/* 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 */ #ifndef __LIBBB_H__ #define __LIBBB_H__ 1 #include #include #include #include #include // Include because of single use with ipkg #define _BB_INTERNAL_H_ #define L_archive_offset #define L_get_header_ar #define L_free_header_tar #define L_get_header_tar #define L_unarchive #define L_seek_sub_file #define L_memory_exhausted #define L_deb_extract #define L_extract_archive #define L_parse_mode #define L_time_string #define L_mode_string #ifndef _BB_INTERNAL_H_ #include "../busybox.h" #endif #ifdef DMALLOC #include "dmalloc.h" #endif #include #if (__GNU_LIBRARY__ < 5) && (!defined __dietlibc__) /* libc5 doesn't define socklen_t */ typedef unsigned int socklen_t; /* libc5 doesn't implement BSD 4.4 daemon() */ extern int daemon (int nochdir, int noclose); /* libc5 doesn't implement strtok_r */ char *strtok_r(char *s, const char *delim, char **ptrptr); #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(int ch) { return ((ch >= '0') && (ch <= '9')); } static inline int is_octal(int 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 extern void show_usage(void) __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, ...); extern void perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn)); extern void vherror_msg(const char *s, va_list p); extern void herror_msg(const char *s, ...); extern void herror_msg_and_die(const char *s, ...) __attribute__ ((noreturn)); extern void archive_xread_all(int fd, char *buf, size_t count); /* These two are used internally -- you shouldn't need to use them */ extern void verror_msg(const char *s, va_list p); extern void vperror_msg(const char *s, va_list p); const char *mode_string(int mode); const char *time_string(time_t timeVal); int is_directory(const char *name, int followLinks, struct stat *statBuf); int isDevice(const char *name); int remove_file(const char *path, int flags); int copy_file(const char *source, const char *dest, int flags); int copy_file_chunk(FILE *src_file, FILE *dst_file, unsigned long long chunksize); 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); ssize_t full_write(int fd, const char *buf, int len); ssize_t 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 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 long atoi_w_units (const char *cp); extern long* find_pid_by_name( char* pidName); extern char *find_real_root_device_name(const char* name); extern char *get_line_from_file(FILE *file); extern void print_file(FILE *file); extern int copyfd(int fd1, int fd2); extern int print_file_by_name(char *filename); extern char process_escape_sequence(const 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); extern void chomp(char *s); extern struct BB_applet *find_applet_by_name(const char *name); void run_applet_by_name(const char *name, int argc, char **argv); #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); extern char * safe_strncpy(char *dst, const char *src, size_t size); struct suffix_mult { const char *suffix; int mult; }; extern unsigned long parse_number(const char *numstr, const 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(const char *name); extern long my_getgrnam(const char *name); extern void my_getpwuid(char *name, long uid); extern void my_getgrgid(char *group, long gid); extern long my_getpwnamegid(const char *name); extern int device_open(char *device, int mode); 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); #if (__GLIBC__ < 2) extern int vdprintf(int d, const char *format, va_list ap); #endif int nfsmount(const char *spec, const char *node, int *flags, char **extra_opts, char **mount_opts, int running_bg); void syslog_msg_with_name(const char *name, int facility, int pri, const char *msg); void syslog_msg(int facility, int pri, const char *msg); /* 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 short pad; /* Padding needed for m68k */ 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); enum { KILOBYTE = 1024, MEGABYTE = (KILOBYTE*1024), GIGABYTE = (MEGABYTE*1024) }; const char *make_human_readable_str(unsigned long size, unsigned long block_size, unsigned long display_unit); int ask_confirmation(void); int klogctl(int type, char * b, int len); char *xgetcwd(char *cwd); char *xreadlink(const char *path); char *concat_path_file(const char *path, const char *filename); char *last_char_is(const char *s, int c); extern long arith (const char *startbuf, int *errcode); typedef struct file_headers_s { char *name; char *link_name; off_t size; uid_t uid; gid_t gid; mode_t mode; time_t mtime; dev_t device; } file_header_t; file_header_t *get_header_ar(FILE *in_file); void free_header_ar(file_header_t *ar_entry); file_header_t *get_header_cpio(FILE *src_stream); file_header_t *get_header_tar(FILE *tar_stream); void free_header_tar(file_header_t *tar_entry); enum extract_functions_e { extract_verbose_list = 1, extract_list = 2, extract_one_to_buffer = 4, extract_to_stdout = 8, extract_all_to_fs = 16, extract_preserve_date = 32, extract_data_tar_gz = 64, extract_control_tar_gz = 128, extract_unzip_only = 256, extract_unconditional = 512, extract_create_leading_dirs = 1024, extract_quiet = 2048, extract_exclude_list = 4096 }; char *unarchive(FILE *src_stream, FILE *out_stream, file_header_t *(*get_header)(FILE *), void (*free_headers)(file_header_t *), const int extract_function, const char *prefix, char **extract_names); char *deb_extract(const char *package_filename, FILE *out_stream, const int extract_function, const char *prefix, const char *filename); int read_package_field(const char *package_buffer, char **field_name, char **field_value); char *fgets_str(FILE *file, const char *terminating_string); extern int unzip(FILE *l_in_file, FILE *l_out_file); extern void gz_close(int gunzip_pid); extern FILE *gz_open(FILE *compressed_file, int *pid); extern struct hostent *xgethostbyname(const char *name); extern int create_icmp_socket(void); char *dirname (char *path); int make_directory (const char *path, long mode, int flags); const char *u_signal_names(const char *str_sig, int *signo, int startnum); char *simplify_path(const char *path); #define CT_AUTO 0 #define CT_UNIX2DOS 1 #define CT_DOS2UNIX 2 /* extern int convert(char *fn, int ConvType); */ enum { FILEUTILS_PRESERVE_STATUS = 1, FILEUTILS_PRESERVE_SYMLINKS = 2, FILEUTILS_RECUR = 4, FILEUTILS_FORCE = 8, FILEUTILS_INTERACTIVE = 16 }; extern const char *applet_name; extern const char * const full_version; extern const char * const name_too_long; extern const char * const omitting_directory; extern const char * const not_a_directory; extern const char * const memory_exhausted; extern const char * const invalid_date; extern const char * const invalid_option; extern const char * const io_error; extern const char * const dash_dash_help; extern const char * const write_error; extern const char * const too_few_args; extern const char * const name_longer_than_foo; extern const char * const unknown; extern const char * const can_not_create_raw_socket; #ifdef BB_FEATURE_DEVFS # define CURRENT_VC "/dev/vc/0" # define VC_1 "/dev/vc/1" # define VC_2 "/dev/vc/2" # define VC_3 "/dev/vc/3" # define VC_4 "/dev/vc/4" # define VC_5 "/dev/vc/5" # define SC_0 "/dev/tts/0" # define SC_1 "/dev/tts/1" # define VC_FORMAT "/dev/vc/%d" # define SC_FORMAT "/dev/tts/%d" # define LOOP_FORMAT "/dev/loop/%d" #else # define CURRENT_VC "/dev/tty0" # define VC_1 "/dev/tty1" # define VC_2 "/dev/tty2" # define VC_3 "/dev/tty3" # define VC_4 "/dev/tty4" # define VC_5 "/dev/tty5" # define SC_0 "/dev/ttyS0" # define SC_1 "/dev/ttyS1" # define VC_FORMAT "/dev/tty%d" # define SC_FORMAT "/dev/ttyS%d" # define LOOP_FORMAT "/dev/loop%d" #endif /* The following devices are the same on devfs and non-devfs systems. */ #define CURRENT_TTY "/dev/tty" #define CONSOLE_DEV "/dev/console" /* Cope with mmu-less systems somewhat gracefully */ #if defined(__UCLIBC__) && !defined(__ARCH_HAS_MMU__) #define fork vfork #endif /* Stupid gcc always includes its own builtin strlen()... */ extern size_t xstrlen(const char *string); #define strlen(x) xstrlen(x) #endif /* __LIBBB_H__ */