ssize_t SVectorIO::Read(const void* buffer, size_t avail) const
{
const iovec* vec = Vectors();
ssize_t count = CountVectors();
size_t total = 0;
while (--count >= 0 && total < avail) {
total += vec->iov_len;
if (total <= avail) memcpy(vec->iov_base, buffer, vec->iov_len);
else {
memcpy(vec->iov_base, buffer, vec->iov_len-(total-avail));
total = avail;
}
buffer = static_cast<const uint8_t*>(buffer) + vec->iov_len;
vec++;
}
return total;
}
void foo_dummy()
{
Vectors();
}
