/* 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 <stdio.h>#include <stdarg.h>#include <sys/stat.h>#include <sys/types.h>#include <netdb.h>#ifndef _BB_INTERNAL_H_#include "../busybox.h"#endif#ifdef DMALLOC#include "dmalloc.h"#endif#include <features.h>#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    1024static 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))#endifextern 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));/* 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);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 parse_mode( const char* s, mode_t* theMode);extern int get_kernel_revision(void);extern int get_console_fd(void);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 void trim(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 DMALLOCextern 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);#endifextern 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);#endifint 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);file_header_t *get_header_cpio(FILE *src_stream);file_header_t *get_header_tar(FILE *tar_stream);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 *),	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 (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"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);/* Cope with mmu-less systems somewhat gracefully */#ifdef __uClinux__#undef fork#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__ */