X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Flibbb.h;h=c031f28415af71f90f9477a550048b8dcd602671;hb=dac7ff15b7d32deeeef3d9665744fc5774c21d70;hp=077b310b68fb6683b1be77c9ea8d65bfb3489d3b;hpb=e0537f6194cf37651c6e7ac3033226f09dab7557;p=oweals%2Fbusybox.git diff --git a/include/libbb.h b/include/libbb.h index 077b310b6..c031f2841 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -2,48 +2,33 @@ /* * 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 + * Licensed under the GPL v2 or later, see the file LICENSE in this tarball. * * Based in part on code from sash, Copyright (c) 1999 by David I. Bell * Permission has been granted to redistribute this code under the GPL. * */ -#ifndef __LIBCONFIG_H__ -#define __LIBCONFIG_H__ 1 +#ifndef __LIBBUSYBOX_H__ +#define __LIBBUSYBOX_H__ 1 #include #include #include -#include #include -#include +#include #include +#include #include +#include #include -#ifdef DMALLOC -#include -#endif - #include +#include "platform.h" #include "bb_config.h" #ifdef CONFIG_SELINUX -#include +#include #endif #include "pwd_.h" @@ -55,19 +40,6 @@ # include "sha1.h" #endif -/* Convenience macros to test the version of gcc. */ -#if defined __GNUC__ && defined __GNUC_MINOR__ -# define __GNUC_PREREQ(maj, min) \ - ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min)) -#else -# define __GNUC_PREREQ(maj, min) 0 -#endif - -/* __restrict is known in EGCS 1.2 and above. */ -#if !__GNUC_PREREQ (2,92) -# define __restrict /* Ignore */ -#endif - /* Some useful definitions */ #define FALSE ((int) 0) #define TRUE ((int) 1) @@ -89,7 +61,25 @@ #define MAX(a,b) (((a)>(b))?(a):(b)) #endif -extern void bb_show_usage(void) __attribute__ ((noreturn)); +/* buffer allocation schemes */ +#ifdef CONFIG_FEATURE_BUFFERS_GO_ON_STACK +#define RESERVE_CONFIG_BUFFER(buffer,len) char buffer[len] +#define RESERVE_CONFIG_UBUFFER(buffer,len) unsigned char buffer[len] +#define RELEASE_CONFIG_BUFFER(buffer) ((void)0) +#else +#ifdef CONFIG_FEATURE_BUFFERS_GO_IN_BSS +#define RESERVE_CONFIG_BUFFER(buffer,len) static char buffer[len] +#define RESERVE_CONFIG_UBUFFER(buffer,len) static unsigned char buffer[len] +#define RELEASE_CONFIG_BUFFER(buffer) ((void)0) +#else +#define RESERVE_CONFIG_BUFFER(buffer,len) char *buffer=xmalloc(len) +#define RESERVE_CONFIG_UBUFFER(buffer,len) unsigned char *buffer=xmalloc(len) +#define RELEASE_CONFIG_BUFFER(buffer) free (buffer) +#endif +#endif + + +extern void bb_show_usage(void) ATTRIBUTE_NORETURN ATTRIBUTE_EXTERNALLY_VISIBLE; extern void bb_error_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2))); extern void bb_error_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2))); extern void bb_perror_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2))); @@ -98,7 +88,7 @@ extern void bb_vherror_msg(const char *s, va_list p); extern void bb_herror_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2))); extern void bb_herror_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2))); -extern void bb_perror_nomsg_and_die(void) __attribute__ ((noreturn)); +extern void bb_perror_nomsg_and_die(void) ATTRIBUTE_NORETURN; extern void bb_perror_nomsg(void); /* These two are used internally -- you shouldn't need to use them */ @@ -109,6 +99,8 @@ extern int bb_echo(int argc, char** argv); extern const char *bb_mode_string(int mode); extern int is_directory(const char *name, int followLinks, struct stat *statBuf); +extern DIR *bb_opendir(const char *path); +extern DIR *bb_xopendir(const char *path); extern int remove_file(const char *path, int flags); extern int copy_file(const char *source, const char *dest, int flags); @@ -134,10 +126,11 @@ extern int get_console_fd(void); extern struct mntent *find_mount_point(const char *name, const char *table); extern void erase_mtab(const char * name); extern long *find_pid_by_name( const char* pidName); +extern long *pidlist_reverse(long *pidList); extern char *find_block_device(char *path); extern char *bb_get_line_from_file(FILE *file); extern char *bb_get_chomped_line_from_file(FILE *file); -extern char *bb_get_chunk_from_file(FILE *file); +extern char *bb_get_chunk_from_file(FILE *file, int *end); extern int bb_copyfd_size(int fd1, int fd2, const off_t size); extern int bb_copyfd_eof(int fd1, int fd2); extern void bb_xprint_and_close_file(FILE *file); @@ -145,20 +138,20 @@ extern int bb_xprint_file_by_name(const char *filename); extern char bb_process_escape_sequence(const char **ptr); extern char *bb_get_last_path_component(char *path); extern FILE *bb_wfopen(const char *path, const char *mode); +extern FILE *bb_wfopen_input(const char *filename); extern FILE *bb_xfopen(const char *path, const char *mode); -//#warning rename? extern int bb_fclose_nonstdin(FILE *f); -extern void bb_fflush_stdout_and_exit(int retval) __attribute__ ((noreturn)); +extern void bb_fflush_stdout_and_exit(int retval) ATTRIBUTE_NORETURN; + +extern void xstat(const char *filename, struct stat *buf); +extern int bb_xsocket(int domain, int type, int protocol); #define BB_GETOPT_ERROR 0x80000000UL -extern const char *bb_opt_complementaly; +extern const char *bb_opt_complementally; extern const struct option *bb_applet_long_options; extern unsigned long bb_getopt_ulflags(int argc, char **argv, const char *applet_opts, ...); -//#warning rename? -extern FILE *bb_wfopen_input(const char *filename); - extern int bb_vfprintf(FILE * __restrict stream, const char * __restrict format, va_list arg) __attribute__ ((format (printf, 2, 0))); extern int bb_vprintf(const char * __restrict format, va_list arg) @@ -182,12 +175,12 @@ extern const char *bb_skip_whitespace(const char *); extern struct BB_applet *find_applet_by_name(const char *name); void run_applet_by_name(const char *name, int argc, char **argv); -//#warning is this needed anymore? -#ifndef DMALLOC -extern void *xmalloc (size_t size); +/* dmalloc will redefine these to it's own implementation. It is safe + * to have the prototypes here unconditionally. */ +extern void *xmalloc(size_t size); extern void *xrealloc(void *old, size_t size); extern void *xcalloc(size_t nmemb, size_t size); -#endif + extern char *bb_xstrdup (const char *s); extern char *bb_xstrndup (const char *s, int n); extern char *safe_strncpy(char *dst, const char *src, size_t size); @@ -225,20 +218,19 @@ extern unsigned long bb_xparse_number(const char *numstr, const struct suffix_mult *suffixes); -//#warning change names? - /* 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 char * my_getug(char *buffer, char *idname, long id, int bufsize, char prefix); -extern char * my_getpwuid(char *name, long uid, int bufsize); -extern char * my_getgrgid(char *group, long gid, int bufsize); + * increases target size and is often not needed on embedded systems. */ +extern long bb_xgetpwnam(const char *name); +extern long bb_xgetgrnam(const char *name); +extern char * bb_getug(char *buffer, char *idname, long id, int bufsize, char prefix); +extern char * bb_getpwuid(char *name, long uid, int bufsize); +extern char * bb_getgrgid(char *group, long gid, int bufsize); extern char *bb_askpass(int timeout, const char * prompt); extern int device_open(const char *device, int mode); +extern char *query_loop(const char *device); extern int del_loop(const char *device); extern int set_loop(char **device, const char *file, int offset); @@ -249,7 +241,7 @@ extern int vdprintf(int d, const char *format, va_list ap); int nfsmount(const char *spec, const char *node, int *flags, char **mount_opts, int running_bg); -/* Include our own copy of struct sysinfo to avoid binary compatability +/* Include our own copy of struct sysinfo to avoid binary compatibility * problems with Linux 2.4, which changed things. Grumble, grumble. */ struct sysinfo { long uptime; /* Seconds since boot */ @@ -339,6 +331,12 @@ extern const char * const bb_path_gshadow_file; extern const char * const bb_path_group_file; extern const char * const bb_path_securetty_file; extern const char * const bb_path_motd_file; +extern const char * const bb_dev_null; + +#ifndef BUFSIZ +#define BUFSIZ 4096 +#endif +extern char bb_common_bufsiz1[BUFSIZ+1]; /* * You can change LIBBB_DEFAULT_LOGIN_SHELL, but don`t use, @@ -414,19 +412,21 @@ void reset_ino_dev_hashtable(void); /* Stupid gcc always includes its own builtin strlen()... */ extern size_t bb_strlen(const char *string); +#ifndef BB_STRLEN_IMPLEMENTATION #define strlen(x) bb_strlen(x) +#endif -void bb_xasprintf(char **string_ptr, const char *format, ...) __attribute__ ((format (printf, 2, 3))); - +char *bb_xasprintf(const char *format, ...) __attribute__ ((format (printf, 1, 2))); #define FAIL_DELAY 3 +extern void bb_do_delay(int seconds); extern void change_identity ( const struct passwd *pw ); extern const char *change_identity_e2str ( const struct passwd *pw ); extern void run_shell ( const char *shell, int loginshell, const char *command, const char **additional_args); #ifdef CONFIG_SELINUX extern void renew_current_security_context(void); extern void set_current_security_context(security_context_t sid); -#endif +#endif extern int run_parts(char **args, const unsigned char test_mode, char **env); extern int restricted_shell ( const char *shell ); extern void setup_environment ( const char *shell, int loginshell, int changeenv, const struct passwd *pw ); @@ -440,13 +440,22 @@ extern ssize_t bb_xread(int fd, void *buf, size_t count); extern void bb_xread_all(int fd, void *buf, size_t count); extern unsigned char bb_xread_char(int fd); +#ifndef COMM_LEN +/*#include *//* Task command name length */ +#ifdef TASK_COMM_LEN +#define COMM_LEN TASK_COMM_LEN +#else +#define COMM_LEN 16 /* synchronize with size of comm in struct task_struct + in /usr/include/linux/sched.h */ +#endif +#endif typedef struct { int pid; char user[9]; char state[4]; unsigned long rss; int ppid; -#ifdef FEATURE_CPU_USAGE_PERCENTAGE +#ifdef CONFIG_FEATURE_TOP_CPU_USAGE_PERCENTAGE unsigned pcpu; unsigned pscpu; unsigned long stime, utime; @@ -455,11 +464,11 @@ typedef struct { /* basename of executable file in call to exec(2), size from kernel headers */ - char short_cmd[16]; + char short_cmd[COMM_LEN]; } procps_status_t; extern procps_status_t * procps_scan(int save_user_arg0); -extern unsigned short compare_string_array(const char *string_array[], const char *key); +extern int compare_string_array(const char * const string_array[], const char *key); extern int my_query_module(const char *name, int which, void **buf, size_t *bufsize, size_t *ret); @@ -468,18 +477,50 @@ typedef struct llist_s { struct llist_s *link; } llist_t; extern llist_t *llist_add_to(llist_t *old_head, char *new_item); +extern llist_t *llist_add_to_end(llist_t *list_head, char *data); +extern llist_t *llist_free_one(llist_t *elm); +extern void llist_free(llist_t *elm); extern void print_login_issue(const char *issue_file, const char *tty); extern void print_login_prompt(void); +#if defined(__uClinux__) extern void vfork_daemon_rexec(int nochdir, int noclose, int argc, char **argv, char *foreground_opt); -extern int get_terminal_width_height(int fd, int *width, int *height); -extern unsigned long get_ug_id(const char *s, long (*my_getxxnam)(const char *)); -extern void xregcomp(regex_t *preg, const char *regex, int cflags); +#endif -#define HASH_SHA1 1 -#define HASH_MD5 2 -extern int hash_fd(int fd, const size_t size, const uint8_t hash_algo, uint8_t *hashval); +extern int get_terminal_width_height(int fd, int *width, int *height); +extern unsigned long get_ug_id(const char *s, long (*__bb_getxxnam)(const char *)); + +typedef struct _sha1_ctx_t_ { + uint32_t count[2]; + uint32_t hash[5]; + uint32_t wbuf[16]; +} sha1_ctx_t; + +void sha1_begin(sha1_ctx_t *ctx); +void sha1_hash(const void *data, size_t length, sha1_ctx_t *ctx); +void *sha1_end(void *resbuf, sha1_ctx_t *ctx); + +typedef struct _md5_ctx_t_ { + uint32_t A; + uint32_t B; + uint32_t C; + uint32_t D; + uint32_t total[2]; + uint32_t buflen; + char buffer[128]; +} md5_ctx_t; + +void md5_begin(md5_ctx_t *ctx); +void md5_hash(const void *data, size_t length, md5_ctx_t *ctx); +void *md5_end(void *resbuf, md5_ctx_t *ctx); + +extern uint32_t *bb_crc32_filltable (int endian); + +/* busybox.h will include dmalloc later for us, else include it here. */ +#if !defined _BB_INTERNAL_H_ && defined DMALLOC +#include +#endif -#endif /* __LIBCONFIG_H__ */ +#endif /* __LIBBUSYBOX_H__ */