massively reduce the number of forks that busybox ash has to do while processing our scripts this is accomplished simply by changing the order in which it looks for builtins and applets

SVN-Revision: 7815

package/busybox/patches/270-ash_performance.patch

@@ -0,0 +1,30 @@
+Index: busybox-1.4.2/shell/ash.c
+===================================================================
+--- busybox-1.4.2.orig/shell/ash.c	2007-07-01 05:33:08.371737750 +0200
++++ busybox-1.4.2/shell/ash.c	2007-07-01 05:33:11.703946000 +0200
+@@ -3957,12 +3957,6 @@
+ 	}
+ #endif
+ 
+-	if (is_safe_applet(name)) {
+-		entry->cmdtype = CMDNORMAL;
+-		entry->u.index = -1;
+-		return;
+-	}
+-
+ 	updatetbl = (path == pathval());
+ 	if (!updatetbl) {
+ 		act |= DO_ALTPATH;
+@@ -4074,6 +4068,12 @@
+ 		goto success;
+ 	}
+ 
++	if (is_safe_applet(name)) {
++		entry->cmdtype = CMDNORMAL;
++		entry->u.index = -1;
++		return;
++	}
++
+ 	/* We failed.  If there was an entry for this command, delete it */
+ 	if (cmdp && updatetbl)
+ 		delete_cmd_entry();