*: fix fallout from -Wunused-parameter

function                                             old     new   delta
bbunpack                                             358     366      +8
passwd_main                                         1070    1072      +2
handle_incoming_and_exit                            2651    2653      +2
getpty                                                88      86      -2
script_main                                          975     972      -3
inetd_main                                          2036    2033      -3
dname_enc                                            377     373      -4
make_new_session                                     474     462     -12
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/5 up/down: 12/-24)            Total: -12 bytes
   text    data     bss     dec     hex filename
 797429     658    7428  805515   c4a8b busybox_old
 797417     658    7428  805503   c4a7f busybox_unstripped

2 files changed, 17 insertions, 5 deletions

diff --git a/shell/ash.c b/shell/ash.c
index 580918ceb..d9ce202fd 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -3247,6 +3247,9 @@ static pid_t backgndpid;        /* pid of last background process */
 static smallint job_warning;    /* user was warned about stopped jobs (can be 2, 1 or 0). */
 
 static struct job *makejob(/*union node *,*/ int);
+#if !JOBS
+#define forkshell(job, node, mode) forkshell(job, mode)
+#endif
 static int forkshell(struct job *, union node *, int);
 static int waitforjob(struct job *);
 
@@ -3424,6 +3427,9 @@ jobno(const struct job *jp)
 /*
  * Convert a job name to a job structure.
  */
+#if !JOBS
+#define getjob(name, getctl) getjob(name)
+#endif
 static struct job *
 getjob(const char *name, int getctl)
 {
@@ -4533,6 +4539,9 @@ forkchild(struct job *jp, /*union node *n,*/ int mode)
 }
 
 /* Called after fork(), in parent */
+#if !JOBS
+#define forkparent(jp, n, mode, pid) forkparent(jp, mode, pid)
+#endif
 static void
 forkparent(struct job *jp, union node *n, int mode, pid_t pid)
 {
@@ -8674,8 +8683,8 @@ preadfd(void)
         char *buf =  parsefile->buf;
         parsenextc = buf;
 
- retry:
 #if ENABLE_FEATURE_EDITING
+ retry:
         if (!iflag || parsefile->fd)
                 nr = nonblock_safe_read(parsefile->fd, buf, BUFSIZ - 1);
         else {
@@ -8876,8 +8885,11 @@ pungetc(void)
  * Push a string back onto the input at this current parsefile level.
  * We handle aliases this way.
  */
+#if !ENABLE_ASH_ALIAS
+#define pushstring(s, ap) pushstring(s)
+#endif
 static void
-pushstring(char *s, void *ap)
+pushstring(char *s, struct alias *ap)
 {
         struct strpush *sp;
         size_t len;
@@ -8894,9 +8906,9 @@ pushstring(char *s, void *ap)
         sp->prevstring = parsenextc;
         sp->prevnleft = parsenleft;
 #if ENABLE_ASH_ALIAS
-        sp->ap = (struct alias *)ap;
+        sp->ap = ap;
         if (ap) {
-                ((struct alias *)ap)->flag |= ALIASINUSE;
+                ap->flag |= ALIASINUSE;
                 sp->string = s;
         }
 #endif
diff --git a/shell/cttyhack.c b/shell/cttyhack.c
index 404181720..bbe514933 100644
--- a/shell/cttyhack.c
+++ b/shell/cttyhack.c
@@ -38,7 +38,7 @@ struct serial_struct {
 };
 
 int cttyhack_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int cttyhack_main(int argc, char **argv)
+int cttyhack_main(int argc ATTRIBUTE_UNUSED, char **argv)
 {
         int fd;
         char console[sizeof(int)*3 + 16];