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authorDenys Vlasenko <vda.linux@googlemail.com>2018-04-07 15:02:20 +0200
committerDenys Vlasenko <vda.linux@googlemail.com>2018-04-07 15:02:20 +0200
commit2f094ae82106e91cb210e79ddc2e5285377b549e (patch)
treec76bacf7490a92aceda4113acc98bb9da45cd864
parente0afe0a9fd610b1972fdaa444ca39af0b0be6ec4 (diff)
downloadbusybox-2f094ae82106e91cb210e79ddc2e5285377b549e.tar.gz
telnet: move winsize detection closer to I/O loop, delete non-functioning debug code
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rw-r--r--libbb/bb_askpass.c12
-rw-r--r--networking/telnet.c17
2 files changed, 6 insertions, 23 deletions
diff --git a/libbb/bb_askpass.c b/libbb/bb_askpass.c
index aae35ec41..5599c82ef 100644
--- a/libbb/bb_askpass.c
+++ b/libbb/bb_askpass.c
@@ -37,15 +37,6 @@ char* FAST_FUNC bb_ask(const int fd, int timeout, const char *prompt)
tcgetattr(fd, &oldtio);
tio = oldtio;
-#if 0
- /* Switch off UPPERCASE->lowercase conversion (never used since 198x)
- * and XON/XOFF (why we want to mess with this??)
- */
-# ifndef IUCLC
-# define IUCLC 0
-# endif
- tio.c_iflag &= ~(IUCLC|IXON|IXOFF|IXANY);
-#endif
/* Switch off echo */
tio.c_lflag &= ~(ECHO|ECHOE|ECHOK|ECHONL);
tcsetattr(fd, TCSANOW, &tio);
@@ -66,9 +57,8 @@ char* FAST_FUNC bb_ask(const int fd, int timeout, const char *prompt)
while (1) {
int r = read(fd, &ret[i], 1);
if ((i == 0 && r == 0) /* EOF (^D) with no password */
- || r < 0
+ || r < 0 /* read is interrupted by timeout or ^C */
) {
- /* read is interrupted by timeout or ^C */
ret = NULL;
break;
}
diff --git a/networking/telnet.c b/networking/telnet.c
index 8b0df7f5c..15d6a08d8 100644
--- a/networking/telnet.c
+++ b/networking/telnet.c
@@ -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) */