bbconfig: make it independent from printf functions

function                                             old     new   delta
full_write2_str                                        -      25     +25
full_write1_str                                        -      25     +25
clear_main                                            21      20      -1
telnet_main                                         1488    1477     -11
getty_main                                          1932    1918     -14
full_write22_str                                      25       -     -25
------------------------------------------------------------------------------
(add/remove: 2/1 grow/shrink: 0/3 up/down: 50/-51)             Total: -1 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/networking/telnet.c b/networking/telnet.c
index ec3db0c5e..57997f6b9 100644
--- a/networking/telnet.c
+++ b/networking/telnet.c
@@ -418,7 +418,7 @@ static void to_echo(void)
                 put_iac2(DONT, TELOPT_ECHO);
 
         setConMode();
-        write_str(1, "\r\n");  /* sudden modec */
+        full_write1_str("\r\n");  /* sudden modec */
 }
 
 static void to_sga(void)
@@ -637,7 +637,7 @@ int telnet_main(int argc UNUSED_PARAM, char **argv)
                         {
                                 len = safe_read(netfd, G.buf, DATABUFSIZE);
                                 if (len <= 0) {
-                                        write_str(1, "Connection closed by foreign host\r\n");
+                                        full_write1_str("Connection closed by foreign host\r\n");
                                         doexit(EXIT_FAILURE);
                                 }
                                 TRACE(0, ("Read netfd (%d): %d\n", netfd, len));