1 /* vi: set sw=4 ts=4: */
3 * Busybox main internal header file
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
21 * Permission has been granted to redistribute this code under the GPL.
30 #include <sys/types.h>
38 #if __GNU_LIBRARY__ < 5
39 /* libc5 doesn't define socklen_t */
40 typedef unsigned int socklen_t;
41 /* libc5 doesn't implement BSD 4.4 daemon() */
42 extern int daemon (int nochdir, int noclose);
45 /* Some useful definitions */
46 #define FALSE ((int) 0)
47 #define TRUE ((int) 1)
48 #define SKIP ((int) 2)
51 #define MTAB_GETMOUNTPT '1'
52 #define MTAB_GETDEVICE '2'
55 #define EXPAND_ALLOC 1024
57 static inline int is_decimal(ch) { return ((ch >= '0') && (ch <= '9')); }
58 static inline int is_octal(ch) { return ((ch >= '0') && (ch <= '7')); }
60 /* Macros for min/max. */
62 #define MIN(a,b) (((a)<(b))?(a):(b))
66 #define MAX(a,b) (((a)>(b))?(a):(b))
71 extern void show_usage(void) __attribute__ ((noreturn));
72 extern void error_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
73 extern void error_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
74 extern void perror_msg(const char *s, ...);
75 extern void perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
77 /* These two are used internally -- you shouldn't need to use them */
78 extern void verror_msg(const char *s, va_list p);
79 extern void vperror_msg(const char *s, va_list p);
81 const char *mode_string(int mode);
82 const char *time_string(time_t timeVal);
83 int is_directory(const char *name, const int followLinks, struct stat *statBuf);
84 int isDevice(const char *name);
86 typedef struct ino_dev_hash_bucket_struct {
87 struct ino_dev_hash_bucket_struct *next;
91 } ino_dev_hashtable_bucket_t;
92 int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name);
93 void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name);
94 void reset_ino_dev_hashtable(void);
96 int copy_file(const char *srcName, const char *destName,
97 int setModes, int followLinks, int forceFlag);
98 int copy_file_chunk(int srcFd, int dstFd, off_t remaining);
99 char *buildName(const char *dirName, const char *fileName);
100 int makeString(int argc, const char **argv, char *buf, int bufLen);
101 char *getChunk(int size);
102 char *chunkstrdup(const char *str);
103 void freeChunks(void);
104 ssize_t safe_read(int fd, void *buf, size_t count);
105 int full_write(int fd, const char *buf, int len);
106 int full_read(int fd, char *buf, int len);
107 int recursive_action(const char *fileName, int recurse, int followLinks, int depthFirst,
108 int (*fileAction) (const char *fileName, struct stat* statbuf, void* userData),
109 int (*dirAction) (const char *fileName, struct stat* statbuf, void* userData),
112 extern int create_path (const char *name, int mode);
113 extern int parse_mode( const char* s, mode_t* theMode);
115 extern int get_kernel_revision(void);
117 extern int get_console_fd(char* tty_name);
118 extern struct mntent *find_mount_point(const char *name, const char *table);
119 extern void write_mtab(char* blockDevice, char* directory,
120 char* filesystemType, long flags, char* string_flags);
121 extern void erase_mtab(const char * name);
122 extern void mtab_read(void);
123 extern char *mtab_first(void **iter);
124 extern char *mtab_next(void **iter);
125 extern char *mtab_getinfo(const char *match, const char which);
126 extern int check_wildcard_match(const char* text, const char* pattern);
127 extern long atoi_w_units (const char *cp);
128 extern pid_t* find_pid_by_name( char* pidName);
129 extern int find_real_root_device_name(char* name);
130 extern char *get_line_from_file(FILE *file);
131 extern void print_file(FILE *file);
132 extern int print_file_by_name(char *filename);
133 extern char process_escape_sequence(const char **ptr);
134 extern char *get_last_path_component(char *path);
135 extern FILE *wfopen(const char *path, const char *mode);
136 extern FILE *xfopen(const char *path, const char *mode);
137 extern void chomp(char *s);
138 extern void trim(char *s);
139 extern struct BB_applet *find_applet_by_name(const char *name);
140 void run_applet_by_name(const char *name, int argc, char **argv);
143 extern void *xmalloc (size_t size);
144 extern void *xrealloc(void *old, size_t size);
145 extern void *xcalloc(size_t nmemb, size_t size);
146 extern char *xstrdup (const char *s);
148 extern char *xstrndup (const char *s, int n);
149 extern char * safe_strncpy(char *dst, const char *src, size_t size);
156 extern unsigned long parse_number(const char *numstr,
157 const struct suffix_mult *suffixes);
160 /* These parse entries in /etc/passwd and /etc/group. This is desirable
161 * for BusyBox since we want to avoid using the glibc NSS stuff, which
162 * increases target size and is often not needed embedded systems. */
163 extern long my_getpwnam(const char *name);
164 extern long my_getgrnam(const char *name);
165 extern void my_getpwuid(char *name, long uid);
166 extern void my_getgrgid(char *group, long gid);
167 extern long my_getpwnamegid(const char *name);
169 extern int device_open(char *device, int mode);
171 extern int del_loop(const char *device);
172 extern int set_loop(const char *device, const char *file, int offset, int *loopro);
173 extern char *find_unused_loop_device (void);
177 extern int vdprintf(int d, const char *format, va_list ap);
180 int nfsmount(const char *spec, const char *node, int *flags,
181 char **extra_opts, char **mount_opts, int running_bg);
183 void syslog_msg_with_name(const char *name, int facility, int pri, const char *msg);
184 void syslog_msg(int facility, int pri, const char *msg);
186 /* Include our own copy of struct sysinfo to avoid binary compatability
187 * problems with Linux 2.4, which changed things. Grumble, grumble. */
189 long uptime; /* Seconds since boot */
190 unsigned long loads[3]; /* 1, 5, and 15 minute load averages */
191 unsigned long totalram; /* Total usable main memory size */
192 unsigned long freeram; /* Available memory size */
193 unsigned long sharedram; /* Amount of shared memory */
194 unsigned long bufferram; /* Memory used by buffers */
195 unsigned long totalswap; /* Total swap space size */
196 unsigned long freeswap; /* swap space still available */
197 unsigned short procs; /* Number of current processes */
198 unsigned long totalhigh; /* Total high memory size */
199 unsigned long freehigh; /* Available high memory size */
200 unsigned int mem_unit; /* Memory unit size in bytes */
201 char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
203 extern int sysinfo (struct sysinfo* info);
205 const char *make_human_readable_str(unsigned long val, unsigned long not_hr);
208 MEGABYTE = (KILOBYTE*1024),
209 GIGABYTE = (MEGABYTE*1024)
212 int ask_confirmation(void);
213 int klogctl(int type, char * b, int len);
215 char *xgetcwd(char *cwd);
216 char *concat_path_file(const char *path, const char *filename);
218 #endif /* __LIBBB_H__ */