path: root/package/busybox/patches/005-bsd-compat.patch

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	2010-07-28 20:13:21.000000000 +0200
@@ -40,6 +40,7 @@
 /* Try to pull in PATH_MAX */
 #include <limits.h>
 #include <sys/param.h>
+#if !(defined __APPLE__ || defined BSD )
 #ifdef HAVE_MNTENT_H
 #include <mntent.h>
 #endif
@@ -52,6 +53,7 @@
 #include <selinux/flask.h>
 #include <selinux/av_permissions.h>
 #endif
+#endif
 #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	2010-07-28 20:14:27.000000000 +0200
@@ -150,18 +150,19 @@
 
 /* ---- Endian Detection ------------------------------------ */
 
+# include <sys/param.h>
 #if defined(__digital__) && defined(__unix__)
 # include <sex.h>
 # define __BIG_ENDIAN__ (BYTE_ORDER == BIG_ENDIAN)
 # define __BYTE_ORDER BYTE_ORDER
-#elif defined __FreeBSD__
+#elif defined __FreeBSD__ || defined __APPLE__
 # 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__
+#elif !defined BSD
 # 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	2010-07-28 20:13:21.000000000 +0200
@@ -48,7 +48,7 @@
 fi
 
 # (Re)generate */Kbuild and */Config.in
-{ cd -- "$srctree" && find -type d; } | while read -r d; do
+{ cd -- "$srctree" && find . -type d; } | while read -r d; do
 	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