A mirror of https://github.com/rmyorston/busybox-w32.git https://git.lua4.win/busybox-w32/atom?h=busybox 2026-02-23T13:47:17+00:00 2026-02-23T13:47:17+00:00 Denys Vlasenko vda.linux@googlemail.com 2026-02-23T13:19:12+00:00 urn:sha1:87fcfe7dfedfbc6925c164e8404c03dc02921264 Now should never block on network I/O. Also, window resizing is dynamic now. function old new delta write_to_net - 596 +596 read_from_net - 543 +543 read_from_stdin - 227 +227 show_menu - 212 +212 write_to_stdout - 105 +105 have_data_to_write_to_net - 72 +72 have_data_to_write_to_stdout - 38 +38 put_iac_byte_escaped - 32 +32 ioloop_run 411 438 +27 have_buffer_to_read_from_stdin - 25 +25 have_buffer_to_read_from_net - 25 +25 .rodata 107125 107141 +16 handle_SIGWINCH - 15 +15 put_iac 36 28 -8 put_iac4_msb_lsb 19 - -19 iac_flush 36 - -36 setConMode 87 - -87 handle_net_output 110 - -110 con_escape 271 - -271 telnet_main 1232 476 -756 ------------------------------------------------------------------------------ (add/remove: 11/5 grow/shrink: 2/2 up/down: 1933/-1287) Total: 646 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> 2026-02-21T15:54:35+00:00 Denys Vlasenko vda.linux@googlemail.com 2026-02-21T15:42:05+00:00 urn:sha1:dc6e92c9903ef1d16f600e0425b3bb7273a0afb9 We do it, badly, in many places. Better to use one robust implementation. Can be buggy yet. Initial use is in a rather old, rarely used tech: telnet. The I/O in telnetd should be fully non-blocking now, including pty delays handling. Several bugs in telnetd handling of IACs are fixed. function old new delta ioloop_run - 411 +411 net_to_pty__have_data_to_write - 368 +368 pty_to_net__write - 318 +318 net_to_pty__write - 180 +180 pty_to_net__read - 171 +171 net_to_pty__have_buffer_to_read_into - 164 +164 pty_to_net__have_buffer_to_read_into - 90 +90 net_to_pty__read - 87 +87 pty_to_net__have_data_to_write - 59 +59 make_new_session 491 550 +59 conn_close_fds - 52 +52 accept_conn__accept - 49 +49 conn_close_fds_remove_and_free - 27 +27 ioloop_remove_conn - 22 +22 remove_and_free_to_pty - 19 +19 ioloop_insert_conn - 10 +10 accept_conn__can_accept - 6 +6 accept_conn__return_zero - 3 +3 static.ayt_response - 2 +2 handle_sigchld 59 61 +2 free_session 130 - -130 telnetd_main 1797 367 -1430 ------------------------------------------------------------------------------ (add/remove: 19/1 grow/shrink: 2/1 up/down: 2099/-1560) Total: 539 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>