rework long option handling. saves ~1.2k

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

diff --git a/include/busybox.h b/include/busybox.h
index 8285494ef35fd2a2c55d241b2c8b7d71ef9c6d96..8b3647f57c593a9c342da19b9a6b266c7221d51e 100644 (file)
--- a/include/busybox.h
+++ b/include/busybox.h
@@ -2,120 +2,54 @@
 /*
  * Busybox main internal header file
  *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
- * Permission has been granted to redistribute this code under the GPL.
- *
+ * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
  */
 #ifndef        _BB_INTERNAL_H_
 #define        _BB_INTERNAL_H_    1
 
-#include "config.h"
-
-#include <stdio.h>
-#include <stdarg.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-
-#define BB_BANNER "BusyBox v" BB_VER " (" BB_BT ")"
-
-#ifdef DMALLOC
-#include <dmalloc.h>
-#endif
-
-#include <features.h>
-
-/* Pull in the utility routines from libbb */
 #include "libbb.h"
 
-enum Location {
+#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;
+#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);
-       enum Location location:4;
-       enum SUIDRoot need_suid:4;
-};
-
-/* From busybox.c */
-extern const struct BB_applet applets[];
-
-/* Automagically pull in all the applet function prototypes and
- * applet usage strings.  These are all of the form:
- *             extern int foo_main(int argc, char **argv);
- *             extern const char foo_usage[];
- * These are all autogenerated from the set of currently defined applets. 
- */
-#define PROTOTYPES
-#include "applets.h"
-#undef PROTOTYPES
-
-#ifdef CONFIG_FEATURE_BUFFERS_GO_ON_STACK
-#define RESERVE_CONFIG_BUFFER(buffer,len)           char buffer[len]
-#define RESERVE_CONFIG_UBUFFER(buffer,len) unsigned char buffer[len]
-#define RELEASE_CONFIG_BUFFER(buffer)      ((void)0)
-#else
-#ifdef CONFIG_FEATURE_BUFFERS_GO_IN_BSS
-#define RESERVE_CONFIG_BUFFER(buffer,len)  static          char buffer[len]
-#define RESERVE_CONFIG_UBUFFER(buffer,len) static unsigned char buffer[len]
-#define RELEASE_CONFIG_BUFFER(buffer)      ((void)0)
-#else
-#define RESERVE_CONFIG_BUFFER(buffer,len)           char *buffer=xmalloc(len)
-#define RESERVE_CONFIG_UBUFFER(buffer,len) unsigned char *buffer=xmalloc(len)
-#define RELEASE_CONFIG_BUFFER(buffer)      free (buffer)
-#endif
+#if ENABLE_FEATURE_INSTALLER
+       __extension__ enum bb_install_loc_t install_loc:8;
 #endif
-
-
-/* Bit map related macros -- libc5 doens't provide these... sigh.  */
-#ifndef setbit
-#ifndef NBBY
-#define NBBY            CHAR_BIT
+#if ENABLE_FEATURE_SUID
+       __extension__ enum bb_suid_t need_suid:8;
 #endif
-#define setbit(a,i)     ((a)[(i)/NBBY] |= 1<<((i)%NBBY))
-#define clrbit(a,i)     ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
-#define isset(a,i)      ((a)[(i)/NBBY] & (1<<((i)%NBBY)))
-#define isclr(a,i)      (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
-#endif
-
-#ifndef RB_POWER_OFF
-/* Stop system and switch power off if possible.  */
-#define RB_POWER_OFF   0x4321fedc
+#if ENABLE_FEATURE_PREFER_APPLETS
+       /* true if instead of fork(); exec("applet"); waitpid();
+        * one can do fork(); exit(applet_main(argc,argv)); waitpid(); */
+       unsigned char noexec;
+       /* Even nicer */
+       /* true if instead of fork(); exec("applet"); waitpid();
+        * one can simply call applet_main(argc,argv); */
+       unsigned char nofork;
 #endif
+};
 
-/* Try to pull in PATH_MAX */
-#include <limits.h>
-
-/* for PATH_MAX on systems that don't have it in limits.h */
-#include <sys/param.h>
-#ifndef PATH_MAX
-#define  PATH_MAX         256
-#endif
+/* Defined in applet.c */
+extern const struct bb_applet applets[];
+extern const unsigned short NUM_APPLETS;
 
-#endif                                                 /* _BB_INTERNAL_H_ */
+#endif /* _BB_INTERNAL_H_ */