Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 | /* 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 "Config.h" #include <stdio.h> #include <stdarg.h> #include <sys/stat.h> #include <sys/types.h> #ifdef DMALLOC #include "dmalloc.h" #endif /* Some useful definitions */ #define FALSE ((int) 0) #define TRUE ((int) 1) #define SKIP ((int) 2) /* for mtab.c */ #define MTAB_GETMOUNTPT '1' #define MTAB_GETDEVICE '2' #define BUF_SIZE 8192 #define EXPAND_ALLOC 1024 static inline int is_decimal(ch) { return ((ch >= '0') && (ch <= '9')); } static inline int is_octal(ch) { return ((ch >= '0') && (ch <= '7')); } /* 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 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; const char* usage; }; /* From busybox.c */ extern const struct BB_applet applets[]; /* Automagically pull in all the applet function prototypes and * applet usage strings. These are all of the form: * extern int foo_main(int argc, char **argv); * extern const char foo_usage[]; * These are all autogenerated from the set of currently defined applets. */ #define PROTOTYPES #include "applets.h" #undef PROTOTYPES extern const char *applet_name; extern int applet_name_compare(const void *x, const void *y); extern void usage(const char *usage) __attribute__ ((noreturn)); extern void error_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2))); extern void error_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2))); extern void perror_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2))); extern void perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2))); const char *mode_string(int mode); const char *time_string(time_t timeVal); int is_directory(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 copy_file(const char *srcName, const char *destName, int setModes, int followLinks, int forceFlag); int copy_file_chunk(int srcFd, int dstFd, size_t remaining); 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); ssize_t safe_read(int fd, void *buf, size_t count); int full_write(int fd, const char *buf, int len); int full_read(int fd, char *buf, int len); int recursive_action(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 create_path (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 *find_mount_point(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 atoi_w_units (const char *cp); extern pid_t* find_pid_by_name( 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 FILE *wfopen(const char *path, const char *mode); extern FILE *xfopen(const char *path, const char *mode); #ifndef DMALLOC extern void *xmalloc (size_t size); extern void *xrealloc(void *old, size_t size); extern void *xcalloc(size_t nmemb, size_t size); extern char *xstrdup (const char *s); #endif extern char *xstrndup (const char *s, int n); struct suffix_mult { char *suffix; int mult; }; extern unsigned long parse_number(const char *numstr, struct suffix_mult *suffixes); /* 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 #ifdef BB_FEATURE_HUMAN_READABLE char *format(unsigned long val, unsigned long hr); #define KILOBYTE 1024 #define MEGABYTE (KILOBYTE*1024) #define GIGABYTE (MEGABYTE*1024) #endif #ifdef BB_FEATURE_BUFFERS_GO_ON_STACK #define RESERVE_BB_BUFFER(buffer,len) char buffer[len] #define RESERVE_BB_UBUFFER(buffer,len) unsigned char buffer[len] #else #define RESERVE_BB_BUFFER(buffer,len) char *buffer=xmalloc(len) #define RESERVE_BB_UBUFFER(buffer,len) unsigned char *buffer=xmalloc(len) #endif #endif /* _BB_INTERNAL_H_ */ |