* use rb_funcallv() for no arguments call instead of variadic
rb_funcall().
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hostnames longer than 64 characters if the system supports it.
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sin6_scope_id on KAME introduced by r40593 for OpenIndiana.
KAME uses fe80:<scope_id>::<interface id> for link-local address
internally.
Setting sin6_scope_id causes it leaked.
see also comments of sockaddr_obj().
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if getifaddrs() returns an IPv6 link local address which
sin6_scope_id is zero, such as on OpenIndiana SunOS 5.11.
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subclasses that include WaitReadable or WaitWritable rather than
extending them into the exception object each time.
* error.c: Capture EGAIN, EWOULDBLOCK, EINPROGRESS exceptions and
export them for use in WaitReadable/Writable exceptions.
* io.c: Create versions of EAGAIN, EWOULDBLOCK, EINPROGRESS that
include WaitReadable and WaitWritable. Add rb_readwrite_sys_fail
for nonblocking failures using those exceptions. Use that
function in io_getpartial and io_write_nonblock instead of
rb_mod_sys_fail
* ext/openssl/ossl_ssl.c: Add new SSLError subclasses that include
WaitReadable and WaitWritable. Use those classes for
write_would_block and read_would_block instead of rb_mod_sys_fail.
* ext/socket/ancdata.c: Use rb_readwrite_sys_fail instead of
rb_mod_sys_fail in bsock_sendmsg_internal and
bsock_recvmsg_internal.
* ext/socket/init.c: Use rb_readwrite_sys_fail instead of
rb_mod_sys_fail in rsock_s_recvfrom_nonblock and
rsock_s_connect_nonblock.
* ext/socket/socket.c: Use rb_readwrite_sys_fail instead of
rb_mod_sys_fail in sock_connect_nonblock.
* include/ruby/ruby.h: Export rb_readwrite_sys_fail for use instead
of rb_mod_sys_fail. Introduce new constants RB_IO_WAIT_READABLE and
RB_IO_WAIT_WRITABLE for first arg to rb_readwrite_sys_fail.
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(rsock_sockaddr_string_value_with_addrinfo): New declaration.
(rsock_addrinfo_inspect_sockaddr): Ditto.
(rsock_sys_fail_addrinfo): Ditto.
(rsock_sys_fail_sockaddr_or_addrinfo): Ditto.
* ext/socket/raddrinfo.c (rsock_addrinfo_inspect_sockaddr): Renamed
from addrinfo_inspect_sockaddr and exported.
(rsock_sockaddr_string_value_with_addrinfo): New function to obtain
string and possibly addrinfo object.
* ext/socket/socket.c (rsock_sys_fail_sockaddr): Don't use
rsock_sys_fail_host_port which is IP dependent. Invoke
rsock_sys_fail_addrinfo.
(rsock_sys_fail_addrinfo): New function using
rsock_addrinfo_inspect_sockaddr.
(rsock_sys_fail_addrinfo_or_sockaddr): New function.
(sock_connect): Use SockAddrStringValueWithAddrinfo and
rsock_sys_fail_addrinfo_or_sockaddr.
(sock_connect_nonblock): Ditto.
(sock_bind): Ditto.
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* ext/socket/raddrinfo.c (rsock_make_hostent): ai_addrlen is not
size_t but socklen_t.
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sa_len member of 4.4BSD socket address.
* ext/socket/getnameinfo.c (getnameinfo): use VALIDATE_SOCKLEN,
instead of SA_LEN.
* ext/socket/socket.c (sock_s_getnameinfo): use VALIDATE_SOCKLEN
instead of SS_LEN.
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(sockaddr_obj): add an argument to length of socket address.
(socket_s_ip_address_list): call sockaddr_obj with actual socket
address length if given, use sockaddr_len otherwise.
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socket address.
* ext/socket/rubysocket.h (rsock_make_ipaddr): add an argument for
socket address length.
(rsock_ipaddr): ditto.
* ext/socket/ipsocket.c (ip_addr): pass length to rsock_ipaddr.
(ip_peeraddr): ditto.
(ip_s_getaddress): pass length to rsock_make_ipaddr.
* ext/socket/socket.c (make_addrinfo): pass length to rsock_ipaddr.
(sock_s_getnameinfo): pass actual address length to rb_getnameinfo.
(sock_s_unpack_sockaddr_in): pass length to rsock_make_ipaddr.
* ext/socket/init.c (rsock_s_recvfrom): pass length to rsock_ipaddr.
(rsock_s_recvfrom_nonblock): ditto.
* ext/socket/tcpsocket.c (tcp_sockaddr): pass length to
rsock_make_ipaddr.
* ext/socket/raddrinfo.c (make_ipaddr0): add an argument for socket
address length. pass the length to rb_getnameinfo.
(rsock_ipaddr): ditto.
(rsock_make_ipaddr): add an argument for socket address length.
pass the length to make_ipaddr0.
(make_inetaddr): pass length to make_ipaddr0.
a local variable renamed.
(host_str): a local variable renamed.
(port_str): ditto.
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use HAVE_STRUCT_SOCKADDR_SA_LEN and HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
instead.
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correct address length of an abstract socket.
* test/socket/test_unix.rb: related test.
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Based on a patch by David Albert
[Bug #7105] [ruby-core:47828]
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when it is too long for Unix socket.
* ext/socket/unixsocket.c (rsock_init_unixsock): ditto.
* ext/socket/socket.c (sock_s_pack_sockaddr_un): ditto.
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try_sock_cloexec if SOCK_CLOEXEC is not a reason for EINVAL.
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rsock_socketpair to set close-on-exec flag for each socketpair()
call.
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