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telnet: move winsize detection closer to I/O loop, delete non-functioning debug code

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2018-04-07 15:02:20 +02:00
parent e0afe0a9fd
commit 2f094ae821
2 changed files with 6 additions and 23 deletions
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17
networking/telnet.c
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@@ -89,12 +89,6 @@
# define TELOPT_NAWS 31 /* window size */
#endif
#ifdef DOTRACE
# define TRACE(x, y) do { if (x) printf y; } while (0)
#else
# define TRACE(x, y)
#endif
enum {
DATABUFSIZE = 128,
IACBUFSIZE = 128,
@@ -627,10 +621,6 @@ int telnet_main(int argc UNUSED_PARAM, char **argv)
INIT_G();
#if ENABLE_FEATURE_TELNET_WIDTH
get_terminal_width_height(0, &G.win_width, &G.win_height);
#endif
#if ENABLE_FEATURE_TELNET_TTYPE
G.ttype = getenv("TERM");
#endif
@@ -661,6 +651,11 @@ int telnet_main(int argc UNUSED_PARAM, char **argv)
setsockopt_keepalive(netfd);
#if ENABLE_FEATURE_TELNET_WIDTH
get_terminal_width_height(0, &G.win_width, &G.win_height);
//TODO: support dynamic resize?
#endif
signal(SIGINT, record_signo);
ufds[0].fd = STDIN_FILENO;
@@ -684,7 +679,6 @@ int telnet_main(int argc UNUSED_PARAM, char **argv)
len = safe_read(STDIN_FILENO, G.buf, DATABUFSIZE);
if (len <= 0)
doexit(EXIT_SUCCESS);
TRACE(0, ("Read con: %d\n", len));
handle_net_output(len);
}
@@ -694,7 +688,6 @@ int telnet_main(int argc UNUSED_PARAM, char **argv)
full_write1_str("Connection closed by foreign host\r\n");
doexit(EXIT_FAILURE);
}
TRACE(0, ("Read netfd (%d): %d\n", netfd, len));
handle_net_input(len);
}
} /* while (1) */