use write_str() functions where appropriate

function                                             old     new   delta
chat_main                                           1300    1295      -5
finalize_tty_attrs                                    80      70     -10
getty_main                                          1538    1519     -19
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-34)             Total: -34 bytes

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

2 files changed, 5 insertions, 5 deletions

diff --git a/loginutils/getty.c b/loginutils/getty.c
index 99af72f68..6c6d409f4 100644
--- a/loginutils/getty.c
+++ b/loginutils/getty.c
@@ -404,7 +404,7 @@ static void finalize_tty_attrs(void)
         set_tty_attrs();
 
         /* Now the newline character should be properly written */
-        full_write(STDOUT_FILENO, "\n", 1);
+        full_write1_str("\n");
 }
 
 /* extract baud rate from modem status message */
@@ -498,13 +498,13 @@ static char *get_logname(void)
                         case 0x7f:
                                 G.tty_attrs.c_cc[VERASE] = c;
                                 if (bp > G.line_buf) {
-                                        full_write(STDOUT_FILENO, "\010 \010", 3);
+                                        full_write1_str("\010 \010");
                                         bp--;
                                 }
                                 break;
                         case CTL('U'):
                                 while (bp > G.line_buf) {
-                                        full_write(STDOUT_FILENO, "\010 \010", 3);
+                                        full_write1_str("\010 \010");
                                         bp--;
                                 }
                                 break;
diff --git a/miscutils/chat.c b/miscutils/chat.c
index a7faaf284..86a114df6 100644
--- a/miscutils/chat.c
+++ b/miscutils/chat.c
@@ -379,7 +379,7 @@ int chat_main(int argc UNUSED_PARAM, char **argv)
                                         // dump device input if ECHO ON
                                         if (echo) {
 //                                              if (buf[buf_len] < ' ') {
-//                                                      full_write(STDERR_FILENO, "^", 1);
+//                                                      full_write2_str("^");
 //                                                      buf[buf_len] += '@';
 //                                              }
                                                 full_write(STDERR_FILENO, buf+buf_len, 1);
@@ -509,7 +509,7 @@ int chat_main(int argc UNUSED_PARAM, char **argv)
 #if ENABLE_FEATURE_CHAT_IMPLICIT_CR
                                 // or terminate command with \r (if not inhibited)
                                 else if (!nocr)
-                                        xwrite(STDOUT_FILENO, "\r", 1);
+                                        xwrite_str(STDOUT_FILENO, "\r");
 #endif
                                 // bail out unless we sent command successfully
                                 if (exitcode)