accept() expects address_len to point to the length of the sockaddr on
input. Initialize it accordingly.

Resolves an assertion due to EFAULT on illumos.
Signed-off-by: NAndreas Färber <andreas.faerber@web.de>
Signed-off-by: NStefan Hajnoczi <stefanha@linux.vnet.ibm.com>

Signed-off-by: NKevin Wolf <kwolf@redhat.com>
Reviewed-by: NPaolo Bonzini <pbonzini@redhat.com>

After adding GCC_FMT_ATTR to qtest_sendf, more format errors are reported
by the compiler. These are fixed here.
Signed-off-by: NStefan Weil <sw@weilnetz.de>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

Use PRIx64 to print 64 bit values to avoid truncation
on 32 bit hosts.
Reviewed-by: NAnthony Liguori <aliguori@us.ibm.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

This also includes a qtest wrapper script to make it easier to launch qtest
tests directly.
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>