hush: code shrink

function                                             old     new   delta
hush_main                                           1071    1066      -5
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-5)               Total: -5 bytes
   text	   data	    bss	    dec	    hex	filename
1020110	    559	   5020	1025689	  fa699	busybox_old
1020037	    559	   5020	1025616	  fa650	busybox_unstripped

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

1 files changed, 7 insertions, 5 deletions

diff --git a/shell/hush.c b/shell/hush.c
index 65f08659f..77f90f82f 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -10163,7 +10163,8 @@ int hush_main(int argc, char **argv)
         /* http://www.opengroup.org/onlinepubs/9699919799/utilities/sh.html */
         flags = (argv[0] && argv[0][0] == '-') ? OPT_login : 0;
         while (1) {
-                int opt = getopt(argc, argv, "+cexinsl"
+                int opt = getopt(argc, argv, "+" /* stop at 1st non-option */
+                                "cexinsl"
 #if !BB_MMU
                                 "<:$:R:V:"
 # if ENABLE_HUSH_FUNCTIONS
@@ -10255,12 +10256,13 @@ int hush_main(int argc, char **argv)
                 }
 # endif
 #endif
-                case 'n':
-                case 'x':
-                case 'e':
+                /*case '?': invalid option encountered (set_mode('?') will fail) */
+                /*case 'n':*/
+                /*case 'x':*/
+                /*case 'e':*/
+                default:
                         if (set_mode(1, opt, NULL) == 0) /* no error */
                                 break;
-                default:
                         bb_show_usage();
                 }
         } /* option parsing loop */