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authorWaldemar Brodkorb <wbx@openadk.org>2010-07-28 20:44:41 +0200
committerWaldemar Brodkorb <wbx@openadk.org>2010-07-28 20:44:41 +0200
commit6e3adfcee80e11ed3fad1a92b2658e0b714dba1b (patch)
tree17414daadde62d6b27687a97ee005ca125358ed3 /package/busybox
parent1b8fff1f57e80538623d46bba5ea2577b9c0f406 (diff)
fix basic build on FreeBSD host.
Diffstat (limited to 'package/busybox')
-rw-r--r--package/busybox/patches/005-bsd-compat.patch2295
1 files changed, 2292 insertions, 3 deletions
diff --git a/package/busybox/patches/005-bsd-compat.patch b/package/busybox/patches/005-bsd-compat.patch
index c6b86e20d..9ec8d5d29 100644
--- a/package/busybox/patches/005-bsd-compat.patch
+++ b/package/busybox/patches/005-bsd-compat.patch
@@ -1,6 +1,6 @@
diff -Nur busybox-1.17.1.orig/include/libbb.h busybox-1.17.1/include/libbb.h
--- busybox-1.17.1.orig/include/libbb.h 2010-07-25 00:12:43.000000000 +0200
-+++ busybox-1.17.1/include/libbb.h 2010-07-26 13:42:48.000000000 +0200
++++ busybox-1.17.1/include/libbb.h 2010-07-28 20:13:21.000000000 +0200
@@ -40,6 +40,7 @@
/* Try to pull in PATH_MAX */
#include <limits.h>
@@ -17,9 +17,1769 @@ diff -Nur busybox-1.17.1.orig/include/libbb.h busybox-1.17.1/include/libbb.h
#if ENABLE_LOCALE_SUPPORT
# include <locale.h>
#else
+diff -Nur busybox-1.17.1.orig/include/libbb.h.orig busybox-1.17.1/include/libbb.h.orig
+--- busybox-1.17.1.orig/include/libbb.h.orig 1970-01-01 01:00:00.000000000 +0100
++++ busybox-1.17.1/include/libbb.h.orig 2010-07-25 00:12:43.000000000 +0200
+@@ -0,0 +1,1756 @@
++/* vi: set sw=4 ts=4: */
++/*
++ * Busybox main internal header file
++ *
++ * 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.
++ *
++ * Licensed under the GPL version 2, see the file LICENSE in this tarball.
++ */
++#ifndef LIBBB_H
++#define LIBBB_H 1
++
++#include "platform.h"
++
++#include <ctype.h>
++#include <dirent.h>
++#include <errno.h>
++#include <fcntl.h>
++#include <inttypes.h>
++#include <netdb.h>
++#include <setjmp.h>
++#include <signal.h>
++#include <stdint.h>
++#include <stdio.h>
++#include <stdlib.h>
++#include <stdarg.h>
++#include <stddef.h>
++#include <string.h>
++#include <sys/poll.h>
++#include <sys/ioctl.h>
++#include <sys/mman.h>
++#include <sys/socket.h>
++#include <sys/stat.h>
++#include <sys/time.h>
++#include <sys/types.h>
++#include <sys/wait.h>
++#include <termios.h>
++#include <time.h>
++#include <unistd.h>
++/* Try to pull in PATH_MAX */
++#include <limits.h>
++#include <sys/param.h>
++#ifdef HAVE_MNTENT_H
++#include <mntent.h>
++#endif
++#ifdef HAVE_SYS_STATFS_H
++#include <sys/statfs.h>
++#endif
++#if ENABLE_SELINUX
++#include <selinux/selinux.h>
++#include <selinux/context.h>
++#include <selinux/flask.h>
++#include <selinux/av_permissions.h>
++#endif
++#if ENABLE_LOCALE_SUPPORT
++# include <locale.h>
++#else
++# define setlocale(x,y) ((void)0)
++#endif
++#ifdef DMALLOC
++# include <dmalloc.h>
++#endif
++#include <pwd.h>
++#include <grp.h>
++#if ENABLE_FEATURE_SHADOWPASSWDS
++# if !ENABLE_USE_BB_SHADOW
++/* If using busybox's shadow implementation, do not include the shadow.h
++ * header as the toolchain may not provide it at all.
++ */
++# include <shadow.h>
++# endif
++#endif
++#if defined __FreeBSD__
++# include <netinet/in.h>
++# include <arpa/inet.h>
++#elif defined __APPLE__
++# include <netinet/in.h>
++#else
++# include <arpa/inet.h>
++# if !defined(__socklen_t_defined) && !defined(_SOCKLEN_T_DECLARED)
++/* We #define socklen_t *after* includes, otherwise we get
++ * typedef redefinition errors from system headers
++ * (in case "is it defined already" detection above failed)
++ */
++# define socklen_t bb_socklen_t
++ typedef unsigned socklen_t;
++# endif
++#endif
++
++
++/* Some libc's forget to declare these, do it ourself */
++
++extern char **environ;
++#if defined(__GLIBC__) && __GLIBC__ < 2
++int vdprintf(int d, const char *format, va_list ap);
++#endif
++/* klogctl is in libc's klog.h, but we cheat and not #include that */
++int klogctl(int type, char *b, int len);
++/* This is declared here rather than #including <libgen.h> in order to avoid
++ * confusing the two versions of basename. See the dirname/basename man page
++ * for details. */
++#if !defined __FreeBSD__
++char *dirname(char *path);
++#endif
++/* 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 */
++ 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.. */
++};
++int sysinfo(struct sysinfo* info);
++#ifndef PATH_MAX
++# define PATH_MAX 256
++#endif
++#ifndef BUFSIZ
++# define BUFSIZ 4096
++#endif
++
++
++/* Make all declarations hidden (-fvisibility flag only affects definitions) */
++/* (don't include system headers after this until corresponding pop!) */
++PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
++
++
++#if ENABLE_USE_BB_PWD_GRP
++# include "pwd_.h"
++# include "grp_.h"
++#endif
++#if ENABLE_FEATURE_SHADOWPASSWDS
++# if ENABLE_USE_BB_SHADOW
++# include "shadow_.h"
++# endif
++#endif
++
++/* Tested to work correctly with all int types (IIRC :]) */
++#define MAXINT(T) (T)( \
++ ((T)-1) > 0 \
++ ? (T)-1 \
++ : (T)~((T)1 << (sizeof(T)*8-1)) \
++ )
++
++#define MININT(T) (T)( \
++ ((T)-1) > 0 \
++ ? (T)0 \
++ : ((T)1 << (sizeof(T)*8-1)) \
++ )
++
++/* Large file support */
++/* Note that CONFIG_LFS=y forces bbox to be built with all common ops
++ * (stat, lseek etc) mapped to "largefile" variants by libc.
++ * Practically it means that open() automatically has O_LARGEFILE added
++ * and all filesize/file_offset parameters and struct members are "large"
++ * (in today's world - signed 64bit). For full support of large files,
++ * we need a few helper #defines (below) and careful use of off_t
++ * instead of int/ssize_t. No lseek64(), O_LARGEFILE etc necessary */
++#if ENABLE_LFS
++/* CONFIG_LFS is on */
++# if ULONG_MAX > 0xffffffff
++/* "long" is long enough on this system */
++typedef unsigned long uoff_t;
++# define XATOOFF(a) xatoul_range(a, 0, LONG_MAX)
++/* usage: sz = BB_STRTOOFF(s, NULL, 10); if (errno || sz < 0) die(); */
++# define BB_STRTOOFF bb_strtoul
++# define STRTOOFF strtoul
++/* usage: printf("size: %"OFF_FMT"d (%"OFF_FMT"x)\n", sz, sz); */
++# define OFF_FMT "l"
++# else
++/* "long" is too short, need "long long" */
++typedef unsigned long long uoff_t;
++# define XATOOFF(a) xatoull_range(a, 0, LLONG_MAX)
++# define BB_STRTOOFF bb_strtoull
++# define STRTOOFF strtoull
++# define OFF_FMT "ll"
++# endif
++#else
++/* CONFIG_LFS is off */
++# if UINT_MAX == 0xffffffff
++/* While sizeof(off_t) == sizeof(int), off_t is typedef'ed to long anyway.
++ * gcc will throw warnings on printf("%d", off_t). Crap... */
++typedef unsigned long uoff_t;
++# define XATOOFF(a) xatoi_u(a)
++# define BB_STRTOOFF bb_strtou
++# define STRTOOFF strtol
++# define OFF_FMT "l"
++# else
++typedef unsigned long uoff_t;
++# define XATOOFF(a) xatoul_range(a, 0, LONG_MAX)
++# define BB_STRTOOFF bb_strtoul
++# define STRTOOFF strtol
++# define OFF_FMT "l"
++# endif
++#endif
++/* scary. better ideas? (but do *test* them first!) */
++#define OFF_T_MAX ((off_t)~((off_t)1 << (sizeof(off_t)*8-1)))
++
++/* Some useful definitions */
++#undef FALSE
++#define FALSE ((int) 0)
++#undef TRUE
++#define TRUE ((int) 1)
++#undef SKIP
++#define SKIP ((int) 2)
++
++/* for mtab.c */
++#define MTAB_GETMOUNTPT '1'
++#define MTAB_GETDEVICE '2'
++
++#define BUF_SIZE 8192
++#define EXPAND_ALLOC 1024
++
++/* 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
++
++/* buffer allocation schemes */
++#if ENABLE_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
++#if ENABLE_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
++
++#if defined(__GLIBC__)
++/* glibc uses __errno_location() to get a ptr to errno */
++/* We can just memorize it once - no multithreading in busybox :) */
++extern int *const bb_errno;
++#undef errno
++#define errno (*bb_errno)
++#endif
++
++unsigned long long monotonic_ns(void) FAST_FUNC;
++unsigned long long monotonic_us(void) FAST_FUNC;
++unsigned long long monotonic_ms(void) FAST_FUNC;
++unsigned monotonic_sec(void) FAST_FUNC;
++
++extern void chomp(char *s) FAST_FUNC;
++extern void trim(char *s) FAST_FUNC;
++extern char *skip_whitespace(const char *) FAST_FUNC;
++extern char *skip_non_whitespace(const char *) FAST_FUNC;
++extern char *skip_dev_pfx(const char *tty_name) FAST_FUNC;
++
++extern char *strrstr(const char *haystack, const char *needle) FAST_FUNC;
++
++//TODO: supply a pointer to char[11] buffer (avoid statics)?
++extern const char *bb_mode_string(mode_t mode) FAST_FUNC;
++extern int is_directory(const char *name, int followLinks, struct stat *statBuf) FAST_FUNC;
++enum { /* DO NOT CHANGE THESE VALUES! cp.c, mv.c, install.c depend on them. */
++ FILEUTILS_PRESERVE_STATUS = 1 << 0, /* -p */
++ FILEUTILS_DEREFERENCE = 1 << 1, /* !-d */
++ FILEUTILS_RECUR = 1 << 2, /* -R */
++ FILEUTILS_FORCE = 1 << 3, /* -f */
++ FILEUTILS_INTERACTIVE = 1 << 4, /* -i */
++ FILEUTILS_MAKE_HARDLINK = 1 << 5, /* -l */
++ FILEUTILS_MAKE_SOFTLINK = 1 << 6, /* -s */
++ FILEUTILS_DEREF_SOFTLINK = 1 << 7, /* -L */
++ FILEUTILS_DEREFERENCE_L0 = 1 << 8, /* -H */
++#if ENABLE_SELINUX
++ FILEUTILS_PRESERVE_SECURITY_CONTEXT = 1 << 9, /* -c */
++ FILEUTILS_SET_SECURITY_CONTEXT = 1 << 10,
++#endif
++};
++#define FILEUTILS_CP_OPTSTR "pdRfilsLH" IF_SELINUX("c")
++extern int remove_file(const char *path, int flags) FAST_FUNC;
++/* NB: without FILEUTILS_RECUR in flags, it will basically "cat"
++ * the source, not copy (unless "source" is a directory).
++ * This makes "cp /dev/null file" and "install /dev/null file" (!!!)
++ * work coreutils-compatibly. */
++extern int copy_file(const char *source, const char *dest, int flags) FAST_FUNC;
++
++enum {
++ ACTION_RECURSE = (1 << 0),
++ ACTION_FOLLOWLINKS = (1 << 1),
++ ACTION_FOLLOWLINKS_L0 = (1 << 2),
++ ACTION_DEPTHFIRST = (1 << 3),
++ /*ACTION_REVERSE = (1 << 4), - unused */
++ ACTION_QUIET = (1 << 5),
++ ACTION_DANGLING_OK = (1 << 6),
++};
++typedef uint8_t recurse_flags_t;
++extern int recursive_action(const char *fileName, unsigned flags,
++ int FAST_FUNC (*fileAction)(const char *fileName, struct stat* statbuf, void* userData, int depth),
++ int FAST_FUNC (*dirAction)(const char *fileName, struct stat* statbuf, void* userData, int depth),
++ void* userData, unsigned depth) FAST_FUNC;
++extern int device_open(const char *device, int mode) FAST_FUNC;
++enum { GETPTY_BUFSIZE = 16 }; /* more than enough for "/dev/ttyXXX" */
++extern int xgetpty(char *line) FAST_FUNC;
++extern int get_console_fd_or_die(void) FAST_FUNC;
++extern void console_make_active(int fd, const int vt_num) FAST_FUNC;
++extern char *find_block_device(const char *path) FAST_FUNC;
++/* bb_copyfd_XX print read/write errors and return -1 if they occur */
++extern off_t bb_copyfd_eof(int fd1, int fd2) FAST_FUNC;
++extern off_t bb_copyfd_size(int fd1, int fd2, off_t size) FAST_FUNC;
++extern void bb_copyfd_exact_size(int fd1, int fd2, off_t size) FAST_FUNC;
++/* "short" copy can be detected by return value < size */
++/* this helper yells "short read!" if param is not -1 */
++extern void complain_copyfd_and_die(off_t sz) NORETURN FAST_FUNC;
++extern char bb_process_escape_sequence(const char **ptr) FAST_FUNC;
++/* xxxx_strip version can modify its parameter:
++ * "/" -> "/"
++ * "abc" -> "abc"
++ * "abc/def" -> "def"
++ * "abc/def/" -> "def" !!
++ */
++extern char *bb_get_last_path_component_strip(char *path) FAST_FUNC;
++/* "abc/def/" -> "" and it never modifies 'path' */
++extern char *bb_get_last_path_component_nostrip(const char *path) FAST_FUNC;
++
++int ndelay_on(int fd) FAST_FUNC;
++int ndelay_off(int fd) FAST_FUNC;
++int close_on_exec_on(int fd) FAST_FUNC;
++void xdup2(int, int) FAST_FUNC;
++void xmove_fd(int, int) FAST_FUNC;
++
++
++DIR *xopendir(const char *path) FAST_FUNC;
++DIR *warn_opendir(const char *path) FAST_FUNC;
++
++char *xmalloc_realpath(const char *path) FAST_FUNC RETURNS_MALLOC;
++char *xmalloc_readlink(const char *path) FAST_FUNC RETURNS_MALLOC;
++char *xmalloc_readlink_or_warn(const char *path) FAST_FUNC RETURNS_MALLOC;
++/* !RETURNS_MALLOC: it's a realloc-like function */
++char *xrealloc_getcwd_or_warn(char *cwd) FAST_FUNC;
++
++char *xmalloc_follow_symlinks(const char *path) FAST_FUNC RETURNS_MALLOC;
++
++
++enum {
++ /* bb_signals(BB_FATAL_SIGS, handler) catches all signals which
++ * otherwise would kill us, except for those resulting from bugs:
++ * SIGSEGV, SIGILL, SIGFPE.
++ * Other fatal signals not included (TODO?):
++ * SIGBUS Bus error (bad memory access)
++ * SIGPOLL Pollable event. Synonym of SIGIO
++ * SIGPROF Profiling timer expired
++ * SIGSYS Bad argument to routine
++ * SIGTRAP Trace/breakpoint trap
++ *
++ * The only known arch with some of these sigs not fitting
++ * into 32 bits is parisc (SIGXCPU=33, SIGXFSZ=34, SIGSTKFLT=36).
++ * Dance around with long long to guard against that...
++ */
++ BB_FATAL_SIGS = (int)(0
++ + (1LL << SIGHUP)
++ + (1LL << SIGINT)
++ + (1LL << SIGTERM)
++ + (1LL << SIGPIPE) // Write to pipe with no readers
++ + (1LL << SIGQUIT) // Quit from keyboard
++ + (1LL << SIGABRT) // Abort signal from abort(3)
++ + (1LL << SIGALRM) // Timer signal from alarm(2)
++ + (1LL << SIGVTALRM) // Virtual alarm clock
++ + (1LL << SIGXCPU) // CPU time limit exceeded
++ + (1LL << SIGXFSZ) // File size limit exceeded
++ + (1LL << SIGUSR1) // Yes kids, these are also fatal!
++ + (1LL << SIGUSR2)
++ + 0),
++};
++void bb_signals(int sigs, void (*f)(int)) FAST_FUNC;
++/* Unlike signal() and bb_signals, sets handler with sigaction()
++ * and in a way that while signal handler is run, no other signals
++ * will be blocked; syscalls will not be restarted: */
++void bb_signals_recursive_norestart(int sigs, void (*f)(int)) FAST_FUNC;
++/* syscalls like read() will be interrupted with EINTR: */
++void signal_no_SA_RESTART_empty_mask(int sig, void (*handler)(int)) FAST_FUNC;
++/* syscalls like read() won't be interrupted (though select/poll will be): */
++void signal_SA_RESTART_empty_mask(int sig, void (*handler)(int)) FAST_FUNC;
++void wait_for_any_sig(void) FAST_FUNC;
++void kill_myself_with_sig(int sig) NORETURN FAST_FUNC;
++void sig_block(int sig) FAST_FUNC;
++void sig_unblock(int sig) FAST_FUNC;
++/* Will do sigaction(signum, act, NULL): */
++int sigaction_set(int sig, const struct sigaction *act) FAST_FUNC;
++/* SIG_BLOCK/SIG_UNBLOCK all signals: */
++int sigprocmask_allsigs(int how) FAST_FUNC;
++/* Standard handler which just records signo */
++extern smallint bb_got_signal;
++void record_signo(int signo); /* not FAST_FUNC! */
++
++
++void xsetgid(gid_t gid) FAST_FUNC;
++void xsetuid(uid_t uid) FAST_FUNC;
++void xchdir(const char *path) FAST_FUNC;
++void xchroot(const char *path) FAST_FUNC;
++void xsetenv(const char *key, const char *value) FAST_FUNC;
++void bb_unsetenv(const char *key) FAST_FUNC;
++void bb_unsetenv_and_free(char *key) FAST_FUNC;
++void xunlink(const char *pathname) FAST_FUNC;
++void xstat(const char *pathname, struct stat *buf) FAST_FUNC;
++int xopen(const char *pathname, int flags) FAST_FUNC;
++int xopen_nonblocking(const char *pathname) FAST_FUNC;
++int xopen3(const char *pathname, int flags, int mode) FAST_FUNC;
++int open_or_warn(const char *pathname, int flags) FAST_FUNC;
++int open3_or_warn(const char *pathname, int flags, int mode) FAST_FUNC;
++int open_or_warn_stdin(const char *pathname) FAST_FUNC;
++void xrename(const char *oldpath, const char *newpath) FAST_FUNC;
++int rename_or_warn(const char *oldpath, const char *newpath) FAST_FUNC;
++off_t xlseek(int fd, off_t offset, int whence) FAST_FUNC;
++off_t fdlength(int fd) FAST_FUNC;
++
++uoff_t FAST_FUNC get_volume_size_in_bytes(int fd,
++ const char *override,
++ unsigned override_units,
++ int extend);
++
++void xpipe(int filedes[2]) FAST_FUNC;
++/* In this form code with pipes is much more readable */
++struct fd_pair { int rd; int wr; };
++#define piped_pair(pair) pipe(&((pair).rd))
++#define xpiped_pair(pair) xpipe(&((pair).rd))
++
++/* Useful for having small structure members/global variables */
++typedef int8_t socktype_t;
++typedef int8_t family_t;
++struct BUG_too_small {
++ char BUG_socktype_t_too_small[(0
++ | SOCK_STREAM
++ | SOCK_DGRAM
++ | SOCK_RDM
++ | SOCK_SEQPACKET
++ | SOCK_RAW
++ ) <= 127 ? 1 : -1];
++ char BUG_family_t_too_small[(0
++ | AF_UNSPEC
++ | AF_INET
++ | AF_INET6
++ | AF_UNIX
++#ifdef AF_PACKET
++ | AF_PACKET
++#endif
++#ifdef AF_NETLINK
++ | AF_NETLINK
++#endif
++ /* | AF_DECnet */
++ /* | AF_IPX */
++ ) <= 127 ? 1 : -1];
++};
++
++
++void parse_datestr(const char *date_str, struct tm *ptm) FAST_FUNC;
++time_t validate_tm_time(const char *date_str, struct tm *ptm) FAST_FUNC;
++
++
++int xsocket(int domain, int type, int protocol) FAST_FUNC;
++void xbind(int sockfd, struct sockaddr *my_addr, socklen_t addrlen) FAST_FUNC;
++void xlisten(int s, int backlog) FAST_FUNC;
++void xconnect(int s, const struct sockaddr *s_addr, socklen_t addrlen) FAST_FUNC;
++ssize_t xsendto(int s, const void *buf, size_t len, const struct sockaddr *to,
++ socklen_t tolen) FAST_FUNC;
++/* SO_REUSEADDR allows a server to rebind to an address that is already
++ * "in use" by old connections to e.g. previous server instance which is
++ * killed or crashed. Without it bind will fail until all such connections
++ * time out. Linux does not allow multiple live binds on same ip:port
++ * regardless of SO_REUSEADDR (unlike some other flavors of Unix).
++ * Turn it on before you call bind(). */
++void setsockopt_reuseaddr(int fd) FAST_FUNC; /* On Linux this never fails. */
++int setsockopt_broadcast(int fd) FAST_FUNC;
++int setsockopt_bindtodevice(int fd, const char *iface) FAST_FUNC;
++/* NB: returns port in host byte order */
++unsigned bb_lookup_port(const char *port, const char *protocol, unsigned default_port) FAST_FUNC;
++typedef struct len_and_sockaddr {
++ socklen_t len;
++ union {
++ struct sockaddr sa;
++ struct sockaddr_in sin;
++#if ENABLE_FEATURE_IPV6
++ struct sockaddr_in6 sin6;
++#endif
++ } u;
++} len_and_sockaddr;
++enum {
++ LSA_LEN_SIZE = offsetof(len_and_sockaddr, u),
++ LSA_SIZEOF_SA = sizeof(
++ union {
++ struct sockaddr sa;
++ struct sockaddr_in sin;
++#if ENABLE_FEATURE_IPV6
++ struct sockaddr_in6 sin6;
++#endif
++ }
++ )
++};
++/* Create stream socket, and allocate suitable lsa.
++ * (lsa of correct size and lsa->sa.sa_family (AF_INET/AF_INET6))
++ * af == AF_UNSPEC will result in trying to create IPv6 socket,
++ * and if kernel doesn't support it, fall back to IPv4.
++ * This is useful if you plan to bind to resulting local lsa.
++ */
++#if ENABLE_FEATURE_IPV6
++int xsocket_type(len_and_sockaddr **lsap, int af, int sock_type) FAST_FUNC;
++#else
++int xsocket_type(len_and_sockaddr **lsap, int sock_type) FAST_FUNC;
++#define xsocket_type(lsap, af, sock_type) xsocket_type((lsap), (sock_type))
++#endif
++int xsocket_stream(len_and_sockaddr **lsap) FAST_FUNC;
++/* Create server socket bound to bindaddr:port. bindaddr can be NULL,
++ * numeric IP ("N.N.N.N") or numeric IPv6 address,
++ * and can have ":PORT" suffix (for IPv6 use "[X:X:...:X]:PORT").
++ * Only if there is no suffix, port argument is used */
++/* NB: these set SO_REUSEADDR before bind */
++int create_and_bind_stream_or_die(const char *bindaddr, int port) FAST_FUNC;
++int create_and_bind_dgram_or_die(const char *bindaddr, int port) FAST_FUNC;
++/* Create client TCP socket connected to peer:port. Peer cannot be NULL.
++ * Peer can be numeric IP ("N.N.N.N"), numeric IPv6 address or hostname,
++ * and can have ":PORT" suffix (for IPv6 use "[X:X:...:X]:PORT").
++ * If there is no suffix, port argument is used */
++int create_and_connect_stream_or_die(const char *peer, int port) FAST_FUNC;
++/* Connect to peer identified by lsa */
++int xconnect_stream(const len_and_sockaddr *lsa) FAST_FUNC;
++/* Get local address of bound or accepted socket */
++len_and_sockaddr *get_sock_lsa(int fd) FAST_FUNC RETURNS_MALLOC;
++/* Get remote address of connected or accepted socket */
++len_and_sockaddr *get_peer_lsa(int fd) FAST_FUNC RETURNS_MALLOC;
++/* Return malloc'ed len_and_sockaddr with socket address of host:port
++ * Currently will return IPv4 or IPv6 sockaddrs only
++ * (depending on host), but in theory nothing prevents e.g.
++ * UNIX socket address being returned, IPX sockaddr etc...
++ * On error does bb_error_msg and returns NULL */
++len_and_sockaddr* host2sockaddr(const char *host, int port) FAST_FUNC RETURNS_MALLOC;
++/* Version which dies on error */
++len_and_sockaddr* xhost2sockaddr(const char *host, int port) FAST_FUNC RETURNS_MALLOC;
++len_and_sockaddr* xdotted2sockaddr(const char *host, int port) FAST_FUNC RETURNS_MALLOC;
++/* Same, useful if you want to force family (e.g. IPv6) */
++#if !ENABLE_FEATURE_IPV6
++#define host_and_af2sockaddr(host, port, af) host2sockaddr((host), (port))
++#define xhost_and_af2sockaddr(host, port, af) xhost2sockaddr((host), (port))
++#else
++len_and_sockaddr* host_and_af2sockaddr(const char *host, int port, sa_family_t af) FAST_FUNC RETURNS_MALLOC;
++len_and_sockaddr* xhost_and_af2sockaddr(const char *host, int port, sa_family_t af) FAST_FUNC RETURNS_MALLOC;
++#endif
++/* Assign sin[6]_port member if the socket is an AF_INET[6] one,
++ * otherwise no-op. Useful for ftp.
++ * NB: does NOT do htons() internally, just direct assignment. */
++void set_nport(len_and_sockaddr *lsa, unsigned port) FAST_FUNC;
++/* Retrieve sin[6]_port or return -1 for non-INET[6] lsa's */
++int get_nport(const struct sockaddr *sa) FAST_FUNC;
++/* Reverse DNS. Returns NULL on failure. */
++char* xmalloc_sockaddr2host(const struct sockaddr *sa) FAST_FUNC RETURNS_MALLOC;
++/* This one doesn't append :PORTNUM */
++char* xmalloc_sockaddr2host_noport(const struct sockaddr *sa) FAST_FUNC RETURNS_MALLOC;
++/* This one also doesn't fall back to dotted IP (returns NULL) */
++char* xmalloc_sockaddr2hostonly_noport(const struct sockaddr *sa) FAST_FUNC RETURNS_MALLOC;
++/* inet_[ap]ton on steroids */
++char* xmalloc_sockaddr2dotted(const struct sockaddr *sa) FAST_FUNC RETURNS_MALLOC;
++char* xmalloc_sockaddr2dotted_noport(const struct sockaddr *sa) FAST_FUNC RETURNS_MALLOC;
++// "old" (ipv4 only) API
++// users: traceroute.c hostname.c - use _list_ of all IPs
++struct hostent *xgethostbyname(const char *name) FAST_FUNC;
++// Also mount.c and inetd.c are using gethostbyname(),
++// + inet_common.c has additional IPv4-only stuff
++
++
++void socket_want_pktinfo(int fd) FAST_FUNC;
++ssize_t send_to_from(int fd, void *buf, size_t len, int flags,
++ const struct sockaddr *to,
++ const struct sockaddr *from,
++ socklen_t tolen) FAST_FUNC;
++ssize_t recv_from_to(int fd, void *buf, size_t len, int flags,
++ struct sockaddr *from,
++ struct sockaddr *to,
++ socklen_t sa_size) FAST_FUNC;
++
++
++char *xstrdup(const char *s) FAST_FUNC RETURNS_MALLOC;
++char *xstrndup(const char *s, int n) FAST_FUNC RETURNS_MALLOC;
++void overlapping_strcpy(char *dst, const char *src) FAST_FUNC;
++char *safe_strncpy(char *dst, const char *src, size_t size) FAST_FUNC;
++char *strncpy_IFNAMSIZ(char *dst, const char *src) FAST_FUNC;
++/* Guaranteed to NOT be a macro (smallest code). Saves nearly 2k on uclibc.
++ * But potentially slow, don't use in one-billion-times loops */
++int bb_putchar(int ch) FAST_FUNC;
++/* Note: does not use stdio, writes to fd 2 directly */
++int bb_putchar_stderr(char ch) FAST_FUNC;
++char *xasprintf(const char *format, ...) __attribute__ ((format(printf, 1, 2))) FAST_FUNC RETURNS_MALLOC;
++// gcc-4.1.1 still isn't good enough at optimizing it
++// (+200 bytes compared to macro)
++//static ALWAYS_INLINE
++//int LONE_DASH(const char *s) { return s[0] == '-' && !s[1]; }
++//static ALWAYS_INLINE
++//int NOT_LONE_DASH(const char *s) { return s[0] != '-' || s[1]; }
++#define LONE_DASH(s) ((s)[0] == '-' && !(s)[1])
++#define NOT_LONE_DASH(s) ((s)[0] != '-' || (s)[1])
++#define LONE_CHAR(s,c) ((s)[0] == (c) && !(s)[1])
++#define NOT_LONE_CHAR(s,c) ((s)[0] != (c) || (s)[1])
++#define DOT_OR_DOTDOT(s) ((s)[0] == '.' && (!(s)[1] || ((s)[1] == '.' && !(s)[2])))
++
++typedef struct uni_stat_t {
++ unsigned byte_count;
++ unsigned unicode_count;
++ unsigned unicode_width;
++} uni_stat_t;
++/* Returns a string with unprintable chars replaced by '?' or
++ * SUBST_WCHAR. This function is unicode-aware. */
++const char* FAST_FUNC printable_string(uni_stat_t *stats, const char *str);
++/* Prints unprintable char ch as ^C or M-c to file
++ * (M-c is used only if ch is ORed with PRINTABLE_META),
++ * else it is printed as-is (except for ch = 0x9b) */
++enum { PRINTABLE_META = 0x100 };
++void fputc_printable(int ch, FILE *file) FAST_FUNC;
++
++/* dmalloc will redefine these to it's own implementation. It is safe
++ * to have the prototypes here unconditionally. */
++void *malloc_or_warn(size_t size) FAST_FUNC RETURNS_MALLOC;
++void *xmalloc(size_t size) FAST_FUNC RETURNS_MALLOC;
++void *xzalloc(size_t size) FAST_FUNC RETURNS_MALLOC;
++void *xrealloc(void *old, size_t size) FAST_FUNC;
++/* After xrealloc_vector(v, 4, idx) it's ok to use
++ * at least v[idx] and v[idx+1], for all idx values.
++ * shift specifies how many new elements are added (1: 2, 2: 4... 8: 256...)
++ * when all elements are used up. New elements are zeroed out. */
++#define xrealloc_vector(vector, shift, idx) \
++ xrealloc_vector_helper((vector), (sizeof((vector)[0]) << 8) + (shift), (idx))
++void* xrealloc_vector_helper(void *vector, unsigned sizeof_and_shift, int idx) FAST_FUNC;
++
++
++extern ssize_t safe_read(int fd, void *buf, size_t count) FAST_FUNC;
++extern ssize_t nonblock_safe_read(int fd, void *buf, size_t count) FAST_FUNC;
++// NB: will return short read on error, not -1,
++// if some data was read before error occurred
++extern ssize_t full_read(int fd, void *buf, size_t count) FAST_FUNC;
++extern void xread(int fd, void *buf, size_t count) FAST_FUNC;
++extern unsigned char xread_char(int fd) FAST_FUNC;
++extern ssize_t read_close(int fd, void *buf, size_t maxsz) FAST_FUNC;
++extern ssize_t open_read_close(const char *filename, void *buf, size_t maxsz) FAST_FUNC;
++// Reads one line a-la fgets (but doesn't save terminating '\n').
++// Reads byte-by-byte. Useful when it is important to not read ahead.
++// Bytes are appended to pfx (which must be malloced, or NULL).
++extern char *xmalloc_reads(int fd, char *pfx, size_t *maxsz_p) FAST_FUNC;
++/* Reads block up to *maxsz_p (default: INT_MAX - 4095) */
++extern void *xmalloc_read(int fd, size_t *maxsz_p) FAST_FUNC RETURNS_MALLOC;
++/* Returns NULL if file can't be opened (default max size: INT_MAX - 4095) */
++extern void *xmalloc_open_read_close(const char *filename, size_t *maxsz_p) FAST_FUNC RETURNS_MALLOC;
++/* Autodetects gzip/bzip2 formats. fd may be in the middle of the file! */
++#if ENABLE_FEATURE_SEAMLESS_LZMA \
++ || ENABLE_FEATURE_SEAMLESS_BZ2 \
++ || ENABLE_FEATURE_SEAMLESS_GZ \
++ /* || ENABLE_FEATURE_SEAMLESS_Z */
++extern void setup_unzip_on_fd(int fd /*, int fail_if_not_detected*/) FAST_FUNC;
++#else
++# define setup_unzip_on_fd(...) ((void)0)
++#endif
++/* Autodetects .gz etc */
++extern int open_zipped(const char *fname) FAST_FUNC;
++extern void *xmalloc_open_zipped_read_close(const char *fname, size_t *maxsz_p) FAST_FUNC RETURNS_MALLOC;
++/* Never returns NULL */
++extern void *xmalloc_xopen_read_close(const char *filename, size_t *maxsz_p) FAST_FUNC RETURNS_MALLOC;
++
++extern ssize_t safe_write(int fd, const void *buf, size_t count) FAST_FUNC;
++// NB: will return short write on error, not -1,
++// if some data was written before error occurred
++extern ssize_t full_write(int fd, const void *buf, size_t count) FAST_FUNC;
++extern void xwrite(int fd, const void *buf, size_t count) FAST_FUNC;
++extern void xwrite_str(int fd, const char *str) FAST_FUNC;
++extern ssize_t full_write1_str(const char *str) FAST_FUNC;
++extern ssize_t full_write2_str(const char *str) FAST_FUNC;
++extern void xopen_xwrite_close(const char* file, const char *str) FAST_FUNC;
++
++/* Close fd, but check for failures (some types of write errors) */
++extern void xclose(int fd) FAST_FUNC;
++
++/* Reads and prints to stdout till eof, then closes FILE. Exits on error: */
++extern void xprint_and_close_file(FILE *file) FAST_FUNC;
++
++extern char *bb_get_chunk_from_file(FILE *file, int *end) FAST_FUNC;
++extern char *bb_get_chunk_with_continuation(FILE *file, int *end, int *lineno) FAST_FUNC;
++/* Reads up to (and including) TERMINATING_STRING: */
++extern char *xmalloc_fgets_str(FILE *file, const char *terminating_string) FAST_FUNC RETURNS_MALLOC;
++/* Same, with limited max size, and returns the length (excluding NUL): */
++extern char *xmalloc_fgets_str_len(FILE *file, const char *terminating_string, size_t *maxsz_p) FAST_FUNC RETURNS_MALLOC;
++/* Chops off TERMINATING_STRING from the end: */
++extern char *xmalloc_fgetline_str(FILE *file, const char *terminating_string) FAST_FUNC RETURNS_MALLOC;
++/* Reads up to (and including) "\n" or NUL byte: */
++extern char *xmalloc_fgets(FILE *file) FAST_FUNC RETURNS_MALLOC;
++/* Chops off '\n' from the end, unlike fgets: */
++extern char *xmalloc_fgetline(FILE *file) FAST_FUNC RETURNS_MALLOC;
++/* Same, but doesn't try to conserve space (may have some slack after the end) */
++/* extern char *xmalloc_fgetline_fast(FILE *file) FAST_FUNC RETURNS_MALLOC; */
++
++void die_if_ferror(FILE *file, const char *msg) FAST_FUNC;
++void die_if_ferror_stdout(void) FAST_FUNC;
++int fflush_all(void) FAST_FUNC;
++void fflush_stdout_and_exit(int retval) NORETURN FAST_FUNC;
++int fclose_if_not_stdin(FILE *file) FAST_FUNC;
++FILE* xfopen(const char *filename, const char *mode) FAST_FUNC;
++/* Prints warning to stderr and returns NULL on failure: */
++FILE* fopen_or_warn(const char *filename, const char *mode) FAST_FUNC;
++/* "Opens" stdin if filename is special, else just opens file: */
++FILE* xfopen_stdin(const char *filename) FAST_FUNC;
++FILE* fopen_or_warn_stdin(const char *filename) FAST_FUNC;
++FILE* fopen_for_read(const char *path) FAST_FUNC;
++FILE* xfopen_for_read(const char *path) FAST_FUNC;
++FILE* fopen_for_write(const char *path) FAST_FUNC;
++FILE* xfopen_for_write(const char *path) FAST_FUNC;
++FILE* xfdopen_for_read(int fd) FAST_FUNC;
++FILE* xfdopen_for_write(int fd) FAST_FUNC;
++
++int bb_pstrcmp(const void *a, const void *b) /* not FAST_FUNC! */;
++void qsort_string_vector(char **sv, unsigned count) FAST_FUNC;
++
++/* Wrapper which restarts poll on EINTR or ENOMEM.
++ * On other errors complains [perror("poll")] and returns.
++ * Warning! May take (much) longer than timeout_ms to return!
++ * If this is a problem, use bare poll and open-code EINTR/ENOMEM handling */
++int safe_poll(struct pollfd *ufds, nfds_t nfds, int timeout_ms) FAST_FUNC;
++
++char *safe_gethostname(void) FAST_FUNC;
++char *safe_getdomainname(void) FAST_FUNC;
++
++/* Convert each alpha char in str to lower-case */
++char* str_tolower(char *str) FAST_FUNC;
++
++char *utoa(unsigned n) FAST_FUNC;
++char *itoa(int n) FAST_FUNC;
++/* Returns a pointer past the formatted number, does NOT null-terminate */
++char *utoa_to_buf(unsigned n, char *buf, unsigned buflen) FAST_FUNC;
++char *itoa_to_buf(int n, char *buf, unsigned buflen) FAST_FUNC;
++/* Intelligent formatters of bignums */
++void smart_ulltoa4(unsigned long long ul, char buf[5], const char *scale) FAST_FUNC;
++void smart_ulltoa5(unsigned long long ul, char buf[5], const char *scale) FAST_FUNC;
++/* If block_size == 0, display size without fractional part,
++ * else display (size * block_size) with one decimal digit.
++ * If display_unit == 0, show value no bigger than 1024 with suffix (K,M,G...),
++ * else divide by display_unit and do not use suffix. */
++#define HUMAN_READABLE_MAX_WIDTH 7 /* "1024.0G" */
++#define HUMAN_READABLE_MAX_WIDTH_STR "7"
++//TODO: provide pointer to buf (avoid statics)?
++const char *make_human_readable_str(unsigned long long size,
++ unsigned long block_size, unsigned long display_unit) FAST_FUNC;
++/* Put a string of hex bytes ("1b2e66fe"...), return advanced pointer */
++char *bin2hex(char *buf, const char *cp, int count) FAST_FUNC;
++/* Reverse */
++char* hex2bin(char *dst, const char *str, int count) FAST_FUNC;
++
++/* Generate a UUID */
++void generate_uuid(uint8_t *buf) FAST_FUNC;
++
++/* Last element is marked by mult == 0 */
++struct suffix_mult {
++ char suffix[4];
++ unsigned mult;
++};
++#include "xatonum.h"
++/* Specialized: */
++/* Using xatoi() instead of naive atoi() is not always convenient -
++ * in many places people want *non-negative* values, but store them
++ * in signed int. Therefore we need this one:
++ * dies if input is not in [0, INT_MAX] range. Also will reject '-0' etc */
++int xatoi_u(const char *numstr) FAST_FUNC;
++/* Useful for reading port numbers */
++uint16_t xatou16(const char *numstr) FAST_FUNC;
++
++
++/* 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 on embedded systems. */
++long xuname2uid(const char *name) FAST_FUNC;
++long xgroup2gid(const char *name) FAST_FUNC;
++/* wrapper: allows string to contain numeric uid or gid */
++unsigned long get_ug_id(const char *s, long FAST_FUNC (*xname2id)(const char *)) FAST_FUNC;
++/* from chpst. Does not die, returns 0 on failure */
++struct bb_uidgid_t {
++ uid_t uid;
++ gid_t gid;
++};
++/* always sets uid and gid */
++int get_uidgid(struct bb_uidgid_t*, const char*, int numeric_ok) FAST_FUNC;
++/* always sets uid and gid, allows numeric; exits on failure */
++void xget_uidgid(struct bb_uidgid_t*, const char*) FAST_FUNC;
++/* chown-like handling of "user[:[group]" */
++void parse_chown_usergroup_or_die(struct bb_uidgid_t *u, char *user_group) FAST_FUNC;
++struct passwd* xgetpwnam(const char *name) FAST_FUNC;
++struct group* xgetgrnam(const char *name) FAST_FUNC;
++struct passwd* xgetpwuid(uid_t uid) FAST_FUNC;
++struct group* xgetgrgid(gid_t gid) FAST_FUNC;
++char* xuid2uname(uid_t uid) FAST_FUNC;
++char* xgid2group(gid_t gid) FAST_FUNC;
++char* uid2uname(uid_t uid) FAST_FUNC;
++char* gid2group(gid_t gid) FAST_FUNC;
++char* uid2uname_utoa(long uid) FAST_FUNC;
++char* gid2group_utoa(long gid) FAST_FUNC;
++/* versions which cache results (useful for ps, ls etc) */
++const char* get_cached_username(uid_t uid) FAST_FUNC;
++const char* get_cached_groupname(gid_t gid) FAST_FUNC;
++void clear_username_cache(void) FAST_FUNC;
++/* internally usernames are saved in fixed-sized char[] buffers */
++enum { USERNAME_MAX_SIZE = 16 - sizeof(int) };
++#if ENABLE_FEATURE_CHECK_NAMES
++void die_if_bad_username(const char* name) FAST_FUNC;
++#else
++#define die_if_bad_username(name) ((void)(name))
++#endif
++
++#if ENABLE_FEATURE_UTMP
++void FAST_FUNC write_new_utmp(pid_t pid, int new_type, const char *tty_name, const char *username, const char *hostname);
++void FAST_FUNC update_utmp(pid_t pid, int new_type, const char *tty_name, const char *username, const char *hostname);
++#else
++# define write_new_utmp(pid, new_type, tty_name, username, hostname) ((void)0)
++# define update_utmp(pid, new_type, tty_name, username, hostname) ((void)0)
++#endif
++
++int execable_file(const char *name) FAST_FUNC;
++char *find_execable(const char *filename, char **PATHp) FAST_FUNC;
++int exists_execable(const char *filename) FAST_FUNC;
++
++/* BB_EXECxx always execs (it's not doing NOFORK/NOEXEC stuff),
++ * but it may exec busybox and call applet instead of searching PATH.
++ */
++#if ENABLE_FEATURE_PREFER_APPLETS
++int bb_execvp(const char *file, char *const argv[]) FAST_FUNC;
++#define BB_EXECVP(prog,cmd) bb_execvp(prog,cmd)
++#define BB_EXECLP(prog,cmd,...) \
++ execlp((find_applet_by_name(prog) >= 0) ? CONFIG_BUSYBOX_EXEC_PATH : prog, \
++ cmd, __VA_ARGS__)
++#else
++#define BB_EXECVP(prog,cmd) execvp(prog,cmd)
++#define BB_EXECLP(prog,cmd,...) execlp(prog,cmd, __VA_ARGS__)
++#endif
++int BB_EXECVP_or_die(char **argv) NORETURN FAST_FUNC;
++
++/* xvfork() can't be a _function_, return after vfork mangles stack
++ * in the parent. It must be a macro. */
++#define xvfork() \
++({ \
++ pid_t bb__xvfork_pid = vfork(); \
++ if (bb__xvfork_pid < 0) \
++ bb_perror_msg_and_die("vfork"); \
++ bb__xvfork_pid; \
++})
++#if BB_MMU
++pid_t xfork(void) FAST_FUNC;
++#endif
++
++/* NOMMU friendy fork+exec: */
++pid_t spawn(char **argv) FAST_FUNC;
++pid_t xspawn(char **argv) FAST_FUNC;
++
++pid_t safe_waitpid(pid_t pid, int *wstat, int options) FAST_FUNC;
++pid_t wait_any_nohang(int *wstat) FAST_FUNC;
++/* wait4pid: unlike waitpid, waits ONLY for one process.
++ * Returns sig + 0x180 if child is killed by signal.
++ * It's safe to pass negative 'pids' from failed [v]fork -
++ * wait4pid will return -1 (and will not clobber [v]fork's errno).
++ * IOW: rc = wait4pid(spawn(argv));
++ * if (rc < 0) bb_perror_msg("%s", argv[0]);
++ * if (rc > 0) bb_error_msg("exit code: %d", rc & 0xff);
++ */
++int wait4pid(pid_t pid) FAST_FUNC;
++/* Same as wait4pid(spawn(argv)), but with NOFORK/NOEXEC if configured: */
++int spawn_and_wait(char **argv) FAST_FUNC;
++struct nofork_save_area {
++ jmp_buf die_jmp;
++ const char *applet_name;
++ int xfunc_error_retval;
++ uint32_t option_mask32;
++ int die_sleep;
++ smallint saved;
++};
++void save_nofork_data(struct nofork_save_area *save) FAST_FUNC;
++void restore_nofork_data(struct nofork_save_area *save) FAST_FUNC;
++/* Does NOT check that applet is NOFORK, just blindly runs it */
++int run_nofork_applet(int applet_no, char **argv) FAST_FUNC;
++int run_nofork_applet_prime(struct nofork_save_area *old, int applet_no, char **argv) FAST_FUNC;
++
++/* Helpers for daemonization.
++ *
++ * bb_daemonize(flags) = daemonize, does not compile on NOMMU
++ *
++ * bb_daemonize_or_rexec(flags, argv) = daemonizes on MMU (and ignores argv),
++ * rexec's itself on NOMMU with argv passed as command line.
++ * Thus bb_daemonize_or_rexec may cause your <applet>_main() to be re-executed
++ * from the start. (It will detect it and not reexec again second time).
++ * You have to audit carefully that you don't do something twice as a result
++ * (opening files/sockets, parsing config files etc...)!
++ *
++ * Both of the above will redirect fd 0,1,2 to /dev/null and drop ctty
++ * (will do setsid()).
++ *
++ * fork_or_rexec(argv) = bare-bones fork on MMU,
++ * "vfork + re-exec ourself" on NOMMU. No fd redirection, no setsid().
++ * On MMU ignores argv.
++ *
++ * Helper for network daemons in foreground mode:
++ *
++ * bb_sanitize_stdio() = make sure that fd 0,1,2 are opened by opening them
++ * to /dev/null if they are not.
++ */
++enum {
++ DAEMON_CHDIR_ROOT = 1,
++ DAEMON_DEVNULL_STDIO = 2,
++ DAEMON_CLOSE_EXTRA_FDS = 4,
++ DAEMON_ONLY_SANITIZE = 8, /* internal use */
++};
++#if BB_MMU
++ enum { re_execed = 0 };
++# define fork_or_rexec(argv) xfork()
++# define bb_daemonize_or_rexec(flags, argv) bb_daemonize_or_rexec(flags)
++# define bb_daemonize(flags) bb_daemonize_or_rexec(flags, bogus)
++#else
++ extern bool re_execed;
++ void re_exec(char **argv) NORETURN FAST_FUNC;
++ pid_t fork_or_rexec(char **argv) FAST_FUNC;
++ int BUG_fork_is_unavailable_on_nommu(void) FAST_FUNC;
++ int BUG_daemon_is_unavailable_on_nommu(void) FAST_FUNC;
++ void BUG_bb_daemonize_is_unavailable_on_nommu(void) FAST_FUNC;
++# define fork() BUG_fork_is_unavailable_on_nommu()
++# define xfork() BUG_fork_is_unavailable_on_nommu()
++# define daemon(a,b) BUG_daemon_is_unavailable_on_nommu()
++# define bb_daemonize(a) BUG_bb_daemonize_is_unavailable_on_nommu()
++#endif
++void bb_daemonize_or_rexec(int flags, char **argv) FAST_FUNC;
++void bb_sanitize_stdio(void) FAST_FUNC;
++/* Clear dangerous stuff, set PATH. Return 1 if was run by different user. */
++int sanitize_env_if_suid(void) FAST_FUNC;
++
++
++char* single_argv(char **argv) FAST_FUNC;
++extern const char *const bb_argv_dash[]; /* "-", NULL */
++extern const char *opt_complementary;
++#if ENABLE_LONG_OPTS || ENABLE_FEATURE_GETOPT_LONG
++#define No_argument "\0"
++#define Required_argument "\001"
++#define Optional_argument "\002"
++extern const char *applet_long_options;
++#endif
++extern uint32_t option_mask32;
++extern uint32_t getopt32(char **argv, const char *applet_opts, ...) FAST_FUNC;
++
++
++typedef struct llist_t {
++ char *data;
++ struct llist_t *link;
++} llist_t;
++void llist_add_to(llist_t **old_head, void *data) FAST_FUNC;
++void llist_add_to_end(llist_t **list_head, void *data) FAST_FUNC;
++void *llist_pop(llist_t **elm) FAST_FUNC;
++void llist_unlink(llist_t **head, llist_t *elm) FAST_FUNC;
++void llist_free(llist_t *elm, void (*freeit)(void *data)) FAST_FUNC;
++llist_t *llist_rev(llist_t *list) FAST_FUNC;
++llist_t *llist_find_str(llist_t *first, const char *str) FAST_FUNC;
++/* BTW, surprisingly, changing API to
++ * llist_t *llist_add_to(llist_t *old_head, void *data)
++ * etc does not result in smaller code... */
++
++/* start_stop_daemon and udhcpc are special - they want
++ * to create pidfiles regardless of FEATURE_PIDFILE */
++#if ENABLE_FEATURE_PIDFILE || defined(WANT_PIDFILE)
++/* True only if we created pidfile which is *file*, not /dev/null etc */
++extern smallint wrote_pidfile;
++void write_pidfile(const char *path) FAST_FUNC;
++#define remove_pidfile(path) do { if (wrote_pidfile) unlink(path); } while (0)
++#else
++enum { wrote_pidfile = 0 };
++#define write_pidfile(path) ((void)0)
++#define remove_pidfile(path) ((void)0)
++#endif
++
++enum {
++ LOGMODE_NONE = 0,
++ LOGMODE_STDIO = (1 << 0),
++ LOGMODE_SYSLOG = (1 << 1) * ENABLE_FEATURE_SYSLOG,
++ LOGMODE_BOTH = LOGMODE_SYSLOG + LOGMODE_STDIO,
++};
++extern const char *msg_eol;
++extern smallint logmode;
++extern int die_sleep;
++extern int xfunc_error_retval;
++extern jmp_buf die_jmp;
++extern void xfunc_die(void) NORETURN FAST_FUNC;
++extern void bb_show_usage(void) NORETURN FAST_FUNC;
++extern void bb_error_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2))) FAST_FUNC;
++extern void bb_error_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2))) FAST_FUNC;
++extern void bb_perror_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2))) FAST_FUNC;
++extern void bb_simple_perror_msg(const char *s) FAST_FUNC;
++extern void bb_perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2))) FAST_FUNC;
++extern void bb_simple_perror_msg_and_die(const char *s) NORETURN FAST_FUNC;
++extern void bb_herror_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2))) FAST_FUNC;
++extern void bb_herror_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2))) FAST_FUNC;
++extern void bb_perror_nomsg_and_die(void) NORETURN FAST_FUNC;
++extern void bb_perror_nomsg(void) FAST_FUNC;
++extern void bb_info_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2))) FAST_FUNC;
++extern void bb_verror_msg(const char *s, va_list p, const char *strerr) FAST_FUNC;
++
++/* We need to export XXX_main from libbusybox
++ * only if we build "individual" binaries
++ */
++#if ENABLE_FEATURE_INDIVIDUAL
++#define MAIN_EXTERNALLY_VISIBLE EXTERNALLY_VISIBLE
++#else
++#define MAIN_EXTERNALLY_VISIBLE
++#endif
++
++
++/* Applets which are useful from another applets */
++int bb_cat(char** argv);
++/* If shell needs them, they exist even if not enabled as applets */
++int echo_main(int argc, char** argv) IF_ECHO(MAIN_EXTERNALLY_VISIBLE);
++int printf_main(int argc, char **argv) IF_PRINTF(MAIN_EXTERNALLY_VISIBLE);
++int test_main(int argc, char **argv) IF_TEST(MAIN_EXTERNALLY_VISIBLE);
++int kill_main(int argc, char **argv) IF_KILL(MAIN_EXTERNALLY_VISIBLE);
++/* Similar, but used by chgrp, not shell */
++int chown_main(int argc, char **argv) IF_CHOWN(MAIN_EXTERNALLY_VISIBLE);
++/* Used by ftpd */
++int ls_main(int argc, char **argv) IF_LS(MAIN_EXTERNALLY_VISIBLE);
++/* Don't need IF_xxx() guard for these */
++int gunzip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
++int bunzip2_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
++
++#if ENABLE_ROUTE
++void bb_displayroutes(int noresolve, int netstatfmt) FAST_FUNC;
++#endif
++
++
++/* Networking */
++int create_icmp_socket(void) FAST_FUNC;
++int create_icmp6_socket(void) FAST_FUNC;
++/* interface.c */
++/* This structure defines protocol families and their handlers. */
++struct aftype {
++ const char *name;
++ const char *title;
++ int af;
++ int alen;
++ char* FAST_FUNC (*print)(unsigned char *);
++ const char* FAST_FUNC (*sprint)(struct sockaddr *, int numeric);
++ int FAST_FUNC (*input)(/*int type,*/ const char *bufp, struct sockaddr *);
++ void FAST_FUNC (*herror)(char *text);
++ int FAST_FUNC (*rprint)(int options);
++ int FAST_FUNC (*rinput)(int typ, int ext, char **argv);
++ /* may modify src */
++ int FAST_FUNC (*getmask)(char *src, struct sockaddr *mask, char *name);
++};
++/* This structure defines hardware protocols and their handlers. */
++struct hwtype {
++ const char *name;
++ const char *title;
++ int type;
++ int alen;
++ char* FAST_FUNC (*print)(unsigned char *);
++ int FAST_FUNC (*input)(const char *, struct sockaddr *);
++ int FAST_FUNC (*activate)(int fd);
++ int suppress_null_addr;
++};
++extern smallint interface_opt_a;
++int display_interfaces(char *ifname) FAST_FUNC;
++#if ENABLE_FEATURE_HWIB
++int in_ib(const char *bufp, struct sockaddr *sap) FAST_FUNC;
++#else
++#define in_ib(a, b) 1 /* fail */
++#endif
++const struct aftype *get_aftype(const char *name) FAST_FUNC;
++const struct hwtype *get_hwtype(const char *name) FAST_FUNC;
++const struct hwtype *get_hwntype(int type) FAST_FUNC;
++
++
++#ifndef BUILD_INDIVIDUAL
++extern int find_applet_by_name(const char *name) FAST_FUNC;
++/* Returns only if applet is not found. */
++extern void run_applet_and_exit(const char *name, char **argv) FAST_FUNC;
++extern void run_applet_no_and_exit(int a, char **argv) NORETURN FAST_FUNC;
++#endif
++
++#ifdef HAVE_MNTENT_H
++extern int match_fstype(const struct mntent *mt, const char *fstypes) FAST_FUNC;
++extern struct mntent *find_mount_point(const char *name, int subdir_too) FAST_FUNC;
++#endif
++extern void erase_mtab(const char * name) FAST_FUNC;
++extern unsigned int tty_baud_to_value(speed_t speed) FAST_FUNC;
++extern speed_t tty_value_to_baud(unsigned int value) FAST_FUNC;
++#if ENABLE_DESKTOP
++extern void bb_warn_ignoring_args(char *arg) FAST_FUNC;
++#else
++# define bb_warn_ignoring_args(arg) ((void)0)
++#endif
++
++extern int get_linux_version_code(void) FAST_FUNC;
++
++extern char *query_loop(const char *device) FAST_FUNC;
++extern int del_loop(const char *device) FAST_FUNC;
++/* If *devname is not NULL, use that name, otherwise try to find free one,
++ * malloc and return it in *devname.
++ * return value: 1: read-only loopdev was setup, 0: rw, < 0: error */
++extern int set_loop(char **devname, const char *file, unsigned long long offset) FAST_FUNC;
++
++/* Like bb_ask below, but asks on stdin with no timeout. */
++char *bb_ask_stdin(const char * prompt) FAST_FUNC;
++//TODO: pass buf pointer or return allocated buf (avoid statics)?
++char *bb_ask(const int fd, int timeout, const char * prompt) FAST_FUNC;
++int bb_ask_confirmation(void) FAST_FUNC;
++
++int bb_parse_mode(const char* s, mode_t* theMode) FAST_FUNC;
++
++/*
++ * Config file parser
++ */
++enum {
++ PARSE_COLLAPSE = 0x00010000, // treat consecutive delimiters as one
++ PARSE_TRIM = 0x00020000, // trim leading and trailing delimiters
++// TODO: COLLAPSE and TRIM seem to always go in pair
++ PARSE_GREEDY = 0x00040000, // last token takes entire remainder of the line
++ PARSE_MIN_DIE = 0x00100000, // die if < min tokens found
++ // keep a copy of current line
++ PARSE_KEEP_COPY = 0x00200000 * ENABLE_FEATURE_CROND_D,
++// PARSE_ESCAPE = 0x00400000, // process escape sequences in tokens
++ // NORMAL is:
++ // * remove leading and trailing delimiters and collapse
++ // multiple delimiters into one
++ // * warn and continue if less than mintokens delimiters found
++ // * grab everything into last token
++ PARSE_NORMAL = PARSE_COLLAPSE | PARSE_TRIM | PARSE_GREEDY,
++};
++typedef struct parser_t {
++ FILE *fp;
++ char *line;
++ char *data;
++ int lineno;
++} parser_t;
++parser_t* config_open(const char *filename) FAST_FUNC;
++parser_t* config_open2(const char *filename, FILE* FAST_FUNC (*fopen_func)(const char *path)) FAST_FUNC;
++/* delims[0] is a comment char (use '\0' to disable), the rest are token delimiters */
++int config_read(parser_t *parser, char **tokens, unsigned flags, const char *delims) FAST_FUNC;
++#define config_read(parser, tokens, max, min, str, flags) \
++ config_read(parser, tokens, ((flags) | (((min) & 0xFF) << 8) | ((max) & 0xFF)), str)
++void config_close(parser_t *parser) FAST_FUNC;
++
++/* Concatenate path and filename to new allocated buffer.
++ * Add "/" only as needed (no duplicate "//" are produced).
++ * If path is NULL, it is assumed to be "/".
++ * filename should not be NULL. */
++char *concat_path_file(const char *path, const char *filename) FAST_FUNC;
++char *concat_subpath_file(const char *path, const char *filename) FAST_FUNC;
++const char *bb_basename(const char *name) FAST_FUNC;
++/* NB: can violate const-ness (similarly to strchr) */
++char *last_char_is(const char *s, int c) FAST_FUNC;
++
++
++int bb_make_directory(char *path, long mode, int flags) FAST_FUNC;
++
++int get_signum(const char *name) FAST_FUNC;
++const char *get_signame(int number) FAST_FUNC;
++void print_signames(void) FAST_FUNC;
++
++char *bb_simplify_path(const char *path) FAST_FUNC;
++/* Returns ptr to NUL */
++char *bb_simplify_abs_path_inplace(char *path) FAST_FUNC;
++
++#define FAIL_DELAY 3
++extern void bb_do_delay(int seconds) FAST_FUNC;
++extern void change_identity(const struct passwd *pw) FAST_FUNC;
++extern void run_shell(const char *shell, int loginshell, const char *command, const char **additional_args) NORETURN FAST_FUNC;
++#if ENABLE_SELINUX
++extern void renew_current_security_context(void) FAST_FUNC;
++extern void set_current_security_context(security_context_t sid) FAST_FUNC;
++extern context_t set_security_context_component(security_context_t cur_context,
++ char *user, char *role, char *type, char *range) FAST_FUNC;
++extern void setfscreatecon_or_die(security_context_t scontext) FAST_FUNC;
++extern void selinux_preserve_fcontext(int fdesc) FAST_FUNC;
++#else
++#define selinux_preserve_fcontext(fdesc) ((void)0)
++#endif
++extern void selinux_or_die(void) FAST_FUNC;
++
++/* setup_environment:
++ * if chdir pw->pw_dir: ok: else if to_tmp == 1: goto /tmp else: goto / or die
++ * if clear_env = 1: cd(pw->pw_dir), clear environment, then set
++ * TERM=(old value)
++ * USER=pw->pw_name, LOGNAME=pw->pw_name
++ * PATH=bb_default_[root_]path
++ * HOME=pw->pw_dir
++ * SHELL=shell
++ * else if change_env = 1:
++ * if not root (if pw->pw_uid != 0):
++ * USER=pw->pw_name, LOGNAME=pw->pw_name
++ * HOME=pw->pw_dir
++ * SHELL=shell
++ * else does nothing
++ */
++#define SETUP_ENV_CHANGEENV (1 << 0)
++#define SETUP_ENV_CLEARENV (1 << 1)
++#define SETUP_ENV_TO_TMP (1 << 2)
++extern void setup_environment(const char *shell, int flags, const struct passwd *pw) FAST_FUNC;
++extern int correct_password(const struct passwd *pw) FAST_FUNC;
++/* Returns a malloced string */
++#if !ENABLE_USE_BB_CRYPT
++#define pw_encrypt(clear, salt, cleanup) pw_encrypt(clear, salt)
++#endif
++extern char *pw_encrypt(const char *clear, const char *salt, int cleanup) FAST_FUNC;
++extern int obscure(const char *old, const char *newval, const struct passwd *pwdp) FAST_FUNC;
++/* rnd is additional random input. New one is returned.
++ * Useful if you call crypt_make_salt many times in a row:
++ * rnd = crypt_make_salt(buf1, 4, 0);
++ * rnd = crypt_make_salt(buf2, 4, rnd);
++ * rnd = crypt_make_salt(buf3, 4, rnd);
++ * (otherwise we risk having same salt generated)
++ */
++extern int crypt_make_salt(char *p, int cnt, int rnd) FAST_FUNC;
++
++/* Returns number of lines changed, or -1 on error */
++#if !(ENABLE_FEATURE_ADDUSER_TO_GROUP || ENABLE_FEATURE_DEL_USER_FROM_GROUP)
++#define update_passwd(filename, username, data, member) \
++ update_passwd(filename, username, data)
++#endif
++extern int update_passwd(const char *filename,
++ const char *username,
++ const char *data,
++ const char *member) FAST_FUNC;
++
++int index_in_str_array(const char *const string_array[], const char *key) FAST_FUNC;
++int index_in_strings(const char *strings, const char *key) FAST_FUNC;
++int index_in_substr_array(const char *const string_array[], const char *key) FAST_FUNC;
++int index_in_substrings(const char *strings, const char *key) FAST_FUNC;
++const char *nth_string(const char *strings, int n) FAST_FUNC;
++
++extern void print_login_issue(const char *issue_file, const char *tty) FAST_FUNC;
++extern void print_login_prompt(void) FAST_FUNC;
++
++char *xmalloc_ttyname(int fd) FAST_FUNC RETURNS_MALLOC;
++/* NB: typically you want to pass fd 0, not 1. Think 'applet | grep something' */
++int get_terminal_width_height(int fd, unsigned *width, unsigned *height) FAST_FUNC;
++
++int tcsetattr_stdin_TCSANOW(const struct termios *tp) FAST_FUNC;
++
++/* NB: "unsigned request" is crucial! "int request" will break some arches! */
++int ioctl_or_perror(int fd, unsigned request, void *argp, const char *fmt,...) __attribute__ ((format (printf, 4, 5))) FAST_FUNC;
++int ioctl_or_perror_and_die(int fd, unsigned request, void *argp, const char *fmt,...) __attribute__ ((format (printf, 4, 5))) FAST_FUNC;
++#if ENABLE_IOCTL_HEX2STR_ERROR
++int bb_ioctl_or_warn(int fd, unsigned request, void *argp, const char *ioctl_name) FAST_FUNC;
++int bb_xioctl(int fd, unsigned request, void *argp, const char *ioctl_name) FAST_FUNC;
++#define ioctl_or_warn(fd,request,argp) bb_ioctl_or_warn(fd,request,argp,#request)
++#define xioctl(fd,request,argp) bb_xioctl(fd,request,argp,#request)
++#else
++int bb_ioctl_or_warn(int fd, unsigned request, void *argp) FAST_FUNC;
++int bb_xioctl(int fd, unsigned request, void *argp) FAST_FUNC;
++#define ioctl_or_warn(fd,request,argp) bb_ioctl_or_warn(fd,request,argp)
++#define xioctl(fd,request,argp) bb_xioctl(fd,request,argp)
++#endif
++
++char *is_in_ino_dev_hashtable(const struct stat *statbuf) FAST_FUNC;
++void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name) FAST_FUNC;
++void reset_ino_dev_hashtable(void) FAST_FUNC;
++#ifdef __GLIBC__
++/* At least glibc has horrendously large inline for this, so wrap it */
++unsigned long long bb_makedev(unsigned int major, unsigned int minor) FAST_FUNC;
++#undef makedev
++#define makedev(a,b) bb_makedev(a,b)
++#endif
++
++
++/* "Keycodes" that report an escape sequence.
++ * We use something which fits into signed char,
++ * yet doesn't represent any valid Unicode character.
++ * Also, -1 is reserved for error indication and we don't use it. */
++enum {
++ KEYCODE_UP = -2,
++ KEYCODE_DOWN = -3,
++ KEYCODE_RIGHT = -4,
++ KEYCODE_LEFT = -5,
++ KEYCODE_HOME = -6,
++ KEYCODE_END = -7,
++ KEYCODE_INSERT = -8,
++ KEYCODE_DELETE = -9,
++ KEYCODE_PAGEUP = -10,
++ KEYCODE_PAGEDOWN = -11,
++
++ KEYCODE_CTRL_UP = KEYCODE_UP & ~0x40,
++ KEYCODE_CTRL_DOWN = KEYCODE_DOWN & ~0x40,
++ KEYCODE_CTRL_RIGHT = KEYCODE_RIGHT & ~0x40,
++ KEYCODE_CTRL_LEFT = KEYCODE_LEFT & ~0x40,
++#if 0
++ KEYCODE_FUN1 = -12,
++ KEYCODE_FUN2 = -13,
++ KEYCODE_FUN3 = -14,
++ KEYCODE_FUN4 = -15,
++ KEYCODE_FUN5 = -16,
++ KEYCODE_FUN6 = -17,
++ KEYCODE_FUN7 = -18,
++ KEYCODE_FUN8 = -19,
++ KEYCODE_FUN9 = -20,
++ KEYCODE_FUN10 = -21,
++ KEYCODE_FUN11 = -22,
++ KEYCODE_FUN12 = -23,
++#endif
++ KEYCODE_CURSOR_POS = -0x100, /* 0xfff..fff00 */
++ /* How long is the longest ESC sequence we know?
++ * We want it big enough to be able to contain
++ * cursor position sequence "ESC [ 9999 ; 9999 R"
++ */
++ KEYCODE_BUFFER_SIZE = 16
++};
++/* Note: fd may be in blocking or non-blocking mode, both make sense.
++ * For one, less uses non-blocking mode.
++ * Only the first read syscall inside read_key may block indefinitely
++ * (unless fd is in non-blocking mode),
++ * subsequent reads will time out after a few milliseconds.
++ * Return of -1 means EOF or error (errno == 0 on EOF).
++ * buffer[0] is used as a counter of buffered chars and must be 0
++ * on first call.
++ * timeout:
++ * -2: do not poll for input;
++ * -1: poll(-1) (i.e. block);
++ * >=0: poll for TIMEOUT milliseconds, return -1/EAGAIN on timeout
++ */
++int64_t read_key(int fd, char *buffer, int timeout) FAST_FUNC;
++void read_key_ungets(char *buffer, const char *str, unsigned len) FAST_FUNC;
++
++
++#if ENABLE_FEATURE_EDITING
++/* It's NOT just ENABLEd or disabled. It's a number: */
++# ifdef CONFIG_FEATURE_EDITING_HISTORY
++# define MAX_HISTORY (CONFIG_FEATURE_EDITING_HISTORY + 0)
++# else
++# define MAX_HISTORY 0
++# endif
++typedef struct line_input_t {
++ int flags;
++ const char *path_lookup;
++# if MAX_HISTORY
++ int cnt_history;
++ int cur_history;
++# if ENABLE_FEATURE_EDITING_SAVEHISTORY
++ unsigned cnt_history_in_file;
++ const char *hist_file;
++# endif
++ char *history[MAX_HISTORY + 1];
++# endif
++} line_input_t;
++enum {
++ DO_HISTORY = 1 * (MAX_HISTORY > 0),
++ SAVE_HISTORY = 2 * (MAX_HISTORY > 0) * ENABLE_FEATURE_EDITING_SAVEHISTORY,
++ TAB_COMPLETION = 4 * ENABLE_FEATURE_TAB_COMPLETION,
++ USERNAME_COMPLETION = 8 * ENABLE_FEATURE_USERNAME_COMPLETION,
++ VI_MODE = 0x10 * ENABLE_FEATURE_EDITING_VI,
++ WITH_PATH_LOOKUP = 0x20,
++ FOR_SHELL = DO_HISTORY | SAVE_HISTORY | TAB_COMPLETION | USERNAME_COMPLETION,
++};
++line_input_t *new_line_input_t(int flags) FAST_FUNC;
++/* So far static: void free_line_input_t(line_input_t *n) FAST_FUNC; */
++/* maxsize must be >= 2.
++ * Returns:
++ * -1 on read errors or EOF, or on bare Ctrl-D,
++ * 0 on ctrl-C (the line entered is still returned in 'command'),
++ * >0 length of input string, including terminating '\n'
++ */
++int read_line_input(const char* prompt, char* command, int maxsize, line_input_t *state) FAST_FUNC;
++#else
++#define MAX_HISTORY 0
++int read_line_input(const char* prompt, char* command, int maxsize) FAST_FUNC;
++#define read_line_input(prompt, command, maxsize, state) \
++ read_line_input(prompt, command, maxsize)
++#endif
++
++
++#ifndef COMM_LEN
++# ifdef TASK_COMM_LEN
++enum { COMM_LEN = TASK_COMM_LEN };
++# else
++/* synchronize with sizeof(task_struct.comm) in /usr/include/linux/sched.h */
++enum { COMM_LEN = 16 };
++# endif
++#endif
++typedef struct procps_status_t {
++ DIR *dir;
++ IF_FEATURE_SHOW_THREADS(DIR *task_dir;)
++ uint8_t shift_pages_to_bytes;
++ uint8_t shift_pages_to_kb;
++/* Fields are set to 0/NULL if failed to determine (or not requested) */
++ uint16_t argv_len;
++ char *argv0;
++ char *exe;
++ IF_SELINUX(char *context;)
++ /* Everything below must contain no ptrs to malloc'ed data:
++ * it is memset(0) for each process in procps_scan() */
++ unsigned long vsz, rss; /* we round it to kbytes */
++ unsigned long stime, utime;
++ unsigned long start_time;
++ unsigned pid;
++ unsigned ppid;
++ unsigned pgid;
++ unsigned sid;
++ unsigned uid;
++ unsigned gid;
++#if ENABLE_FEATURE_PS_ADDITIONAL_COLUMNS
++ unsigned ruid;
++ unsigned rgid;
++ int niceness;
++#endif
++ unsigned tty_major,tty_minor;
++#if ENABLE_FEATURE_TOPMEM
++ unsigned long mapped_rw;
++ unsigned long mapped_ro;
++ unsigned long shared_clean;
++ unsigned long shared_dirty;
++ unsigned long private_clean;
++ unsigned long private_dirty;
++ unsigned long stack;
++#endif
++ char state[4];
++ /* basename of executable in exec(2), read from /proc/N/stat
++ * (if executable is symlink or script, it is NOT replaced
++ * by link target or interpreter name) */
++ char comm[COMM_LEN];
++ /* user/group? - use passwd/group parsing functions */
++#if ENABLE_FEATURE_TOP_SMP_PROCESS
++ int last_seen_on_cpu;
++#endif
++} procps_status_t;
++/* flag bits for procps_scan(xx, flags) calls */
++enum {
++ PSSCAN_PID = 1 << 0,
++ PSSCAN_PPID = 1 << 1,
++ PSSCAN_PGID = 1 << 2,
++ PSSCAN_SID = 1 << 3,
++ PSSCAN_UIDGID = 1 << 4,
++ PSSCAN_COMM = 1 << 5,
++ /* PSSCAN_CMD = 1 << 6, - use read_cmdline instead */
++ PSSCAN_ARGV0 = 1 << 7,
++ PSSCAN_EXE = 1 << 8,
++ PSSCAN_STATE = 1 << 9,
++ PSSCAN_VSZ = 1 << 10,
++ PSSCAN_RSS = 1 << 11,
++ PSSCAN_STIME = 1 << 12,
++ PSSCAN_UTIME = 1 << 13,
++ PSSCAN_TTY = 1 << 14,
++ PSSCAN_SMAPS = (1 << 15) * ENABLE_FEATURE_TOPMEM,
++ /* NB: used by find_pid_by_name(). Any applet using it
++ * needs to be mentioned here. */
++ PSSCAN_ARGVN = (1 << 16) * (ENABLE_KILLALL
++ || ENABLE_PGREP || ENABLE_PKILL
++ || ENABLE_PIDOF
++ || ENABLE_SESTATUS
++ ),
++ PSSCAN_CONTEXT = (1 << 17) * ENABLE_SELINUX,
++ PSSCAN_START_TIME = 1 << 18,
++ PSSCAN_CPU = (1 << 19) * ENABLE_FEATURE_TOP_SMP_PROCESS,
++ PSSCAN_NICE = (1 << 20) * ENABLE_FEATURE_PS_ADDITIONAL_COLUMNS,
++ PSSCAN_RUIDGID = (1 << 21) * ENABLE_FEATURE_PS_ADDITIONAL_COLUMNS,
++ PSSCAN_TASKS = (1 << 22) * ENABLE_FEATURE_SHOW_THREADS,
++ /* These are all retrieved from proc/NN/stat in one go: */
++ PSSCAN_STAT = PSSCAN_PPID | PSSCAN_PGID | PSSCAN_SID
++ /**/ | PSSCAN_COMM | PSSCAN_STATE
++ /**/ | PSSCAN_VSZ | PSSCAN_RSS
++ /**/ | PSSCAN_STIME | PSSCAN_UTIME | PSSCAN_START_TIME
++ /**/ | PSSCAN_TTY | PSSCAN_NICE
++ /**/ | PSSCAN_CPU
++};
++//procps_status_t* alloc_procps_scan(void) FAST_FUNC;
++void free_procps_scan(procps_status_t* sp) FAST_FUNC;
++procps_status_t* procps_scan(procps_status_t* sp, int flags) FAST_FUNC;
++/* Format cmdline (up to col chars) into char buf[size] */
++/* Puts [comm] if cmdline is empty (-> process is a kernel thread) */
++void read_cmdline(char *buf, int size, unsigned pid, const char *comm) FAST_FUNC;
++pid_t *find_pid_by_name(const char* procName) FAST_FUNC;
++pid_t *pidlist_reverse(pid_t *pidList) FAST_FUNC;
++
++
++extern const char bb_uuenc_tbl_base64[];
++extern const char bb_uuenc_tbl_std[];
++void bb_uuencode(char *store, const void *s, int length, const char *tbl) FAST_FUNC;
++
++typedef struct sha1_ctx_t {
++ uint32_t hash[8]; /* 5, +3 elements for sha256 */
++ uint64_t total64;
++ uint8_t wbuffer[64]; /* NB: always correctly aligned for uint64_t */
++ void (*process_block)(struct sha1_ctx_t*) FAST_FUNC;
++} sha1_ctx_t;
++void sha1_begin(sha1_ctx_t *ctx) FAST_FUNC;
++void sha1_hash(const void *data, size_t length, sha1_ctx_t *ctx) FAST_FUNC;
++void sha1_end(void *resbuf, sha1_ctx_t *ctx) FAST_FUNC;
++typedef struct sha1_ctx_t sha256_ctx_t;
++void sha256_begin(sha256_ctx_t *ctx) FAST_FUNC;
++#define sha256_hash sha1_hash
++#define sha256_end sha1_end
++typedef struct sha512_ctx_t {
++ uint64_t hash[8];
++ uint64_t total64[2];
++ uint8_t wbuffer[128]; /* NB: always correctly aligned for uint64_t */
++} sha512_ctx_t;
++void sha512_begin(sha512_ctx_t *ctx) FAST_FUNC;
++void sha512_hash(const void *buffer, size_t len, sha512_ctx_t *ctx) FAST_FUNC;
++void sha512_end(void *resbuf, sha512_ctx_t *ctx) FAST_FUNC;
++#if 1
++typedef struct md5_ctx_t {
++ uint32_t A;
++ uint32_t B;
++ uint32_t C;
++ uint32_t D;
++ uint64_t total;
++ uint32_t buflen;
++ char buffer[128];
++} md5_ctx_t;
++#else
++/* libbb/md5prime.c uses a bit different one: */
++typedef struct md5_ctx_t {
++ uint32_t state[4]; /* state (ABCD) */
++ uint32_t count[2]; /* number of bits, modulo 2^64 (lsb first) */
++ unsigned char buffer[64]; /* input buffer */
++} md5_ctx_t;
++#endif
++void md5_begin(md5_ctx_t *ctx) FAST_FUNC;
++void md5_hash(const void *data, size_t length, md5_ctx_t *ctx) FAST_FUNC;
++void md5_end(void *resbuf, md5_ctx_t *ctx) FAST_FUNC;
++
++
++uint32_t *crc32_filltable(uint32_t *tbl256, int endian) FAST_FUNC;
++
++typedef struct masks_labels_t {
++ const char *labels;
++ const int masks[];
++} masks_labels_t;
++int print_flags_separated(const int *masks, const char *labels,
++ int flags, const char *separator) FAST_FUNC;
++int print_flags(const masks_labels_t *ml, int flags) FAST_FUNC;
++
++typedef struct bb_progress_t {
++ off_t lastsize;
++ unsigned lastupdate_sec;
++ unsigned start_sec;
++ smallint inited;
++} bb_progress_t;
++
++void bb_progress_init(bb_progress_t *p) FAST_FUNC;
++void bb_progress_update(bb_progress_t *p, const char *curfile,
++ off_t beg_range, off_t transferred,
++ off_t totalsize) FAST_FUNC;
++
++extern const char *applet_name;
++/* "BusyBox vN.N.N (timestamp or extra_version)" */
++extern const char bb_banner[];
++extern const char bb_msg_memory_exhausted[];
++extern const char bb_msg_invalid_date[];
++extern const char bb_msg_read_error[];
++extern const char bb_msg_write_error[];
++extern const char bb_msg_unknown[];
++extern const char bb_msg_can_not_create_raw_socket[];
++extern const char bb_msg_perm_denied_are_you_root[];
++extern const char bb_msg_you_must_be_root[];
++extern const char bb_msg_requires_arg[];
++extern const char bb_msg_invalid_arg[];
++extern const char bb_msg_standard_input[];
++extern const char bb_msg_standard_output[];
++
++extern const char bb_str_default[];
++/* NB: (bb_hexdigits_upcase[i] | 0x20) -> lowercase hex digit */
++extern const char bb_hexdigits_upcase[];
++
++extern const char bb_path_mtab_file[];
++extern const char bb_path_passwd_file[];
++extern const char bb_path_shadow_file[];
++extern const char bb_path_gshadow_file[];
++extern const char bb_path_group_file[];
++extern const char bb_path_motd_file[];
++extern const char bb_path_wtmp_file[];
++extern const char bb_dev_null[];
++extern const char bb_busybox_exec_path[];
++/* util-linux manpage says /sbin:/bin:/usr/sbin:/usr/bin,
++ * but I want to save a few bytes here */
++extern const char bb_PATH_root_path[]; /* "PATH=/sbin:/usr/sbin:/bin:/usr/bin" */
++#define bb_default_root_path (bb_PATH_root_path + sizeof("PATH"))
++#define bb_default_path (bb_PATH_root_path + sizeof("PATH=/sbin:/usr/sbin"))
++
++extern const int const_int_0;
++extern const int const_int_1;
++
++
++/* Providing hard guarantee on minimum size (think of BUFSIZ == 128) */
++enum { COMMON_BUFSIZE = (BUFSIZ >= 256*sizeof(void*) ? BUFSIZ+1 : 256*sizeof(void*)) };
++extern char bb_common_bufsiz1[COMMON_BUFSIZE];
++/* This struct is deliberately not defined. */
++/* See docs/keep_data_small.txt */
++struct globals;
++/* '*const' ptr makes gcc optimize code much better.
++ * Magic prevents ptr_to_globals from going into rodata.
++ * If you want to assign a value, use SET_PTR_TO_GLOBALS(x) */
++extern struct globals *const ptr_to_globals;
++/* At least gcc 3.4.6 on mipsel system needs optimization barrier */
++#define barrier() __asm__ __volatile__("":::"memory")
++#define SET_PTR_TO_GLOBALS(x) do { \
++ (*(struct globals**)&ptr_to_globals) = (void*)(x); \
++ barrier(); \
++} while (0)
++
++/* You can change LIBBB_DEFAULT_LOGIN_SHELL, but don't use it,
++ * use bb_default_login_shell and following defines.
++ * If you change LIBBB_DEFAULT_LOGIN_SHELL,
++ * don't forget to change increment constant. */
++#define LIBBB_DEFAULT_LOGIN_SHELL "-/bin/sh"
++extern const char bb_default_login_shell[];
++/* "/bin/sh" */
++#define DEFAULT_SHELL (bb_default_login_shell+1)
++/* "sh" */
++#define DEFAULT_SHELL_SHORT_NAME (bb_default_login_shell+6)
++
++#if ENABLE_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"
++# if defined(__sh__) || defined(__H8300H__) || defined(__H8300S__)
++/* Yes, this sucks, but both SH (including sh64) and H8 have a SCI(F) for their
++ respective serial ports .. as such, we can't use the common device paths for
++ these. -- PFM */
++# define SC_0 "/dev/ttsc/0"
++# define SC_1 "/dev/ttsc/1"
++# define SC_FORMAT "/dev/ttsc/%d"
++# else
++# define SC_0 "/dev/tts/0"
++# define SC_1 "/dev/tts/1"
++# define SC_FORMAT "/dev/tts/%d"
++# endif
++# define VC_FORMAT "/dev/vc/%d"
++# define LOOP_FORMAT "/dev/loop/%d"
++# define LOOP_NAMESIZE (sizeof("/dev/loop/") + sizeof(int)*3 + 1)
++# define LOOP_NAME "/dev/loop/"
++# define FB_0 "/dev/fb/0"
++#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"
++# if defined(__sh__) || defined(__H8300H__) || defined(__H8300S__)
++# define SC_0 "/dev/ttySC0"
++# define SC_1 "/dev/ttySC1"
++# define SC_FORMAT "/dev/ttySC%d"
++# else
++# define SC_0 "/dev/ttyS0"
++# define SC_1 "/dev/ttyS1"
++# define SC_FORMAT "/dev/ttyS%d"
++# endif
++# define VC_FORMAT "/dev/tty%d"
++# define LOOP_FORMAT "/dev/loop%d"
++# define LOOP_NAMESIZE (sizeof("/dev/loop") + sizeof(int)*3 + 1)
++# define LOOP_NAME "/dev/loop"
++# define FB_0 "/dev/fb0"
++#endif
++
++/* The following devices are the same on devfs and non-devfs systems. */
++#define CURRENT_TTY "/dev/tty"
++#define DEV_CONSOLE "/dev/console"
++
++
++#define ARRAY_SIZE(x) ((unsigned)(sizeof(x) / sizeof((x)[0])))
++
++
++/* We redefine ctype macros. Unicode-correct handling of char types
++ * can't be done with such byte-oriented operations anyway,
++ * we don't lose anything.
++ */
++#undef isalnum
++#undef isalpha
++#undef isascii
++#undef isblank
++#undef iscntrl
++#undef isdigit
++#undef isgraph
++#undef islower
++#undef isprint
++#undef ispunct
++#undef isspace
++#undef isupper
++#undef isxdigit
++#undef toupper
++#undef tolower
++
++/* We save ~500 bytes on isdigit alone.
++ * BTW, x86 likes (unsigned char) cast more than (unsigned). */
++
++/* These work the same for ASCII and Unicode,
++ * assuming no one asks "is this a *Unicode* letter?" using isalpha(letter) */
++#define isascii(a) ((unsigned char)(a) <= 0x7f)
++#define isdigit(a) ((unsigned char)((a) - '0') <= 9)
++#define isupper(a) ((unsigned char)((a) - 'A') <= ('Z' - 'A'))
++#define islower(a) ((unsigned char)((a) - 'a') <= ('z' - 'a'))
++#define isalpha(a) ((unsigned char)(((a)|0x20) - 'a') <= ('z' - 'a'))
++#define isblank(a) ({ unsigned char bb__isblank = (a); bb__isblank == ' ' || bb__isblank == '\t'; })
++#define iscntrl(a) ({ unsigned char bb__iscntrl = (a); bb__iscntrl < ' ' || bb__iscntrl == 0x7f; })
++/* In POSIX/C locale isspace is only these chars: "\t\n\v\f\r" and space.
++ * "\t\n\v\f\r" happen to have ASCII codes 9,10,11,12,13.
++ */
++#define isspace(a) ({ unsigned char bb__isspace = (a) - 9; bb__isspace == (' ' - 9) || bb__isspace <= (13 - 9); })
++// Unsafe wrt NUL: #define ispunct(a) (strchr("!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~", (a)) != NULL)
++#define ispunct(a) (strchrnul("!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~", (a))[0])
++// Bigger code: #define isalnum(a) ({ unsigned char bb__isalnum = (a) - '0'; bb__isalnum <= 9 || ((bb__isalnum - ('A' - '0')) & 0xdf) <= 25; })
++#define isalnum(a) bb_ascii_isalnum(a)
++static ALWAYS_INLINE int bb_ascii_isalnum(unsigned char a)
++{
++ unsigned char b = a - '0';
++ if (b <= 9)
++ return (b <= 9);
++ b = (a|0x20) - 'a';
++ return b <= 'z' - 'a';
++}
++#define isxdigit(a) bb_ascii_isxdigit(a)
++static ALWAYS_INLINE int bb_ascii_isxdigit(unsigned char a)
++{
++ unsigned char b = a - '0';
++ if (b <= 9)
++ return (b <= 9);
++ b = (a|0x20) - 'a';
++ return b <= 'f' - 'a';
++}
++#define toupper(a) bb_ascii_toupper(a)
++static ALWAYS_INLINE unsigned char bb_ascii_toupper(unsigned char a)
++{
++ unsigned char b = a - 'a';
++ if (b <= ('z' - 'a'))
++ a -= 'a' - 'A';
++ return a;
++}
++#define tolower(a) bb_ascii_tolower(a)
++static ALWAYS_INLINE unsigned char bb_ascii_tolower(unsigned char a)
++{
++ unsigned char b = a - 'A';
++ if (b <= ('Z' - 'A'))
++ a += 'a' - 'A';
++ return a;
++}
++
++/* In ASCII and Unicode, these are likely to be very different.
++ * Let's prevent ambiguous usage from the start */
++#define isgraph(a) isgraph_is_ambiguous_dont_use(a)
++#define isprint(a) isprint_is_ambiguous_dont_use(a)
++/* NB: must not treat EOF as isgraph or isprint */
++#define isgraph_asciionly(a) ((unsigned)((a) - 0x21) <= 0x7e - 0x21)
++#define isprint_asciionly(a) ((unsigned)((a) - 0x20) <= 0x7e - 0x20)
++
++
++POP_SAVED_FUNCTION_VISIBILITY
++
++#endif
diff -Nur busybox-1.17.1.orig/include/platform.h busybox-1.17.1/include/platform.h
--- busybox-1.17.1.orig/include/platform.h 2010-07-06 04:25:54.000000000 +0200
-+++ busybox-1.17.1/include/platform.h 2010-07-26 14:29:10.000000000 +0200
++++ busybox-1.17.1/include/platform.h 2010-07-28 20:14:27.000000000 +0200
@@ -150,18 +150,19 @@
/* ---- Endian Detection ------------------------------------ */
@@ -42,9 +1802,438 @@ diff -Nur busybox-1.17.1.orig/include/platform.h busybox-1.17.1/include/platform
# include <byteswap.h>
# include <endian.h>
#endif
+@@ -172,9 +173,15 @@
+ #elif defined(__BYTE_ORDER) && __BYTE_ORDER == __BIG_ENDIAN
+ # define BB_BIG_ENDIAN 1
+ # define BB_LITTLE_ENDIAN 0
++#elif defined(_BYTE_ORDER) && _BYTE_ORDER == _BIG_ENDIAN
++# define BB_BIG_ENDIAN 1
++# define BB_LITTLE_ENDIAN 0
+ #elif (defined(__BYTE_ORDER) && __BYTE_ORDER == __LITTLE_ENDIAN) || defined(__386__)
+ # define BB_BIG_ENDIAN 0
+ # define BB_LITTLE_ENDIAN 1
++#elif (defined(_BYTE_ORDER) && _BYTE_ORDER == _LITTLE_ENDIAN) || defined(__386__)
++# define BB_BIG_ENDIAN 0
++# define BB_LITTLE_ENDIAN 1
+ #else
+ # error "Can't determine endianness"
+ #endif
+diff -Nur busybox-1.17.1.orig/include/platform.h.orig busybox-1.17.1/include/platform.h.orig
+--- busybox-1.17.1.orig/include/platform.h.orig 1970-01-01 01:00:00.000000000 +0100
++++ busybox-1.17.1/include/platform.h.orig 2010-07-06 04:25:54.000000000 +0200
+@@ -0,0 +1,409 @@
++/* vi: set sw=4 ts=4: */
++/*
++ Copyright 2006, Bernhard Reutner-Fischer
++
++ Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
++*/
++#ifndef BB_PLATFORM_H
++#define BB_PLATFORM_H 1
++
++/* Assume all these functions exist by default. Platforms where it is not
++ * true will #undef them below.
++ */
++#define HAVE_FDPRINTF 1
++#define HAVE_MEMRCHR 1
++#define HAVE_MKDTEMP 1
++#define HAVE_SETBIT 1
++#define HAVE_STRCASESTR 1
++#define HAVE_STRCHRNUL 1
++#define HAVE_STRSEP 1
++#define HAVE_STRSIGNAL 1
++#define HAVE_VASPRINTF 1
++
++/* Convenience macros to test the version of gcc. */
++#undef __GNUC_PREREQ
++#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)
++# ifndef __restrict
++# define __restrict
++# endif
++#endif
++
++/* Define macros for some gcc attributes. This permits us to use the
++ macros freely, and know that they will come into play for the
++ version of gcc in which they are supported. */
++
++#if !__GNUC_PREREQ(2,7)
++# ifndef __attribute__
++# define __attribute__(x)
++# endif
++#endif
++
++#undef inline
++#if defined(__STDC_VERSION__) && __STDC_VERSION__ > 199901L
++/* it's a keyword */
++#elif __GNUC_PREREQ(2,7)
++# define inline __inline__
++#else
++# define inline
++#endif
++
++#ifndef __const
++# define __const const
++#endif
++
++#define UNUSED_PARAM __attribute__ ((__unused__))
++#define NORETURN __attribute__ ((__noreturn__))
++/* "The malloc attribute is used to tell the compiler that a function
++ * may be treated as if any non-NULL pointer it returns cannot alias
++ * any other pointer valid when the function returns. This will often
++ * improve optimization. Standard functions with this property include
++ * malloc and calloc. realloc-like functions have this property as long
++ * as the old pointer is never referred to (including comparing it
++ * to the new pointer) after the function returns a non-NULL value."
++ */
++#define RETURNS_MALLOC __attribute__ ((malloc))
++#define PACKED __attribute__ ((__packed__))
++#define ALIGNED(m) __attribute__ ((__aligned__(m)))
++
++/* __NO_INLINE__: some gcc's do not honor inlining! :( */
++#if __GNUC_PREREQ(3,0) && !defined(__NO_INLINE__)
++# define ALWAYS_INLINE __attribute__ ((always_inline)) inline
++/* I've seen a toolchain where I needed __noinline__ instead of noinline */
++# define NOINLINE __attribute__((__noinline__))
++# if !ENABLE_WERROR
++# define DEPRECATED __attribute__ ((__deprecated__))
++# define UNUSED_PARAM_RESULT __attribute__ ((warn_unused_result))
++# else
++# define DEPRECATED
++# define UNUSED_PARAM_RESULT
++# endif
++#else
++# define ALWAYS_INLINE inline
++# define NOINLINE
++# define DEPRECATED
++# define UNUSED_PARAM_RESULT
++#endif
++
++/* -fwhole-program makes all symbols local. The attribute externally_visible
++ forces a symbol global. */
++#if __GNUC_PREREQ(4,1)
++# define EXTERNALLY_VISIBLE __attribute__(( visibility("default") ))
++//__attribute__ ((__externally_visible__))
++#else
++# define EXTERNALLY_VISIBLE
++#endif
++
++/* At 4.4 gcc become much more anal about this, need to use "aliased" types */
++#if __GNUC_PREREQ(4,4)
++# define FIX_ALIASING __attribute__((__may_alias__))
++#else
++# define FIX_ALIASING
++#endif
++
++/* We use __extension__ in some places to suppress -pedantic warnings
++ about GCC extensions. This feature didn't work properly before
++ gcc 2.8. */
++#if !__GNUC_PREREQ(2,8)
++# ifndef __extension__
++# define __extension__
++# endif
++#endif
++
++/* gcc-2.95 had no va_copy but only __va_copy. */
++#if !__GNUC_PREREQ(3,0)
++# include <stdarg.h>
++# if !defined va_copy && defined __va_copy
++# define va_copy(d,s) __va_copy((d),(s))
++# endif
++#endif
++
++/* FAST_FUNC is a qualifier which (possibly) makes function call faster
++ * and/or smaller by using modified ABI. It is usually only needed
++ * on non-static, busybox internal functions. Recent versions of gcc
++ * optimize statics automatically. FAST_FUNC on static is required
++ * only if you need to match a function pointer's type */
++#if __GNUC_PREREQ(3,0) && defined(i386) /* || defined(__x86_64__)? */
++/* stdcall makes callee to pop arguments from stack, not caller */
++# define FAST_FUNC __attribute__((regparm(3),stdcall))
++/* #elif ... - add your favorite arch today! */
++#else
++# define FAST_FUNC
++#endif
++
++/* Make all declarations hidden (-fvisibility flag only affects definitions) */
++/* (don't include system headers after this until corresponding pop!) */
++#if __GNUC_PREREQ(4,1)
++# define PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN _Pragma("GCC visibility push(hidden)")
++# define POP_SAVED_FUNCTION_VISIBILITY _Pragma("GCC visibility pop")
++#else
++# define PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
++# define POP_SAVED_FUNCTION_VISIBILITY
++#endif
++
++/* ---- Endian Detection ------------------------------------ */
++
++#if defined(__digital__) && defined(__unix__)
++# include <sex.h>
++# define __BIG_ENDIAN__ (BYTE_ORDER == BIG_ENDIAN)
++# define __BYTE_ORDER BYTE_ORDER
++#elif defined __FreeBSD__
++# include <sys/resource.h> /* rlimit */
++# include <machine/endian.h>
++# define bswap_64 __bswap64
++# define bswap_32 __bswap32
++# define bswap_16 __bswap16
++# define __BIG_ENDIAN__ (_BYTE_ORDER == _BIG_ENDIAN)
++#elif !defined __APPLE__
++# include <byteswap.h>
++# include <endian.h>
++#endif
++
++#if defined(__BIG_ENDIAN__) && __BIG_ENDIAN__
++# define BB_BIG_ENDIAN 1
++# define BB_LITTLE_ENDIAN 0
++#elif defined(__BYTE_ORDER) && __BYTE_ORDER == __BIG_ENDIAN
++# define BB_BIG_ENDIAN 1
++# define BB_LITTLE_ENDIAN 0
++#elif (defined(__BYTE_ORDER) && __BYTE_ORDER == __LITTLE_ENDIAN) || defined(__386__)
++# define BB_BIG_ENDIAN 0
++# define BB_LITTLE_ENDIAN 1
++#else
++# error "Can't determine endianness"
++#endif
++
++/* SWAP_LEnn means "convert CPU<->little_endian by swapping bytes" */
++#if BB_BIG_ENDIAN
++# define SWAP_BE16(x) (x)
++# define SWAP_BE32(x) (x)
++# define SWAP_BE64(x) (x)
++# define SWAP_LE16(x) bswap_16(x)
++# define SWAP_LE32(x) bswap_32(x)
++# define SWAP_LE64(x) bswap_64(x)
++#else
++# define SWAP_BE16(x) bswap_16(x)
++# define SWAP_BE32(x) bswap_32(x)
++# define SWAP_BE64(x) bswap_64(x)
++# define SWAP_LE16(x) (x)
++# define SWAP_LE32(x) (x)
++# define SWAP_LE64(x) (x)
++#endif
++
++/* ---- Unaligned access ------------------------------------ */
++
++/* NB: unaligned parameter should be a pointer, aligned one -
++ * a lvalue. This makes it more likely to not swap them by mistake
++ */
++#if defined(i386) || defined(__x86_64__) || defined(__powerpc__)
++# include <stdint.h>
++typedef int bb__aliased_int FIX_ALIASING;
++typedef uint16_t bb__aliased_uint16_t FIX_ALIASING;
++typedef uint32_t bb__aliased_uint32_t FIX_ALIASING;
++# define move_from_unaligned_int(v, intp) ((v) = *(bb__aliased_int*)(intp))
++# define move_from_unaligned16(v, u16p) ((v) = *(bb__aliased_uint16_t*)(u16p))
++# define move_from_unaligned32(v, u32p) ((v) = *(bb__aliased_uint32_t*)(u32p))
++# define move_to_unaligned16(u16p, v) (*(bb__aliased_uint16_t*)(u16p) = (v))
++# define move_to_unaligned32(u32p, v) (*(bb__aliased_uint32_t*)(u32p) = (v))
++/* #elif ... - add your favorite arch today! */
++#else
++/* performs reasonably well (gcc usually inlines memcpy here) */
++# define move_from_unaligned_int(v, intp) (memcpy(&(v), (intp), sizeof(int)))
++# define move_from_unaligned16(v, u16p) (memcpy(&(v), (u16p), 2))
++# define move_from_unaligned32(v, u32p) (memcpy(&(v), (u32p), 4))
++# define move_to_unaligned16(u16p, v) do { \
++ uint16_t __t = (v); \
++ memcpy((u16p), &__t, 4); \
++} while (0)
++# define move_to_unaligned32(u32p, v) do { \
++ uint32_t __t = (v); \
++ memcpy((u32p), &__t, 4); \
++} while (0)
++#endif
++
++/* ---- Compiler dependent settings ------------------------- */
++
++#if (defined __digital__ && defined __unix__) \
++ || defined __APPLE__ || defined __FreeBSD__
++# undef HAVE_MNTENT_H
++# undef HAVE_SYS_STATFS_H
++#else
++# define HAVE_MNTENT_H 1
++# define HAVE_SYS_STATFS_H 1
++#endif
++
++/*----- Kernel versioning ------------------------------------*/
++
++#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
++
++/* ---- Miscellaneous --------------------------------------- */
++
++#if defined(__GNU_LIBRARY__) && __GNU_LIBRARY__ < 5 && \
++ !defined(__dietlibc__) && \
++ !defined(_NEWLIB_VERSION) && \
++ !(defined __digital__ && defined __unix__)
++# error "Sorry, this libc version is not supported :("
++#endif
++
++/* Don't perpetuate e2fsck crap into the headers. Clean up e2fsck instead. */
++
++#if defined __GLIBC__ || defined __UCLIBC__ \
++ || defined __dietlibc__ || defined _NEWLIB_VERSION
++# include <features.h>
++#endif
++
++/* Size-saving "small" ints (arch-dependent) */
++#if defined(i386) || defined(__x86_64__) || defined(__mips__) || defined(__cris__)
++/* add other arches which benefit from this... */
++typedef signed char smallint;
++typedef unsigned char smalluint;
++#else
++/* for arches where byte accesses generate larger code: */
++typedef int smallint;
++typedef unsigned smalluint;
++#endif
++
++/* ISO C Standard: 7.16 Boolean type and values <stdbool.h> */
++#if (defined __digital__ && defined __unix__)
++/* old system without (proper) C99 support */
++# define bool smalluint
++#else
++/* modern system, so use it */
++# include <stdbool.h>
++#endif
++
++/* Try to defeat gcc's alignment of "char message[]"-like data */
++#if 1 /* if needed: !defined(arch1) && !defined(arch2) */
++# define ALIGN1 __attribute__((aligned(1)))
++# define ALIGN2 __attribute__((aligned(2)))
++# define ALIGN4 __attribute__((aligned(4)))
++#else
++/* Arches which MUST have 2 or 4 byte alignment for everything are here */
++# define ALIGN1
++# define ALIGN2
++# define ALIGN4
++#endif
++
++
++/* uclibc does not implement daemon() for no-mmu systems.
++ * For 0.9.29 and svn, __ARCH_USE_MMU__ indicates no-mmu reliably.
++ * For earlier versions there is no reliable way to check if we are building
++ * for a mmu-less system.
++ */
++#if ENABLE_NOMMU || \
++ (defined __UCLIBC__ && __UCLIBC_MAJOR__ >= 0 && __UCLIBC_MINOR__ >= 9 && \
++ __UCLIBC_SUBLEVEL__ > 28 && !defined __ARCH_USE_MMU__)
++# define BB_MMU 0
++# define USE_FOR_NOMMU(...) __VA_ARGS__
++# define USE_FOR_MMU(...)
++#else
++# define BB_MMU 1
++# define USE_FOR_NOMMU(...)
++# define USE_FOR_MMU(...) __VA_ARGS__
++#endif
++
++/* Don't use lchown with glibc older than 2.1.x */
++#if defined(__GLIBC__) && __GLIBC__ <= 2 && __GLIBC_MINOR__ < 1
++# define lchown chown
++#endif
++
++#if defined(__digital__) && defined(__unix__)
++
++# include <standards.h>
++# include <inttypes.h>
++# define PRIu32 "u"
++/* use legacy setpgrp(pid_t,pid_t) for now. move to platform.c */
++# define bb_setpgrp() do { pid_t __me = getpid(); setpgrp(__me, __me); } while (0)
++# if !defined ADJ_OFFSET_SINGLESHOT && defined MOD_CLKA && defined MOD_OFFSET
++# define ADJ_OFFSET_SINGLESHOT (MOD_CLKA | MOD_OFFSET)
++# endif
++# if !defined ADJ_FREQUENCY && defined MOD_FREQUENCY
++# define ADJ_FREQUENCY MOD_FREQUENCY
++# endif
++# if !defined ADJ_TIMECONST && defined MOD_TIMECONST
++# define ADJ_TIMECONST MOD_TIMECONST
++# endif
++# if !defined ADJ_TICK && defined MOD_CLKB
++# define ADJ_TICK MOD_CLKB
++# endif
++
++#else
++
++# define bb_setpgrp() setpgrp()
++
++#endif
++
++#if defined(__GLIBC__)
++# define fdprintf dprintf
++#endif
++
++#if defined(__dietlibc__)
++# undef HAVE_STRCHRNUL
++#endif
++
++#if defined(__WATCOMC__)
++# undef HAVE_FDPRINTF
++# undef HAVE_MEMRCHR
++# undef HAVE_MKDTEMP
++# undef HAVE_SETBIT
++# undef HAVE_STRCASESTR
++# undef HAVE_STRCHRNUL
++# undef HAVE_STRSEP
++# undef HAVE_STRSIGNAL
++# undef HAVE_VASPRINTF
++#endif
++
++#if defined(__FreeBSD__)
++# undef HAVE_STRCHRNUL
++#endif
++
++/*
++ * Now, define prototypes for all the functions defined in platform.c
++ * These must come after all the HAVE_* macros are defined (or not)
++ */
++
++#ifndef HAVE_FDPRINTF
++extern int fdprintf(int fd, const char *format, ...);
++#endif
++
++#ifndef HAVE_MEMRCHR
++extern void *memrchr(const void *s, int c, size_t n) FAST_FUNC;
++#endif
++
++#ifndef HAVE_MKDTEMP
++extern char *mkdtemp(char *template) FAST_FUNC;
++#endif
++
++#ifndef HAVE_SETBIT
++# define setbit(a, b) ((a)[(b) >> 3] |= 1 << ((b) & 7))
++# define clrbit(a, b) ((a)[(b) >> 3] &= ~(1 << ((b) & 7)))
++#endif
++
++#ifndef HAVE_STRCASESTR
++extern char *strcasestr(const char *s, const char *pattern) FAST_FUNC;
++#endif
++
++#ifndef HAVE_STRCHRNUL
++extern char *strchrnul(const char *s, int c) FAST_FUNC;
++#endif
++
++#ifndef HAVE_STRSEP
++extern char *strsep(char **stringp, const char *delim) FAST_FUNC;
++#endif
++
++#ifndef HAVE_STRSIGNAL
++/* Not exactly the same: instead of "Stopped" it shows "STOP" etc */
++# define strsignal(sig) get_signame(sig)
++#endif
++
++#ifndef HAVE_VASPRINTF
++extern int vasprintf(char **string_ptr, const char *format, va_list p) FAST_FUNC;
++#endif
++
++#endif
diff -Nur busybox-1.17.1.orig/scripts/gen_build_files.sh busybox-1.17.1/scripts/gen_build_files.sh
--- busybox-1.17.1.orig/scripts/gen_build_files.sh 2010-07-25 00:12:56.000000000 +0200
-+++ busybox-1.17.1/scripts/gen_build_files.sh 2010-07-26 13:43:12.000000000 +0200
++++ busybox-1.17.1/scripts/gen_build_files.sh 2010-07-28 20:13:21.000000000 +0200
@@ -48,7 +48,7 @@
fi
@@ -54,3 +2243,103 @@ diff -Nur busybox-1.17.1.orig/scripts/gen_build_files.sh busybox-1.17.1/scripts/
d="${d#./}"
src="$srctree/$d/Kbuild.src"
+diff -Nur busybox-1.17.1.orig/scripts/gen_build_files.sh.orig busybox-1.17.1/scripts/gen_build_files.sh.orig
+--- busybox-1.17.1.orig/scripts/gen_build_files.sh.orig 1970-01-01 01:00:00.000000000 +0100
++++ busybox-1.17.1/scripts/gen_build_files.sh.orig 2010-07-25 00:12:56.000000000 +0200
+@@ -0,0 +1,96 @@
++#!/bin/sh
++
++test $# -ge 2 || { echo "Syntax: $0 SRCTREE OBJTREE"; exit 1; }
++
++# cd to objtree
++cd -- "$2" || { echo "Syntax: $0 SRCTREE OBJTREE"; exit 1; }
++# In separate objtree build, include/ might not exist yet
++mkdir include 2>/dev/null
++
++srctree="$1"
++
++# (Re)generate include/applets.h
++src="$srctree/include/applets.src.h"
++dst="include/applets.h"
++s=`sed -n 's@^//applet:@@p' -- "$srctree"/*/*.c "$srctree"/*/*/*.c`
++old=`cat "$dst" 2>/dev/null`
++# Why "IFS='' read -r REPLY"??
++# This atrocity is needed to read lines without mangling.
++# IFS='' prevents whitespace trimming,
++# -r suppresses backslash handling.
++new=`echo "/* DO NOT EDIT. This file is generated from applets.src.h */"
++while IFS='' read -r REPLY; do
++ test x"$REPLY" = x"INSERT" && REPLY="$s"
++ printf "%s\n" "$REPLY"
++done <"$src"`
++if test x"$new" != x"$old"; then
++ echo " GEN $dst"
++ printf "%s\n" "$new" >"$dst"
++fi
++
++# (Re)generate include/usage.h
++src="$srctree/include/usage.src.h"
++dst="include/usage.h"
++# We add line continuation backslash after each line,
++# and insert empty line before each line which doesn't start
++# with space or tab
++# (note: we need to use \\\\ because of ``)
++s=`sed -n -e 's@^//usage:\([ \t].*\)$@\1 \\\\@p' -e 's@^//usage:\([^ \t].*\)$@\n\1 \\\\@p' -- "$srctree"/*/*.c "$srctree"/*/*/*.c`
++old=`cat "$dst" 2>/dev/null`
++new=`echo "/* DO NOT EDIT. This file is generated from usage.src.h */"
++while IFS='' read -r REPLY; do
++ test x"$REPLY" = x"INSERT" && REPLY="$s"
++ printf "%s\n" "$REPLY"
++done <"$src"`
++if test x"$new" != x"$old"; then
++ echo " GEN $dst"
++ printf "%s\n" "$new" >"$dst"
++fi
++
++# (Re)generate */Kbuild and */Config.in
++{ cd -- "$srctree" && find -type d; } | while read -r d; do
++ d="${d#./}"
++
++ src="$srctree/$d/Kbuild.src"
++ dst="$d/Kbuild"
++ if test -f "$src"; then
++ mkdir -p -- "$d" 2>/dev/null
++ #echo " CHK $dst"
++
++ s=`sed -n 's@^//kbuild:@@p' -- "$srctree/$d"/*.c`
++
++ old=`cat "$dst" 2>/dev/null`
++ new=`echo "# DO NOT EDIT. This file is generated from Kbuild.src"
++ while IFS='' read -r REPLY; do
++ test x"$REPLY" = x"INSERT" && REPLY="$s"
++ printf "%s\n" "$REPLY"
++ done <"$src"`
++ if test x"$new" != x"$old"; then
++ echo " GEN $dst"
++ printf "%s\n" "$new" >"$dst"
++ fi
++ fi
++
++ src="$srctree/$d/Config.src"
++ dst="$d/Config.in"
++ if test -f "$src"; then
++ mkdir -p -- "$d" 2>/dev/null
++ #echo " CHK $dst"
++
++ s=`sed -n 's@^//config:@@p' -- "$srctree/$d"/*.c`
++
++ old=`cat "$dst" 2>/dev/null`
++ new=`echo "# DO NOT EDIT. This file is generated from Config.src"
++ while IFS='' read -r REPLY; do
++ test x"$REPLY" = x"INSERT" && REPLY="$s"
++ printf "%s\n" "$REPLY"
++ done <"$src"`
++ if test x"$new" != x"$old"; then
++ echo " GEN $dst"
++ printf "%s\n" "$new" >"$dst"
++ fi
++ fi
++done
++
++# Last read failed. This is normal. Don't exit with its error code:
++exit 0