/* vi: set sw=4 ts=4: */ /* * Busybox main internal header file * * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Based in part on code from sash, Copyright (c) 1999 by David I. Bell * Permission has been granted to redistribute this code under the GPL. * */ #ifndef _BB_INTERNAL_H_ #define _BB_INTERNAL_H_ 1 #include "busybox.def.h" #ifdef DMALLOC #include "dmalloc.h" #endif #include #include #include #include #include #include #include #include #include /* for the _syscall() macros */ #include #include /* Some useful definitions */ #define FALSE ((int) 1) #define TRUE ((int) 0) /* for mtab.c */ #define MTAB_GETMOUNTPT '1' #define MTAB_GETDEVICE '2' #define BUF_SIZE 8192 #define EXPAND_ALLOC 1024 #define isBlank(ch) (((ch) == ' ') || ((ch) == '\t')) #define isDecimal(ch) (((ch) >= '0') && ((ch) <= '9')) #define isOctal(ch) (((ch) >= '0') && ((ch) <= '7')) #define isWildCard(ch) (((ch) == '*') || ((ch) == '?') || ((ch) == '[')) /* Macros for min/max. */ #ifndef MIN #define MIN(a,b) (((a)<(b))?(a):(b)) #endif #ifndef MAX #define MAX(a,b) (((a)>(b))?(a):(b)) #endif /* I don't like nested includes, but the string and io functions are used * too often */ #include #if !defined(NO_STRING_H) || defined(STDC_HEADERS) # include # if !defined(STDC_HEADERS) && !defined(NO_MEMORY_H) && !defined(__GNUC__) # include # endif # define memzero(s, n) memset ((void *)(s), 0, (n)) #else # include # define strchr index # define strrchr rindex # define memcpy(d, s, n) bcopy((s), (d), (n)) # define memcmp(s1, s2, n) bcmp((s1), (s2), (n)) # define memzero(s, n) bzero((s), (n)) #endif enum Location { _BB_DIR_ROOT = 0, _BB_DIR_BIN, _BB_DIR_SBIN, _BB_DIR_USR_BIN, _BB_DIR_USR_SBIN }; struct BB_applet { const char* name; int (*main)(int argc, char** argv); enum Location location; }; /* From busybox.c */ extern const struct BB_applet applets[]; extern int ar_main(int argc, char **argv); extern int basename_main(int argc, char **argv); extern int busybox_main(int argc, char** argv); extern int cat_main(int argc, char** argv); extern int chmod_chown_chgrp_main(int argc, char** argv); extern int chroot_main(int argc, char** argv); extern int chvt_main(int argc, char** argv); extern int clear_main(int argc, char** argv); extern int cp_mv_main(int argc, char** argv); extern int cut_main(int argc, char** argv); extern int date_main(int argc, char** argv); extern int dc_main(int argc, char** argv); extern int dd_main(int argc, char** argv); extern int dirname_main(int argc, char** argv); extern int deallocvt_main(int argc, char** argv); extern int df_main(int argc, char** argv); extern int dmesg_main(int argc, char** argv); extern int du_main(int argc, char** argv); extern int dumpkmap_main(int argc, char** argv); extern int dutmp_main(int argc, char** argv); extern int echo_main(int argc, char** argv); extern int false_main(int argc, char** argv); extern int fbset_main(int argc, char** argv); extern int fdisk_main(int argc, char** argv); extern int fdflush_main(int argc, char **argv); extern int fsck_minix_main(int argc, char **argv); extern int find_main(int argc, char** argv); extern int free_main(int argc, char** argv); extern int freeramdisk_main(int argc, char** argv); extern int grep_main(int argc, char** argv); extern int gunzip_main (int argc, char** argv); extern int gzip_main(int argc, char** argv); extern int halt_main(int argc, char** argv); extern int head_main(int argc, char** argv); extern int hostid_main(int argc, char** argv); extern int hostname_main(int argc, char** argv); extern int id_main(int argc, char** argv); extern int init_main(int argc, char** argv); extern int insmod_main(int argc, char** argv); extern int kill_main(int argc, char** argv); extern int length_main(int argc, char** argv); extern int ln_main(int argc, char** argv); extern int loadacm_main(int argc, char** argv); extern int loadfont_main(int argc, char** argv); extern int loadkmap_main(int argc, char** argv); extern int losetup_main(int argc, char** argv); extern int logger_main(int argc, char **argv); extern int logname_main(int argc, char **argv); extern int ls_main(int argc, char** argv); extern int lsmod_main(int argc, char** argv); extern int makedevs_main(int argc, char** argv); extern int md5sum_main(int argc, char** argv); extern int mkdir_main(int argc, char** argv); extern int mkfifo_main(int argc, char **argv); extern int mkfs_minix_main(int argc, char **argv); extern int mknod_main(int argc, char** argv); extern int mkswap_main(int argc, char** argv); extern int mktemp_main(int argc, char **argv); extern int nc_main(int argc, char** argv); extern int more_main(int argc, char** argv); extern int mount_main(int argc, char** argv); extern int mt_main(int argc, char** argv); extern int nslookup_main(int argc, char **argv); extern int ping_main(int argc, char **argv); extern int poweroff_main(int argc, char **argv); extern int printf_main(int argc, char** argv); extern int ps_main(int argc, char** argv); extern int pwd_main(int argc, char** argv); extern int reboot_main(int argc, char** argv); extern int rm_main(int argc, char** argv); extern int rmdir_main(int argc, char **argv); extern int rmmod_main(int argc, char** argv); extern int sed_main(int argc, char** argv); extern int sfdisk_main(int argc, char** argv); extern int setkeycodes_main(int argc, char** argv); extern int shell_main(int argc, char** argv); extern int sleep_main(int argc, char** argv); extern int sort_main(int argc, char** argv); extern int swap_on_off_main(int argc, char** argv); extern int sync_main(int argc, char** argv); extern int syslogd_main(int argc, char **argv); extern int tail_main(int argc, char** argv); extern int tar_main(int argc, char** argv); extern int tee_main(int argc, char** argv); extern int test_main(int argc, char** argv); extern int telnet_main(int argc, char** argv); extern int touch_main(int argc, char** argv); extern int tr_main(int argc, char** argv); extern int true_main(int argc, char** argv); extern int tput_main(int argc, char** argv); extern int tryopen_main(int argc, char** argv); extern int tty_main(int argc, char** argv); extern int uuencode_main(int argc, char** argv); extern int uudecode_main(int argc, char** argv); extern int umount_main(int argc, char** argv); extern int uname_main(int argc, char** argv); extern int uptime_main(int argc, char** argv); extern int uniq_main(int argc, char** argv); extern int update_main(int argc, char** argv); extern int usleep_main(int argc, char** argv); extern int wc_main(int argc, char** argv); extern int which_main(int argc, char** argv); extern int whoami_main(int argc, char** argv); extern int yes_main(int argc, char** argv); extern const char ar_usage[]; extern const char basename_usage[]; extern const char cat_usage[]; extern const char chgrp_usage[]; extern const char chmod_usage[]; extern const char chown_usage[]; extern const char chroot_usage[]; extern const char chvt_usage[]; extern const char clear_usage[]; extern const char cp_usage[]; extern const char cut_usage[]; extern const char date_usage[]; extern const char dc_usage[]; extern const char dd_usage[]; extern const char deallocvt_usage[]; extern const char df_usage[]; extern const char dirname_usage[]; extern const char dmesg_usage[]; extern const char du_usage[]; extern const char dumpkmap_usage[]; extern const char dutmp_usage[]; extern const char echo_usage[]; extern const char false_usage[]; extern const char fdflush_usage[]; extern const char find_usage[]; extern const char free_usage[]; extern const char freeramdisk_usage[]; extern const char fsck_minix_usage[]; extern const char grep_usage[]; extern const char gunzip_usage[]; extern const char gzip_usage[]; extern const char halt_usage[]; extern const char head_usage[]; extern const char hostid_usage[]; extern const char hostname_usage[]; extern const char id_usage[]; extern const char insmod_usage[]; extern const char kill_usage[]; extern const char killall_usage[]; extern const char length_usage[]; extern const char ln_usage[]; extern const char loadacm_usage[]; extern const char loadfont_usage[]; extern const char loadkmap_usage[]; extern const char logger_usage[]; extern const char logname_usage[]; extern const char ls_usage[]; extern const char lsmod_usage[]; extern const char makedevs_usage[]; extern const char md5sum_usage[]; extern const char mkdir_usage[]; extern const char mkfifo_usage[]; extern const char mkfs_minix_usage[]; extern const char mknod_usage[]; extern const char mkswap_usage[]; extern const char mktemp_usage[]; extern const char more_usage[]; extern const char mount_usage[]; extern const char mt_usage[]; extern const char mv_usage[]; extern const char nc_usage[]; extern const char nslookup_usage[]; extern const char ping_usage[]; extern const char poweroff_usage[]; extern const char printf_usage[]; extern const char ps_usage[]; extern const char pwd_usage[]; extern const char reboot_usage[]; extern const char rm_usage[]; extern const char rmdir_usage[]; extern const char rmmod_usage[]; extern const char sed_usage[]; extern const char setkeycodes_usage[]; extern const char shell_usage[]; extern const char sleep_usage[]; extern const char sort_usage[]; extern const char swapoff_usage[]; extern const char swapon_usage[]; extern const char sync_usage[]; extern const char syslogd_usage[]; extern const char tail_usage[]; extern const char tar_usage[]; extern const char tee_usage[]; extern const char telnet_usage[]; extern const char test_usage[]; extern const char touch_usage[]; extern const char tr_usage[]; extern const char true_usage[]; extern const char tty_usage[]; extern const char umount_usage[]; extern const char uname_usage[]; extern const char uniq_usage[]; extern const char update_usage[]; extern const char uptime_usage[]; extern const char usleep_usage[]; extern const char uudecode_usage[]; extern const char uuencode_usage[]; extern const char wc_usage[]; extern const char which_usage[]; extern const char whoami_usage[]; extern const char yes_usage[]; extern char *applet_name; extern void usage(const char *usage) __attribute__ ((noreturn)); extern void errorMsg(const char *s, ...) __attribute__ ((format (printf, 1, 2))); extern void fatalError(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2))); const char *modeString(int mode); const char *timeString(time_t timeVal); int isDirectory(const char *name, const int followLinks, struct stat *statBuf); int isDevice(const char *name); typedef struct ino_dev_hash_bucket_struct { struct ino_dev_hash_bucket_struct *next; ino_t ino; dev_t dev; char name[1]; } ino_dev_hashtable_bucket_t; int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name); void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name); void reset_ino_dev_hashtable(void); int copyFile(const char *srcName, const char *destName, int setModes, int followLinks, int forceFlag); char *buildName(const char *dirName, const char *fileName); int makeString(int argc, const char **argv, char *buf, int bufLen); char *getChunk(int size); char *chunkstrdup(const char *str); void freeChunks(void); int fullWrite(int fd, const char *buf, int len); int fullRead(int fd, char *buf, int len); int recursiveAction(const char *fileName, int recurse, int followLinks, int depthFirst, int (*fileAction) (const char *fileName, struct stat* statbuf, void* userData), int (*dirAction) (const char *fileName, struct stat* statbuf, void* userData), void* userData); extern int createPath (const char *name, int mode); extern int parse_mode( const char* s, mode_t* theMode); extern int get_kernel_revision(void); extern int get_console_fd(char* tty_name); extern struct mntent *findMountPoint(const char *name, const char *table); extern void write_mtab(char* blockDevice, char* directory, char* filesystemType, long flags, char* string_flags); extern void erase_mtab(const char * name); extern void mtab_read(void); extern char *mtab_first(void **iter); extern char *mtab_next(void **iter); extern char *mtab_getinfo(const char *match, const char which); extern int check_wildcard_match(const char* text, const char* pattern); extern long getNum (const char *cp); extern pid_t* findPidByName( char* pidName); extern int find_real_root_device_name(char* name); extern char *get_line_from_file(FILE *file); extern void print_file(FILE *file); extern int print_file_by_name(char *filename); extern char process_escape_sequence(char **ptr); extern char *get_last_path_component(char *path); extern void xregcomp(regex_t *preg, const char *regex, int cflags); #ifndef DMALLOC extern void *xmalloc (size_t size); extern void *xrealloc(void *old, size_t size); extern char *xstrdup (const char *s); #endif extern char *xstrndup (const char *s, int n); /* These parse entries in /etc/passwd and /etc/group. This is desirable * for BusyBox since we want to avoid using the glibc NSS stuff, which * increases target size and is often not needed embedded systems. */ extern long my_getpwnam(char *name); extern long my_getgrnam(char *name); extern void my_getpwuid(char *name, long uid); extern void my_getgrgid(char *group, long gid); extern long my_getpwnamegid(char *name); extern int device_open(char *device, int mode); #if defined BB_FEATURE_MOUNT_LOOP extern int del_loop(const char *device); extern int set_loop(const char *device, const char *file, int offset, int *loopro); extern char *find_unused_loop_device (void); #endif #if (__GLIBC__ < 2) && (defined BB_SYSLOGD || defined BB_INIT) extern int vdprintf(int d, const char *format, va_list ap); #endif #if defined BB_NFSMOUNT int nfsmount(const char *spec, const char *node, int *flags, char **extra_opts, char **mount_opts, int running_bg); #endif #ifndef RB_POWER_OFF /* Stop system and switch power off if possible. */ #define RB_POWER_OFF 0x4321fedc #endif /* Include our own copy of struct sysinfo to avoid binary compatability * problems with Linux 2.4, which changed things. Grumble, grumble. */ struct sysinfo { long uptime; /* Seconds since boot */ unsigned long loads[3]; /* 1, 5, and 15 minute load averages */ unsigned long totalram; /* Total usable main memory size */ unsigned long freeram; /* Available memory size */ unsigned long sharedram; /* Amount of shared memory */ unsigned long bufferram; /* Memory used by buffers */ unsigned long totalswap; /* Total swap space size */ unsigned long freeswap; /* swap space still available */ unsigned short procs; /* Number of current processes */ unsigned long totalhigh; /* Total high memory size */ unsigned long freehigh; /* Available high memory size */ unsigned int mem_unit; /* Memory unit size in bytes */ char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */ }; extern int sysinfo (struct sysinfo* info); /* Bit map related macros -- libc5 doens't provide these... sigh. */ #ifndef setbit #define NBBY CHAR_BIT #define setbit(a,i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY)) #define clrbit(a,i) ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY))) #define isset(a,i) ((a)[(i)/NBBY] & (1<<((i)%NBBY))) #define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0) #endif #endif /* _BB_INTERNAL_H_ */