diff options
Diffstat (limited to 'winsup/cygwin/fhandler_socket.cc')
| -rw-r--r-- | winsup/cygwin/fhandler_socket.cc | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/winsup/cygwin/fhandler_socket.cc b/winsup/cygwin/fhandler_socket.cc index 80ea0aed1..f213e5d96 100644 --- a/winsup/cygwin/fhandler_socket.cc +++ b/winsup/cygwin/fhandler_socket.cc @@ -1174,13 +1174,13 @@ fhandler_socket::accept (struct sockaddr *peer, int *len) bound socket name of the peer's socket. For now we just fake an unbound socket on the other side. */ static struct sockaddr_un un = { AF_LOCAL, "" }; - *len = min (*len, 2); - memcpy (peer, &un, *len); + memcpy (peer, &un, min (*len, (int) sizeof (un.sun_family))); + *len = (int) sizeof (un.sun_family); } else { - *len = min (*len, llen); - memcpy (peer, &lpeer, *len); + memcpy (peer, &lpeer, min (*len, llen)); + *len = llen; } } } @@ -1208,8 +1208,8 @@ fhandler_socket::getsockname (struct sockaddr *name, int *namelen) sun.sun_path[0] = '\0'; if (get_sun_path ()) strncat (sun.sun_path, get_sun_path (), UNIX_PATH_LEN - 1); - *namelen = min (*namelen, (int) SUN_LEN (&sun) + 1); - memcpy (name, &sun, *namelen); + memcpy (name, &sun, min (*namelen, (int) SUN_LEN (&sun) + 1)); + *namelen = (int) SUN_LEN (&sun) + 1; res = 0; } else @@ -1222,8 +1222,8 @@ fhandler_socket::getsockname (struct sockaddr *name, int *namelen) res = ::getsockname (get_socket (), (struct sockaddr *) &sock, &len); if (!res) { - *namelen = min (*namelen, len); - memcpy (name, &sock, *namelen); + memcpy (name, &sock, min (*namelen, len)); + *namelen = len; } else { @@ -1233,15 +1233,17 @@ fhandler_socket::getsockname (struct sockaddr *name, int *namelen) unbound. Per SUSv3 this is not an error condition. We're faking a valid return value here by creating the same content in the sockaddr structure as on Linux. */ + memset (&sock, 0, sizeof sock); + sock.ss_family = get_addr_family (); switch (get_addr_family ()) { case AF_INET: res = 0; - *namelen = min (*namelen, (int) sizeof (struct sockaddr_in)); + len = (int) sizeof (struct sockaddr_in); break; case AF_INET6: res = 0; - *namelen = min (*namelen, (int) sizeof (struct sockaddr_in6)); + len = (int) sizeof (struct sockaddr_in6); break; default: WSASetLastError (WSAEOPNOTSUPP); @@ -1249,8 +1251,8 @@ fhandler_socket::getsockname (struct sockaddr *name, int *namelen) } if (!res) { - memset (name, 0, *namelen); - name->sa_family = get_addr_family (); + memcpy (name, &sock, min (*namelen, len)); + *namelen = len; } } if (res) @@ -1280,13 +1282,13 @@ fhandler_socket::getpeername (struct sockaddr *name, int *namelen) sun.sun_path[0] = '\0'; if (get_peer_sun_path ()) strncat (sun.sun_path, get_peer_sun_path (), UNIX_PATH_LEN - 1); - *namelen = min (*namelen, (int) SUN_LEN (&sun) + 1); - memcpy (name, &sun, *namelen); + memcpy (name, &sun, min (*namelen, (int) SUN_LEN (&sun) + 1)); + *namelen = (int) SUN_LEN (&sun) + 1; } else { - *namelen = min (*namelen, len); - memcpy (name, &sock, *namelen); + memcpy (name, &sock, min (*namelen, len)); + *namelen = len; } return res; |