Diff of /trunk/mkinitrd-magellan/busybox/include/busybox.h

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	revision 815 by niro, Sat Sep 1 22:45:15 2007 UTC	revision 816 by niro, Fri Apr 24 18:33:46 2009 UTC
#	Line 9	Line 9
9
10	#include "libbb.h"	#include "libbb.h"
11
12	/* order matters: used as index into "install_dir[]" in busybox.c */	#if __GNUC_PREREQ(4,1)
13	enum Location {	# pragma GCC visibility push(hidden)
14		#endif
15
16		/* order matters: used as index into "install_dir[]" in appletlib.c */
17		typedef enum bb_install_loc_t {
18	_BB_DIR_ROOT = 0,	_BB_DIR_ROOT = 0,
19	_BB_DIR_BIN,	_BB_DIR_BIN,
20	_BB_DIR_SBIN,	_BB_DIR_SBIN,
21	_BB_DIR_USR_BIN,	_BB_DIR_USR_BIN,
22	_BB_DIR_USR_SBIN	_BB_DIR_USR_SBIN
23	};	} bb_install_loc_t;
24
25	enum SUIDRoot {	typedef enum bb_suid_t {
26	_BB_SUID_NEVER = 0,	_BB_SUID_NEVER = 0,
27	_BB_SUID_MAYBE,	_BB_SUID_MAYBE,
28	_BB_SUID_ALWAYS	_BB_SUID_ALWAYS
29	};	} bb_suid_t;
30
31
32		/* Defined in appletlib.c (by including generated applet_tables.h) */
33		/* Keep in sync with applets/applet_tables.c! */
34		extern const char applet_names[];
35		extern int (*const applet_main[])(int argc, char **argv);
36		extern const uint16_t applet_nameofs[];
37		extern const uint8_t applet_install_loc[];
38
39		#if ENABLE_FEATURE_SUID || ENABLE_FEATURE_PREFER_APPLETS
40		#define APPLET_NAME(i) (applet_names + (applet_nameofs[i] & 0x0fff))
41		#else
42		#define APPLET_NAME(i) (applet_names + applet_nameofs[i])
43		#endif
44
45		#if ENABLE_FEATURE_PREFER_APPLETS
46		#define APPLET_IS_NOFORK(i) (applet_nameofs[i] & (1 << 12))
47		#define APPLET_IS_NOEXEC(i) (applet_nameofs[i] & (1 << 13))
48		#endif
49
50		#if ENABLE_FEATURE_SUID
51		#define APPLET_SUID(i) ((applet_nameofs[i] >> 14) & 0x3)
52		#endif
53
54		#if ENABLE_FEATURE_INSTALLER
55		#define APPLET_INSTALL_LOC(i) ({ \
56		unsigned v = (i); \
57		if (v & 1) v = applet_install_loc[v/2] >> 4; \
58		else v = applet_install_loc[v/2] & 0xf; \
59		v; })
60		#endif
61
62
63	struct BB_applet {	/* Length of these names has effect on size of libbusybox
64	const char *name;	* and "individual" binaries. Keep them short.
	int (*main) (int argc, char **argv);
	__extension__ enum Location location:4;
	__extension__ enum SUIDRoot need_suid:4;
	};
	/* From busybox.c and applet.c */
	extern int busybox_main(int argc, char **argv);
	extern const struct BB_applet applets[];
	extern const unsigned short NUM_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.
65	*/	*/
66	#define PROTOTYPES	#if ENABLE_BUILD_LIBBUSYBOX
67	#include "applets.h"	#if ENABLE_FEATURE_SHARED_BUSYBOX
68	#undef PROTOTYPES	int lbb_main(char **argv) EXTERNALLY_VISIBLE;
69		#else
70		int lbb_main(char **argv);
71		#endif
72		#endif
73
74		#if __GNUC_PREREQ(4,1)
75		# pragma GCC visibility pop
76		#endif
77
78	#endif /* _BB_INTERNAL_H_ */	#endif /* _BB_INTERNAL_H_ */

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