_iov;
struct fuse_ioctl_out arg;
int res;
padded_iov = malloc((count + 2) * sizeof(struct iovec));
if (padded_iov == NULL)
return fuse_reply_err(req, -ENOMEM);
memset(&arg, 0, sizeof(arg));
arg.result = result;
padded_iov[1].iov_base = &arg;
padded_iov[1].iov_len = sizeof(arg);
memcpy(&padded_iov[2], iov, count * sizeof(struct iovec));
res = send_reply_iov(req, 0, padded_iov, count + 2);
free(padded_iov);
return res;
}
