reorganize applet table. Eliminates pointers to names.

Should be a big win for libbusybox. busybox wins too:

   text    data     bss     dec     hex filename
 776524     929    9100  786553   c0079 busybox_old
 775903     929    9100  785932   bfe0c busybox_unstripped

1 files changed, 16 insertions, 14 deletions

diff --git a/shell/ash.c b/shell/ash.c
index 8f388f59b..9b9fe5b6d 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -53,7 +53,7 @@
 #if DEBUG
 #define _GNU_SOURCE
 #endif
-#include "busybox.h" /* for struct bb_applet */
+#include "busybox.h" /* for applet_names */
 #include <paths.h>
 #include <setjmp.h>
 #include <fnmatch.h>
@@ -6479,12 +6479,10 @@ tryexec(char *cmd, char **argv, char **envp)
 
 #if ENABLE_FEATURE_SH_STANDALONE
         if (strchr(cmd, '/') == NULL) {
-                const struct bb_applet *a;
-
-                a = find_applet_by_name(cmd);
-                if (a) {
-                        if (a->noexec)
-                                run_appletstruct_and_exit(a, argv);
+                int a = find_applet_by_name(cmd);
+                if (a >= 0) {
+                        if (APPLET_IS_NOEXEC(a))
+                                run_applet_no_and_exit(a, argv);
                         /* re-exec ourselves with the new arguments */
                         execve(bb_busybox_exec_path, argv, envp);
                         /* If they called chroot or otherwise made the binary no longer
@@ -6539,7 +6537,7 @@ shellexec(char **argv, const char *path, int idx)
         envp = environment();
         if (strchr(argv[0], '/')
 #if ENABLE_FEATURE_SH_STANDALONE
-         || find_applet_by_name(argv[0])
+         || find_applet_by_name(argv[0]) >= 0
 #endif
         ) {
                 tryexec(argv[0], argv, envp);
@@ -11117,7 +11115,7 @@ find_command(char *name, struct cmdentry *entry, int act, const char *path)
         }
 
 #if ENABLE_FEATURE_SH_STANDALONE
-        if (find_applet_by_name(name)) {
+        if (find_applet_by_name(name) >= 0) {
                 entry->cmdtype = CMDNORMAL;
                 entry->u.index = -1;
                 return;
@@ -11298,11 +11296,15 @@ helpcmd(int argc, char **argv)
                 }
         }
 #if ENABLE_FEATURE_SH_STANDALONE
-        for (i = 0; i < NUM_APPLETS; i++) {
-                col += out1fmt("%c%s", ((col == 0) ? '\t' : ' '), applets[i].name);
-                if (col > 60) {
-                        out1fmt("\n");
-                        col = 0;
+        {
+                const char *a = applet_names;
+                while (*a) {
+                        col += out1fmt("%c%s", ((col == 0) ? '\t' : ' '), a);
+                        if (col > 60) {
+                                out1fmt("\n");
+                                col = 0;
+                        }
+                        a += strlen(a) + 1;
                 }
         }
 #endif