diff options
Diffstat (limited to 'sysdeps/mach/hurd/recvfrom.c')
| -rw-r--r-- | sysdeps/mach/hurd/recvfrom.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/sysdeps/mach/hurd/recvfrom.c b/sysdeps/mach/hurd/recvfrom.c index 09d45c7cc8..4a69af41ce 100644 --- a/sysdeps/mach/hurd/recvfrom.c +++ b/sysdeps/mach/hurd/recvfrom.c @@ -56,6 +56,14 @@ DEFUN(recvfrom, (fd, buf, n, flags, addr, addr_len), int type; err = __socket_whatis_address (addrport, &type, &buf, &buflen); + if (err == EOPNOTSUPP) + /* If the protocol server can't tell us the address, just return a + zero-length one. */ + { + buf = (char *)addr; + buflen = 0; + err = 0; + } __mach_port_deallocate (__mach_task_self (), addrport); if (err) return __hurd_dfail (fd, err); @@ -68,7 +76,8 @@ DEFUN(recvfrom, (fd, buf, n, flags, addr, addr_len), __vm_deallocate (__mach_task_self (), (vm_address_t) buf, buflen); } - addr->sa_family = type; + if (buflen > 0) + addr->sa_family = type; } /* Toss control data; we don't care. */ |