1 /* vi: set sw=4 ts=4: */
3 * Busybox main internal header file
5 * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
6 * Permission has been granted to redistribute this code under the GPL.
8 * Licensed under the GPL version 2, see the file LICENSE in this tarball.
10 #ifndef __LIBBUSYBOX_H__
11 #define __LIBBUSYBOX_H__ 1
30 #include <sys/ioctl.h>
32 #include <sys/socket.h>
34 #include <sys/statfs.h>
36 #include <sys/types.h>
42 /* Try to pull in PATH_MAX */
44 #include <sys/param.h>
50 #include <selinux/selinux.h>
51 #include <selinux/context.h>
52 #include <selinux/flask.h>
53 #include <selinux/av_permissions.h>
56 #if ENABLE_LOCALE_SUPPORT
59 #define setlocale(x,y) ((void)0)
64 /* ifdef it out, because it may include <shadow.h> */
65 /* and we may not even _have_ <shadow.h>! */
66 #if ENABLE_FEATURE_SHADOWPASSWDS
70 #if defined(__GLIBC__) && __GLIBC__ < 2
71 int vdprintf(int d, const char *format, va_list ap);
73 /* klogctl is in libc's klog.h, but we cheat and not #include that */
74 int klogctl(int type, char *b, int len);
75 /* This is declared here rather than #including <libgen.h> in order to avoid
76 * confusing the two versions of basename. See the dirname/basename man page
78 char *dirname(char *path);
79 /* Include our own copy of struct sysinfo to avoid binary compatibility
80 * problems with Linux 2.4, which changed things. Grumble, grumble. */
82 long uptime; /* Seconds since boot */
83 unsigned long loads[3]; /* 1, 5, and 15 minute load averages */
84 unsigned long totalram; /* Total usable main memory size */
85 unsigned long freeram; /* Available memory size */
86 unsigned long sharedram; /* Amount of shared memory */
87 unsigned long bufferram; /* Memory used by buffers */
88 unsigned long totalswap; /* Total swap space size */
89 unsigned long freeswap; /* swap space still available */
90 unsigned short procs; /* Number of current processes */
91 unsigned short pad; /* Padding needed for m68k */
92 unsigned long totalhigh; /* Total high memory size */
93 unsigned long freehigh; /* Available high memory size */
94 unsigned int mem_unit; /* Memory unit size in bytes */
95 char _f[20 - 2*sizeof(long) - sizeof(int)]; /* Padding: libc5 uses this.. */
97 int sysinfo(struct sysinfo* info);
100 /* Tested to work correctly with all int types (IIRC :]) */
101 #define MAXINT(T) (T)( \
104 : (T)~((T)1 << (sizeof(T)*8-1)) \
107 #define MININT(T) (T)( \
110 : ((T)1 << (sizeof(T)*8-1)) \
113 /* Large file support */
114 /* Note that CONFIG_LFS=y forces bbox to be built with all common ops
115 * (stat, lseek etc) mapped to "largefile" variants by libc.
116 * Practically it means that open() automatically has O_LARGEFILE added
117 * and all filesize/file_offset parameters and struct members are "large"
118 * (in today's world - signed 64bit). For full support of large files,
119 * we need a few helper #defines (below) and careful use of off_t
120 * instead of int/ssize_t. No lseek64(), O_LARGEFILE etc necessary */
122 /* CONFIG_LFS is on */
123 # if ULONG_MAX > 0xffffffff
124 /* "long" is long enough on this system */
125 # define XATOOFF(a) xatoul_range(a, 0, LONG_MAX)
126 /* usage: sz = BB_STRTOOFF(s, NULL, 10); if (errno || sz < 0) die(); */
127 # define BB_STRTOOFF bb_strtoul
128 # define STRTOOFF strtoul
129 /* usage: printf("size: %"OFF_FMT"d (%"OFF_FMT"x)\n", sz, sz); */
132 /* "long" is too short, need "long long" */
133 # define XATOOFF(a) xatoull_range(a, 0, LLONG_MAX)
134 # define BB_STRTOOFF bb_strtoull
135 # define STRTOOFF strtoull
136 # define OFF_FMT "ll"
139 /* CONFIG_LFS is off */
140 # if UINT_MAX == 0xffffffff
141 /* While sizeof(off_t) == sizeof(int), off_t is typedef'ed to long anyway.
142 * gcc will throw warnings on printf("%d", off_t). Crap... */
143 # define XATOOFF(a) xatoi_u(a)
144 # define BB_STRTOOFF bb_strtou
145 # define STRTOOFF strtol
148 # define XATOOFF(a) xatoul_range(a, 0, LONG_MAX)
149 # define BB_STRTOOFF bb_strtoul
150 # define STRTOOFF strtol
154 /* scary. better ideas? (but do *test* them first!) */
155 #define OFF_T_MAX ((off_t)~((off_t)1 << (sizeof(off_t)*8-1)))
157 /* Some useful definitions */
159 #define FALSE ((int) 0)
161 #define TRUE ((int) 1)
163 #define SKIP ((int) 2)
166 #define MTAB_GETMOUNTPT '1'
167 #define MTAB_GETDEVICE '2'
169 #define BUF_SIZE 8192
170 #define EXPAND_ALLOC 1024
172 /* Macros for min/max. */
174 #define MIN(a,b) (((a)<(b))?(a):(b))
178 #define MAX(a,b) (((a)>(b))?(a):(b))
181 /* buffer allocation schemes */
182 #if ENABLE_FEATURE_BUFFERS_GO_ON_STACK
183 #define RESERVE_CONFIG_BUFFER(buffer,len) char buffer[len]
184 #define RESERVE_CONFIG_UBUFFER(buffer,len) unsigned char buffer[len]
185 #define RELEASE_CONFIG_BUFFER(buffer) ((void)0)
187 #if ENABLE_FEATURE_BUFFERS_GO_IN_BSS
188 #define RESERVE_CONFIG_BUFFER(buffer,len) static char buffer[len]
189 #define RESERVE_CONFIG_UBUFFER(buffer,len) static unsigned char buffer[len]
190 #define RELEASE_CONFIG_BUFFER(buffer) ((void)0)
192 #define RESERVE_CONFIG_BUFFER(buffer,len) char *buffer = xmalloc(len)
193 #define RESERVE_CONFIG_UBUFFER(buffer,len) unsigned char *buffer = xmalloc(len)
194 #define RELEASE_CONFIG_BUFFER(buffer) free(buffer)
198 #if defined(__GLIBC__)
199 /* glibc uses __errno_location() to get a ptr to errno */
200 /* We can just memorize it once - no multithreading in busybox :) */
201 extern int *const bb_errno;
203 #define errno (*bb_errno)
206 unsigned long long monotonic_us(void);
207 unsigned monotonic_sec(void);
209 extern void chomp(char *s);
210 extern void trim(char *s);
211 extern char *skip_whitespace(const char *);
212 extern char *skip_non_whitespace(const char *);
214 //TODO: supply a pointer to char[11] buffer (avoid statics)?
215 extern const char *bb_mode_string(mode_t mode);
216 extern int is_directory(const char *name, int followLinks, struct stat *statBuf);
217 extern int remove_file(const char *path, int flags);
218 extern int copy_file(const char *source, const char *dest, int flags);
220 ACTION_RECURSE = (1 << 0),
221 ACTION_FOLLOWLINKS = (1 << 1),
222 ACTION_FOLLOWLINKS_L0 = (1 << 2),
223 ACTION_DEPTHFIRST = (1 << 3),
224 /*ACTION_REVERSE = (1 << 4), - unused */
226 extern int recursive_action(const char *fileName, unsigned flags,
227 int (*fileAction) (const char *fileName, struct stat* statbuf, void* userData, int depth),
228 int (*dirAction) (const char *fileName, struct stat* statbuf, void* userData, int depth),
229 void* userData, unsigned depth);
230 extern int device_open(const char *device, int mode);
231 extern int get_console_fd(void);
232 extern char *find_block_device(const char *path);
233 /* bb_copyfd_XX print read/write errors and return -1 if they occur */
234 extern off_t bb_copyfd_eof(int fd1, int fd2);
235 extern off_t bb_copyfd_size(int fd1, int fd2, off_t size);
236 extern void bb_copyfd_exact_size(int fd1, int fd2, off_t size);
237 /* "short" copy can be detected by return value < size */
238 /* this helper yells "short read!" if param is not -1 */
239 extern void complain_copyfd_and_die(off_t sz) ATTRIBUTE_NORETURN;
240 extern char bb_process_escape_sequence(const char **ptr);
241 /* xxxx_strip version can modify its parameter:
245 * "abc/def/" -> "def" !!
247 extern char *bb_get_last_path_component_strip(char *path);
248 /* "abc/def/" -> "" and it never modifies 'path' */
249 extern char *bb_get_last_path_component_nostrip(const char *path);
251 int ndelay_on(int fd);
252 int ndelay_off(int fd);
253 int close_on_exec_on(int fd);
254 void xdup2(int, int);
255 void xmove_fd(int, int);
258 DIR *xopendir(const char *path);
259 DIR *warn_opendir(const char *path);
261 /* UNUSED: char *xmalloc_realpath(const char *path); */
262 char *xmalloc_readlink(const char *path);
263 char *xmalloc_readlink_or_warn(const char *path);
264 char *xrealloc_getcwd_or_warn(char *cwd);
266 char *xmalloc_follow_symlinks(const char *path);
268 //TODO: signal(sid, f) is the same? then why?
269 extern void sig_catch(int,void (*)(int));
270 //#define sig_ignore(s) (sig_catch((s), SIG_IGN))
271 //#define sig_uncatch(s) (sig_catch((s), SIG_DFL))
272 extern void sig_block(int);
273 extern void sig_unblock(int);
274 /* UNUSED: extern void sig_blocknone(void); */
275 extern void sig_pause(void);
278 void xsetgid(gid_t gid);
279 void xsetuid(uid_t uid);
280 void xchdir(const char *path);
281 void xsetenv(const char *key, const char *value);
282 void xunlink(const char *pathname);
283 void xstat(const char *pathname, struct stat *buf);
284 int xopen(const char *pathname, int flags);
285 int xopen3(const char *pathname, int flags, int mode);
286 int open_or_warn(const char *pathname, int flags);
287 int open3_or_warn(const char *pathname, int flags, int mode);
288 void xpipe(int filedes[2]);
289 off_t xlseek(int fd, off_t offset, int whence);
290 off_t fdlength(int fd);
292 /* Useful for having small structure members/global variables */
293 typedef int8_t socktype_t;
294 typedef int8_t family_t;
295 struct BUG_too_small {
296 char BUG_socktype_t_too_small[(0
303 char BUG_family_t_too_small[(0
316 int xsocket(int domain, int type, int protocol);
317 void xbind(int sockfd, struct sockaddr *my_addr, socklen_t addrlen);
318 void xlisten(int s, int backlog);
319 void xconnect(int s, const struct sockaddr *s_addr, socklen_t addrlen);
320 ssize_t xsendto(int s, const void *buf, size_t len, const struct sockaddr *to,
322 /* SO_REUSEADDR allows a server to rebind to an address that is already
323 * "in use" by old connections to e.g. previous server instance which is
324 * killed or crashed. Without it bind will fail until all such connections
325 * time out. Linux does not allow multiple live binds on same ip:port
326 * regardless of SO_REUSEADDR (unlike some other flavors of Unix).
327 * Turn it on before you call bind(). */
328 void setsockopt_reuseaddr(int fd); /* On Linux this never fails. */
329 int setsockopt_broadcast(int fd);
330 /* NB: returns port in host byte order */
331 unsigned bb_lookup_port(const char *port, const char *protocol, unsigned default_port);
332 typedef struct len_and_sockaddr {
336 struct sockaddr_in sin;
337 #if ENABLE_FEATURE_IPV6
338 struct sockaddr_in6 sin6;
343 LSA_SIZEOF_SA = sizeof(
346 struct sockaddr_in sin;
347 #if ENABLE_FEATURE_IPV6
348 struct sockaddr_in6 sin6;
353 /* Create stream socket, and allocate suitable lsa.
354 * (lsa of correct size and lsa->sa.sa_family (AF_INET/AF_INET6))
355 * af == AF_UNSPEC will result in trying to create IPv6 socket,
356 * and if kernel doesn't support it, IPv4.
358 int xsocket_type(len_and_sockaddr **lsap, USE_FEATURE_IPV6(int af,) int sock_type);
359 int xsocket_stream(len_and_sockaddr **lsap);
360 /* Create server socket bound to bindaddr:port. bindaddr can be NULL,
361 * numeric IP ("N.N.N.N") or numeric IPv6 address,
362 * and can have ":PORT" suffix (for IPv6 use "[X:X:...:X]:PORT").
363 * Only if there is no suffix, port argument is used */
364 /* NB: these set SO_REUSEADDR before bind */
365 int create_and_bind_stream_or_die(const char *bindaddr, int port);
366 int create_and_bind_dgram_or_die(const char *bindaddr, int port);
367 /* Create client TCP socket connected to peer:port. Peer cannot be NULL.
368 * Peer can be numeric IP ("N.N.N.N"), numeric IPv6 address or hostname,
369 * and can have ":PORT" suffix (for IPv6 use "[X:X:...:X]:PORT").
370 * If there is no suffix, port argument is used */
371 int create_and_connect_stream_or_die(const char *peer, int port);
372 /* Connect to peer identified by lsa */
373 int xconnect_stream(const len_and_sockaddr *lsa);
374 /* Return malloc'ed len_and_sockaddr with socket address of host:port
375 * Currently will return IPv4 or IPv6 sockaddrs only
376 * (depending on host), but in theory nothing prevents e.g.
377 * UNIX socket address being returned, IPX sockaddr etc...
378 * On error does bb_error_msg and returns NULL */
379 len_and_sockaddr* host2sockaddr(const char *host, int port);
380 /* Version which dies on error */
381 len_and_sockaddr* xhost2sockaddr(const char *host, int port);
382 len_and_sockaddr* xdotted2sockaddr(const char *host, int port);
383 #if ENABLE_FEATURE_IPV6
384 /* Same, useful if you want to force family (e.g. IPv6) */
385 len_and_sockaddr* host_and_af2sockaddr(const char *host, int port, sa_family_t af);
386 len_and_sockaddr* xhost_and_af2sockaddr(const char *host, int port, sa_family_t af);
388 /* [we evaluate af: think about "host_and_af2sockaddr(..., af++)"] */
389 #define host_and_af2sockaddr(host, port, af) ((void)(af), host2sockaddr((host), (port)))
390 #define xhost_and_af2sockaddr(host, port, af) ((void)(af), xhost2sockaddr((host), (port)))
392 /* Assign sin[6]_port member if the socket is an AF_INET[6] one,
393 * otherwise no-op. Useful for ftp.
394 * NB: does NOT do htons() internally, just direct assignment. */
395 void set_nport(len_and_sockaddr *lsa, unsigned port);
396 /* Retrieve sin[6]_port or return -1 for non-INET[6] lsa's */
397 int get_nport(const struct sockaddr *sa);
398 /* Reverse DNS. Returns NULL on failure. */
399 char* xmalloc_sockaddr2host(const struct sockaddr *sa);
400 /* This one doesn't append :PORTNUM */
401 char* xmalloc_sockaddr2host_noport(const struct sockaddr *sa);
402 /* This one also doesn't fall back to dotted IP (returns NULL) */
403 char* xmalloc_sockaddr2hostonly_noport(const struct sockaddr *sa);
404 /* inet_[ap]ton on steroids */
405 char* xmalloc_sockaddr2dotted(const struct sockaddr *sa);
406 char* xmalloc_sockaddr2dotted_noport(const struct sockaddr *sa);
407 // "old" (ipv4 only) API
408 // users: traceroute.c hostname.c - use _list_ of all IPs
409 struct hostent *xgethostbyname(const char *name);
410 // Also mount.c and inetd.c are using gethostbyname(),
411 // + inet_common.c has additional IPv4-only stuff
414 void socket_want_pktinfo(int fd);
415 ssize_t send_to_from(int fd, void *buf, size_t len, int flags,
416 const struct sockaddr *from, const struct sockaddr *to,
418 ssize_t recv_from_to(int fd, void *buf, size_t len, int flags,
419 struct sockaddr *from, struct sockaddr *to,
422 char *xstrdup(const char *s);
423 char *xstrndup(const char *s, int n);
424 char *safe_strncpy(char *dst, const char *src, size_t size);
425 /* Guaranteed to NOT be a macro (smallest code). Saves nearly 2k on uclibc.
426 * But potentially slow, don't use in one-billion-times loops */
427 int bb_putchar(int ch);
428 char *xasprintf(const char *format, ...) __attribute__ ((format (printf, 1, 2)));
429 /* Prints unprintable chars ch as ^C or M-c to file
430 * (M-c is used only if ch is ORed with PRINTABLE_META),
431 * else it is printed as-is (except for ch = 0x9b) */
432 enum { PRINTABLE_META = 0x100 };
433 void fputc_printable(int ch, FILE *file);
434 // gcc-4.1.1 still isn't good enough at optimizing it
435 // (+200 bytes compared to macro)
436 //static ALWAYS_INLINE
437 //int LONE_DASH(const char *s) { return s[0] == '-' && !s[1]; }
438 //static ALWAYS_INLINE
439 //int NOT_LONE_DASH(const char *s) { return s[0] != '-' || s[1]; }
440 #define LONE_DASH(s) ((s)[0] == '-' && !(s)[1])
441 #define NOT_LONE_DASH(s) ((s)[0] != '-' || (s)[1])
442 #define LONE_CHAR(s,c) ((s)[0] == (c) && !(s)[1])
443 #define NOT_LONE_CHAR(s,c) ((s)[0] != (c) || (s)[1])
444 #define DOT_OR_DOTDOT(s) ((s)[0] == '.' && (!(s)[1] || ((s)[1] == '.' && !(s)[2])))
446 /* dmalloc will redefine these to it's own implementation. It is safe
447 * to have the prototypes here unconditionally. */
448 extern void *malloc_or_warn(size_t size);
449 extern void *xmalloc(size_t size);
450 extern void *xzalloc(size_t size);
451 extern void *xrealloc(void *old, size_t size);
453 extern ssize_t safe_read(int fd, void *buf, size_t count);
454 extern ssize_t full_read(int fd, void *buf, size_t count);
455 extern void xread(int fd, void *buf, size_t count);
456 extern unsigned char xread_char(int fd);
457 // Read one line a-la fgets. Uses one read(), works only on seekable streams
458 extern char *reads(int fd, char *buf, size_t count);
459 // Read one line a-la fgets. Reads byte-by-byte.
460 // Useful when it is important to not read ahead.
461 extern char *xmalloc_reads(int fd, char *pfx);
462 extern ssize_t read_close(int fd, void *buf, size_t count);
463 extern ssize_t open_read_close(const char *filename, void *buf, size_t count);
464 extern void *xmalloc_open_read_close(const char *filename, size_t *sizep);
466 extern ssize_t safe_write(int fd, const void *buf, size_t count);
467 extern ssize_t full_write(int fd, const void *buf, size_t count);
468 extern void xwrite(int fd, const void *buf, size_t count);
470 /* Reads and prints to stdout till eof, then closes FILE. Exits on error: */
471 extern void xprint_and_close_file(FILE *file);
472 /* Reads up to (and including) TERMINATING_STRING: */
473 extern char *xmalloc_fgets_str(FILE *file, const char *terminating_string);
474 /* Chops off TERMINATING_STRING: from the end: */
475 extern char *xmalloc_fgetline_str(FILE *file, const char *terminating_string);
476 /* Reads up to (and including) "\n" or NUL byte */
477 extern char *xmalloc_fgets(FILE *file);
478 /* Chops off '\n' from the end, unlike fgets: */
479 extern char *xmalloc_getline(FILE *file);
480 extern char *bb_get_chunk_from_file(FILE *file, int *end);
481 extern void die_if_ferror(FILE *file, const char *msg);
482 extern void die_if_ferror_stdout(void);
483 extern void xfflush_stdout(void);
484 extern void fflush_stdout_and_exit(int retval) ATTRIBUTE_NORETURN;
485 extern int fclose_if_not_stdin(FILE *file);
486 extern FILE *xfopen(const char *filename, const char *mode);
487 /* Prints warning to stderr and returns NULL on failure: */
488 extern FILE *fopen_or_warn(const char *filename, const char *mode);
489 /* "Opens" stdin if filename is special, else just opens file: */
490 extern FILE *fopen_or_warn_stdin(const char *filename);
492 /* Wrapper which restarts poll on EINTR or ENOMEM.
493 * On other errors complains [perror("poll")] and returns.
494 * Warning! May take (much) longer than timeout_ms to return!
495 * If this is a problem, use bare poll and open-code EINTR/ENOMEM handling */
496 int safe_poll(struct pollfd *ufds, nfds_t nfds, int timeout_ms);
498 /* Convert each alpha char in str to lower-case */
499 char* str_tolower(char *str);
501 char *utoa(unsigned n);
503 /* Returns a pointer past the formatted number, does NOT null-terminate */
504 char *utoa_to_buf(unsigned n, char *buf, unsigned buflen);
505 char *itoa_to_buf(int n, char *buf, unsigned buflen);
506 void smart_ulltoa5(unsigned long long ul, char buf[5]);
507 //TODO: provide pointer to buf (avoid statics)?
508 const char *make_human_readable_str(unsigned long long size,
509 unsigned long block_size, unsigned long display_unit);
510 /* Put a string of hex bytes ("1b2e66fe"...), return advanced pointer */
511 char *bin2hex(char *buf, const char *cp, int count);
513 /* Last element is marked by mult == 0 */
520 /* Using xatoi() instead of naive atoi() is not always convenient -
521 * in many places people want *non-negative* values, but store them
522 * in signed int. Therefore we need this one:
523 * dies if input is not in [0, INT_MAX] range. Also will reject '-0' etc */
524 int xatoi_u(const char *numstr);
525 /* Useful for reading port numbers */
526 uint16_t xatou16(const char *numstr);
529 /* These parse entries in /etc/passwd and /etc/group. This is desirable
530 * for BusyBox since we want to avoid using the glibc NSS stuff, which
531 * increases target size and is often not needed on embedded systems. */
532 long xuname2uid(const char *name);
533 long xgroup2gid(const char *name);
534 /* wrapper: allows string to contain numeric uid or gid */
535 unsigned long get_ug_id(const char *s, long (*xname2id)(const char *));
536 /* from chpst. Does not die, returns 0 on failure */
541 /* always sets uid and gid */
542 int get_uidgid(struct bb_uidgid_t*, const char*, int numeric_ok);
543 /* chown-like handling of "user[:[group]" */
544 void parse_chown_usergroup_or_die(struct bb_uidgid_t *u, char *user_group);
545 /* bb_getpwuid, bb_getgrgid:
546 * bb_getXXXid(buf, bufsz, id) - copy user/group name or id
547 * as a string to buf, return user/group name or NULL
548 * bb_getXXXid(NULL, 0, id) - return user/group name or NULL
549 * bb_getXXXid(NULL, -1, id) - return user/group name or exit
551 char *bb_getpwuid(char *name, int bufsize, long uid);
552 char *bb_getgrgid(char *group, int bufsize, long gid);
553 /* versions which cache results (useful for ps, ls etc) */
554 const char* get_cached_username(uid_t uid);
555 const char* get_cached_groupname(gid_t gid);
556 void clear_username_cache(void);
557 /* internally usernames are saved in fixed-sized char[] buffers */
558 enum { USERNAME_MAX_SIZE = 16 - sizeof(int) };
561 int execable_file(const char *name);
562 char *find_execable(const char *filename);
563 int exists_execable(const char *filename);
565 /* BB_EXECxx always execs (it's not doing NOFORK/NOEXEC stuff),
566 * but it may exec busybox and call applet instead of searching PATH.
568 #if ENABLE_FEATURE_PREFER_APPLETS
569 int bb_execvp(const char *file, char *const argv[]);
570 #define BB_EXECVP(prog,cmd) bb_execvp(prog,cmd)
571 #define BB_EXECLP(prog,cmd,...) \
572 execlp((find_applet_by_name(prog) >= 0) ? CONFIG_BUSYBOX_EXEC_PATH : prog, \
575 #define BB_EXECVP(prog,cmd) execvp(prog,cmd)
576 #define BB_EXECLP(prog,cmd,...) execlp(prog,cmd, __VA_ARGS__)
579 /* NOMMU friendy fork+exec */
580 pid_t spawn(char **argv);
581 pid_t xspawn(char **argv);
583 /* Unlike waitpid, waits ONLY for one process,
584 * It's safe to pass negative 'pids' from failed [v]fork -
585 * wait4pid will return -1 (and will not clobber [v]fork's errno).
586 * IOW: rc = wait4pid(spawn(argv));
587 * if (rc < 0) bb_perror_msg("%s", argv[0]);
588 * if (rc > 0) bb_error_msg("exit code: %d", rc);
590 int safe_waitpid(int pid, int *wstat, int options);
591 int wait4pid(int pid);
592 int wait_any_nohang(int *wstat);
593 #define wait_crashed(w) ((w) & 127)
594 #define wait_exitcode(w) ((w) >> 8)
595 #define wait_stopsig(w) ((w) >> 8)
596 #define wait_stopped(w) (((w) & 127) == 127)
597 /* wait4pid(spawn(argv)) + NOFORK/NOEXEC (if configured) */
598 int spawn_and_wait(char **argv);
599 struct nofork_save_area {
601 const char *applet_name;
602 int xfunc_error_retval;
603 uint32_t option_mask32;
607 void save_nofork_data(struct nofork_save_area *save);
608 void restore_nofork_data(struct nofork_save_area *save);
609 /* Does NOT check that applet is NOFORK, just blindly runs it */
610 int run_nofork_applet(int applet_no, char **argv);
611 int run_nofork_applet_prime(struct nofork_save_area *old, int applet_no, char **argv);
613 /* Helpers for daemonization.
615 * bb_daemonize(flags) = daemonize, does not compile on NOMMU
617 * bb_daemonize_or_rexec(flags, argv) = daemonizes on MMU (and ignores argv),
618 * rexec's itself on NOMMU with argv passed as command line.
619 * Thus bb_daemonize_or_rexec may cause your <applet>_main() to be re-executed
620 * from the start. (It will detect it and not reexec again second time).
621 * You have to audit carefully that you don't do something twice as a result
622 * (opening files/sockets, parsing config files etc...)!
624 * Both of the above will redirect fd 0,1,2 to /dev/null and drop ctty
625 * (will do setsid()).
627 * forkexit_or_rexec(argv) = bare-bones "fork + parent exits" on MMU,
628 * "vfork + re-exec ourself" on NOMMU. No fd redirection, no setsid().
629 * Currently used for openvt. On MMU ignores argv.
631 * Helper for network daemons in foreground mode:
633 * bb_sanitize_stdio() = make sure that fd 0,1,2 are opened by opening them
634 * to /dev/null if they are not.
637 DAEMON_CHDIR_ROOT = 1,
638 DAEMON_DEVNULL_STDIO = 2,
639 DAEMON_CLOSE_EXTRA_FDS = 4,
640 DAEMON_ONLY_SANITIZE = 8, /* internal use */
643 void forkexit_or_rexec(void);
644 enum { re_execed = 0 };
645 # define forkexit_or_rexec(argv) forkexit_or_rexec()
646 # define bb_daemonize_or_rexec(flags, argv) bb_daemonize_or_rexec(flags)
647 # define bb_daemonize(flags) bb_daemonize_or_rexec(flags, bogus)
649 void re_exec(char **argv) ATTRIBUTE_NORETURN;
650 void forkexit_or_rexec(char **argv);
651 extern bool re_execed;
652 # define fork() BUG_fork_is_unavailable_on_nommu()
653 # define daemon(a,b) BUG_daemon_is_unavailable_on_nommu()
654 # define bb_daemonize(a) BUG_bb_daemonize_is_unavailable_on_nommu()
656 void bb_daemonize_or_rexec(int flags, char **argv);
657 void bb_sanitize_stdio(void);
658 /* Clear dangerous stuff, set PATH */
659 void sanitize_env_for_suid(void);
662 extern const char *opt_complementary;
663 #if ENABLE_GETOPT_LONG
664 #define No_argument "\0"
665 #define Required_argument "\001"
666 #define Optional_argument "\002"
667 extern const char *applet_long_options;
669 extern uint32_t option_mask32;
670 extern uint32_t getopt32(char **argv, const char *applet_opts, ...);
673 typedef struct llist_t {
675 struct llist_t *link;
677 void llist_add_to(llist_t **old_head, void *data);
678 void llist_add_to_end(llist_t **list_head, void *data);
679 void *llist_pop(llist_t **elm);
680 void llist_unlink(llist_t **head, llist_t *elm);
681 void llist_free(llist_t *elm, void (*freeit)(void *data));
682 llist_t *llist_rev(llist_t *list);
683 /* BTW, surprisingly, changing API to
684 * llist_t *llist_add_to(llist_t *old_head, void *data)
685 * etc does not result in smaller code... */
687 /* start_stop_daemon and udhcpc are special - they want
688 * to create pidfiles regardless of FEATURE_PIDFILE */
689 #if ENABLE_FEATURE_PIDFILE || defined(WANT_PIDFILE)
690 /* True only if we created pidfile which is *file*, not /dev/null etc */
691 extern smallint wrote_pidfile;
692 void write_pidfile(const char *path);
693 #define remove_pidfile(path) do { if (wrote_pidfile) unlink(path); } while (0)
695 enum { wrote_pidfile = 0 };
696 #define write_pidfile(path) ((void)0)
697 #define remove_pidfile(path) ((void)0)
702 LOGMODE_STDIO = (1 << 0),
703 LOGMODE_SYSLOG = (1 << 1) * ENABLE_FEATURE_SYSLOG,
704 LOGMODE_BOTH = LOGMODE_SYSLOG + LOGMODE_STDIO,
706 extern const char *msg_eol;
707 extern smallint logmode;
708 extern int die_sleep;
709 extern int xfunc_error_retval;
710 extern jmp_buf die_jmp;
711 extern void xfunc_die(void) ATTRIBUTE_NORETURN;
712 extern void bb_show_usage(void) ATTRIBUTE_NORETURN;
713 extern void bb_error_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
714 extern void bb_error_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
715 extern void bb_perror_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
716 extern void bb_simple_perror_msg(const char *s);
717 extern void bb_perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
718 extern void bb_simple_perror_msg_and_die(const char *s) __attribute__ ((noreturn));
719 extern void bb_herror_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
720 extern void bb_herror_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
721 extern void bb_perror_nomsg_and_die(void) ATTRIBUTE_NORETURN;
722 extern void bb_perror_nomsg(void);
723 extern void bb_info_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
724 extern void bb_verror_msg(const char *s, va_list p, const char *strerr);
726 /* We need to export XXX_main from libbusybox
727 * only if we build "individual" binaries
729 #if ENABLE_FEATURE_INDIVIDUAL
730 #define MAIN_EXTERNALLY_VISIBLE EXTERNALLY_VISIBLE
732 #define MAIN_EXTERNALLY_VISIBLE
736 /* applets which are useful from another applets */
737 int bb_cat(char** argv);
738 int echo_main(int argc, char** argv) MAIN_EXTERNALLY_VISIBLE;
739 int test_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
740 int kill_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
742 void bb_displayroutes(int noresolve, int netstatfmt);
744 int chown_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
746 int gunzip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
749 int bunzip2_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
751 int bbunpack(char **argv,
752 char* (*make_new_name)(char *filename),
753 USE_DESKTOP(long long) int (*unpacker)(void)
758 int create_icmp_socket(void);
759 int create_icmp6_socket(void);
761 /* This structure defines protocol families and their handlers. */
767 char *(*print) (unsigned char *);
768 const char *(*sprint) (struct sockaddr *, int numeric);
769 int (*input) (/*int type,*/ const char *bufp, struct sockaddr *);
770 void (*herror) (char *text);
771 int (*rprint) (int options);
772 int (*rinput) (int typ, int ext, char **argv);
775 int (*getmask) (char *src, struct sockaddr * mask, char *name);
777 /* This structure defines hardware protocols and their handlers. */
783 char *(*print) (unsigned char *);
784 int (*input) (const char *, struct sockaddr *);
785 int (*activate) (int fd);
786 int suppress_null_addr;
788 extern smallint interface_opt_a;
789 int display_interfaces(char *ifname);
790 const struct aftype *get_aftype(const char *name);
791 const struct hwtype *get_hwtype(const char *name);
792 const struct hwtype *get_hwntype(int type);
795 #ifndef BUILD_INDIVIDUAL
796 extern int find_applet_by_name(const char *name);
797 /* Returns only if applet is not found. */
798 extern void run_applet_and_exit(const char *name, char **argv);
799 extern void run_applet_no_and_exit(int a, char **argv) ATTRIBUTE_NORETURN;
802 extern int match_fstype(const struct mntent *mt, const char *fstypes);
803 extern struct mntent *find_mount_point(const char *name, const char *table);
804 extern void erase_mtab(const char * name);
805 extern unsigned int tty_baud_to_value(speed_t speed);
806 extern speed_t tty_value_to_baud(unsigned int value);
807 extern void bb_warn_ignoring_args(int n);
809 extern int get_linux_version_code(void);
811 extern char *query_loop(const char *device);
812 extern int del_loop(const char *device);
813 /* If *devname is not NULL, use that name, otherwise try to find free one,
814 * malloc and return it in *devname.
815 * return value: 1: read-only loopdev was setup, 0: rw, < 0: error */
816 extern int set_loop(char **devname, const char *file, unsigned long long offset);
819 //TODO: pass buf pointer or return allocated buf (avoid statics)?
820 char *bb_askpass(int timeout, const char * prompt);
821 int bb_ask_confirmation(void);
823 extern int bb_parse_mode(const char* s, mode_t* theMode);
825 char *concat_path_file(const char *path, const char *filename);
826 char *concat_subpath_file(const char *path, const char *filename);
827 const char *bb_basename(const char *name);
828 /* NB: can violate const-ness (similarly to strchr) */
829 char *last_char_is(const char *s, int c);
832 USE_DESKTOP(long long) int uncompress(int fd_in, int fd_out);
833 int inflate(int in, int out);
836 int bb_make_directory(char *path, long mode, int flags);
838 int get_signum(const char *name);
839 const char *get_signame(int number);
840 void print_signames(void);
842 char *bb_simplify_path(const char *path);
845 extern void bb_do_delay(int seconds);
846 extern void change_identity(const struct passwd *pw);
847 extern const char *change_identity_e2str(const struct passwd *pw);
848 extern void run_shell(const char *shell, int loginshell, const char *command, const char **additional_args) ATTRIBUTE_NORETURN;
849 extern void run_shell(const char *shell, int loginshell, const char *command, const char **additional_args);
851 extern void renew_current_security_context(void);
852 extern void set_current_security_context(security_context_t sid);
853 extern context_t set_security_context_component(security_context_t cur_context,
854 char *user, char *role, char *type, char *range);
855 extern void setfscreatecon_or_die(security_context_t scontext);
856 extern void selinux_preserve_fcontext(int fdesc);
858 #define selinux_preserve_fcontext(fdesc) ((void)0)
860 extern void selinux_or_die(void);
861 extern int restricted_shell(const char *shell);
863 /* setup_environment:
864 * if loginshell = 1: cd(pw->pw_dir), clear environment, then set
866 * USER=pw->pw_name, LOGNAME=pw->pw_name
867 * PATH=bb_default_[root_]path
870 * else if changeenv = 1:
871 * if not root (if pw->pw_uid != 0):
872 * USER=pw->pw_name, LOGNAME=pw->pw_name
877 extern void setup_environment(const char *shell, int loginshell, int changeenv, const struct passwd *pw);
878 extern int correct_password(const struct passwd *pw);
879 /* Returns a ptr to static storage */
880 extern char *pw_encrypt(const char *clear, const char *salt);
881 extern int obscure(const char *old, const char *newval, const struct passwd *pwdp);
883 int index_in_str_array(const char *const string_array[], const char *key);
884 int index_in_strings(const char *strings, const char *key);
885 int index_in_substr_array(const char *const string_array[], const char *key);
886 int index_in_substrings(const char *strings, const char *key);
887 const char *nth_string(const char *strings, int n);
889 extern void print_login_issue(const char *issue_file, const char *tty);
890 extern void print_login_prompt(void);
892 /* rnd is additional random input. New one is returned.
893 * Useful if you call crypt_make_salt many times in a row:
894 * rnd = crypt_make_salt(buf1, 4, 0);
895 * rnd = crypt_make_salt(buf2, 4, rnd);
896 * rnd = crypt_make_salt(buf3, 4, rnd);
897 * (otherwise we risk having same salt generated)
899 extern int crypt_make_salt(char *p, int cnt, int rnd);
901 /* Returns number of lines changed, or -1 on error */
902 extern int update_passwd(const char *filename, const char *username,
905 /* NB: typically you want to pass fd 0, not 1. Think 'applet | grep something' */
906 int get_terminal_width_height(int fd, int *width, int *height);
908 int ioctl_or_perror(int fd, int request, void *argp, const char *fmt,...) __attribute__ ((format (printf, 4, 5)));
909 void ioctl_or_perror_and_die(int fd, int request, void *argp, const char *fmt,...) __attribute__ ((format (printf, 4, 5)));
910 #if ENABLE_IOCTL_HEX2STR_ERROR
911 int bb_ioctl_or_warn(int fd, int request, void *argp, const char *ioctl_name);
912 void bb_xioctl(int fd, int request, void *argp, const char *ioctl_name);
913 #define ioctl_or_warn(fd,request,argp) bb_ioctl_or_warn(fd,request,argp,#request)
914 #define xioctl(fd,request,argp) bb_xioctl(fd,request,argp,#request)
916 int bb_ioctl_or_warn(int fd, int request, void *argp);
917 void bb_xioctl(int fd, int request, void *argp);
918 #define ioctl_or_warn(fd,request,argp) bb_ioctl_or_warn(fd,request,argp)
919 #define xioctl(fd,request,argp) bb_xioctl(fd,request,argp)
922 char *is_in_ino_dev_hashtable(const struct stat *statbuf);
923 void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name);
924 void reset_ino_dev_hashtable(void);
926 /* At least glibc has horrendously large inline for this, so wrap it */
927 unsigned long long bb_makedev(unsigned int major, unsigned int minor);
929 #define makedev(a,b) bb_makedev(a,b)
933 #if ENABLE_FEATURE_EDITING
934 /* It's NOT just ENABLEd or disabled. It's a number: */
935 #ifdef CONFIG_FEATURE_EDITING_HISTORY
936 #define MAX_HISTORY (CONFIG_FEATURE_EDITING_HISTORY + 0)
938 #define MAX_HISTORY 0
940 typedef struct line_input_t {
942 const char *path_lookup;
946 USE_FEATURE_EDITING_SAVEHISTORY(const char *hist_file;)
947 char *history[MAX_HISTORY + 1];
951 DO_HISTORY = 1 * (MAX_HISTORY > 0),
952 SAVE_HISTORY = 2 * (MAX_HISTORY > 0) * ENABLE_FEATURE_EDITING_SAVEHISTORY,
953 TAB_COMPLETION = 4 * ENABLE_FEATURE_TAB_COMPLETION,
954 USERNAME_COMPLETION = 8 * ENABLE_FEATURE_USERNAME_COMPLETION,
955 VI_MODE = 0x10 * ENABLE_FEATURE_EDITING_VI,
956 WITH_PATH_LOOKUP = 0x20,
957 FOR_SHELL = DO_HISTORY | SAVE_HISTORY | TAB_COMPLETION | USERNAME_COMPLETION,
959 line_input_t *new_line_input_t(int flags);
961 * -1 on read errors or EOF, or on bare Ctrl-D.
963 * >0 length of input string, including terminating '\n'
964 * [is this true? stores "" in 'command' if return value is 0 or -1]
966 int read_line_input(const char* prompt, char* command, int maxsize, line_input_t *state);
968 int read_line_input(const char* prompt, char* command, int maxsize);
969 #define read_line_input(prompt, command, maxsize, state) \
970 read_line_input(prompt, command, maxsize)
976 enum { COMM_LEN = TASK_COMM_LEN };
978 /* synchronize with sizeof(task_struct.comm) in /usr/include/linux/sched.h */
979 enum { COMM_LEN = 16 };
982 typedef struct procps_status_t {
984 uint8_t shift_pages_to_bytes;
985 uint8_t shift_pages_to_kb;
986 /* Fields are set to 0/NULL if failed to determine (or not requested) */
988 USE_SELINUX(char *context;)
989 /* Everything below must contain no ptrs to malloc'ed data:
990 * it is memset(0) for each process in procps_scan() */
991 unsigned long vsz, rss; /* we round it to kbytes */
992 unsigned long stime, utime;
999 unsigned tty_major,tty_minor;
1000 #if ENABLE_FEATURE_TOPMEM
1001 unsigned long mapped_rw;
1002 unsigned long mapped_ro;
1003 unsigned long shared_clean;
1004 unsigned long shared_dirty;
1005 unsigned long private_clean;
1006 unsigned long private_dirty;
1007 unsigned long stack;
1010 /* basename of executable in exec(2), read from /proc/N/stat
1011 * (if executable is symlink or script, it is NOT replaced
1012 * by link target or interpreter name) */
1013 char comm[COMM_LEN];
1014 /* user/group? - use passwd/group parsing functions */
1017 PSSCAN_PID = 1 << 0,
1018 PSSCAN_PPID = 1 << 1,
1019 PSSCAN_PGID = 1 << 2,
1020 PSSCAN_SID = 1 << 3,
1021 PSSCAN_UIDGID = 1 << 4,
1022 PSSCAN_COMM = 1 << 5,
1023 /* PSSCAN_CMD = 1 << 6, - use read_cmdline instead */
1024 PSSCAN_ARGV0 = 1 << 7,
1025 /* PSSCAN_EXE = 1 << 8, - not implemented */
1026 PSSCAN_STATE = 1 << 9,
1027 PSSCAN_VSZ = 1 << 10,
1028 PSSCAN_RSS = 1 << 11,
1029 PSSCAN_STIME = 1 << 12,
1030 PSSCAN_UTIME = 1 << 13,
1031 PSSCAN_TTY = 1 << 14,
1032 PSSCAN_SMAPS = (1 << 15) * ENABLE_FEATURE_TOPMEM,
1033 PSSCAN_ARGVN = (1 << 16) * (ENABLE_PGREP | ENABLE_PKILL),
1034 USE_SELINUX(PSSCAN_CONTEXT = 1 << 17,)
1035 /* These are all retrieved from proc/NN/stat in one go: */
1036 PSSCAN_STAT = PSSCAN_PPID | PSSCAN_PGID | PSSCAN_SID
1037 | PSSCAN_COMM | PSSCAN_STATE
1038 | PSSCAN_VSZ | PSSCAN_RSS
1039 | PSSCAN_STIME | PSSCAN_UTIME
1042 procps_status_t* alloc_procps_scan(int flags);
1043 void free_procps_scan(procps_status_t* sp);
1044 procps_status_t* procps_scan(procps_status_t* sp, int flags);
1045 /* Format cmdline (up to col chars) into char buf[col+1] */
1046 /* Puts [comm] if cmdline is empty (-> process is a kernel thread) */
1047 void read_cmdline(char *buf, int col, unsigned pid, const char *comm);
1048 pid_t *find_pid_by_name(const char* procName);
1049 pid_t *pidlist_reverse(pid_t *pidList);
1052 extern const char bb_uuenc_tbl_base64[];
1053 extern const char bb_uuenc_tbl_std[];
1054 void bb_uuencode(char *store, const void *s, int length, const char *tbl);
1056 typedef struct sha1_ctx_t {
1061 void sha1_begin(sha1_ctx_t *ctx);
1062 void sha1_hash(const void *data, size_t length, sha1_ctx_t *ctx);
1063 void *sha1_end(void *resbuf, sha1_ctx_t *ctx);
1065 typedef struct md5_ctx_t {
1074 void md5_begin(md5_ctx_t *ctx);
1075 void md5_hash(const void *data, size_t length, md5_ctx_t *ctx);
1076 void *md5_end(void *resbuf, md5_ctx_t *ctx);
1078 uint32_t *crc32_filltable(uint32_t *tbl256, int endian);
1081 enum { /* DO NOT CHANGE THESE VALUES! cp.c, mv.c, install.c depend on them. */
1082 FILEUTILS_PRESERVE_STATUS = 1,
1083 FILEUTILS_DEREFERENCE = 2,
1084 FILEUTILS_RECUR = 4,
1085 FILEUTILS_FORCE = 8,
1086 FILEUTILS_INTERACTIVE = 0x10,
1087 FILEUTILS_MAKE_HARDLINK = 0x20,
1088 FILEUTILS_MAKE_SOFTLINK = 0x40,
1090 FILEUTILS_PRESERVE_SECURITY_CONTEXT = 0x80,
1091 FILEUTILS_SET_SECURITY_CONTEXT = 0x100
1095 #define FILEUTILS_CP_OPTSTR "pdRfils" USE_SELINUX("c")
1096 extern const char *applet_name;
1097 /* "BusyBox vN.N.N (timestamp or extra_vestion)" */
1098 extern const char bb_banner[];
1099 extern const char bb_msg_memory_exhausted[];
1100 extern const char bb_msg_invalid_date[];
1101 extern const char bb_msg_read_error[];
1102 extern const char bb_msg_write_error[];
1103 extern const char bb_msg_unknown[];
1104 extern const char bb_msg_can_not_create_raw_socket[];
1105 extern const char bb_msg_perm_denied_are_you_root[];
1106 extern const char bb_msg_requires_arg[];
1107 extern const char bb_msg_invalid_arg[];
1108 extern const char bb_msg_standard_input[];
1109 extern const char bb_msg_standard_output[];
1111 extern const char bb_str_default[];
1112 /* NB: (bb_hexdigits_upcase[i] | 0x20) -> lowercase hex digit */
1113 extern const char bb_hexdigits_upcase[];
1115 extern const char bb_path_mtab_file[];
1116 extern const char bb_path_passwd_file[];
1117 extern const char bb_path_shadow_file[];
1118 extern const char bb_path_gshadow_file[];
1119 extern const char bb_path_group_file[];
1120 extern const char bb_path_motd_file[];
1121 extern const char bb_path_wtmp_file[];
1122 extern const char bb_dev_null[];
1123 extern const char bb_busybox_exec_path[];
1124 /* util-linux manpage says /sbin:/bin:/usr/sbin:/usr/bin,
1125 * but I want to save a few bytes here */
1126 extern const char bb_PATH_root_path[]; /* "PATH=/sbin:/usr/sbin:/bin:/usr/bin" */
1127 #define bb_default_root_path (bb_PATH_root_path + sizeof("PATH"))
1128 #define bb_default_path (bb_PATH_root_path + sizeof("PATH=/sbin:/usr/sbin"))
1130 extern const int const_int_0;
1131 extern const int const_int_1;
1137 /* Providing hard guarantee on minimum size (think of BUFSIZ == 128) */
1138 enum { COMMON_BUFSIZE = (BUFSIZ >= 256*sizeof(void*) ? BUFSIZ+1 : 256*sizeof(void*)) };
1139 extern char bb_common_bufsiz1[COMMON_BUFSIZE];
1140 /* This struct is deliberately not defined. */
1141 /* See docs/keep_data_small.txt */
1143 /* '*const' ptr makes gcc optimize code much better.
1144 * Magic prevents ptr_to_globals from going into rodata.
1145 * If you want to assign a value, use PTR_TO_GLOBALS = xxx */
1146 extern struct globals *const ptr_to_globals;
1147 #define PTR_TO_GLOBALS (*(struct globals**)&ptr_to_globals)
1150 /* You can change LIBBB_DEFAULT_LOGIN_SHELL, but don't use it,
1151 * use bb_default_login_shell and following defines.
1152 * If you change LIBBB_DEFAULT_LOGIN_SHELL,
1153 * don't forget to change increment constant. */
1154 #define LIBBB_DEFAULT_LOGIN_SHELL "-/bin/sh"
1155 extern const char bb_default_login_shell[];
1157 #define DEFAULT_SHELL (bb_default_login_shell+1)
1159 #define DEFAULT_SHELL_SHORT_NAME (bb_default_login_shell+6)
1162 #if ENABLE_FEATURE_DEVFS
1163 # define CURRENT_VC "/dev/vc/0"
1164 # define VC_1 "/dev/vc/1"
1165 # define VC_2 "/dev/vc/2"
1166 # define VC_3 "/dev/vc/3"
1167 # define VC_4 "/dev/vc/4"
1168 # define VC_5 "/dev/vc/5"
1169 #if defined(__sh__) || defined(__H8300H__) || defined(__H8300S__)
1170 /* Yes, this sucks, but both SH (including sh64) and H8 have a SCI(F) for their
1171 respective serial ports .. as such, we can't use the common device paths for
1173 # define SC_0 "/dev/ttsc/0"
1174 # define SC_1 "/dev/ttsc/1"
1175 # define SC_FORMAT "/dev/ttsc/%d"
1177 # define SC_0 "/dev/tts/0"
1178 # define SC_1 "/dev/tts/1"
1179 # define SC_FORMAT "/dev/tts/%d"
1181 # define VC_FORMAT "/dev/vc/%d"
1182 # define LOOP_FORMAT "/dev/loop/%d"
1183 # define LOOP_NAMESIZE (sizeof("/dev/loop/") + sizeof(int)*3 + 1)
1184 # define LOOP_NAME "/dev/loop/"
1185 # define FB_0 "/dev/fb/0"
1187 # define CURRENT_VC "/dev/tty0"
1188 # define VC_1 "/dev/tty1"
1189 # define VC_2 "/dev/tty2"
1190 # define VC_3 "/dev/tty3"
1191 # define VC_4 "/dev/tty4"
1192 # define VC_5 "/dev/tty5"
1193 #if defined(__sh__) || defined(__H8300H__) || defined(__H8300S__)
1194 # define SC_0 "/dev/ttySC0"
1195 # define SC_1 "/dev/ttySC1"
1196 # define SC_FORMAT "/dev/ttySC%d"
1198 # define SC_0 "/dev/ttyS0"
1199 # define SC_1 "/dev/ttyS1"
1200 # define SC_FORMAT "/dev/ttyS%d"
1202 # define VC_FORMAT "/dev/tty%d"
1203 # define LOOP_FORMAT "/dev/loop%d"
1204 # define LOOP_NAMESIZE (sizeof("/dev/loop") + sizeof(int)*3 + 1)
1205 # define LOOP_NAME "/dev/loop"
1206 # define FB_0 "/dev/fb0"
1209 /* The following devices are the same on devfs and non-devfs systems. */
1210 #define CURRENT_TTY "/dev/tty"
1211 #define DEV_CONSOLE "/dev/console"
1214 #ifndef RB_POWER_OFF
1215 /* Stop system and switch power off if possible. */
1216 #define RB_POWER_OFF 0x4321fedc
1219 /* Make sure we call functions instead of macros. */
1233 /* This one is more efficient - we save ~400 bytes */
1235 #define isdigit(a) ((unsigned)((a) - '0') <= 9)
1239 #include <dmalloc.h>
1242 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
1244 #endif /* __LIBBUSYBOX_H__ */