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>
37 /* Stupid libc doesn't have a reliable way for use to know
38 * that libc5 is being used. Assume this is good enough */
39 #if ! defined __GLIBC__ && ! defined __UCLIBC__
40 /* libc5 doesn't define socklen_t */
41 typedef unsigned int socklen_t;
44 /* Some useful definitions */
45 #define FALSE ((int) 0)
46 #define TRUE ((int) 1)
47 #define SKIP ((int) 2)
50 #define MTAB_GETMOUNTPT '1'
51 #define MTAB_GETDEVICE '2'
54 #define EXPAND_ALLOC 1024
56 static inline int is_decimal(ch) { return ((ch >= '0') && (ch <= '9')); }
57 static inline int is_octal(ch) { return ((ch >= '0') && (ch <= '7')); }
59 /* Macros for min/max. */
61 #define MIN(a,b) (((a)<(b))?(a):(b))
65 #define MAX(a,b) (((a)>(b))?(a):(b))
70 extern void show_usage(void) __attribute__ ((noreturn));
71 extern void error_msg(const char *s, ...);
72 extern void error_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
73 extern void perror_msg(const char *s, ...);
74 extern void perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
76 const char *mode_string(int mode);
77 const char *time_string(time_t timeVal);
78 int is_directory(const char *name, const int followLinks, struct stat *statBuf);
79 int isDevice(const char *name);
81 typedef struct ino_dev_hash_bucket_struct {
82 struct ino_dev_hash_bucket_struct *next;
86 } ino_dev_hashtable_bucket_t;
87 int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name);
88 void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name);
89 void reset_ino_dev_hashtable(void);
91 int copy_file(const char *srcName, const char *destName,
92 int setModes, int followLinks, int forceFlag);
93 int copy_file_chunk(int srcFd, int dstFd, size_t remaining);
94 char *buildName(const char *dirName, const char *fileName);
95 int makeString(int argc, const char **argv, char *buf, int bufLen);
96 char *getChunk(int size);
97 char *chunkstrdup(const char *str);
98 void freeChunks(void);
99 ssize_t safe_read(int fd, void *buf, size_t count);
100 int full_write(int fd, const char *buf, int len);
101 int full_read(int fd, char *buf, int len);
102 int recursive_action(const char *fileName, int recurse, int followLinks, int depthFirst,
103 int (*fileAction) (const char *fileName, struct stat* statbuf, void* userData),
104 int (*dirAction) (const char *fileName, struct stat* statbuf, void* userData),
107 extern int create_path (const char *name, int mode);
108 extern int parse_mode( const char* s, mode_t* theMode);
110 extern int get_kernel_revision(void);
112 extern int get_console_fd(char* tty_name);
113 extern struct mntent *find_mount_point(const char *name, const char *table);
114 extern void write_mtab(char* blockDevice, char* directory,
115 char* filesystemType, long flags, char* string_flags);
116 extern void erase_mtab(const char * name);
117 extern void mtab_read(void);
118 extern char *mtab_first(void **iter);
119 extern char *mtab_next(void **iter);
120 extern char *mtab_getinfo(const char *match, const char which);
121 extern int check_wildcard_match(const char* text, const char* pattern);
122 extern long atoi_w_units (const char *cp);
123 extern pid_t* find_pid_by_name( char* pidName);
124 extern int find_real_root_device_name(char* name);
125 extern char *get_line_from_file(FILE *file);
126 extern void print_file(FILE *file);
127 extern int print_file_by_name(char *filename);
128 extern char process_escape_sequence(char **ptr);
129 extern char *get_last_path_component(char *path);
130 extern FILE *wfopen(const char *path, const char *mode);
131 extern FILE *xfopen(const char *path, const char *mode);
132 extern void chomp(char *s);
133 extern void trim(char *s);
134 extern struct BB_applet *find_applet_by_name(const char *name);
135 void run_applet_by_name(const char *name, int argc, char **argv);
138 extern void *xmalloc (size_t size);
139 extern void *xrealloc(void *old, size_t size);
140 extern void *xcalloc(size_t nmemb, size_t size);
141 extern char *xstrdup (const char *s);
143 extern char *xstrndup (const char *s, int n);
144 extern char * safe_strncpy(char *dst, const char *src, size_t size);
151 extern unsigned long parse_number(const char *numstr,
152 const struct suffix_mult *suffixes);
155 /* These parse entries in /etc/passwd and /etc/group. This is desirable
156 * for BusyBox since we want to avoid using the glibc NSS stuff, which
157 * increases target size and is often not needed embedded systems. */
158 extern long my_getpwnam(const char *name);
159 extern long my_getgrnam(const char *name);
160 extern void my_getpwuid(char *name, long uid);
161 extern void my_getgrgid(char *group, long gid);
162 extern long my_getpwnamegid(const char *name);
164 extern int device_open(char *device, int mode);
166 extern int del_loop(const char *device);
167 extern int set_loop(const char *device, const char *file, int offset, int *loopro);
168 extern char *find_unused_loop_device (void);
172 extern int vdprintf(int d, const char *format, va_list ap);
175 int nfsmount(const char *spec, const char *node, int *flags,
176 char **extra_opts, char **mount_opts, int running_bg);
178 void syslog_msg_with_name(const char *name, int facility, int pri, const char *msg);
179 void syslog_msg(int facility, int pri, const char *msg);
181 /* Include our own copy of struct sysinfo to avoid binary compatability
182 * problems with Linux 2.4, which changed things. Grumble, grumble. */
184 long uptime; /* Seconds since boot */
185 unsigned long loads[3]; /* 1, 5, and 15 minute load averages */
186 unsigned long totalram; /* Total usable main memory size */
187 unsigned long freeram; /* Available memory size */
188 unsigned long sharedram; /* Amount of shared memory */
189 unsigned long bufferram; /* Memory used by buffers */
190 unsigned long totalswap; /* Total swap space size */
191 unsigned long freeswap; /* swap space still available */
192 unsigned short procs; /* Number of current processes */
193 unsigned long totalhigh; /* Total high memory size */
194 unsigned long freehigh; /* Available high memory size */
195 unsigned int mem_unit; /* Memory unit size in bytes */
196 char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
198 extern int sysinfo (struct sysinfo* info);
200 const char *make_human_readable_str(unsigned long val, unsigned long hr);
203 MEGABYTE = (KILOBYTE*1024),
204 GIGABYTE = (MEGABYTE*1024)
207 int ask_confirmation(void);
209 #endif /* __LIBBB_H__ */