ash,hush: allow builtins to be tab-completed, closes 7532

function                                             old     new   delta
complete_cmd_dir_file                                678     830    +152
get_builtin_name                                       -      35     +35
optschanged                                          125     132      +7
hush_main                                           1069    1076      +7
save_command_ps_at_cur_history                        76      78      +2
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 4/0 up/down: 203/0)             Total: 203 bytes

Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 14 insertions, 3 deletions

diff --git a/libbb/lineedit.c b/libbb/lineedit.c
index b1ec52b88..de236dea0 100644
--- a/libbb/lineedit.c
+++ b/libbb/lineedit.c
@@ -813,18 +813,29 @@ static NOINLINE unsigned complete_cmd_dir_file(const char *command, int type)
         }
         pf_len = strlen(pfind);
 
-# if ENABLE_FEATURE_SH_STANDALONE && NUM_APPLETS != 1
         if (type == FIND_EXE_ONLY && !dirbuf) {
+# if ENABLE_FEATURE_SH_STANDALONE && NUM_APPLETS != 1
                 const char *p = applet_names;
-
                 while (*p) {
                         if (strncmp(pfind, p, pf_len) == 0)
                                 add_match(xstrdup(p));
                         while (*p++ != '\0')
                                 continue;
                 }
-        }
 # endif
+# if EDITING_HAS_get_exe_name
+                if (state->get_exe_name) {
+                        i = 0;
+                        for (;;) {
+                                const char *b = state->get_exe_name(i++);
+                                if (!b)
+                                        break;
+                                if (strncmp(pfind, b, pf_len) == 0)
+                                        add_match(xstrdup(b));
+                        }
+                }
+# endif
+        }
 
         for (i = 0; i < npaths; i++) {
                 DIR *dir;