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telnet: code shrink

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function                                             old     new   delta
telnet_main                                         1519    1515      -4
con_escape                                           296     285     -11

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2013-05-12 02:13:24 +02:00
parent 041baf2720
commit f76fd17d74
1 changed files with 8 additions and 9 deletions
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17
networking/telnet.c
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@ -125,12 +125,10 @@ static void subneg(byte c);
static void iac_flush(void) static void iac_flush(void)
{ {
write(netfd, G.iacbuf, G.iaclen); full_write(netfd, G.iacbuf, G.iaclen);
G.iaclen = 0; G.iaclen = 0;
} }
#define write_str(fd, str) write(fd, str, sizeof(str) - 1)
static void doexit(int ev) NORETURN; static void doexit(int ev) NORETURN;
static void doexit(int ev) static void doexit(int ev)
{ {
@ -145,7 +143,7 @@ static void con_escape(void)
if (bb_got_signal) /* came from line mode... go raw */ if (bb_got_signal) /* came from line mode... go raw */
rawmode(); rawmode();
write_str(1, "\r\nConsole escape. Commands are:\r\n\n" full_write1_str("\r\nConsole escape. Commands are:\r\n\n"
" l go to line mode\r\n" " l go to line mode\r\n"
" c go to character mode\r\n" " c go to character mode\r\n"
" z suspend telnet\r\n" " z suspend telnet\r\n"
@ -176,7 +174,7 @@ static void con_escape(void)
doexit(EXIT_SUCCESS); doexit(EXIT_SUCCESS);
} }
write_str(1, "continuing...\r\n"); full_write1_str("continuing...\r\n");
if (bb_got_signal) if (bb_got_signal)
cookmode(); cookmode();
@ -383,10 +381,11 @@ static void put_iac_naws(byte c, int x, int y)
put_iac(SB); put_iac(SB);
put_iac(c); put_iac(c);
put_iac((x >> 8) & 0xff); /* "... & 0xff" implicitly done below */
put_iac(x & 0xff); put_iac(x >> 8);
put_iac((y >> 8) & 0xff); put_iac(x);
put_iac(y & 0xff); put_iac(y >> 8);
put_iac(y);
put_iac(IAC); put_iac(IAC);
put_iac(SE); put_iac(SE);