*: intrduce and use safe_gethostname. By Tito <farmatito AT tiscali.it>

safe_gethostname                                       -      48     +48
glob3                                                 35      37      +2
timestamp_and_log                                    314     315      +1
udhcp_send_kernel_packet                             234     231      -3
scan_tree                                            275     271      -4
passwd_main                                         1074    1070      -4
print_login_prompt                                    68      58     -10
obscure                                              392     377     -15
syslogd_main                                         882     866     -16
print_login_issue                                    516     478     -38
hostname_main                                        278     223     -55
parse_and_put_prompt                                 825     756     -69
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 2/9 up/down: 51/-214)          Total: -163 bytes
   text    data     bss     dec     hex filename
 798791     728    7484  807003   c505b busybox_old
 798631     728    7484  806843   c4fbb busybox_unstripped

1 files changed, 5 insertions, 9 deletions

diff --git a/libbb/login.c b/libbb/login.c
index d1f5d6498..a711a5437 100644
--- a/libbb/login.c
+++ b/libbb/login.c
@@ -50,6 +50,7 @@ void print_login_issue(const char *issue_file, const char *tty)
                                 outbuf = uts.sysname;
                                 break;
                         case 'n':
+                        case 'h':
                                 outbuf = uts.nodename;
                                 break;
                         case 'r':
@@ -72,10 +73,6 @@ void print_login_issue(const char *issue_file, const char *tty)
                         case 't':
                                 strftime(buf, sizeof(buf), fmtstr_t, localtime(&t));
                                 break;
-                        case 'h':
-                                gethostname(buf, sizeof(buf) - 1);
-                                buf[sizeof(buf) - 1] = '\0';
-                                break;
                         case 'l':
                                 outbuf = tty;
                                 break;
@@ -91,13 +88,12 @@ void print_login_issue(const char *issue_file, const char *tty)
 
 void print_login_prompt(void)
 {
-        char buf[MAXHOSTNAMELEN+1];
-
-        if (gethostname(buf, MAXHOSTNAMELEN) == 0)
-                fputs(buf, stdout);
-
+        char *hostname = safe_gethostname();
+        
+        fputs(hostname, stdout);
         fputs(LOGIN, stdout);
         fflush(stdout);
+        free(hostname);
 }
 
 /* Clear dangerous stuff, set PATH */