4 files changed, 22 insertions, 9 deletions

diff --git a/shell/ash.c b/shell/ash.c
index 798d15a4c..34f70ecfc 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -43,8 +43,6 @@
 #endif
 
 #include "busybox.h" /* for applet_names */
-//TODO: pull in some .h and find out do we have SINGLE_APPLET_MAIN?
-//#include "applet_tables.h" doesn't work
 #include <paths.h>
 #include <setjmp.h>
 #include <fnmatch.h>
@@ -58,12 +56,15 @@
 # define CLEAR_RANDOM_T(rnd) ((void)0)
 #endif
 
-#if defined SINGLE_APPLET_MAIN
+#define SKIP_definitions 1
+#include "applet_tables.h"
+#undef SKIP_definitions
+#if NUM_APPLETS == 1
 /* STANDALONE does not make sense, and won't compile */
 # undef CONFIG_FEATURE_SH_STANDALONE
 # undef ENABLE_FEATURE_SH_STANDALONE
 # undef IF_FEATURE_SH_STANDALONE
-# undef IF_NOT_FEATURE_SH_STANDALONE(...)
+# undef IF_NOT_FEATURE_SH_STANDALONE
 # define ENABLE_FEATURE_SH_STANDALONE 0
 # define IF_FEATURE_SH_STANDALONE(...)
 # define IF_NOT_FEATURE_SH_STANDALONE(...) __VA_ARGS__
@@ -4539,7 +4540,7 @@ forkchild(struct job *jp, union node *n, int mode)
         if (mode == FORK_NOJOB          /* is it `xxx` ? */
          && n && n->type == NCMD        /* is it single cmd? */
         /* && n->ncmd.args->type == NARG - always true? */
-         && strcmp(n->ncmd.args->narg.text, "trap") == 0
+         && n->ncmd.args && strcmp(n->ncmd.args->narg.text, "trap") == 0
          && n->ncmd.args->narg.next == NULL /* "trap" with no arguments */
         /* && n->ncmd.args->narg.backquote == NULL - do we need to check this? */
         ) {
@@ -4627,7 +4628,7 @@ forkchild(struct job *jp, union node *n, int mode)
         }
 #if JOBS
         if (n && n->type == NCMD
-         && strcmp(n->ncmd.args->narg.text, "jobs") == 0
+         && n->ncmd.args && strcmp(n->ncmd.args->narg.text, "jobs") == 0
         ) {
                 TRACE(("Job hack\n"));
                 /* "jobs": we do not want to clear job list for it,
diff --git a/shell/ash_test/ash-misc/nulltick1.right b/shell/ash_test/ash-misc/nulltick1.right
new file mode 100644
index 000000000..f90b8209e
--- /dev/null
+++ b/shell/ash_test/ash-misc/nulltick1.right
@@ -0,0 +1,3 @@
+Test 1
+Test 2
+Done
diff --git a/shell/ash_test/ash-misc/nulltick1.tests b/shell/ash_test/ash-misc/nulltick1.tests
new file mode 100755
index 000000000..f81923de3
--- /dev/null
+++ b/shell/ash_test/ash-misc/nulltick1.tests
@@ -0,0 +1,3 @@
+echo Test ` ` 1
+echo Test `</dev/null` 2
+echo Done
diff --git a/shell/hush.c b/shell/hush.c
index e0c562621..2aeb8e440 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -125,14 +125,18 @@
 # define USE_FOR_MMU(...)
 #endif
 
-#if defined SINGLE_APPLET_MAIN
+#define SKIP_definitions 1
+#include "applet_tables.h"
+#undef SKIP_definitions
+#if NUM_APPLETS == 1
 /* STANDALONE does not make sense, and won't compile */
 # undef CONFIG_FEATURE_SH_STANDALONE
 # undef ENABLE_FEATURE_SH_STANDALONE
 # undef IF_FEATURE_SH_STANDALONE
+# undef IF_NOT_FEATURE_SH_STANDALONE
+# define ENABLE_FEATURE_SH_STANDALONE 0
 # define IF_FEATURE_SH_STANDALONE(...)
 # define IF_NOT_FEATURE_SH_STANDALONE(...) __VA_ARGS__
-# define ENABLE_FEATURE_SH_STANDALONE 0
 #endif
 
 #if !ENABLE_HUSH_INTERACTIVE
@@ -3568,7 +3572,9 @@ static void execvp_or_die(char **argv)
 {
         debug_printf_exec("execing '%s'\n", argv[0]);
         sigprocmask(SIG_SETMASK, &G.inherited_set, NULL);
-        execvp(argv[0], argv);
+        /* if FEATURE_SH_STANDALONE, "exec <applet_name>" should work,
+         * therefore we should use BB_EXECVP, not execvp */
+        BB_EXECVP(argv[0], argv);
         bb_perror_msg("can't execute '%s'", argv[0]);
         _exit(127); /* bash compat */
 }