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
13 #include "bb_config.h"
30 #include <sys/ioctl.h>
32 #include <sys/socket.h>
34 #include <sys/statfs.h>
36 #include <sys/types.h>
44 #include <selinux/selinux.h>
47 #ifdef CONFIG_LOCALE_SUPPORT
50 #define setlocale(x,y)
57 /* Try to pull in PATH_MAX */
59 #include <sys/param.h>
64 /* Not (yet) used, but tested to work correctly
65 #define MAXINT(T) (T)( \
68 : (T)~((T)1 << (sizeof(T)*8-1)) \
71 #define MININT(T) (T)( \
74 : ((T)1 << (sizeof(T)*8-1)) \
78 /* Large file support */
79 /* Note that CONFIG_LFS forces bbox to be built with all common ops
80 * (stat, lseek etc) mapped to "largefile" variants by libc.
81 * Practically it means that open() automatically has O_LARGEFILE added
82 * and all filesize/file_offset parameters and struct members are "large"
83 * (in today's world - signed 64bit). For full support of large files,
84 * we need a few helper #defines (below) and careful use of off_t
85 * instead of int/ssize_t. No lseek64(), O_LARGEFILE etc necessary */
87 /* CONFIG_LFS is on */
88 # if ULONG_MAX > 0xffffffff
89 /* "long" is long enough on this system */
90 # define STRTOOFF strtol
91 # define SAFE_STRTOOFF safe_strtol
92 # define XSTRTOUOFF xstrtoul
93 # define OFF_FMT "%ld"
95 /* "long" is too short, need "long long" */
96 # define STRTOOFF strtoll
97 # define SAFE_STRTOOFF safe_strtoll
98 # define XSTRTOUOFF xstrtoull
99 # define OFF_FMT "%lld"
102 # if 0 /* #if UINT_MAX == 0xffffffff */
103 /* Doesn't work. off_t is a long. gcc will throw warnings on printf("%d", off_t)
104 * even if long==int on this arch. Crap... */
105 # define STRTOOFF strtol
106 # define SAFE_STRTOOFF safe_strtoi
107 # define XSTRTOUOFF xstrtou
108 # define OFF_FMT "%d"
110 # define STRTOOFF strtol
111 # define SAFE_STRTOOFF safe_strtol
112 # define XSTRTOUOFF xstrtoul
113 # define OFF_FMT "%ld"
116 /* scary. better ideas? (but do *test* them first!) */
117 #define OFF_T_MAX ((off_t)~((off_t)1 << (sizeof(off_t)*8-1)))
119 /* Some useful definitions */
121 #define FALSE ((int) 0)
123 #define TRUE ((int) 1)
125 #define SKIP ((int) 2)
128 #define MTAB_GETMOUNTPT '1'
129 #define MTAB_GETDEVICE '2'
131 #define BUF_SIZE 8192
132 #define EXPAND_ALLOC 1024
134 /* Macros for min/max. */
136 #define MIN(a,b) (((a)<(b))?(a):(b))
140 #define MAX(a,b) (((a)>(b))?(a):(b))
143 /* buffer allocation schemes */
144 #ifdef CONFIG_FEATURE_BUFFERS_GO_ON_STACK
145 #define RESERVE_CONFIG_BUFFER(buffer,len) char buffer[len]
146 #define RESERVE_CONFIG_UBUFFER(buffer,len) unsigned char buffer[len]
147 #define RELEASE_CONFIG_BUFFER(buffer) ((void)0)
149 #ifdef CONFIG_FEATURE_BUFFERS_GO_IN_BSS
150 #define RESERVE_CONFIG_BUFFER(buffer,len) static char buffer[len]
151 #define RESERVE_CONFIG_UBUFFER(buffer,len) static unsigned char buffer[len]
152 #define RELEASE_CONFIG_BUFFER(buffer) ((void)0)
154 #define RESERVE_CONFIG_BUFFER(buffer,len) char *buffer=xmalloc(len)
155 #define RESERVE_CONFIG_UBUFFER(buffer,len) unsigned char *buffer=xmalloc(len)
156 #define RELEASE_CONFIG_BUFFER(buffer) free (buffer)
161 typedef struct llist_s {
163 struct llist_s *link;
165 extern void llist_add_to(llist_t **old_head, void *data);
166 extern void llist_add_to_end(llist_t **list_head, void *data);
167 extern void *llist_pop(llist_t **elm);
168 extern void llist_free(llist_t *elm, void (*freeit)(void *data));
173 LOGMODE_STDIO = 1<<0,
174 LOGMODE_SYSLOG = 1<<1,
175 LOGMODE_BOTH = LOGMODE_SYSLOG + LOGMODE_STDIO,
177 extern const char *msg_eol;
179 extern int die_sleep;
181 extern void bb_show_usage(void) ATTRIBUTE_NORETURN ATTRIBUTE_EXTERNALLY_VISIBLE;
182 extern void bb_error_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
183 extern void bb_error_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
184 extern void bb_perror_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
185 extern void bb_perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
186 extern void bb_vherror_msg(const char *s, va_list p);
187 extern void bb_herror_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
188 extern void bb_herror_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
190 extern void bb_perror_nomsg_and_die(void) ATTRIBUTE_NORETURN;
191 extern void bb_perror_nomsg(void);
193 extern void bb_info_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
195 /* These two are used internally -- you shouldn't need to use them */
196 extern void bb_verror_msg(const char *s, va_list p, const char *strerr) __attribute__ ((format (printf, 1, 0)));
197 extern void bb_vperror_msg(const char *s, va_list p) __attribute__ ((format (printf, 1, 0)));
198 extern void bb_vinfo_msg(const char *s, va_list p) __attribute__ ((format (printf, 1, 0)));
200 extern int bb_echo(int argc, char** argv);
201 extern int bb_test(int argc, char** argv);
203 extern const char *bb_mode_string(int mode);
204 extern int is_directory(const char *name, int followLinks, struct stat *statBuf);
205 extern DIR *warn_opendir(const char *path);
206 extern DIR *xopendir(const char *path);
208 extern ssize_t safe_read(int fd, void *buf, size_t count);
209 extern ssize_t full_read(int fd, void *buf, size_t count);
210 extern void xread(int fd, void *buf, size_t count);
211 extern unsigned char xread_char(int fd);
212 extern char *reads(int fd, char *buf, size_t count);
213 ssize_t read_close(int fd, void *buf, size_t count);
214 ssize_t open_read_close(const char *filename, void *buf, size_t count);
215 void *xmalloc_open_read_close(const char *filename, size_t *sizep);
217 extern ssize_t safe_write(int fd, const void *buf, size_t count);
218 extern ssize_t full_write(int fd, const void *buf, size_t count);
219 extern void xwrite(int fd, void *buf, size_t count);
221 extern int remove_file(const char *path, int flags);
222 extern int copy_file(const char *source, const char *dest, int flags);
224 extern int recursive_action(const char *fileName, int recurse,
225 int followLinks, int depthFirst,
226 int (*fileAction) (const char *fileName, struct stat* statbuf, void* userData),
227 int (*dirAction) (const char *fileName, struct stat* statbuf, void* userData),
230 extern int bb_parse_mode( const char* s, mode_t* theMode);
232 extern unsigned int tty_baud_to_value(speed_t speed);
233 extern speed_t tty_value_to_baud(unsigned int value);
235 extern int get_linux_version_code(void);
237 extern int get_console_fd(void);
238 extern struct mntent *find_mount_point(const char *name, const char *table);
239 extern void erase_mtab(const char * name);
240 extern long *find_pid_by_name( const char* pidName);
241 extern long *pidlist_reverse(long *pidList);
242 extern char *find_block_device(char *path);
243 extern char *xmalloc_fgets(FILE *file);
244 /* Chops off '\n' from the end, unlike fgets: */
245 extern char *xmalloc_getline(FILE *file);
246 extern char *bb_get_chunk_from_file(FILE *file, int *end);
247 extern off_t bb_copyfd_size(int fd1, int fd2, off_t size);
248 extern off_t bb_copyfd_eof(int fd1, int fd2);
249 extern char bb_process_escape_sequence(const char **ptr);
250 extern char *bb_get_last_path_component(char *path);
251 extern FILE *bb_wfopen(const char *path, const char *mode);
252 extern FILE *bb_wfopen_input(const char *filename);
253 extern FILE *xfopen(const char *path, const char *mode);
255 extern int bb_fclose_nonstdin(FILE *f);
256 extern void bb_fflush_stdout_and_exit(int retval) ATTRIBUTE_NORETURN;
258 extern void xstat(char *filename, struct stat *buf);
259 extern int xsocket(int domain, int type, int protocol);
260 extern pid_t spawn(char **argv);
261 extern pid_t xspawn(char **argv);
262 extern int wait4pid(int pid);
263 extern void xdaemon(int nochdir, int noclose);
264 extern void xbind(int sockfd, struct sockaddr *my_addr, socklen_t addrlen);
265 extern void xlisten(int s, int backlog);
266 extern void xchdir(const char *path);
267 extern void utoa_to_buf(unsigned n, char *buf, unsigned buflen);
268 extern char *utoa(unsigned n);
269 extern void itoa_to_buf(int n, char *buf, unsigned buflen);
270 extern char *itoa(int n);
271 extern void xsetgid(gid_t gid);
272 extern void xsetuid(uid_t uid);
273 extern off_t fdlength(int fd);
275 enum { BB_GETOPT_ERROR = 0x80000000 };
276 extern const char *opt_complementary;
277 extern const struct option *applet_long_options;
278 extern uint32_t option_mask32;
279 extern uint32_t getopt32(int argc, char **argv, const char *applet_opts, ...);
281 extern int bb_vfprintf(FILE * __restrict stream, const char * __restrict format,
282 va_list arg) __attribute__ ((format (printf, 2, 0)));
283 extern int bb_vprintf(const char * __restrict format, va_list arg)
284 __attribute__ ((format (printf, 1, 0)));
285 extern int bb_fprintf(FILE * __restrict stream, const char * __restrict format, ...)
286 __attribute__ ((format (printf, 2, 3)));
287 extern int bb_printf(const char * __restrict format, ...)
288 __attribute__ ((format (printf, 1, 2)));
290 extern void xferror(FILE *fp, const char *fn);
291 extern void xferror_stdout(void);
292 extern void xfflush_stdout(void);
294 extern void bb_warn_ignoring_args(int n);
296 extern void chomp(char *s);
297 extern void trim(char *s);
298 extern char *skip_whitespace(const char *);
300 #ifndef BUILD_INDIVIDUAL
301 extern struct BB_applet *find_applet_by_name(const char *name);
302 extern void run_applet_by_name(const char *name, int argc, char **argv);
305 /* dmalloc will redefine these to it's own implementation. It is safe
306 * to have the prototypes here unconditionally. */
307 extern void *xmalloc(size_t size);
308 extern void *xrealloc(void *old, size_t size);
309 extern void *xzalloc(size_t size);
311 extern char *xstrdup(const char *s);
312 extern char *xstrndup(const char *s, int n);
313 extern char *safe_strncpy(char *dst, const char *src, size_t size);
314 // FIXME: the prototype doesn't match libc strtoXX -> confusion
315 // FIXME: alot of unchecked strtoXXX are still in tree
316 // FIXME: atoi_or_else(str, N)?
317 extern int safe_strtoi(const char *arg, int* value);
318 extern int safe_strtou(const char *arg, unsigned* value);
319 extern int safe_strtod(const char *arg, double* value);
320 extern int safe_strtol(const char *arg, long* value);
321 extern int safe_strtoll(const char *arg, long long* value);
322 extern int safe_strtoul(const char *arg, unsigned long* value);
323 extern int safe_strtoull(const char *arg, unsigned long long* value);
324 extern int safe_strtou32(const char *arg, uint32_t* value);
331 unsigned long long xstrtoull(const char *numstr, int base);
332 unsigned long long xatoull(const char *numstr);
333 unsigned long xstrtoul_range_sfx(const char *numstr, int base,
336 const struct suffix_mult *suffixes);
337 unsigned long xstrtoul_range(const char *numstr, int base,
339 unsigned long upper);
340 unsigned long xstrtoul_sfx(const char *numstr, int base,
341 const struct suffix_mult *suffixes);
342 unsigned long xstrtoul(const char *numstr, int base);
343 unsigned long xatoul_range_sfx(const char *numstr,
346 const struct suffix_mult *suffixes);
347 unsigned long xatoul_sfx(const char *numstr,
348 const struct suffix_mult *suffixes);
349 unsigned long xatoul_range(const char *numstr,
351 unsigned long upper);
352 unsigned long xatoul(const char *numstr);
353 long xstrtol_range_sfx(const char *numstr, int base,
356 const struct suffix_mult *suffixes);
357 long xstrtol_range(const char *numstr, int base, long lower, long upper);
358 long xatol_range_sfx(const char *numstr,
361 const struct suffix_mult *suffixes);
362 long xatol_range(const char *numstr, long lower, long upper);
363 long xatol_sfx(const char *numstr, const struct suffix_mult *suffixes);
364 long xatol(const char *numstr);
366 unsigned xatou(const char *numstr);
367 int xatoi_range(const char *numstr, int lower, int upper);
368 int xatoi(const char *numstr);
369 /* Using xatoi() instead of naive atoi() is not always convenient -
370 * in many places people want *non-negative* values, but store them
371 * in signed int. Therefore we need this one:
372 * dies if input is not in [0, INT_MAX] range. Also will reject '-0' etc */
373 int xatoi_u(const char *numstr);
374 uint32_t xatou32(const char *numstr);
375 /* Useful for reading port numbers */
376 uint16_t xatou16(const char *numstr);
378 /* These parse entries in /etc/passwd and /etc/group. This is desirable
379 * for BusyBox since we want to avoid using the glibc NSS stuff, which
380 * increases target size and is often not needed on embedded systems. */
381 extern long bb_xgetpwnam(const char *name);
382 extern long bb_xgetgrnam(const char *name);
383 extern char *bb_getug(char *buffer, char *idname, long id, int bufsize, char prefix);
384 extern char *bb_getpwuid(char *name, long uid, int bufsize);
385 extern char *bb_getgrgid(char *group, long gid, int bufsize);
386 extern char *bb_askpass(int timeout, const char * prompt);
392 extern unsigned uidgid_get(struct bb_uidgid_t*, const char* /*, unsigned*/);
395 extern int device_open(const char *device, int mode);
397 extern char *query_loop(const char *device);
398 extern int del_loop(const char *device);
399 extern int set_loop(char **device, const char *file, unsigned long long offset);
402 extern int vdprintf(int d, const char *format, va_list ap);
405 /* Include our own copy of struct sysinfo to avoid binary compatibility
406 * problems with Linux 2.4, which changed things. Grumble, grumble. */
408 long uptime; /* Seconds since boot */
409 unsigned long loads[3]; /* 1, 5, and 15 minute load averages */
410 unsigned long totalram; /* Total usable main memory size */
411 unsigned long freeram; /* Available memory size */
412 unsigned long sharedram; /* Amount of shared memory */
413 unsigned long bufferram; /* Memory used by buffers */
414 unsigned long totalswap; /* Total swap space size */
415 unsigned long freeswap; /* swap space still available */
416 unsigned short procs; /* Number of current processes */
417 unsigned short pad; /* Padding needed for m68k */
418 unsigned long totalhigh; /* Total high memory size */
419 unsigned long freehigh; /* Available high memory size */
420 unsigned int mem_unit; /* Memory unit size in bytes */
421 char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
423 extern int sysinfo (struct sysinfo* info);
427 MEGABYTE = (KILOBYTE*1024),
428 GIGABYTE = (MEGABYTE*1024)
430 const char *make_human_readable_str(unsigned long long size,
431 unsigned long block_size, unsigned long display_unit);
433 int bb_ask_confirmation(void);
434 int klogctl(int type, char * b, int len);
436 char *xgetcwd(char *cwd);
437 char *xreadlink(const char *path);
438 char *concat_path_file(const char *path, const char *filename);
439 char *concat_subpath_file(const char *path, const char *filename);
440 char *last_char_is(const char *s, int c);
442 char *fgets_str(FILE *file, const char *terminating_string);
444 int execable_file(const char *name);
445 char *find_execable(const char *filename);
446 int exists_execable(const char *filename);
448 extern USE_DESKTOP(long long) int uncompress(int fd_in, int fd_out);
449 extern int inflate(int in, int out);
451 extern struct hostent *xgethostbyname(const char *name);
452 extern struct hostent *xgethostbyname2(const char *name, int af);
453 extern int create_icmp_socket(void);
454 extern int create_icmp6_socket(void);
455 extern int xconnect(struct sockaddr_in *s_addr);
456 extern unsigned short bb_lookup_port(const char *port, const char *protocol, unsigned short default_port);
457 extern void bb_lookup_host(struct sockaddr_in *s_in, const char *host);
459 // This is declared here rather than #including <libgen.h> in order to avoid
460 // confusing the two versions of basename. See the dirname/basename man page
462 char *dirname(char *path);
464 int bb_make_directory(char *path, long mode, int flags);
466 int get_signum(const char *name);
467 const char *get_signame(int number);
469 char *bb_simplify_path(const char *path);
471 enum { /* DO NOT CHANGE THESE VALUES! cp.c depends on them. */
472 FILEUTILS_PRESERVE_STATUS = 1,
473 FILEUTILS_DEREFERENCE = 2,
476 FILEUTILS_INTERACTIVE = 16
479 extern const char *applet_name;
481 extern const char bb_msg_full_version[];
482 extern const char bb_msg_memory_exhausted[];
483 extern const char bb_msg_invalid_date[];
484 extern const char bb_msg_read_error[];
485 extern const char bb_msg_write_error[];
486 extern const char bb_msg_name_longer_than_foo[];
487 extern const char bb_msg_unknown[];
488 extern const char bb_msg_can_not_create_raw_socket[];
489 extern const char bb_msg_perm_denied_are_you_root[];
490 extern const char bb_msg_requires_arg[];
491 extern const char bb_msg_invalid_arg[];
492 extern const char bb_msg_standard_input[];
493 extern const char bb_msg_standard_output[];
495 extern const char bb_path_nologin_file[];
496 extern const char bb_path_passwd_file[];
497 extern const char bb_path_shadow_file[];
498 extern const char bb_path_gshadow_file[];
499 extern const char bb_path_group_file[];
500 extern const char bb_path_securetty_file[];
501 extern const char bb_path_motd_file[];
502 extern const char bb_path_wtmp_file[];
503 extern const char bb_dev_null[];
508 extern char bb_common_bufsiz1[BUFSIZ+1];
511 * You can change LIBBB_DEFAULT_LOGIN_SHELL, but don`t use,
512 * use bb_default_login_shell and next defines,
513 * if you LIBBB_DEFAULT_LOGIN_SHELL change,
514 * don`t lose change increment constant!
516 #define LIBBB_DEFAULT_LOGIN_SHELL "-/bin/sh"
518 extern const char bb_default_login_shell[];
520 #define DEFAULT_SHELL (bb_default_login_shell+1)
522 #define DEFAULT_SHELL_SHORT_NAME (bb_default_login_shell+6)
525 extern const char bb_path_mtab_file[];
527 extern int xfunc_error_retval;
529 #ifdef CONFIG_FEATURE_DEVFS
530 # define CURRENT_VC "/dev/vc/0"
531 # define VC_1 "/dev/vc/1"
532 # define VC_2 "/dev/vc/2"
533 # define VC_3 "/dev/vc/3"
534 # define VC_4 "/dev/vc/4"
535 # define VC_5 "/dev/vc/5"
536 #if defined(__sh__) || defined(__H8300H__) || defined(__H8300S__)
537 /* Yes, this sucks, but both SH (including sh64) and H8 have a SCI(F) for their
538 respective serial ports .. as such, we can't use the common device paths for
540 # define SC_0 "/dev/ttsc/0"
541 # define SC_1 "/dev/ttsc/1"
542 # define SC_FORMAT "/dev/ttsc/%d"
544 # define SC_0 "/dev/tts/0"
545 # define SC_1 "/dev/tts/1"
546 # define SC_FORMAT "/dev/tts/%d"
548 # define VC_FORMAT "/dev/vc/%d"
549 # define LOOP_FORMAT "/dev/loop/%d"
550 # define LOOP_NAME "/dev/loop/"
551 # define FB_0 "/dev/fb/0"
553 # define CURRENT_VC "/dev/tty0"
554 # define VC_1 "/dev/tty1"
555 # define VC_2 "/dev/tty2"
556 # define VC_3 "/dev/tty3"
557 # define VC_4 "/dev/tty4"
558 # define VC_5 "/dev/tty5"
559 #if defined(__sh__) || defined(__H8300H__) || defined(__H8300S__)
560 # define SC_0 "/dev/ttySC0"
561 # define SC_1 "/dev/ttySC1"
562 # define SC_FORMAT "/dev/ttySC%d"
564 # define SC_0 "/dev/ttyS0"
565 # define SC_1 "/dev/ttyS1"
566 # define SC_FORMAT "/dev/ttyS%d"
568 # define VC_FORMAT "/dev/tty%d"
569 # define LOOP_FORMAT "/dev/loop%d"
570 # define LOOP_NAME "/dev/loop"
571 # define FB_0 "/dev/fb0"
575 /* The following devices are the same on devfs and non-devfs systems. */
576 #define CURRENT_TTY "/dev/tty"
577 #define CONSOLE_DEV "/dev/console"
579 int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name);
580 void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name);
581 void reset_ino_dev_hashtable(void);
583 char *xasprintf(const char *format, ...) __attribute__ ((format (printf, 1, 2)));
584 void xprint_and_close_file(FILE *file);
587 extern void bb_do_delay(int seconds);
588 extern void change_identity(const struct passwd *pw);
589 extern const char *change_identity_e2str(const struct passwd *pw);
590 extern void run_shell(const char *shell, int loginshell, const char *command, const char **additional_args);
591 #ifdef CONFIG_SELINUX
592 extern void renew_current_security_context(void);
593 extern void set_current_security_context(security_context_t sid);
595 extern int run_parts(char **args, const unsigned char test_mode, char **env);
596 extern int restricted_shell(const char *shell);
597 extern void setup_environment(const char *shell, int loginshell, int changeenv, const struct passwd *pw);
598 extern int correct_password(const struct passwd *pw);
599 extern char *pw_encrypt(const char *clear, const char *salt);
600 extern int obscure(const char *old, const char *newval, const struct passwd *pwdp);
602 extern void xsetenv(const char *key, const char *value);
603 extern int xopen(const char *pathname, int flags);
604 extern int xopen3(const char *pathname, int flags, int mode);
605 extern off_t xlseek(int fd, off_t offset, int whence);
607 extern const char bb_uuenc_tbl_base64[];
608 extern const char bb_uuenc_tbl_std[];
609 extern void bb_uuencode(const unsigned char *s, char *store, const int length, const char *tbl);
613 #define COMM_LEN TASK_COMM_LEN
615 /* synchronize with sizeof(task_struct.comm) in /usr/include/linux/sched.h */
625 #ifdef CONFIG_FEATURE_TOP_CPU_USAGE_PERCENTAGE
628 unsigned long stime, utime;
632 /* basename of executable file in call to exec(2),
633 size from kernel headers */
634 char short_cmd[COMM_LEN];
637 extern procps_status_t * procps_scan(int save_user_arg0);
638 extern int compare_string_array(const char * const string_array[], const char *key);
640 extern void print_login_issue(const char *issue_file, const char *tty);
641 extern void print_login_prompt(void);
644 extern void vfork_daemon(int nochdir, int noclose);
645 extern void vfork_daemon_rexec(int nochdir, int noclose,
646 int argc, char **argv, char *foreground_opt);
649 extern int get_terminal_width_height(int fd, int *width, int *height);
650 extern unsigned long get_ug_id(const char *s, long (*__bb_getxxnam)(const char *));
652 typedef struct _sha1_ctx_t_ {
658 void sha1_begin(sha1_ctx_t *ctx);
659 void sha1_hash(const void *data, size_t length, sha1_ctx_t *ctx);
660 void *sha1_end(void *resbuf, sha1_ctx_t *ctx);
662 typedef struct _md5_ctx_t_ {
672 void md5_begin(md5_ctx_t *ctx);
673 void md5_hash(const void *data, size_t length, md5_ctx_t *ctx);
674 void *md5_end(void *resbuf, md5_ctx_t *ctx);
676 extern uint32_t *crc32_filltable (int endian);
679 /* Stop system and switch power off if possible. */
680 #define RB_POWER_OFF 0x4321fedc
683 extern const char BB_BANNER[];
685 // Make sure we call functions instead of macros.
704 #endif /* __LIBBUSYBOX_H__ */