applet_tables: do not include libbb.h, that header ir for target builds

[oweals/busybox.git] / include / busybox.h

diff --git a/include/busybox.h b/include/busybox.h
index 290ad17f26afa133ca3c24f68f685d9b8486e55d..315ef8f266bec04ff96c673883cb8d73fbbe1899 100644 (file)
--- a/include/busybox.h
+++ b/include/busybox.h
@@ -1,55 +1,61 @@
 /* vi: set sw=4 ts=4: */
 /*
- * Busybox main internal header file
- *
- * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
-#ifndef        _BB_INTERNAL_H_
-#define        _BB_INTERNAL_H_    1
+#ifndef BUSYBOX_H
+#define BUSYBOX_H 1
 
 #include "libbb.h"
+/* BB_DIR_foo and BB_SUID_bar constants: */
+#include "applet_metadata.h"
 
-#if ENABLE_FEATURE_INSTALLER
-/* order matters: used as index into "install_dir[]" in busybox.c */
-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;
+PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
+
+/* Defined in appletlib.c (by including generated applet_tables.h) */
+/* Keep in sync with applets/applet_tables.c! */
+extern const char applet_names[];
+extern int (*const applet_main[])(int argc, char **argv);
+extern const uint16_t applet_nameofs[];
+extern const uint8_t applet_install_loc[];
+
+#if ENABLE_FEATURE_SUID || ENABLE_FEATURE_PREFER_APPLETS
+# define APPLET_NAME(i) (applet_names + (applet_nameofs[i] & 0x0fff))
+#else
+# define APPLET_NAME(i) (applet_names + applet_nameofs[i])
+#endif
+
+#if ENABLE_FEATURE_PREFER_APPLETS
+# define APPLET_IS_NOFORK(i) (applet_nameofs[i] & (1 << 12))
+# define APPLET_IS_NOEXEC(i) (applet_nameofs[i] & (1 << 13))
+#else
+# define APPLET_IS_NOFORK(i) 0
+# define APPLET_IS_NOEXEC(i) 0
 #endif
 
 #if ENABLE_FEATURE_SUID
-typedef enum bb_suid_t {
-       _BB_SUID_NEVER = 0,
-       _BB_SUID_MAYBE,
-       _BB_SUID_ALWAYS
-} bb_suid_t;
+# define APPLET_SUID(i) ((applet_nameofs[i] >> 14) & 0x3)
 #endif
 
-struct bb_applet {
-       const char *name;
-       int (*main) (int argc, char **argv);
 #if ENABLE_FEATURE_INSTALLER
-       __extension__ enum bb_install_loc_t install_loc:8;
+#define APPLET_INSTALL_LOC(i) ({ \
+       unsigned v = (i); \
+       if (v & 1) v = applet_install_loc[v/2] >> 4; \
+       else v = applet_install_loc[v/2] & 0xf; \
+       v; })
 #endif
-#if ENABLE_FEATURE_SUID
-       __extension__ enum bb_suid_t need_suid:8;
+
+
+/* Length of these names has effect on size of libbusybox
+ * and "individual" binaries. Keep them short.
+ */
+#if ENABLE_BUILD_LIBBUSYBOX
+#if ENABLE_FEATURE_SHARED_BUSYBOX
+int lbb_main(char **argv) EXTERNALLY_VISIBLE;
+#else
+int lbb_main(char **argv);
 #endif
-#if ENABLE_FEATURE_PREFER_APPLETS
-       /* true if instead if fork(); exec("applet"); waitpid();
-        * one can do fork(); exit(applet_main(argc,argv)); waitpid(); */
-       unsigned char noexec;
-       /* Even nicer */
-       /* 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 unsigned short NUM_APPLETS;
+POP_SAVED_FUNCTION_VISIBILITY
 
-#endif /* _BB_INTERNAL_H_ */
+#endif