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golang
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1.17.2
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net
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..
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addrselect.go
(9.59 KB)
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addrselect_test.go
(6.28 KB)
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cgo_aix.go
(603 B)
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cgo_android.go
(293 B)
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cgo_bsd.go
(419 B)
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cgo_linux.go
(672 B)
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cgo_netbsd.go
(297 B)
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cgo_openbsd.go
(297 B)
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cgo_resnew.go
(668 B)
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cgo_resold.go
(654 B)
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cgo_socknew.go
(816 B)
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cgo_sockold.go
(937 B)
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cgo_solaris.go
(364 B)
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cgo_stub.go
(1.08 KB)
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cgo_unix.go
(9.65 KB)
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cgo_unix_test.go
(2.01 KB)
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cgo_windows.go
(423 B)
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conf.go
(8.78 KB)
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conf_netcgo.go
(387 B)
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conf_test.go
(9.76 KB)
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conn_test.go
(1.79 KB)
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dial.go
(22.72 KB)
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dial_test.go
(26.02 KB)
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dial_unix_test.go
(2.83 KB)
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dnsclient.go
(5.73 KB)
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dnsclient_test.go
(1.51 KB)
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dnsclient_unix.go
(22.12 KB)
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dnsclient_unix_test.go
(54.46 KB)
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dnsconfig_unix.go
(5.56 KB)
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dnsconfig_unix_test.go
(6.83 KB)
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dnsname_test.go
(1.99 KB)
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error_plan9.go
(224 B)
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error_plan9_test.go
(398 B)
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error_posix.go
(700 B)
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error_posix_test.go
(998 B)
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error_test.go
(19.59 KB)
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error_unix.go
(517 B)
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error_unix_test.go
(702 B)
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error_windows.go
(355 B)
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error_windows_test.go
(483 B)
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example_test.go
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external_test.go
(4.08 KB)
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fcntl_libc_test.go
(400 B)
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fcntl_syscall_test.go
(545 B)
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fd_plan9.go
(3.56 KB)
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fd_posix.go
(2.58 KB)
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fd_unix.go
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fd_windows.go
(4.62 KB)
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file.go
(1.69 KB)
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file_plan9.go
(2.68 KB)
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file_stub.go
(507 B)
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file_test.go
(6.55 KB)
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file_unix.go
(2.6 KB)
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file_windows.go
(521 B)
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hook.go
(628 B)
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hook_plan9.go
(283 B)
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hook_unix.go
(840 B)
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hook_windows.go
(875 B)
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hosts.go
(3.1 KB)
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hosts_test.go
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http
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interface.go
(7.17 KB)
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interface_aix.go
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interface_bsd.go
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interface_bsd_test.go
(1.48 KB)
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interface_bsdvar.go
(753 B)
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interface_darwin.go
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interface_freebsd.go
(1.42 KB)
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interface_linux.go
(6.9 KB)
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interface_linux_test.go
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interface_plan9.go
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interface_solaris.go
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interface_stub.go
(830 B)
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interface_test.go
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interface_unix_test.go
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interface_windows.go
(5.41 KB)
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internal
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ip.go
(17.66 KB)
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ip_test.go
(25.33 KB)
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iprawsock.go
(7.08 KB)
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iprawsock_plan9.go
(874 B)
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iprawsock_posix.go
(3.56 KB)
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iprawsock_test.go
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ipsock.go
(8.97 KB)
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ipsock_plan9.go
(7.5 KB)
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ipsock_plan9_test.go
(645 B)
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ipsock_posix.go
(6.28 KB)
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ipsock_test.go
(6.81 KB)
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listen_test.go
(21.34 KB)
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lookup.go
(21.33 KB)
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lookup_fake.go
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lookup_plan9.go
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lookup_test.go
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lookup_unix.go
(8.89 KB)
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lookup_windows.go
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lookup_windows_test.go
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mac.go
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mac_test.go
(3.26 KB)
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mail
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main_cloexec_test.go
(750 B)
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main_conf_test.go
(952 B)
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main_noconf_test.go
(537 B)
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main_plan9_test.go
(392 B)
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main_posix_test.go
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main_test.go
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main_unix_test.go
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main_windows_test.go
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mockserver_test.go
(11.39 KB)
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net.go
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net_fake.go
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net_test.go
(13.88 KB)
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net_windows_test.go
(15.94 KB)
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netgo_unix_test.go
(741 B)
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nss.go
(3.8 KB)
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nss_test.go
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packetconn_test.go
(3.57 KB)
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parse.go
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parse_test.go
(2.14 KB)
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pipe.go
(5.43 KB)
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pipe_test.go
(1.2 KB)
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platform_test.go
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port.go
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port_test.go
(1.34 KB)
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port_unix.go
(1.39 KB)
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protoconn_test.go
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rawconn.go
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rawconn_stub_test.go
(655 B)
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rawconn_test.go
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rawconn_unix_test.go
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rawconn_windows_test.go
(3.12 KB)
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rpc
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sendfile_linux.go
(1.1 KB)
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sendfile_stub.go
(391 B)
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sendfile_test.go
(6.91 KB)
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sendfile_unix_alt.go
(2.02 KB)
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sendfile_windows.go
(1.02 KB)
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server_test.go
(11.11 KB)
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smtp
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sock_bsd.go
(968 B)
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sock_cloexec.go
(1.53 KB)
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sock_linux.go
(1.53 KB)
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sock_linux_test.go
(545 B)
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sock_plan9.go
(262 B)
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sock_posix.go
(6.92 KB)
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sock_stub.go
(420 B)
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sock_windows.go
(1.16 KB)
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sockaddr_posix.go
(1.05 KB)
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sockopt_aix.go
(1.43 KB)
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sockopt_bsd.go
(2.26 KB)
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sockopt_linux.go
(1.25 KB)
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sockopt_plan9.go
(406 B)
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sockopt_posix.go
(2.76 KB)
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sockopt_solaris.go
(1.25 KB)
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sockopt_stub.go
(760 B)
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sockopt_windows.go
(1.51 KB)
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sockoptip_bsdvar.go
(929 B)
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sockoptip_linux.go
(735 B)
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sockoptip_posix.go
(1.53 KB)
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sockoptip_stub.go
(971 B)
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sockoptip_windows.go
(819 B)
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splice_linux.go
(1.09 KB)
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splice_stub.go
(304 B)
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splice_test.go
(10.51 KB)
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sys_cloexec.go
(1 KB)
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tcpsock.go
(9.88 KB)
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tcpsock_plan9.go
(2.13 KB)
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tcpsock_posix.go
(5.39 KB)
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tcpsock_test.go
(17.53 KB)
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tcpsock_unix_test.go
(2.41 KB)
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tcpsockopt_darwin.go
(770 B)
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tcpsockopt_dragonfly.go
(698 B)
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tcpsockopt_openbsd.go
(365 B)
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tcpsockopt_plan9.go
(525 B)
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tcpsockopt_posix.go
(592 B)
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tcpsockopt_solaris.go
(1.15 KB)
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tcpsockopt_stub.go
(415 B)
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tcpsockopt_unix.go
(757 B)
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tcpsockopt_windows.go
(741 B)
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testdata
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textproto
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timeout_test.go
(23.39 KB)
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udpsock.go
(9.19 KB)
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udpsock_plan9.go
(3.79 KB)
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udpsock_plan9_test.go
(1.31 KB)
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udpsock_posix.go
(4.27 KB)
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udpsock_test.go
(12.27 KB)
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unixsock.go
(10.17 KB)
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unixsock_linux_test.go
(2.29 KB)
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unixsock_plan9.go
(1.24 KB)
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unixsock_posix.go
(6.03 KB)
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unixsock_readmsg_cloexec.go
(691 B)
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unixsock_readmsg_cmsg_cloexec.go
(373 B)
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unixsock_readmsg_other.go
(301 B)
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unixsock_readmsg_test.go
(2.62 KB)
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unixsock_test.go
(10.56 KB)
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unixsock_windows_test.go
(2.09 KB)
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url
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write_unix_test.go
(1.67 KB)
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writev_test.go
(5.02 KB)
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writev_unix.go
(797 B)
Editing: nss.go
// Copyright 2015 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. //go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris // +build aix darwin dragonfly freebsd linux netbsd openbsd solaris package net import ( "errors" "internal/bytealg" "io" "os" ) // nssConf represents the state of the machine's /etc/nsswitch.conf file. type nssConf struct { err error // any error encountered opening or parsing the file sources map[string][]nssSource // keyed by database (e.g. "hosts") } type nssSource struct { source string // e.g. "compat", "files", "mdns4_minimal" criteria []nssCriterion } // standardCriteria reports all specified criteria have the default // status actions. func (s nssSource) standardCriteria() bool { for i, crit := range s.criteria { if !crit.standardStatusAction(i == len(s.criteria)-1) { return false } } return true } // nssCriterion is the parsed structure of one of the criteria in brackets // after an NSS source name. type nssCriterion struct { negate bool // if "!" was present status string // e.g. "success", "unavail" (lowercase) action string // e.g. "return", "continue" (lowercase) } // standardStatusAction reports whether c is equivalent to not // specifying the criterion at all. last is whether this criteria is the // last in the list. func (c nssCriterion) standardStatusAction(last bool) bool { if c.negate { return false } var def string switch c.status { case "success": def = "return" case "notfound", "unavail", "tryagain": def = "continue" default: // Unknown status return false } if last && c.action == "return" { return true } return c.action == def } func parseNSSConfFile(file string) *nssConf { f, err := os.Open(file) if err != nil { return &nssConf{err: err} } defer f.Close() return parseNSSConf(f) } func parseNSSConf(r io.Reader) *nssConf { slurp, err := readFull(r) if err != nil { return &nssConf{err: err} } conf := new(nssConf) conf.err = foreachLine(slurp, func(line []byte) error { line = trimSpace(removeComment(line)) if len(line) == 0 { return nil } colon := bytealg.IndexByte(line, ':') if colon == -1 { return errors.New("no colon on line") } db := string(trimSpace(line[:colon])) srcs := line[colon+1:] for { srcs = trimSpace(srcs) if len(srcs) == 0 { break } sp := bytealg.IndexByte(srcs, ' ') var src string if sp == -1 { src = string(srcs) srcs = nil // done } else { src = string(srcs[:sp]) srcs = trimSpace(srcs[sp+1:]) } var criteria []nssCriterion // See if there's a criteria block in brackets. if len(srcs) > 0 && srcs[0] == '[' { bclose := bytealg.IndexByte(srcs, ']') if bclose == -1 { return errors.New("unclosed criterion bracket") } var err error criteria, err = parseCriteria(srcs[1:bclose]) if err != nil { return errors.New("invalid criteria: " + string(srcs[1:bclose])) } srcs = srcs[bclose+1:] } if conf.sources == nil { conf.sources = make(map[string][]nssSource) } conf.sources[db] = append(conf.sources[db], nssSource{ source: src, criteria: criteria, }) } return nil }) return conf } // parses "foo=bar !foo=bar" func parseCriteria(x []byte) (c []nssCriterion, err error) { err = foreachField(x, func(f []byte) error { not := false if len(f) > 0 && f[0] == '!' { not = true f = f[1:] } if len(f) < 3 { return errors.New("criterion too short") } eq := bytealg.IndexByte(f, '=') if eq == -1 { return errors.New("criterion lacks equal sign") } lowerASCIIBytes(f) c = append(c, nssCriterion{ negate: not, status: string(f[:eq]), action: string(f[eq+1:]), }) return nil }) return }
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