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 /* Some libc's don't declare it, help them */
71 extern char **environ;
73 #if defined(__GLIBC__) && __GLIBC__ < 2
74 int vdprintf(int d, const char *format, va_list ap);
76 /* klogctl is in libc's klog.h, but we cheat and not #include that */
77 int klogctl(int type, char *b, int len);
78 /* This is declared here rather than #including <libgen.h> in order to avoid
79 * confusing the two versions of basename. See the dirname/basename man page
81 char *dirname(char *path);
82 /* Include our own copy of struct sysinfo to avoid binary compatibility
83 * problems with Linux 2.4, which changed things. Grumble, grumble. */
85 long uptime; /* Seconds since boot */
86 unsigned long loads[3]; /* 1, 5, and 15 minute load averages */
87 unsigned long totalram; /* Total usable main memory size */
88 unsigned long freeram; /* Available memory size */
89 unsigned long sharedram; /* Amount of shared memory */
90 unsigned long bufferram; /* Memory used by buffers */
91 unsigned long totalswap; /* Total swap space size */
92 unsigned long freeswap; /* swap space still available */
93 unsigned short procs; /* Number of current processes */
94 unsigned short pad; /* Padding needed for m68k */
95 unsigned long totalhigh; /* Total high memory size */
96 unsigned long freehigh; /* Available high memory size */
97 unsigned int mem_unit; /* Memory unit size in bytes */
98 char _f[20 - 2*sizeof(long) - sizeof(int)]; /* Padding: libc5 uses this.. */
100 int sysinfo(struct sysinfo* info);
103 /* Tested to work correctly with all int types (IIRC :]) */
104 #define MAXINT(T) (T)( \
107 : (T)~((T)1 << (sizeof(T)*8-1)) \
110 #define MININT(T) (T)( \
113 : ((T)1 << (sizeof(T)*8-1)) \
116 /* Large file support */
117 /* Note that CONFIG_LFS=y forces bbox to be built with all common ops
118 * (stat, lseek etc) mapped to "largefile" variants by libc.
119 * Practically it means that open() automatically has O_LARGEFILE added
120 * and all filesize/file_offset parameters and struct members are "large"
121 * (in today's world - signed 64bit). For full support of large files,
122 * we need a few helper #defines (below) and careful use of off_t
123 * instead of int/ssize_t. No lseek64(), O_LARGEFILE etc necessary */
125 /* CONFIG_LFS is on */
126 # if ULONG_MAX > 0xffffffff
127 /* "long" is long enough on this system */
128 # define XATOOFF(a) xatoul_range(a, 0, LONG_MAX)
129 /* usage: sz = BB_STRTOOFF(s, NULL, 10); if (errno || sz < 0) die(); */
130 # define BB_STRTOOFF bb_strtoul
131 # define STRTOOFF strtoul
132 /* usage: printf("size: %"OFF_FMT"d (%"OFF_FMT"x)\n", sz, sz); */
135 /* "long" is too short, need "long long" */
136 # define XATOOFF(a) xatoull_range(a, 0, LLONG_MAX)
137 # define BB_STRTOOFF bb_strtoull
138 # define STRTOOFF strtoull
139 # define OFF_FMT "ll"
142 /* CONFIG_LFS is off */
143 # if UINT_MAX == 0xffffffff
144 /* While sizeof(off_t) == sizeof(int), off_t is typedef'ed to long anyway.
145 * gcc will throw warnings on printf("%d", off_t). Crap... */
146 # define XATOOFF(a) xatoi_u(a)
147 # define BB_STRTOOFF bb_strtou
148 # define STRTOOFF strtol
151 # define XATOOFF(a) xatoul_range(a, 0, LONG_MAX)
152 # define BB_STRTOOFF bb_strtoul
153 # define STRTOOFF strtol
157 /* scary. better ideas? (but do *test* them first!) */
158 #define OFF_T_MAX ((off_t)~((off_t)1 << (sizeof(off_t)*8-1)))
160 /* Some useful definitions */
162 #define FALSE ((int) 0)
164 #define TRUE ((int) 1)
166 #define SKIP ((int) 2)
169 #define MTAB_GETMOUNTPT '1'
170 #define MTAB_GETDEVICE '2'
172 #define BUF_SIZE 8192
173 #define EXPAND_ALLOC 1024
175 /* Macros for min/max. */
177 #define MIN(a,b) (((a)<(b))?(a):(b))
181 #define MAX(a,b) (((a)>(b))?(a):(b))
184 /* buffer allocation schemes */
185 #if ENABLE_FEATURE_BUFFERS_GO_ON_STACK
186 #define RESERVE_CONFIG_BUFFER(buffer,len) char buffer[len]
187 #define RESERVE_CONFIG_UBUFFER(buffer,len) unsigned char buffer[len]
188 #define RELEASE_CONFIG_BUFFER(buffer) ((void)0)
190 #if ENABLE_FEATURE_BUFFERS_GO_IN_BSS
191 #define RESERVE_CONFIG_BUFFER(buffer,len) static char buffer[len]
192 #define RESERVE_CONFIG_UBUFFER(buffer,len) static unsigned char buffer[len]
193 #define RELEASE_CONFIG_BUFFER(buffer) ((void)0)
195 #define RESERVE_CONFIG_BUFFER(buffer,len) char *buffer = xmalloc(len)
196 #define RESERVE_CONFIG_UBUFFER(buffer,len) unsigned char *buffer = xmalloc(len)
197 #define RELEASE_CONFIG_BUFFER(buffer) free(buffer)
201 #if defined(__GLIBC__)
202 /* glibc uses __errno_location() to get a ptr to errno */
203 /* We can just memorize it once - no multithreading in busybox :) */
204 extern int *const bb_errno;
206 #define errno (*bb_errno)
209 unsigned long long monotonic_us(void);
210 unsigned monotonic_sec(void);
212 extern void chomp(char *s);
213 extern void trim(char *s);
214 extern char *skip_whitespace(const char *);
215 extern char *skip_non_whitespace(const char *);
217 //TODO: supply a pointer to char[11] buffer (avoid statics)?
218 extern const char *bb_mode_string(mode_t mode);
219 extern int is_directory(const char *name, int followLinks, struct stat *statBuf);
220 extern int remove_file(const char *path, int flags);
221 extern int copy_file(const char *source, const char *dest, int flags);
223 ACTION_RECURSE = (1 << 0),
224 ACTION_FOLLOWLINKS = (1 << 1),
225 ACTION_FOLLOWLINKS_L0 = (1 << 2),
226 ACTION_DEPTHFIRST = (1 << 3),
227 /*ACTION_REVERSE = (1 << 4), - unused */
229 extern int recursive_action(const char *fileName, unsigned flags,
230 int (*fileAction) (const char *fileName, struct stat* statbuf, void* userData, int depth),
231 int (*dirAction) (const char *fileName, struct stat* statbuf, void* userData, int depth),
232 void* userData, unsigned depth);
233 extern int device_open(const char *device, int mode);
234 extern int get_console_fd(void);
235 extern char *find_block_device(const char *path);
236 /* bb_copyfd_XX print read/write errors and return -1 if they occur */
237 extern off_t bb_copyfd_eof(int fd1, int fd2);
238 extern off_t bb_copyfd_size(int fd1, int fd2, off_t size);
239 extern void bb_copyfd_exact_size(int fd1, int fd2, off_t size);
240 /* "short" copy can be detected by return value < size */
241 /* this helper yells "short read!" if param is not -1 */
242 extern void complain_copyfd_and_die(off_t sz) ATTRIBUTE_NORETURN;
243 extern char bb_process_escape_sequence(const char **ptr);
244 /* xxxx_strip version can modify its parameter:
248 * "abc/def/" -> "def" !!
250 extern char *bb_get_last_path_component_strip(char *path);
251 /* "abc/def/" -> "" and it never modifies 'path' */
252 extern char *bb_get_last_path_component_nostrip(const char *path);
254 int ndelay_on(int fd);
255 int ndelay_off(int fd);
256 int close_on_exec_on(int fd);
257 void xdup2(int, int);
258 void xmove_fd(int, int);
261 DIR *xopendir(const char *path);
262 DIR *warn_opendir(const char *path);
264 /* UNUSED: char *xmalloc_realpath(const char *path); */
265 char *xmalloc_readlink(const char *path);
266 char *xmalloc_readlink_or_warn(const char *path);
267 char *xrealloc_getcwd_or_warn(char *cwd);
269 char *xmalloc_follow_symlinks(const char *path);
271 //TODO: signal(sid, f) is the same? then why?
272 extern void sig_catch(int,void (*)(int));
273 //#define sig_ignore(s) (sig_catch((s), SIG_IGN))
274 //#define sig_uncatch(s) (sig_catch((s), SIG_DFL))
275 extern void sig_block(int);
276 extern void sig_unblock(int);
277 /* UNUSED: extern void sig_blocknone(void); */
278 extern void sig_pause(void);
281 void xsetgid(gid_t gid);
282 void xsetuid(uid_t uid);
283 void xchdir(const char *path);
284 void xsetenv(const char *key, const char *value);
285 void xunlink(const char *pathname);
286 void xstat(const char *pathname, struct stat *buf);
287 int xopen(const char *pathname, int flags);
288 int xopen3(const char *pathname, int flags, int mode);
289 int open_or_warn(const char *pathname, int flags);
290 int open3_or_warn(const char *pathname, int flags, int mode);
291 void xpipe(int filedes[2]);
292 off_t xlseek(int fd, off_t offset, int whence);
293 off_t fdlength(int fd);
295 /* Useful for having small structure members/global variables */
296 typedef int8_t socktype_t;
297 typedef int8_t family_t;
298 struct BUG_too_small {
299 char BUG_socktype_t_too_small[(0
306 char BUG_family_t_too_small[(0
319 int xsocket(int domain, int type, int protocol);
320 void xbind(int sockfd, struct sockaddr *my_addr, socklen_t addrlen);
321 void xlisten(int s, int backlog);
322 void xconnect(int s, const struct sockaddr *s_addr, socklen_t addrlen);
323 ssize_t xsendto(int s, const void *buf, size_t len, const struct sockaddr *to,
325 /* SO_REUSEADDR allows a server to rebind to an address that is already
326 * "in use" by old connections to e.g. previous server instance which is
327 * killed or crashed. Without it bind will fail until all such connections
328 * time out. Linux does not allow multiple live binds on same ip:port
329 * regardless of SO_REUSEADDR (unlike some other flavors of Unix).
330 * Turn it on before you call bind(). */
331 void setsockopt_reuseaddr(int fd); /* On Linux this never fails. */
332 int setsockopt_broadcast(int fd);
333 /* NB: returns port in host byte order */
334 unsigned bb_lookup_port(const char *port, const char *protocol, unsigned default_port);
335 typedef struct len_and_sockaddr {
339 struct sockaddr_in sin;
340 #if ENABLE_FEATURE_IPV6
341 struct sockaddr_in6 sin6;
346 LSA_SIZEOF_SA = sizeof(
349 struct sockaddr_in sin;
350 #if ENABLE_FEATURE_IPV6
351 struct sockaddr_in6 sin6;
356 /* Create stream socket, and allocate suitable lsa.
357 * (lsa of correct size and lsa->sa.sa_family (AF_INET/AF_INET6))
358 * af == AF_UNSPEC will result in trying to create IPv6 socket,
359 * and if kernel doesn't support it, IPv4.
361 int xsocket_type(len_and_sockaddr **lsap, USE_FEATURE_IPV6(int af,) int sock_type);
362 int xsocket_stream(len_and_sockaddr **lsap);
363 /* Create server socket bound to bindaddr:port. bindaddr can be NULL,
364 * numeric IP ("N.N.N.N") or numeric IPv6 address,
365 * and can have ":PORT" suffix (for IPv6 use "[X:X:...:X]:PORT").
366 * Only if there is no suffix, port argument is used */
367 /* NB: these set SO_REUSEADDR before bind */
368 int create_and_bind_stream_or_die(const char *bindaddr, int port);
369 int create_and_bind_dgram_or_die(const char *bindaddr, int port);
370 /* Create client TCP socket connected to peer:port. Peer cannot be NULL.
371 * Peer can be numeric IP ("N.N.N.N"), numeric IPv6 address or hostname,
372 * and can have ":PORT" suffix (for IPv6 use "[X:X:...:X]:PORT").
373 * If there is no suffix, port argument is used */
374 int create_and_connect_stream_or_die(const char *peer, int port);
375 /* Connect to peer identified by lsa */
376 int xconnect_stream(const len_and_sockaddr *lsa);
377 /* Return malloc'ed len_and_sockaddr with socket address of host:port
378 * Currently will return IPv4 or IPv6 sockaddrs only
379 * (depending on host), but in theory nothing prevents e.g.
380 * UNIX socket address being returned, IPX sockaddr etc...
381 * On error does bb_error_msg and returns NULL */
382 len_and_sockaddr* host2sockaddr(const char *host, int port);
383 /* Version which dies on error */
384 len_and_sockaddr* xhost2sockaddr(const char *host, int port);
385 len_and_sockaddr* xdotted2sockaddr(const char *host, int port);
386 #if ENABLE_FEATURE_IPV6
387 /* Same, useful if you want to force family (e.g. IPv6) */
388 len_and_sockaddr* host_and_af2sockaddr(const char *host, int port, sa_family_t af);
389 len_and_sockaddr* xhost_and_af2sockaddr(const char *host, int port, sa_family_t af);
391 /* [we evaluate af: think about "host_and_af2sockaddr(..., af++)"] */
392 #define host_and_af2sockaddr(host, port, af) ((void)(af), host2sockaddr((host), (port)))
393 #define xhost_and_af2sockaddr(host, port, af) ((void)(af), xhost2sockaddr((host), (port)))
395 /* Assign sin[6]_port member if the socket is an AF_INET[6] one,
396 * otherwise no-op. Useful for ftp.
397 * NB: does NOT do htons() internally, just direct assignment. */
398 void set_nport(len_and_sockaddr *lsa, unsigned port);
399 /* Retrieve sin[6]_port or return -1 for non-INET[6] lsa's */
400 int get_nport(const struct sockaddr *sa);
401 /* Reverse DNS. Returns NULL on failure. */
402 char* xmalloc_sockaddr2host(const struct sockaddr *sa);
403 /* This one doesn't append :PORTNUM */
404 char* xmalloc_sockaddr2host_noport(const struct sockaddr *sa);
405 /* This one also doesn't fall back to dotted IP (returns NULL) */
406 char* xmalloc_sockaddr2hostonly_noport(const struct sockaddr *sa);
407 /* inet_[ap]ton on steroids */
408 char* xmalloc_sockaddr2dotted(const struct sockaddr *sa);
409 char* xmalloc_sockaddr2dotted_noport(const struct sockaddr *sa);
410 // "old" (ipv4 only) API
411 // users: traceroute.c hostname.c - use _list_ of all IPs
412 struct hostent *xgethostbyname(const char *name);
413 // Also mount.c and inetd.c are using gethostbyname(),
414 // + inet_common.c has additional IPv4-only stuff
417 void socket_want_pktinfo(int fd);
418 ssize_t send_to_from(int fd, void *buf, size_t len, int flags,
419 const struct sockaddr *from, const struct sockaddr *to,
421 ssize_t recv_from_to(int fd, void *buf, size_t len, int flags,
422 struct sockaddr *from, struct sockaddr *to,
425 char *xstrdup(const char *s);
426 char *xstrndup(const char *s, int n);
427 char *safe_strncpy(char *dst, const char *src, size_t size);
428 /* Guaranteed to NOT be a macro (smallest code). Saves nearly 2k on uclibc.
429 * But potentially slow, don't use in one-billion-times loops */
430 int bb_putchar(int ch);
431 char *xasprintf(const char *format, ...) __attribute__ ((format (printf, 1, 2)));
432 /* Prints unprintable chars ch as ^C or M-c to file
433 * (M-c is used only if ch is ORed with PRINTABLE_META),
434 * else it is printed as-is (except for ch = 0x9b) */
435 enum { PRINTABLE_META = 0x100 };
436 void fputc_printable(int ch, FILE *file);
437 // gcc-4.1.1 still isn't good enough at optimizing it
438 // (+200 bytes compared to macro)
439 //static ALWAYS_INLINE
440 //int LONE_DASH(const char *s) { return s[0] == '-' && !s[1]; }
441 //static ALWAYS_INLINE
442 //int NOT_LONE_DASH(const char *s) { return s[0] != '-' || s[1]; }
443 #define LONE_DASH(s) ((s)[0] == '-' && !(s)[1])
444 #define NOT_LONE_DASH(s) ((s)[0] != '-' || (s)[1])
445 #define LONE_CHAR(s,c) ((s)[0] == (c) && !(s)[1])
446 #define NOT_LONE_CHAR(s,c) ((s)[0] != (c) || (s)[1])
447 #define DOT_OR_DOTDOT(s) ((s)[0] == '.' && (!(s)[1] || ((s)[1] == '.' && !(s)[2])))
449 /* dmalloc will redefine these to it's own implementation. It is safe
450 * to have the prototypes here unconditionally. */
451 extern void *malloc_or_warn(size_t size);
452 extern void *xmalloc(size_t size);
453 extern void *xzalloc(size_t size);
454 extern void *xrealloc(void *old, size_t size);
456 extern ssize_t safe_read(int fd, void *buf, size_t count);
457 extern ssize_t full_read(int fd, void *buf, size_t count);
458 extern void xread(int fd, void *buf, size_t count);
459 extern unsigned char xread_char(int fd);
460 // Read one line a-la fgets. Uses one read(), works only on seekable streams
461 extern char *reads(int fd, char *buf, size_t count);
462 // Read one line a-la fgets. Reads byte-by-byte.
463 // Useful when it is important to not read ahead.
464 extern char *xmalloc_reads(int fd, char *pfx);
465 extern ssize_t read_close(int fd, void *buf, size_t count);
466 extern ssize_t open_read_close(const char *filename, void *buf, size_t count);
467 extern void *xmalloc_open_read_close(const char *filename, size_t *sizep);
469 extern ssize_t safe_write(int fd, const void *buf, size_t count);
470 extern ssize_t full_write(int fd, const void *buf, size_t count);
471 extern void xwrite(int fd, const void *buf, size_t count);
473 /* Reads and prints to stdout till eof, then closes FILE. Exits on error: */
474 extern void xprint_and_close_file(FILE *file);
475 /* Reads up to (and including) TERMINATING_STRING: */
476 extern char *xmalloc_fgets_str(FILE *file, const char *terminating_string);
477 /* Chops off TERMINATING_STRING: from the end: */
478 extern char *xmalloc_fgetline_str(FILE *file, const char *terminating_string);
479 /* Reads up to (and including) "\n" or NUL byte */
480 extern char *xmalloc_fgets(FILE *file);
481 /* Chops off '\n' from the end, unlike fgets: */
482 extern char *xmalloc_getline(FILE *file);
483 extern char *bb_get_chunk_from_file(FILE *file, int *end);
484 extern void die_if_ferror(FILE *file, const char *msg);
485 extern void die_if_ferror_stdout(void);
486 extern void xfflush_stdout(void);
487 extern void fflush_stdout_and_exit(int retval) ATTRIBUTE_NORETURN;
488 extern int fclose_if_not_stdin(FILE *file);
489 extern FILE *xfopen(const char *filename, const char *mode);
490 /* Prints warning to stderr and returns NULL on failure: */
491 extern FILE *fopen_or_warn(const char *filename, const char *mode);
492 /* "Opens" stdin if filename is special, else just opens file: */
493 extern FILE *fopen_or_warn_stdin(const char *filename);
495 /* Wrapper which restarts poll on EINTR or ENOMEM.
496 * On other errors complains [perror("poll")] and returns.
497 * Warning! May take (much) longer than timeout_ms to return!
498 * If this is a problem, use bare poll and open-code EINTR/ENOMEM handling */
499 int safe_poll(struct pollfd *ufds, nfds_t nfds, int timeout_ms);
501 /* Convert each alpha char in str to lower-case */
502 char* str_tolower(char *str);
504 char *utoa(unsigned n);
506 /* Returns a pointer past the formatted number, does NOT null-terminate */
507 char *utoa_to_buf(unsigned n, char *buf, unsigned buflen);
508 char *itoa_to_buf(int n, char *buf, unsigned buflen);
509 /* Intelligent formatters of bignums */
510 void smart_ulltoa4(unsigned long long ul, char buf[5], const char *scale);
511 void smart_ulltoa5(unsigned long long ul, char buf[5], const char *scale);
512 //TODO: provide pointer to buf (avoid statics)?
513 const char *make_human_readable_str(unsigned long long size,
514 unsigned long block_size, unsigned long display_unit);
515 /* Put a string of hex bytes ("1b2e66fe"...), return advanced pointer */
516 char *bin2hex(char *buf, const char *cp, int count);
518 /* Last element is marked by mult == 0 */
525 /* Using xatoi() instead of naive atoi() is not always convenient -
526 * in many places people want *non-negative* values, but store them
527 * in signed int. Therefore we need this one:
528 * dies if input is not in [0, INT_MAX] range. Also will reject '-0' etc */
529 int xatoi_u(const char *numstr);
530 /* Useful for reading port numbers */
531 uint16_t xatou16(const char *numstr);
534 /* These parse entries in /etc/passwd and /etc/group. This is desirable
535 * for BusyBox since we want to avoid using the glibc NSS stuff, which
536 * increases target size and is often not needed on embedded systems. */
537 long xuname2uid(const char *name);
538 long xgroup2gid(const char *name);
539 /* wrapper: allows string to contain numeric uid or gid */
540 unsigned long get_ug_id(const char *s, long (*xname2id)(const char *));
541 /* from chpst. Does not die, returns 0 on failure */
546 /* always sets uid and gid */
547 int get_uidgid(struct bb_uidgid_t*, const char*, int numeric_ok);
548 /* chown-like handling of "user[:[group]" */
549 void parse_chown_usergroup_or_die(struct bb_uidgid_t *u, char *user_group);
550 /* bb_getpwuid, bb_getgrgid:
551 * bb_getXXXid(buf, bufsz, id) - copy user/group name or id
552 * as a string to buf, return user/group name or NULL
553 * bb_getXXXid(NULL, 0, id) - return user/group name or NULL
554 * bb_getXXXid(NULL, -1, id) - return user/group name or exit
556 char *bb_getpwuid(char *name, int bufsize, long uid);
557 char *bb_getgrgid(char *group, int bufsize, long gid);
558 /* versions which cache results (useful for ps, ls etc) */
559 const char* get_cached_username(uid_t uid);
560 const char* get_cached_groupname(gid_t gid);
561 void clear_username_cache(void);
562 /* internally usernames are saved in fixed-sized char[] buffers */
563 enum { USERNAME_MAX_SIZE = 16 - sizeof(int) };
566 int execable_file(const char *name);
567 char *find_execable(const char *filename);
568 int exists_execable(const char *filename);
570 /* BB_EXECxx always execs (it's not doing NOFORK/NOEXEC stuff),
571 * but it may exec busybox and call applet instead of searching PATH.
573 #if ENABLE_FEATURE_PREFER_APPLETS
574 int bb_execvp(const char *file, char *const argv[]);
575 #define BB_EXECVP(prog,cmd) bb_execvp(prog,cmd)
576 #define BB_EXECLP(prog,cmd,...) \
577 execlp((find_applet_by_name(prog) >= 0) ? CONFIG_BUSYBOX_EXEC_PATH : prog, \
580 #define BB_EXECVP(prog,cmd) execvp(prog,cmd)
581 #define BB_EXECLP(prog,cmd,...) execlp(prog,cmd, __VA_ARGS__)
584 /* NOMMU friendy fork+exec */
585 pid_t spawn(char **argv);
586 pid_t xspawn(char **argv);
588 /* Unlike waitpid, waits ONLY for one process,
589 * It's safe to pass negative 'pids' from failed [v]fork -
590 * wait4pid will return -1 (and will not clobber [v]fork's errno).
591 * IOW: rc = wait4pid(spawn(argv));
592 * if (rc < 0) bb_perror_msg("%s", argv[0]);
593 * if (rc > 0) bb_error_msg("exit code: %d", rc);
595 int safe_waitpid(int pid, int *wstat, int options);
596 int wait4pid(int pid);
597 int wait_any_nohang(int *wstat);
598 #define wait_crashed(w) ((w) & 127)
599 #define wait_exitcode(w) ((w) >> 8)
600 #define wait_stopsig(w) ((w) >> 8)
601 #define wait_stopped(w) (((w) & 127) == 127)
602 /* wait4pid(spawn(argv)) + NOFORK/NOEXEC (if configured) */
603 int spawn_and_wait(char **argv);
604 struct nofork_save_area {
606 const char *applet_name;
607 int xfunc_error_retval;
608 uint32_t option_mask32;
612 void save_nofork_data(struct nofork_save_area *save);
613 void restore_nofork_data(struct nofork_save_area *save);
614 /* Does NOT check that applet is NOFORK, just blindly runs it */
615 int run_nofork_applet(int applet_no, char **argv);
616 int run_nofork_applet_prime(struct nofork_save_area *old, int applet_no, char **argv);
618 /* Helpers for daemonization.
620 * bb_daemonize(flags) = daemonize, does not compile on NOMMU
622 * bb_daemonize_or_rexec(flags, argv) = daemonizes on MMU (and ignores argv),
623 * rexec's itself on NOMMU with argv passed as command line.
624 * Thus bb_daemonize_or_rexec may cause your <applet>_main() to be re-executed
625 * from the start. (It will detect it and not reexec again second time).
626 * You have to audit carefully that you don't do something twice as a result
627 * (opening files/sockets, parsing config files etc...)!
629 * Both of the above will redirect fd 0,1,2 to /dev/null and drop ctty
630 * (will do setsid()).
632 * forkexit_or_rexec(argv) = bare-bones "fork + parent exits" on MMU,
633 * "vfork + re-exec ourself" on NOMMU. No fd redirection, no setsid().
634 * Currently used for openvt. On MMU ignores argv.
636 * Helper for network daemons in foreground mode:
638 * bb_sanitize_stdio() = make sure that fd 0,1,2 are opened by opening them
639 * to /dev/null if they are not.
642 DAEMON_CHDIR_ROOT = 1,
643 DAEMON_DEVNULL_STDIO = 2,
644 DAEMON_CLOSE_EXTRA_FDS = 4,
645 DAEMON_ONLY_SANITIZE = 8, /* internal use */
648 void forkexit_or_rexec(void);
649 enum { re_execed = 0 };
650 # define forkexit_or_rexec(argv) forkexit_or_rexec()
651 # define bb_daemonize_or_rexec(flags, argv) bb_daemonize_or_rexec(flags)
652 # define bb_daemonize(flags) bb_daemonize_or_rexec(flags, bogus)
654 void re_exec(char **argv) ATTRIBUTE_NORETURN;
655 void forkexit_or_rexec(char **argv);
656 extern bool re_execed;
657 # define fork() BUG_fork_is_unavailable_on_nommu()
658 # define daemon(a,b) BUG_daemon_is_unavailable_on_nommu()
659 # define bb_daemonize(a) BUG_bb_daemonize_is_unavailable_on_nommu()
661 void bb_daemonize_or_rexec(int flags, char **argv);
662 void bb_sanitize_stdio(void);
663 /* Clear dangerous stuff, set PATH */
664 void sanitize_env_for_suid(void);
667 extern const char *opt_complementary;
668 #if ENABLE_GETOPT_LONG
669 #define No_argument "\0"
670 #define Required_argument "\001"
671 #define Optional_argument "\002"
672 extern const char *applet_long_options;
674 extern uint32_t option_mask32;
675 extern uint32_t getopt32(char **argv, const char *applet_opts, ...);
678 typedef struct llist_t {
680 struct llist_t *link;
682 void llist_add_to(llist_t **old_head, void *data);
683 void llist_add_to_end(llist_t **list_head, void *data);
684 void *llist_pop(llist_t **elm);
685 void llist_unlink(llist_t **head, llist_t *elm);
686 void llist_free(llist_t *elm, void (*freeit)(void *data));
687 llist_t *llist_rev(llist_t *list);
688 /* BTW, surprisingly, changing API to
689 * llist_t *llist_add_to(llist_t *old_head, void *data)
690 * etc does not result in smaller code... */
692 /* start_stop_daemon and udhcpc are special - they want
693 * to create pidfiles regardless of FEATURE_PIDFILE */
694 #if ENABLE_FEATURE_PIDFILE || defined(WANT_PIDFILE)
695 /* True only if we created pidfile which is *file*, not /dev/null etc */
696 extern smallint wrote_pidfile;
697 void write_pidfile(const char *path);
698 #define remove_pidfile(path) do { if (wrote_pidfile) unlink(path); } while (0)
700 enum { wrote_pidfile = 0 };
701 #define write_pidfile(path) ((void)0)
702 #define remove_pidfile(path) ((void)0)
707 LOGMODE_STDIO = (1 << 0),
708 LOGMODE_SYSLOG = (1 << 1) * ENABLE_FEATURE_SYSLOG,
709 LOGMODE_BOTH = LOGMODE_SYSLOG + LOGMODE_STDIO,
711 extern const char *msg_eol;
712 extern smallint logmode;
713 extern int die_sleep;
714 extern int xfunc_error_retval;
715 extern jmp_buf die_jmp;
716 extern void xfunc_die(void) ATTRIBUTE_NORETURN;
717 extern void bb_show_usage(void) ATTRIBUTE_NORETURN;
718 extern void bb_error_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
719 extern void bb_error_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
720 extern void bb_perror_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
721 extern void bb_simple_perror_msg(const char *s);
722 extern void bb_perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
723 extern void bb_simple_perror_msg_and_die(const char *s) __attribute__ ((noreturn));
724 extern void bb_herror_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
725 extern void bb_herror_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
726 extern void bb_perror_nomsg_and_die(void) ATTRIBUTE_NORETURN;
727 extern void bb_perror_nomsg(void);
728 extern void bb_info_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
729 extern void bb_verror_msg(const char *s, va_list p, const char *strerr);
731 /* We need to export XXX_main from libbusybox
732 * only if we build "individual" binaries
734 #if ENABLE_FEATURE_INDIVIDUAL
735 #define MAIN_EXTERNALLY_VISIBLE EXTERNALLY_VISIBLE
737 #define MAIN_EXTERNALLY_VISIBLE
741 /* applets which are useful from another applets */
742 int bb_cat(char** argv);
743 int echo_main(int argc, char** argv) MAIN_EXTERNALLY_VISIBLE;
744 int test_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
745 int kill_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
747 void bb_displayroutes(int noresolve, int netstatfmt);
749 int chown_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
751 int gunzip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
754 int bunzip2_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
756 int bbunpack(char **argv,
757 char* (*make_new_name)(char *filename),
758 USE_DESKTOP(long long) int (*unpacker)(void)
763 int create_icmp_socket(void);
764 int create_icmp6_socket(void);
766 /* This structure defines protocol families and their handlers. */
772 char *(*print) (unsigned char *);
773 const char *(*sprint) (struct sockaddr *, int numeric);
774 int (*input) (/*int type,*/ const char *bufp, struct sockaddr *);
775 void (*herror) (char *text);
776 int (*rprint) (int options);
777 int (*rinput) (int typ, int ext, char **argv);
780 int (*getmask) (char *src, struct sockaddr * mask, char *name);
782 /* This structure defines hardware protocols and their handlers. */
788 char *(*print) (unsigned char *);
789 int (*input) (const char *, struct sockaddr *);
790 int (*activate) (int fd);
791 int suppress_null_addr;
793 extern smallint interface_opt_a;
794 int display_interfaces(char *ifname);
795 const struct aftype *get_aftype(const char *name);
796 const struct hwtype *get_hwtype(const char *name);
797 const struct hwtype *get_hwntype(int type);
800 #ifndef BUILD_INDIVIDUAL
801 extern int find_applet_by_name(const char *name);
802 /* Returns only if applet is not found. */
803 extern void run_applet_and_exit(const char *name, char **argv);
804 extern void run_applet_no_and_exit(int a, char **argv) ATTRIBUTE_NORETURN;
807 extern int match_fstype(const struct mntent *mt, const char *fstypes);
808 extern struct mntent *find_mount_point(const char *name, const char *table);
809 extern void erase_mtab(const char * name);
810 extern unsigned int tty_baud_to_value(speed_t speed);
811 extern speed_t tty_value_to_baud(unsigned int value);
812 extern void bb_warn_ignoring_args(int n);
814 extern int get_linux_version_code(void);
816 extern char *query_loop(const char *device);
817 extern int del_loop(const char *device);
818 /* If *devname is not NULL, use that name, otherwise try to find free one,
819 * malloc and return it in *devname.
820 * return value: 1: read-only loopdev was setup, 0: rw, < 0: error */
821 extern int set_loop(char **devname, const char *file, unsigned long long offset);
824 //TODO: pass buf pointer or return allocated buf (avoid statics)?
825 char *bb_askpass(int timeout, const char * prompt);
826 int bb_ask_confirmation(void);
828 extern int bb_parse_mode(const char* s, mode_t* theMode);
830 char *concat_path_file(const char *path, const char *filename);
831 char *concat_subpath_file(const char *path, const char *filename);
832 const char *bb_basename(const char *name);
833 /* NB: can violate const-ness (similarly to strchr) */
834 char *last_char_is(const char *s, int c);
837 USE_DESKTOP(long long) int uncompress(int fd_in, int fd_out);
838 int inflate(int in, int out);
841 int bb_make_directory(char *path, long mode, int flags);
843 int get_signum(const char *name);
844 const char *get_signame(int number);
845 void print_signames(void);
847 char *bb_simplify_path(const char *path);
850 extern void bb_do_delay(int seconds);
851 extern void change_identity(const struct passwd *pw);
852 extern const char *change_identity_e2str(const struct passwd *pw);
853 extern void run_shell(const char *shell, int loginshell, const char *command, const char **additional_args) ATTRIBUTE_NORETURN;
854 extern void run_shell(const char *shell, int loginshell, const char *command, const char **additional_args);
856 extern void renew_current_security_context(void);
857 extern void set_current_security_context(security_context_t sid);
858 extern context_t set_security_context_component(security_context_t cur_context,
859 char *user, char *role, char *type, char *range);
860 extern void setfscreatecon_or_die(security_context_t scontext);
861 extern void selinux_preserve_fcontext(int fdesc);
863 #define selinux_preserve_fcontext(fdesc) ((void)0)
865 extern void selinux_or_die(void);
866 extern int restricted_shell(const char *shell);
868 /* setup_environment:
869 * if loginshell = 1: cd(pw->pw_dir), clear environment, then set
871 * USER=pw->pw_name, LOGNAME=pw->pw_name
872 * PATH=bb_default_[root_]path
875 * else if changeenv = 1:
876 * if not root (if pw->pw_uid != 0):
877 * USER=pw->pw_name, LOGNAME=pw->pw_name
882 extern void setup_environment(const char *shell, int loginshell, int changeenv, const struct passwd *pw);
883 extern int correct_password(const struct passwd *pw);
884 /* Returns a ptr to static storage */
885 extern char *pw_encrypt(const char *clear, const char *salt);
886 extern int obscure(const char *old, const char *newval, const struct passwd *pwdp);
888 int index_in_str_array(const char *const string_array[], const char *key);
889 int index_in_strings(const char *strings, const char *key);
890 int index_in_substr_array(const char *const string_array[], const char *key);
891 int index_in_substrings(const char *strings, const char *key);
892 const char *nth_string(const char *strings, int n);
894 extern void print_login_issue(const char *issue_file, const char *tty);
895 extern void print_login_prompt(void);
897 /* rnd is additional random input. New one is returned.
898 * Useful if you call crypt_make_salt many times in a row:
899 * rnd = crypt_make_salt(buf1, 4, 0);
900 * rnd = crypt_make_salt(buf2, 4, rnd);
901 * rnd = crypt_make_salt(buf3, 4, rnd);
902 * (otherwise we risk having same salt generated)
904 extern int crypt_make_salt(char *p, int cnt, int rnd);
906 /* Returns number of lines changed, or -1 on error */
907 extern int update_passwd(const char *filename, const char *username,
910 /* NB: typically you want to pass fd 0, not 1. Think 'applet | grep something' */
911 int get_terminal_width_height(int fd, int *width, int *height);
913 int ioctl_or_perror(int fd, int request, void *argp, const char *fmt,...) __attribute__ ((format (printf, 4, 5)));
914 void ioctl_or_perror_and_die(int fd, int request, void *argp, const char *fmt,...) __attribute__ ((format (printf, 4, 5)));
915 #if ENABLE_IOCTL_HEX2STR_ERROR
916 int bb_ioctl_or_warn(int fd, int request, void *argp, const char *ioctl_name);
917 void bb_xioctl(int fd, int request, void *argp, const char *ioctl_name);
918 #define ioctl_or_warn(fd,request,argp) bb_ioctl_or_warn(fd,request,argp,#request)
919 #define xioctl(fd,request,argp) bb_xioctl(fd,request,argp,#request)
921 int bb_ioctl_or_warn(int fd, int request, void *argp);
922 void bb_xioctl(int fd, int request, void *argp);
923 #define ioctl_or_warn(fd,request,argp) bb_ioctl_or_warn(fd,request,argp)
924 #define xioctl(fd,request,argp) bb_xioctl(fd,request,argp)
927 char *is_in_ino_dev_hashtable(const struct stat *statbuf);
928 void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name);
929 void reset_ino_dev_hashtable(void);
931 /* At least glibc has horrendously large inline for this, so wrap it */
932 unsigned long long bb_makedev(unsigned int major, unsigned int minor);
934 #define makedev(a,b) bb_makedev(a,b)
938 #if ENABLE_FEATURE_EDITING
939 /* It's NOT just ENABLEd or disabled. It's a number: */
940 #ifdef CONFIG_FEATURE_EDITING_HISTORY
941 #define MAX_HISTORY (CONFIG_FEATURE_EDITING_HISTORY + 0)
943 #define MAX_HISTORY 0
945 typedef struct line_input_t {
947 const char *path_lookup;
951 USE_FEATURE_EDITING_SAVEHISTORY(const char *hist_file;)
952 char *history[MAX_HISTORY + 1];
956 DO_HISTORY = 1 * (MAX_HISTORY > 0),
957 SAVE_HISTORY = 2 * (MAX_HISTORY > 0) * ENABLE_FEATURE_EDITING_SAVEHISTORY,
958 TAB_COMPLETION = 4 * ENABLE_FEATURE_TAB_COMPLETION,
959 USERNAME_COMPLETION = 8 * ENABLE_FEATURE_USERNAME_COMPLETION,
960 VI_MODE = 0x10 * ENABLE_FEATURE_EDITING_VI,
961 WITH_PATH_LOOKUP = 0x20,
962 FOR_SHELL = DO_HISTORY | SAVE_HISTORY | TAB_COMPLETION | USERNAME_COMPLETION,
964 line_input_t *new_line_input_t(int flags);
966 * -1 on read errors or EOF, or on bare Ctrl-D,
967 * 0 on ctrl-C (the line entered is still returned in 'command'),
968 * >0 length of input string, including terminating '\n'
970 int read_line_input(const char* prompt, char* command, int maxsize, line_input_t *state);
972 int read_line_input(const char* prompt, char* command, int maxsize);
973 #define read_line_input(prompt, command, maxsize, state) \
974 read_line_input(prompt, command, maxsize)
980 enum { COMM_LEN = TASK_COMM_LEN };
982 /* synchronize with sizeof(task_struct.comm) in /usr/include/linux/sched.h */
983 enum { COMM_LEN = 16 };
986 typedef struct procps_status_t {
988 uint8_t shift_pages_to_bytes;
989 uint8_t shift_pages_to_kb;
990 /* Fields are set to 0/NULL if failed to determine (or not requested) */
992 USE_SELINUX(char *context;)
993 /* Everything below must contain no ptrs to malloc'ed data:
994 * it is memset(0) for each process in procps_scan() */
995 unsigned long vsz, rss; /* we round it to kbytes */
996 unsigned long stime, utime;
997 unsigned long start_time;
1004 unsigned tty_major,tty_minor;
1005 #if ENABLE_FEATURE_TOPMEM
1006 unsigned long mapped_rw;
1007 unsigned long mapped_ro;
1008 unsigned long shared_clean;
1009 unsigned long shared_dirty;
1010 unsigned long private_clean;
1011 unsigned long private_dirty;
1012 unsigned long stack;
1015 /* basename of executable in exec(2), read from /proc/N/stat
1016 * (if executable is symlink or script, it is NOT replaced
1017 * by link target or interpreter name) */
1018 char comm[COMM_LEN];
1019 /* user/group? - use passwd/group parsing functions */
1022 PSSCAN_PID = 1 << 0,
1023 PSSCAN_PPID = 1 << 1,
1024 PSSCAN_PGID = 1 << 2,
1025 PSSCAN_SID = 1 << 3,
1026 PSSCAN_UIDGID = 1 << 4,
1027 PSSCAN_COMM = 1 << 5,
1028 /* PSSCAN_CMD = 1 << 6, - use read_cmdline instead */
1029 PSSCAN_ARGV0 = 1 << 7,
1030 /* PSSCAN_EXE = 1 << 8, - not implemented */
1031 PSSCAN_STATE = 1 << 9,
1032 PSSCAN_VSZ = 1 << 10,
1033 PSSCAN_RSS = 1 << 11,
1034 PSSCAN_STIME = 1 << 12,
1035 PSSCAN_UTIME = 1 << 13,
1036 PSSCAN_TTY = 1 << 14,
1037 PSSCAN_SMAPS = (1 << 15) * ENABLE_FEATURE_TOPMEM,
1038 PSSCAN_ARGVN = (1 << 16) * (ENABLE_PGREP | ENABLE_PKILL),
1039 USE_SELINUX(PSSCAN_CONTEXT = 1 << 17,)
1040 PSSCAN_START_TIME = 1 << 18,
1041 /* These are all retrieved from proc/NN/stat in one go: */
1042 PSSCAN_STAT = PSSCAN_PPID | PSSCAN_PGID | PSSCAN_SID
1043 | PSSCAN_COMM | PSSCAN_STATE
1044 | PSSCAN_VSZ | PSSCAN_RSS
1045 | PSSCAN_STIME | PSSCAN_UTIME | PSSCAN_START_TIME
1048 procps_status_t* alloc_procps_scan(int flags);
1049 void free_procps_scan(procps_status_t* sp);
1050 procps_status_t* procps_scan(procps_status_t* sp, int flags);
1051 /* Format cmdline (up to col chars) into char buf[col+1] */
1052 /* Puts [comm] if cmdline is empty (-> process is a kernel thread) */
1053 void read_cmdline(char *buf, int col, unsigned pid, const char *comm);
1054 pid_t *find_pid_by_name(const char* procName);
1055 pid_t *pidlist_reverse(pid_t *pidList);
1058 extern const char bb_uuenc_tbl_base64[];
1059 extern const char bb_uuenc_tbl_std[];
1060 void bb_uuencode(char *store, const void *s, int length, const char *tbl);
1062 typedef struct sha1_ctx_t {
1067 void sha1_begin(sha1_ctx_t *ctx);
1068 void sha1_hash(const void *data, size_t length, sha1_ctx_t *ctx);
1069 void *sha1_end(void *resbuf, sha1_ctx_t *ctx);
1071 typedef struct md5_ctx_t {
1080 void md5_begin(md5_ctx_t *ctx);
1081 void md5_hash(const void *data, size_t length, md5_ctx_t *ctx);
1082 void *md5_end(void *resbuf, md5_ctx_t *ctx);
1084 uint32_t *crc32_filltable(uint32_t *tbl256, int endian);
1087 enum { /* DO NOT CHANGE THESE VALUES! cp.c, mv.c, install.c depend on them. */
1088 FILEUTILS_PRESERVE_STATUS = 1,
1089 FILEUTILS_DEREFERENCE = 2,
1090 FILEUTILS_RECUR = 4,
1091 FILEUTILS_FORCE = 8,
1092 FILEUTILS_INTERACTIVE = 0x10,
1093 FILEUTILS_MAKE_HARDLINK = 0x20,
1094 FILEUTILS_MAKE_SOFTLINK = 0x40,
1096 FILEUTILS_PRESERVE_SECURITY_CONTEXT = 0x80,
1097 FILEUTILS_SET_SECURITY_CONTEXT = 0x100
1101 #define FILEUTILS_CP_OPTSTR "pdRfils" USE_SELINUX("c")
1102 extern const char *applet_name;
1103 /* "BusyBox vN.N.N (timestamp or extra_version)" */
1104 extern const char bb_banner[];
1105 extern const char bb_msg_memory_exhausted[];
1106 extern const char bb_msg_invalid_date[];
1107 extern const char bb_msg_read_error[];
1108 extern const char bb_msg_write_error[];
1109 extern const char bb_msg_unknown[];
1110 extern const char bb_msg_can_not_create_raw_socket[];
1111 extern const char bb_msg_perm_denied_are_you_root[];
1112 extern const char bb_msg_requires_arg[];
1113 extern const char bb_msg_invalid_arg[];
1114 extern const char bb_msg_standard_input[];
1115 extern const char bb_msg_standard_output[];
1117 extern const char bb_str_default[];
1118 /* NB: (bb_hexdigits_upcase[i] | 0x20) -> lowercase hex digit */
1119 extern const char bb_hexdigits_upcase[];
1121 extern const char bb_path_mtab_file[];
1122 extern const char bb_path_passwd_file[];
1123 extern const char bb_path_shadow_file[];
1124 extern const char bb_path_gshadow_file[];
1125 extern const char bb_path_group_file[];
1126 extern const char bb_path_motd_file[];
1127 extern const char bb_path_wtmp_file[];
1128 extern const char bb_dev_null[];
1129 extern const char bb_busybox_exec_path[];
1130 /* util-linux manpage says /sbin:/bin:/usr/sbin:/usr/bin,
1131 * but I want to save a few bytes here */
1132 extern const char bb_PATH_root_path[]; /* "PATH=/sbin:/usr/sbin:/bin:/usr/bin" */
1133 #define bb_default_root_path (bb_PATH_root_path + sizeof("PATH"))
1134 #define bb_default_path (bb_PATH_root_path + sizeof("PATH=/sbin:/usr/sbin"))
1136 extern const int const_int_0;
1137 extern const int const_int_1;
1143 /* Providing hard guarantee on minimum size (think of BUFSIZ == 128) */
1144 enum { COMMON_BUFSIZE = (BUFSIZ >= 256*sizeof(void*) ? BUFSIZ+1 : 256*sizeof(void*)) };
1145 extern char bb_common_bufsiz1[COMMON_BUFSIZE];
1146 /* This struct is deliberately not defined. */
1147 /* See docs/keep_data_small.txt */
1149 /* '*const' ptr makes gcc optimize code much better.
1150 * Magic prevents ptr_to_globals from going into rodata.
1151 * If you want to assign a value, use PTR_TO_GLOBALS = xxx */
1152 extern struct globals *const ptr_to_globals;
1153 #define PTR_TO_GLOBALS (*(struct globals**)&ptr_to_globals)
1156 /* You can change LIBBB_DEFAULT_LOGIN_SHELL, but don't use it,
1157 * use bb_default_login_shell and following defines.
1158 * If you change LIBBB_DEFAULT_LOGIN_SHELL,
1159 * don't forget to change increment constant. */
1160 #define LIBBB_DEFAULT_LOGIN_SHELL "-/bin/sh"
1161 extern const char bb_default_login_shell[];
1163 #define DEFAULT_SHELL (bb_default_login_shell+1)
1165 #define DEFAULT_SHELL_SHORT_NAME (bb_default_login_shell+6)
1168 #if ENABLE_FEATURE_DEVFS
1169 # define CURRENT_VC "/dev/vc/0"
1170 # define VC_1 "/dev/vc/1"
1171 # define VC_2 "/dev/vc/2"
1172 # define VC_3 "/dev/vc/3"
1173 # define VC_4 "/dev/vc/4"
1174 # define VC_5 "/dev/vc/5"
1175 #if defined(__sh__) || defined(__H8300H__) || defined(__H8300S__)
1176 /* Yes, this sucks, but both SH (including sh64) and H8 have a SCI(F) for their
1177 respective serial ports .. as such, we can't use the common device paths for
1179 # define SC_0 "/dev/ttsc/0"
1180 # define SC_1 "/dev/ttsc/1"
1181 # define SC_FORMAT "/dev/ttsc/%d"
1183 # define SC_0 "/dev/tts/0"
1184 # define SC_1 "/dev/tts/1"
1185 # define SC_FORMAT "/dev/tts/%d"
1187 # define VC_FORMAT "/dev/vc/%d"
1188 # define LOOP_FORMAT "/dev/loop/%d"
1189 # define LOOP_NAMESIZE (sizeof("/dev/loop/") + sizeof(int)*3 + 1)
1190 # define LOOP_NAME "/dev/loop/"
1191 # define FB_0 "/dev/fb/0"
1193 # define CURRENT_VC "/dev/tty0"
1194 # define VC_1 "/dev/tty1"
1195 # define VC_2 "/dev/tty2"
1196 # define VC_3 "/dev/tty3"
1197 # define VC_4 "/dev/tty4"
1198 # define VC_5 "/dev/tty5"
1199 #if defined(__sh__) || defined(__H8300H__) || defined(__H8300S__)
1200 # define SC_0 "/dev/ttySC0"
1201 # define SC_1 "/dev/ttySC1"
1202 # define SC_FORMAT "/dev/ttySC%d"
1204 # define SC_0 "/dev/ttyS0"
1205 # define SC_1 "/dev/ttyS1"
1206 # define SC_FORMAT "/dev/ttyS%d"
1208 # define VC_FORMAT "/dev/tty%d"
1209 # define LOOP_FORMAT "/dev/loop%d"
1210 # define LOOP_NAMESIZE (sizeof("/dev/loop") + sizeof(int)*3 + 1)
1211 # define LOOP_NAME "/dev/loop"
1212 # define FB_0 "/dev/fb0"
1215 /* The following devices are the same on devfs and non-devfs systems. */
1216 #define CURRENT_TTY "/dev/tty"
1217 #define DEV_CONSOLE "/dev/console"
1220 #ifndef RB_POWER_OFF
1221 /* Stop system and switch power off if possible. */
1222 #define RB_POWER_OFF 0x4321fedc
1225 /* Make sure we call functions instead of macros. */
1239 /* This one is more efficient - we save ~400 bytes */
1241 #define isdigit(a) ((unsigned)((a) - '0') <= 9)
1245 #include <dmalloc.h>
1248 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
1250 #endif /* __LIBBUSYBOX_H__ */