hush: fix hush-misc/break5.tests NOMMU failure

function                                             old     new   delta
hush_main                                           1118    1144     +26
re_execute_shell                                     188     204     +16
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/0 up/down: 42/0)               Total: 42 bytes

diff --git a/shell/hush.c b/shell/hush.c
index 13e962383873e6736c7d45dd037ea2b9bc5d6772..3388ad7f9cfc43c5228fe1c94c5eeffad1a06abf 100644 (file)
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -2345,8 +2345,8 @@ static void re_execute_shell(const char *s)
        char **argv, **pp;
        unsigned cnt;
 
-       /* hush -$<pid> -?<exitcode> ... -c <cmd> NULL */
-       cnt = 6;
+       /* hush -$<pid> -?<exitcode> -D<depth> ... -c <cmd> NULL */
+       cnt = 7;
        for (cur = G.top_var; cur; cur = cur->next) {
                if (!cur->flg_export || cur->flg_read_only)
                        cnt += 2;
@@ -2356,6 +2356,7 @@ static void re_execute_shell(const char *s)
        *pp++ = (char *) applet_name;
        *pp++ = xasprintf("-$%u", G.root_pid);
        *pp++ = xasprintf("-?%u", G.last_return_code);
+       *pp++ = xasprintf("-D%u", G.depth_of_loop);
        for (cur = G.top_var; cur; cur = cur->next) {
                if (cur->varstr == hush_version_str)
                        continue;
@@ -5009,7 +5010,7 @@ int hush_main(int argc, char **argv)
        while (1) {
                opt = getopt(argc, argv, "c:xins"
 #if !BB_MMU
-                               "$:?:R:V:"
+                               "$:?:D:R:V:"
 #endif
                );
                if (opt <= 0)
@@ -5041,6 +5042,9 @@ int hush_main(int argc, char **argv)
                case '?':
                        G.last_return_code = xatoi_u(optarg);
                        break;
+               case 'D':
+                       G.depth_of_loop = xatoi_u(optarg);
+                       break;
                case 'R':
                case 'V':
                        set_local_var(xstrdup(optarg), 0, opt == 'R');