3 files changed, 30 insertions, 20 deletions

diff --git a/include/applets.h b/include/applets.h
index b59d33183..d05299b69 100644
--- a/include/applets.h
+++ b/include/applets.h
@@ -52,12 +52,12 @@ s     - suid type:
 # define APPLET_NOFORK(name,main,l,s,name2)  LINK l name
 
 #else
-  const struct BB_applet applets[] = { /*    name,main,location,need_suid */
-# define APPLET(name,l,s)                    {#name,name##_main,l,s},
-# define APPLET_NOUSAGE(name,main,l,s)       {#name,main##_main,l,s},
-# define APPLET_ODDNAME(name,main,l,s,name2) {#name,main##_main,l,s},
-# define APPLET_NOEXEC(name,main,l,s,name2)  {#name,main##_main,l,s,1},
-# define APPLET_NOFORK(name,main,l,s,name2)  {#name,main##_main,l,s,1,1},
+  const struct bb_applet applets[] = { /*    name, main, location, need_suid */
+# define APPLET(name,l,s)                    { #name, name##_main USE_FEATURE_INSTALLER(,l) USE_FEATURE_SUID(,s) },
+# define APPLET_NOUSAGE(name,main,l,s)       { #name, main##_main USE_FEATURE_INSTALLER(,l) USE_FEATURE_SUID(,s) },
+# define APPLET_ODDNAME(name,main,l,s,name2) { #name, main##_main USE_FEATURE_INSTALLER(,l) USE_FEATURE_SUID(,s) },
+# define APPLET_NOEXEC(name,main,l,s,name2)  { #name, main##_main USE_FEATURE_INSTALLER(,l) USE_FEATURE_SUID(,s) USE_FEATURE_EXEC_PREFER_APPLETS(,1) },
+# define APPLET_NOFORK(name,main,l,s,name2)  { #name, main##_main USE_FEATURE_INSTALLER(,l) USE_FEATURE_SUID(,s) USE_FEATURE_EXEC_PREFER_APPLETS(,1 ,1) },
 #endif
 
 #if ENABLE_INSTALL_NO_USR
@@ -355,7 +355,7 @@ USE_GUNZIP(APPLET_ODDNAME(zcat, gunzip, _BB_DIR_BIN, _BB_SUID_NEVER, zcat))
 USE_ZCIP(APPLET(zcip, _BB_DIR_SBIN, _BB_SUID_NEVER))
 
 #if !defined(PROTOTYPES) && !defined(MAKE_USAGE)
-        { 0, NULL, 0, 0 }
+        { NULL }
 };
 #endif
 
diff --git a/include/busybox.h b/include/busybox.h
index 6f4808778..380de9ab8 100644
--- a/include/busybox.h
+++ b/include/busybox.h
@@ -9,26 +9,35 @@
 
 #include "libbb.h"
 
+#if ENABLE_FEATURE_INSTALLER
 /* order matters: used as index into "install_dir[]" in busybox.c */
-enum Location {
+typedef enum bb_install_loc_t {
         _BB_DIR_ROOT = 0,
         _BB_DIR_BIN,
         _BB_DIR_SBIN,
         _BB_DIR_USR_BIN,
         _BB_DIR_USR_SBIN
-};
+} bb_install_loc_t;
+#endif
 
-enum SUIDRoot {
+#if ENABLE_FEATURE_SUID
+typedef enum bb_suid_t {
         _BB_SUID_NEVER = 0,
         _BB_SUID_MAYBE,
         _BB_SUID_ALWAYS
-};
+} bb_suid_t;
+#endif
 
-struct BB_applet {
+struct bb_applet {
         const char *name;
         int (*main) (int argc, char **argv);
-        __extension__ enum Location location:8;
-        __extension__ enum SUIDRoot need_suid:8;
+#if ENABLE_FEATURE_INSTALLER
+        __extension__ enum bb_install_loc_t install_loc:8;
+#endif
+#if ENABLE_FEATURE_SUID
+        __extension__ enum bb_suid_t need_suid:8;
+#endif
+#if ENABLE_FEATURE_EXEC_PREFER_APPLETS
         /* true if instead if fork(); exec("applet"); waitpid();
          * one can do fork(); exit(applet_main(argc,argv)); waitpid(); */
         unsigned char noexec;
@@ -36,10 +45,11 @@ struct BB_applet {
         /* true if instead if fork(); exec("applet"); waitpid();
          * one can simply call applet_main(argc,argv); */
         unsigned char nofork;
+#endif
 };
 
 /* Defined in applet.c */
-extern const struct BB_applet applets[];
+extern const struct bb_applet applets[];
 extern const unsigned short NUM_APPLETS;
 
 #endif  /* _BB_INTERNAL_H_ */
diff --git a/include/libbb.h b/include/libbb.h
index 3919524bc..6fff441c5 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -608,7 +608,7 @@ llist_t *llist_rev(llist_t *list);
 int write_pidfile(const char *path);
 #define remove_pidfile(f) ((void)unlink(f))
 #else
-#define write_pidfile(f)  1
+#define write_pidfile(f)  TRUE
 #define remove_pidfile(f) ((void)0)
 #endif
 
@@ -623,7 +623,7 @@ extern smallint logmode;
 extern int die_sleep;
 extern int xfunc_error_retval;
 extern jmp_buf die_jmp;
-extern void sleep_and_die(void) ATTRIBUTE_NORETURN;
+extern void xfunc_die(void) ATTRIBUTE_NORETURN;
 extern void bb_show_usage(void) ATTRIBUTE_NORETURN ATTRIBUTE_EXTERNALLY_VISIBLE;
 extern void bb_error_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
 extern void bb_error_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
@@ -670,8 +670,8 @@ const struct hwtype *get_hwntype(int type);
 
 
 #ifndef BUILD_INDIVIDUAL
-struct BB_applet;
-extern const struct BB_applet *find_applet_by_name(const char *name);
+struct bb_applet;
+extern const struct bb_applet *find_applet_by_name(const char *name);
 /* Returns only if applet is not found. */
 extern void run_applet_by_name(const char *name, int argc, char **argv);
 extern void run_current_applet_and_exit(int argc, char **argv) ATTRIBUTE_NORETURN;
@@ -880,7 +880,7 @@ enum {	/* DO NOT CHANGE THESE VALUES!  cp.c, mv.c, install.c depend on them. */
 };
 
 #define FILEUTILS_CP_OPTSTR "pdRfils" USE_SELINUX("c")
-extern const struct BB_applet *current_applet;
+extern const struct bb_applet *current_applet;
 extern const char *applet_name;
 extern const char BB_BANNER[];