ash,hush: history builtin

function                                             old     new   delta
show_history                                           -      39     +39
builtin_history                                        -      16     +16
historycmd                                             -      13     +13
bltins1                                              312     324     +12
builtintab                                           336     344      +8
popstring                                            134     140      +6
hush_main                                           1048    1046      -2
ash_main                                            1398    1396      -2
size_from_HISTFILESIZE                                44      40      -4
------------------------------------------------------------------------------
(add/remove: 3/0 grow/shrink: 3/3 up/down: 94/-8)              Total: 86 bytes

Signed-off-by: Flemming Madsen <busybox@themadsens.dk>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/shell/hush.c b/shell/hush.c
index 1d421dc38..7cebe1784 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -850,6 +850,9 @@ static int builtin_jobs(char **argv) FAST_FUNC;
 #if ENABLE_HUSH_HELP
 static int builtin_help(char **argv) FAST_FUNC;
 #endif
+#if MAX_HISTORY
+static int builtin_history(char **argv) FAST_FUNC;
+#endif
 #if ENABLE_HUSH_LOCAL
 static int builtin_local(char **argv) FAST_FUNC;
 #endif
@@ -919,6 +922,9 @@ static const struct built_in_command bltins1[] = {
 #if ENABLE_HUSH_HELP
         BLTIN("help"     , builtin_help    , NULL),
 #endif
+#if MAX_HISTORY
+        BLTIN("history"  , builtin_history , "Show command history"),
+#endif
 #if ENABLE_HUSH_JOB
         BLTIN("jobs"     , builtin_jobs    , "List jobs"),
 #endif
@@ -8627,6 +8633,14 @@ static int FAST_FUNC builtin_help(char **argv UNUSED_PARAM)
 }
 #endif
 
+#if MAX_HISTORY
+static int FAST_FUNC builtin_history(char **argv UNUSED_PARAM)
+{
+        show_history(G.line_input_state);
+        return EXIT_SUCCESS;
+}
+#endif
+
 #if ENABLE_HUSH_JOB
 static int FAST_FUNC builtin_jobs(char **argv UNUSED_PARAM)
 {