*: add -Wunused-parameter; fix resulting breakage

function                                             old     new   delta
procps_scan                                         1265    1298     +33
aliascmd                                             278     283      +5
parse_file_cmd                                       116     120      +4
dname_enc                                            373     377      +4
setcmd                                                90      93      +3
execcmd                                               57      60      +3
count_lines                                           72      74      +2
process_command_subs                                 340     339      -1
test_main                                            409     407      -2
mknod_main                                           179     177      -2
handle_incoming_and_exit                            2653    2651      -2
argstr                                              1312    1310      -2
shiftcmd                                             131     128      -3
exitcmd                                               46      43      -3
dotcmd                                               297     294      -3
breakcmd                                              86      83      -3
evalpipe                                             353     349      -4
evalcommand                                         1180    1176      -4
evalcmd                                              109     105      -4
send_tree                                            374     369      -5
mkfifo_main                                           82      77      -5
evalsubshell                                         152     147      -5
typecmd                                               75      69      -6
letcmd                                                61      55      -6
add_cmd                                             1190    1183      -7
main                                                 891     883      -8
ash_main                                            1415    1407      -8
parse_stream                                        1377    1367     -10
alloc_procps_scan                                     55       -     -55
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 7/21 up/down: 54/-148)          Total: -94 bytes
   text    data     bss     dec     hex filename
 797195     658    7428  805281   c49a1 busybox_old
 797101     658    7428  805187   c4943 busybox_unstripped

1 files changed, 6 insertions, 6 deletions

diff --git a/loginutils/getty.c b/loginutils/getty.c
index 246bb4711..c8c54e3b9 100644
--- a/loginutils/getty.c
+++ b/loginutils/getty.c
@@ -367,7 +367,7 @@ static void auto_baud(char *buf, unsigned size_buf, struct termios *tp)
 }
 
 /* do_prompt - show login prompt, optionally preceded by /etc/issue contents */
-static void do_prompt(struct options *op, struct termios *tp)
+static void do_prompt(struct options *op)
 {
 #ifdef ISSUE
         print_login_issue(op->issue, op->tty);
@@ -390,7 +390,7 @@ static int all_is_upcase(const char *s)
 /* get_logname - get user name, establish parity, speed, erase, kill, eol;
  * return NULL on BREAK, logname on success */
 static char *get_logname(char *logname, unsigned size_logname,
-                struct options *op, struct chardata *cp, struct termios *tp)
+                struct options *op, struct chardata *cp)
 {
         char *bp;
         char c;                         /* input character, full eight bits */
@@ -414,7 +414,7 @@ static char *get_logname(char *logname, unsigned size_logname,
         logname[0] = '\0';
         while (!logname[0]) {
                 /* Write issue file and prompt, with "parity" bit == 0. */
-                do_prompt(op, tp);
+                do_prompt(op);
 
                 /* Read name, watch for break, parity, erase, kill, end-of-line. */
                 bp = logname;
@@ -621,7 +621,7 @@ static void update_utmp(const char *line, char *fakehost)
 #endif /* CONFIG_FEATURE_UTMP */
 
 int getty_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int getty_main(int argc, char **argv)
+int getty_main(int argc ATTRIBUTE_UNUSED, char **argv)
 {
         int n;
         char *fakehost = NULL;          /* Fake hostname for ut_host */
@@ -670,7 +670,7 @@ int getty_main(int argc, char **argv)
 
 #ifdef DEBUGGING
         dbf = xfopen(DEBUGTERM, "w");
-        for (n = 1; n < argc; n++) {
+        for (n = 1; argv[n]; n++) {
                 debug(argv[n]);
                 debug("\n");
         }
@@ -750,7 +750,7 @@ int getty_main(int argc, char **argv)
                         /* Read the login name. */
                         debug("reading login name\n");
                         logname = get_logname(line_buf, sizeof(line_buf),
-                                        &options, &chardata, &termios);
+                                        &options, &chardata);
                         if (logname)
                                 break;
                         /* we are here only if options.numspeed > 1 */