summaryrefslogtreecommitdiffstats
path: root/libbb/libbb.h
diff options
context:
space:
mode:
Diffstat (limited to 'libbb/libbb.h')
-rw-r--r--libbb/libbb.h352
1 files changed, 352 insertions, 0 deletions
diff --git a/libbb/libbb.h b/libbb/libbb.h
new file mode 100644
index 0000000..c54038d
--- /dev/null
+++ b/libbb/libbb.h
@@ -0,0 +1,352 @@
+/* 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>
+
+// 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 <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 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__ */