* Add ipkg for future development

git-svn-id: http://opkg.googlecode.com/svn/trunk@3 e8e0d7a0-c8d9-11dd-a880-a1081c7ac358

27 files changed, 4373 insertions, 0 deletions

diff --git a/libbb/Makefile.am b/libbb/Makefile.am
new file mode 100644
index 0000000..1f2dd12
--- /dev/null
+++ b/libbb/Makefile.am
@@ -0,0 +1,30 @@
+HOST_CPU=@host_cpu@
+BUILD_CPU=@build_cpu@
+ALL_CFLAGS=-g -O -Wall -DHOST_CPU_STR=\"@host_cpu@\" -DBUILD_CPU=@build_cpu@
+
+noinst_LTLIBRARIES = libbb.la
+
+libbb_la_SOURCES = gz_open.c \
+	libbb.h \
+	unzip.c \
+	wfopen.c \
+	unarchive.c \
+	copy_file.c \
+	copy_file_chunk.c \
+	error_msg.c error_msg_and_die.c \
+	perror_msg.c perror_msg_and_die.c \
+	xreadlink.c \
+	concat_path_file.c \
+	ask_confirmation.c \
+	verror_msg.c vperror_msg.c \
+	xfuncs.c messages.c \
+	last_char_is.c \
+	make_directory.c \
+	safe_strncpy.c \
+	parse_mode.c \
+	time_string.c \
+	all_read.c \
+	mode_string.c
+
+libbb_la_CFLAGS = $(ALL_CFLAGS)
+#libbb_la_LDFLAGS = -static
diff --git a/libbb/Makefile.in b/libbb/Makefile.in
new file mode 100644
index 0000000..29f4a91
--- /dev/null
+++ b/libbb/Makefile.in
@@ -0,0 +1,649 @@
+# Makefile.in generated by automake 1.9.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005  Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+SOURCES = $(libbb_la_SOURCES)
+
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+top_builddir = ..
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+INSTALL = @INSTALL@
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+subdir = libbb
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
+CONFIG_HEADER = $(top_builddir)/config.h
+CONFIG_CLEAN_FILES =
+LTLIBRARIES = $(noinst_LTLIBRARIES)
+libbb_la_LIBADD =
+am_libbb_la_OBJECTS = libbb_la-gz_open.lo libbb_la-unzip.lo \
+	libbb_la-wfopen.lo libbb_la-unarchive.lo libbb_la-copy_file.lo \
+	libbb_la-copy_file_chunk.lo libbb_la-error_msg.lo \
+	libbb_la-error_msg_and_die.lo libbb_la-perror_msg.lo \
+	libbb_la-perror_msg_and_die.lo libbb_la-xreadlink.lo \
+	libbb_la-concat_path_file.lo libbb_la-ask_confirmation.lo \
+	libbb_la-verror_msg.lo libbb_la-vperror_msg.lo \
+	libbb_la-xfuncs.lo libbb_la-messages.lo \
+	libbb_la-last_char_is.lo libbb_la-make_directory.lo \
+	libbb_la-safe_strncpy.lo libbb_la-parse_mode.lo \
+	libbb_la-time_string.lo libbb_la-all_read.lo \
+	libbb_la-mode_string.lo
+libbb_la_OBJECTS = $(am_libbb_la_OBJECTS)
+DEFAULT_INCLUDES = -I. -I$(srcdir) -I$(top_builddir)
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+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) \
+	$(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
+	$(AM_CFLAGS) $(CFLAGS)
+CCLD = $(CC)
+LINK = $(LIBTOOL) --tag=CC --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+	$(AM_LDFLAGS) $(LDFLAGS) -o $@
+SOURCES = $(libbb_la_SOURCES)
+DIST_SOURCES = $(libbb_la_SOURCES)
+ETAGS = etags
+CTAGS = ctags
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
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+AMDEP_FALSE = @AMDEP_FALSE@
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+ECHO_N = @ECHO_N@
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+EGREP = @EGREP@
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+F77 = @F77@
+FFLAGS = @FFLAGS@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+LDFLAGS = @LDFLAGS@
+LIBOBJS = @LIBOBJS@
+LIBS = @LIBS@
+LIBTOOL = @LIBTOOL@
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+LTLIBOBJS = @LTLIBOBJS@
+MAKEINFO = @MAKEINFO@
+OBJEXT = @OBJEXT@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+RANLIB = @RANLIB@
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+STRIP = @STRIP@
+VERSION = @VERSION@
+ac_ct_AR = @ac_ct_AR@
+ac_ct_CC = @ac_ct_CC@
+ac_ct_CXX = @ac_ct_CXX@
+ac_ct_F77 = @ac_ct_F77@
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+am__quote = @am__quote@
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+build = @build@
+build_alias = @build_alias@
+build_cpu = @build_cpu@
+build_os = @build_os@
+build_vendor = @build_vendor@
+datadir = @datadir@
+exec_prefix = @exec_prefix@
+host = @host@
+host_alias = @host_alias@
+host_cpu = @host_cpu@
+host_os = @host_os@
+host_vendor = @host_vendor@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+ipkglibdir = @ipkglibdir@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+HOST_CPU = @host_cpu@
+BUILD_CPU = @build_cpu@
+ALL_CFLAGS = -g -O -Wall -DHOST_CPU_STR=\"@host_cpu@\" -DBUILD_CPU=@build_cpu@
+noinst_LTLIBRARIES = libbb.la
+libbb_la_SOURCES = gz_open.c \
+	libbb.h \
+	unzip.c \
+	wfopen.c \
+	unarchive.c \
+	copy_file.c \
+	copy_file_chunk.c \
+	error_msg.c error_msg_and_die.c \
+	perror_msg.c perror_msg_and_die.c \
+	xreadlink.c \
+	concat_path_file.c \
+	ask_confirmation.c \
+	verror_msg.c vperror_msg.c \
+	xfuncs.c messages.c \
+	last_char_is.c \
+	make_directory.c \
+	safe_strncpy.c \
+	parse_mode.c \
+	time_string.c \
+	all_read.c \
+	mode_string.c
+
+libbb_la_CFLAGS = $(ALL_CFLAGS)
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
+		&& exit 0; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu  libbb/Makefile'; \
+	cd $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu  libbb/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
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+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
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+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+clean-noinstLTLIBRARIES:
+	-test -z "$(noinst_LTLIBRARIES)" || rm -f $(noinst_LTLIBRARIES)
+	@list='$(noinst_LTLIBRARIES)'; for p in $$list; do \
+	  dir="`echo $$p | sed -e 's|/[^/]*$$||'`"; \
+	  test "$$dir" != "$$p" || dir=.; \
+	  echo "rm -f \"$${dir}/so_locations\""; \
+	  rm -f "$${dir}/so_locations"; \
+	done
+libbb.la: $(libbb_la_OBJECTS) $(libbb_la_DEPENDENCIES) 
+	$(LINK)  $(libbb_la_LDFLAGS) $(libbb_la_OBJECTS) $(libbb_la_LIBADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
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+
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+@am__fastdepCC_TRUE@	then mv -f "$(DEPDIR)/libbb_la-unarchive.Tpo" "$(DEPDIR)/libbb_la-unarchive.Plo"; else rm -f "$(DEPDIR)/libbb_la-unarchive.Tpo"; exit 1; fi
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+
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+
+libbb_la-all_read.lo: all_read.c
+@am__fastdepCC_TRUE@	if $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libbb_la_CFLAGS) $(CFLAGS) -MT libbb_la-all_read.lo -MD -MP -MF "$(DEPDIR)/libbb_la-all_read.Tpo" -c -o libbb_la-all_read.lo `test -f 'all_read.c' || echo '$(srcdir)/'`all_read.c; \
+@am__fastdepCC_TRUE@	then mv -f "$(DEPDIR)/libbb_la-all_read.Tpo" "$(DEPDIR)/libbb_la-all_read.Plo"; else rm -f "$(DEPDIR)/libbb_la-all_read.Tpo"; exit 1; fi
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='all_read.c' object='libbb_la-all_read.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libbb_la_CFLAGS) $(CFLAGS) -c -o libbb_la-all_read.lo `test -f 'all_read.c' || echo '$(srcdir)/'`all_read.c
+
+libbb_la-mode_string.lo: mode_string.c
+@am__fastdepCC_TRUE@	if $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libbb_la_CFLAGS) $(CFLAGS) -MT libbb_la-mode_string.lo -MD -MP -MF "$(DEPDIR)/libbb_la-mode_string.Tpo" -c -o libbb_la-mode_string.lo `test -f 'mode_string.c' || echo '$(srcdir)/'`mode_string.c; \
+@am__fastdepCC_TRUE@	then mv -f "$(DEPDIR)/libbb_la-mode_string.Tpo" "$(DEPDIR)/libbb_la-mode_string.Plo"; else rm -f "$(DEPDIR)/libbb_la-mode_string.Tpo"; exit 1; fi
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='mode_string.c' object='libbb_la-mode_string.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libbb_la_CFLAGS) $(CFLAGS) -c -o libbb_la-mode_string.lo `test -f 'mode_string.c' || echo '$(srcdir)/'`mode_string.c
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+distclean-libtool:
+	-rm -f libtool
+uninstall-info-am:
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+	list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '    { files[$$0] = 1; } \
+	       END { for (i in files) print i; }'`; \
+	mkid -fID $$unique
+tags: TAGS
+
+TAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	tags=; \
+	here=`pwd`; \
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '    { files[$$0] = 1; } \
+	       END { for (i in files) print i; }'`; \
+	if test -z "$(ETAGS_ARGS)$$tags$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	    $$tags $$unique; \
+	fi
+ctags: CTAGS
+CTAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	tags=; \
+	here=`pwd`; \
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '    { files[$$0] = 1; } \
+	       END { for (i in files) print i; }'`; \
+	test -z "$(CTAGS_ARGS)$$tags$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$tags $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && cd $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) $$here
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's|.|.|g'`; \
+	list='$(DISTFILES)'; for file in $$list; do \
+	  case $$file in \
+	    $(srcdir)/*) file=`echo "$$file" | sed "s|^$$srcdirstrip/||"`;; \
+	    $(top_srcdir)/*) file=`echo "$$file" | sed "s|^$$topsrcdirstrip/|$(top_builddir)/|"`;; \
+	  esac; \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  dir=`echo "$$file" | sed -e 's,/[^/]*$$,,'`; \
+	  if test "$$dir" != "$$file" && test "$$dir" != "."; then \
+	    dir="/$$dir"; \
+	    $(mkdir_p) "$(distdir)$$dir"; \
+	  else \
+	    dir=''; \
+	  fi; \
+	  if test -d $$d/$$file; then \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -pR $(srcdir)/$$file $(distdir)$$dir || exit 1; \
+	    fi; \
+	    cp -pR $$d/$$file $(distdir)$$dir || exit 1; \
+	  else \
+	    test -f $(distdir)/$$file \
+	    || cp -p $$d/$$file $(distdir)/$$file \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LTLIBRARIES)
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \
+	mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-libtool distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-exec-am:
+
+install-info: install-info-am
+
+install-man:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-info-am
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+	clean-libtool clean-noinstLTLIBRARIES ctags distclean \
+	distclean-compile distclean-generic distclean-libtool \
+	distclean-tags distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-exec \
+	install-exec-am install-info install-info-am install-man \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+	pdf pdf-am ps ps-am tags uninstall uninstall-am \
+	uninstall-info-am
+
+#libbb_la_LDFLAGS = -static
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/libbb/all_read.c b/libbb/all_read.c
new file mode 100644
index 0000000..6ec731a
--- /dev/null
+++ b/libbb/all_read.c
@@ -0,0 +1,83 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+#include "libbb.h"
+
+extern void archive_xread_all(int fd , char *buf, size_t count)
+{
+        ssize_t size;
+
+        size = full_read(fd, buf, count);
+        if (size != count) {
+                perror_msg_and_die("Short read");
+        }
+        return;
+}
+
+/*
+ * Read all of the supplied buffer from a file.
+ * This does multiple reads as necessary.
+ * Returns the amount read, or -1 on an error.
+ * A short read is returned on an end of file.
+ */
+ssize_t full_read(int fd, char *buf, int len)
+{
+        ssize_t cc;
+        ssize_t total;
+
+        total = 0;
+
+        while (len > 0) {
+                cc = safe_read(fd, buf, len);
+
+                if (cc < 0)
+                        return cc;      /* read() returns -1 on failure. */
+
+                if (cc == 0)
+                        break;
+
+                buf = ((char *)buf) + cc;
+                total += cc;
+                len -= cc;
+        }
+
+        return total;
+}
+
+
+ssize_t safe_read(int fd, void *buf, size_t count)
+{
+        ssize_t n;
+
+        do {
+                n = read(fd, buf, count);
+        } while (n < 0 && errno == EINTR);
+
+        return n;
+}
+
+
+
+/* END CODE */
+
diff --git a/libbb/ask_confirmation.c b/libbb/ask_confirmation.c
new file mode 100644
index 0000000..d4d943a
--- /dev/null
+++ b/libbb/ask_confirmation.c
@@ -0,0 +1,49 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) many different people.  If you wrote this, please
+ * acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+
+#include <stdio.h>
+#include "libbb.h"
+
+
+int ask_confirmation()
+{
+	int c = '\0';
+	int ret = 0;
+
+	while (c != '\n') {
+		c = getchar();
+		if ( c != '\n' ) {
+			ret = ((c=='y')||(c=='Y')) ? 1 : 0;
+		}
+	}
+	return ret;
+}
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/concat_path_file.c b/libbb/concat_path_file.c
new file mode 100644
index 0000000..e62b99e
--- /dev/null
+++ b/libbb/concat_path_file.c
@@ -0,0 +1,45 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) many different people.  If you wrote this, please
+ * acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+
+/* concatenate path and file name to new allocation buffer,
+ * not addition '/' if path name already have '/'
+*/
+
+#include <string.h>
+#include "libbb.h"
+
+extern char *concat_path_file(const char *path, const char *filename)
+{
+	char *outbuf;
+	char *lc;
+
+	if (!path)
+	    path="";
+	lc = last_char_is(path, '/');
+	while (*filename == '/')
+		filename++;
+	outbuf = xmalloc(strlen(path)+strlen(filename)+1+(lc==NULL));
+	sprintf(outbuf, "%s%s%s", path, (lc==NULL)? "/" : "", filename);
+
+	return outbuf;
+}
diff --git a/libbb/copy_file.c b/libbb/copy_file.c
new file mode 100644
index 0000000..c79fbeb
--- /dev/null
+++ b/libbb/copy_file.c
@@ -0,0 +1,237 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini copy_file implementation for busybox
+ *
+ *
+ * Copyright (C) 2001 by Matt Kraai <kraai@alumni.carnegiemellon.edu>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <utime.h>
+#include <errno.h>
+#include <dirent.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "libbb.h"
+
+int copy_file(const char *source, const char *dest, int flags)
+{
+	struct stat source_stat;
+	struct stat dest_stat;
+	int dest_exists = 1;
+	int status = 0;
+
+	if (((flags & FILEUTILS_PRESERVE_SYMLINKS) &&
+			lstat(source, &source_stat) < 0) ||
+			(!(flags & FILEUTILS_PRESERVE_SYMLINKS) &&
+			 stat(source, &source_stat) < 0)) {
+		perror_msg("%s", source);
+		return -1;
+	}
+
+	if (stat(dest, &dest_stat) < 0) {
+		if (errno != ENOENT) {
+			perror_msg("unable to stat `%s'", dest);
+			return -1;
+		}
+		dest_exists = 0;
+	}
+
+	if (dest_exists && source_stat.st_rdev == dest_stat.st_rdev &&
+			source_stat.st_ino == dest_stat.st_ino) {
+		error_msg("`%s' and `%s' are the same file", source, dest);
+		return -1;
+	}
+
+	if (S_ISDIR(source_stat.st_mode)) {
+		DIR *dp;
+		struct dirent *d;
+		mode_t saved_umask = 0;
+
+		if (!(flags & FILEUTILS_RECUR)) {
+			error_msg("%s: omitting directory", source);
+			return -1;
+		}
+
+		/* Create DEST.  */
+		if (dest_exists) {
+			if (!S_ISDIR(dest_stat.st_mode)) {
+				error_msg("`%s' is not a directory", dest);
+				return -1;
+			}
+		} else {
+			mode_t mode;
+			saved_umask = umask(0);
+
+			mode = source_stat.st_mode;
+			if (!(flags & FILEUTILS_PRESERVE_STATUS))
+				mode = source_stat.st_mode & ~saved_umask;
+			mode |= S_IRWXU;
+
+			if (mkdir(dest, mode) < 0) {
+				umask(saved_umask);
+				perror_msg("cannot create directory `%s'", dest);
+				return -1;
+			}
+
+			umask(saved_umask);
+		}
+
+		/* Recursively copy files in SOURCE.  */
+		if ((dp = opendir(source)) == NULL) {
+			perror_msg("unable to open directory `%s'", source);
+			status = -1;
+			goto end;
+		}
+
+		while ((d = readdir(dp)) != NULL) {
+			char *new_source, *new_dest;
+
+			if (strcmp(d->d_name, ".") == 0 ||
+					strcmp(d->d_name, "..") == 0)
+				continue;
+
+			new_source = concat_path_file(source, d->d_name);
+			new_dest = concat_path_file(dest, d->d_name);
+			if (copy_file(new_source, new_dest, flags) < 0)
+				status = -1;
+			free(new_source);
+			free(new_dest);
+		}
+
+		/* ??? What if an error occurs in readdir?  */
+
+		if (closedir(dp) < 0) {
+			perror_msg("unable to close directory `%s'", source);
+			status = -1;
+		}
+
+		if (!dest_exists &&
+				chmod(dest, source_stat.st_mode & ~saved_umask) < 0) {
+			perror_msg("unable to change permissions of `%s'", dest);
+			status = -1;
+		}
+	} else if (S_ISREG(source_stat.st_mode)) {
+		FILE *sfp, *dfp;
+
+		if (dest_exists) {
+			if (flags & FILEUTILS_INTERACTIVE) {
+				fprintf(stderr, "%s: overwrite `%s'? ", applet_name, dest);
+				if (!ask_confirmation())
+					return 0;
+			}
+
+			if ((dfp = fopen(dest, "w")) == NULL) {
+				if (!(flags & FILEUTILS_FORCE)) {
+					perror_msg("unable to open `%s'", dest);
+					return -1;
+				}
+
+				if (unlink(dest) < 0) {
+					perror_msg("unable to remove `%s'", dest);
+					return -1;
+				}
+
+				dest_exists = 0;
+			}
+		}
+
+		if (!dest_exists) {
+			int fd;
+
+			if ((fd = open(dest, O_WRONLY|O_CREAT, source_stat.st_mode)) < 0 ||
+					(dfp = fdopen(fd, "w")) == NULL) {
+				if (fd >= 0)
+					close(fd);
+				perror_msg("unable to open `%s'", dest);
+				return -1;
+			}
+		}
+
+		if ((sfp = fopen(source, "r")) == NULL) {
+			fclose(dfp);
+			perror_msg("unable to open `%s'", source);
+			status = -1;
+			goto end;
+		}
+
+		if (copy_file_chunk(sfp, dfp, -1) < 0)
+			status = -1;
+
+		if (fclose(dfp) < 0) {
+			perror_msg("unable to close `%s'", dest);
+			status = -1;
+		}
+
+		if (fclose(sfp) < 0) {
+			perror_msg("unable to close `%s'", source);
+			status = -1;
+		}
+	} else if (S_ISBLK(source_stat.st_mode) || S_ISCHR(source_stat.st_mode) ||
+			S_ISSOCK(source_stat.st_mode)) {
+		if (mknod(dest, source_stat.st_mode, source_stat.st_rdev) < 0) {
+			perror_msg("unable to create `%s'", dest);
+			return -1;
+		}
+	} else if (S_ISFIFO(source_stat.st_mode)) {
+		if (mkfifo(dest, source_stat.st_mode) < 0) {
+			perror_msg("cannot create fifo `%s'", dest);
+			return -1;
+		}
+	} else if (S_ISLNK(source_stat.st_mode)) {
+		char *lpath = xreadlink(source);
+		if (symlink(lpath, dest) < 0) {
+			perror_msg("cannot create symlink `%s'", dest);
+			return -1;
+		}
+		free(lpath);
+
+#if (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1)
+		if (flags & FILEUTILS_PRESERVE_STATUS)
+			if (lchown(dest, source_stat.st_uid, source_stat.st_gid) < 0)
+				perror_msg("unable to preserve ownership of `%s'", dest);
+#endif
+		return 0;
+	} else {
+		error_msg("internal error: unrecognized file type");
+		return -1;
+	}
+
+end:
+
+	if (flags & FILEUTILS_PRESERVE_STATUS) {
+		struct utimbuf times;
+
+		times.actime = source_stat.st_atime;
+		times.modtime = source_stat.st_mtime;
+		if (utime(dest, &times) < 0)
+			perror_msg("unable to preserve times of `%s'", dest);
+		if (chown(dest, source_stat.st_uid, source_stat.st_gid) < 0) {
+			source_stat.st_mode &= ~(S_ISUID | S_ISGID);
+			perror_msg("unable to preserve ownership of `%s'", dest);
+		}
+		if (chmod(dest, source_stat.st_mode) < 0)
+			perror_msg("unable to preserve permissions of `%s'", dest);
+	}
+
+	return status;
+}
diff --git a/libbb/copy_file_chunk.c b/libbb/copy_file_chunk.c
new file mode 100644
index 0000000..63d2ab1
--- /dev/null
+++ b/libbb/copy_file_chunk.c
@@ -0,0 +1,70 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) many different people.  If you wrote this, please
+ * acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+
+#include <stdio.h>
+#include <sys/stat.h>
+#include "libbb.h"
+
+/* Copy CHUNKSIZE bytes (or until EOF if CHUNKSIZE equals -1) from SRC_FILE
+ * to DST_FILE.  */
+extern int copy_file_chunk(FILE *src_file, FILE *dst_file, unsigned long long chunksize)
+{
+	size_t nread, nwritten, size;
+	char buffer[BUFSIZ];
+
+	while (chunksize != 0) {
+		if (chunksize > BUFSIZ)
+			size = BUFSIZ;
+		else
+			size = chunksize;
+
+		nread = fread (buffer, 1, size, src_file);
+
+		if (nread != size && ferror (src_file)) {
+			perror_msg ("read");
+			return -1;
+		} else if (nread == 0) {
+			if (chunksize != -1) {
+				error_msg ("Unable to read all data");
+				return -1;
+			}
+
+			return 0;
+		}
+
+		nwritten = fwrite (buffer, 1, nread, dst_file);
+
+		if (nwritten != nread) {
+			if (ferror (dst_file))
+				perror_msg ("write");
+			else
+				error_msg ("Unable to write all data");
+			return -1;
+		}
+
+		if (chunksize != -1)
+			chunksize -= nwritten;
+	}
+
+	return 0;
+}
diff --git a/libbb/error_msg.c b/libbb/error_msg.c
new file mode 100644
index 0000000..58308b6
--- /dev/null
+++ b/libbb/error_msg.c
@@ -0,0 +1,46 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include "libbb.h"
+
+extern void error_msg(const char *s, ...)
+{
+	va_list p;
+
+	va_start(p, s);
+	verror_msg(s, p);
+	va_end(p);
+	putc('\n', stderr);
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/error_msg_and_die.c b/libbb/error_msg_and_die.c
new file mode 100644
index 0000000..67a79c3
--- /dev/null
+++ b/libbb/error_msg_and_die.c
@@ -0,0 +1,47 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include "libbb.h"
+
+extern void error_msg_and_die(const char *s, ...)
+{
+	va_list p;
+
+	va_start(p, s);
+	verror_msg(s, p);
+	va_end(p);
+	putc('\n', stderr);
+	exit(EXIT_FAILURE);
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/gz_open.c b/libbb/gz_open.c
new file mode 100644
index 0000000..dbaf3bb
--- /dev/null
+++ b/libbb/gz_open.c
@@ -0,0 +1,58 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) many different people.  If you wrote this, please
+ * acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include "libbb.h"
+
+extern FILE *gz_open(FILE *compressed_file, int *pid)
+{
+	int unzip_pipe[2];
+
+	if (pipe(unzip_pipe)!=0) {
+		error_msg("pipe error");
+		return(NULL);
+	}
+	if ((*pid = fork()) == -1) {
+		error_msg("fork failed");
+		return(NULL);
+	}
+	if (*pid==0) {
+		/* child process */
+		close(unzip_pipe[0]);
+		unzip(compressed_file, fdopen(unzip_pipe[1], "w"));
+		fflush(NULL);
+		fclose(compressed_file);
+		close(unzip_pipe[1]);
+		exit(EXIT_SUCCESS);
+	}
+	close(unzip_pipe[1]);
+	if (unzip_pipe[0] == -1) {
+		error_msg("gzip stream init failed");
+	}
+	return(fdopen(unzip_pipe[0], "r"));
+}
diff --git a/libbb/last_char_is.c b/libbb/last_char_is.c
new file mode 100644
index 0000000..4e2ee92
--- /dev/null
+++ b/libbb/last_char_is.c
@@ -0,0 +1,40 @@
+/*
+ * busybox library eXtended function
+ *
+ * Copyright (C) 2001 Larry Doolittle, <ldoolitt@recycle.lbl.gov>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <string.h>
+#include "libbb.h"
+
+/* Find out if the last character of a string matches the one given Don't
+ * underrun the buffer if the string length is 0.  Also avoids a possible
+ * space-hogging inline of strlen() per usage.
+ */
+char * last_char_is(const char *s, int c)
+{
+	char *sret;
+	if (!s)
+	    return NULL;
+	sret  = (char *)s+strlen(s)-1;
+	if (sret>=s && *sret == c) { 
+		return sret;
+	} else {
+		return NULL;
+	}
+}
diff --git a/libbb/libbb.h b/libbb/libbb.h
new file mode 100644
index 0000000..c54038d
--- /dev/null
+++ b/libbb/libbb.h
@@ -0,0 +1,352 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Busybox main internal header file
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef	__LIBBB_H__
+#define	__LIBBB_H__    1
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include <netdb.h>
+
+// Include because of single use with ipkg
+#define _BB_INTERNAL_H_
+#define L_archive_offset
+#define L_get_header_ar
+#define L_free_header_tar
+#define L_get_header_tar
+#define L_unarchive
+#define L_seek_sub_file
+#define L_memory_exhausted
+#define L_deb_extract
+#define L_extract_archive
+#define L_parse_mode
+#define L_time_string
+#define L_mode_string
+
+#ifndef _BB_INTERNAL_H_
+#include "../busybox.h"
+#endif
+
+#ifdef DMALLOC
+#include "dmalloc.h"
+#endif
+
+#include <features.h>
+
+#if (__GNU_LIBRARY__ < 5) && (!defined __dietlibc__)
+/* libc5 doesn't define socklen_t */
+typedef unsigned int socklen_t;
+/* libc5 doesn't implement BSD 4.4 daemon() */
+extern int daemon (int nochdir, int noclose);
+/* libc5 doesn't implement strtok_r */
+char *strtok_r(char *s, const char *delim, char **ptrptr);
+#endif	
+
+/* Some useful definitions */
+#define FALSE   ((int) 0)
+#define TRUE    ((int) 1)
+#define SKIP	((int) 2)
+
+/* for mtab.c */
+#define MTAB_GETMOUNTPT '1'
+#define MTAB_GETDEVICE  '2'
+
+#define BUF_SIZE        8192
+#define EXPAND_ALLOC    1024
+
+static inline int is_decimal(int ch) { return ((ch >= '0') && (ch <= '9')); }
+static inline int is_octal(int ch)   { return ((ch >= '0') && (ch <= '7')); }
+
+/* Macros for min/max.  */
+#ifndef MIN
+#define	MIN(a,b) (((a)<(b))?(a):(b))
+#endif
+
+#ifndef MAX
+#define	MAX(a,b) (((a)>(b))?(a):(b))
+#endif
+
+
+
+extern void show_usage(void) __attribute__ ((noreturn));
+extern void error_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
+extern void error_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
+extern void perror_msg(const char *s, ...);
+extern void perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
+extern void vherror_msg(const char *s, va_list p);
+extern void herror_msg(const char *s, ...);
+extern void herror_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
+extern void archive_xread_all(int fd, char *buf, size_t count);
+
+/* These two are used internally -- you shouldn't need to use them */
+extern void verror_msg(const char *s, va_list p);
+extern void vperror_msg(const char *s, va_list p);
+
+const char *mode_string(int mode);
+const char *time_string(time_t timeVal);
+int is_directory(const char *name, int followLinks, struct stat *statBuf);
+int isDevice(const char *name);
+
+int remove_file(const char *path, int flags);
+int copy_file(const char *source, const char *dest, int flags);
+int copy_file_chunk(FILE *src_file, FILE *dst_file, unsigned long long chunksize);
+char *buildName(const char *dirName, const char *fileName);
+int makeString(int argc, const char **argv, char *buf, int bufLen);
+char *getChunk(int size);
+char *chunkstrdup(const char *str);
+void freeChunks(void);
+ssize_t safe_read(int fd, void *buf, size_t count);
+ssize_t full_write(int fd, const char *buf, int len);
+ssize_t full_read(int fd, char *buf, int len);
+int recursive_action(const char *fileName, int recurse, int followLinks, int depthFirst,
+	  int (*fileAction) (const char *fileName, struct stat* statbuf, void* userData),
+	  int (*dirAction) (const char *fileName, struct stat* statbuf, void* userData),
+	  void* userData);
+
+extern int parse_mode( const char* s, mode_t* theMode);
+
+extern int get_kernel_revision(void);
+
+extern int get_console_fd(char* tty_name);
+extern struct mntent *find_mount_point(const char *name, const char *table);
+extern void write_mtab(char* blockDevice, char* directory, 
+	char* filesystemType, long flags, char* string_flags);
+extern void erase_mtab(const char * name);
+extern long atoi_w_units (const char *cp);
+extern long* find_pid_by_name( char* pidName);
+extern char *find_real_root_device_name(const char* name);
+extern char *get_line_from_file(FILE *file);
+extern void print_file(FILE *file);
+extern int copyfd(int fd1, int fd2);
+extern int print_file_by_name(char *filename);
+extern char process_escape_sequence(const char **ptr);
+extern char *get_last_path_component(char *path);
+extern FILE *wfopen(const char *path, const char *mode);
+extern FILE *xfopen(const char *path, const char *mode);
+extern void chomp(char *s);
+extern struct BB_applet *find_applet_by_name(const char *name);
+void run_applet_by_name(const char *name, int argc, char **argv);
+
+#ifndef DMALLOC
+extern void *xmalloc (size_t size);
+extern void *xrealloc(void *old, size_t size);
+extern void *xcalloc(size_t nmemb, size_t size);
+extern char *xstrdup (const char *s);
+#endif
+extern char *xstrndup (const char *s, int n);
+extern char * safe_strncpy(char *dst, const char *src, size_t size);
+
+struct suffix_mult {
+	const char *suffix;
+	int mult;
+};
+
+extern unsigned long parse_number(const char *numstr,
+		const struct suffix_mult *suffixes);
+
+
+/* These parse entries in /etc/passwd and /etc/group.  This is desirable
+ * for BusyBox since we want to avoid using the glibc NSS stuff, which
+ * increases target size and is often not needed embedded systems.  */
+extern long my_getpwnam(const char *name);
+extern long my_getgrnam(const char *name);
+extern void my_getpwuid(char *name, long uid);
+extern void my_getgrgid(char *group, long gid);
+extern long my_getpwnamegid(const char *name);
+
+extern int device_open(char *device, int mode);
+
+extern int del_loop(const char *device);
+extern int set_loop(const char *device, const char *file, int offset, int *loopro);
+extern char *find_unused_loop_device (void);
+
+
+#if (__GLIBC__ < 2)
+extern int vdprintf(int d, const char *format, va_list ap);
+#endif
+
+int nfsmount(const char *spec, const char *node, int *flags,
+	     char **extra_opts, char **mount_opts, int running_bg);
+
+void syslog_msg_with_name(const char *name, int facility, int pri, const char *msg);
+void syslog_msg(int facility, int pri, const char *msg);
+
+/* Include our own copy of struct sysinfo to avoid binary compatability
+ * problems with Linux 2.4, which changed things.  Grumble, grumble. */
+struct sysinfo {
+	long uptime;			/* Seconds since boot */
+	unsigned long loads[3];		/* 1, 5, and 15 minute load averages */
+	unsigned long totalram;		/* Total usable main memory size */
+	unsigned long freeram;		/* Available memory size */
+	unsigned long sharedram;	/* Amount of shared memory */
+	unsigned long bufferram;	/* Memory used by buffers */
+	unsigned long totalswap;	/* Total swap space size */
+	unsigned long freeswap;		/* swap space still available */
+	unsigned short procs;		/* Number of current processes */
+	unsigned short pad;			/* Padding needed for m68k */
+	unsigned long totalhigh;	/* Total high memory size */
+	unsigned long freehigh;		/* Available high memory size */
+	unsigned int mem_unit;		/* Memory unit size in bytes */
+	char _f[20-2*sizeof(long)-sizeof(int)];	/* Padding: libc5 uses this.. */
+};
+extern int sysinfo (struct sysinfo* info);
+
+enum {
+	KILOBYTE = 1024,
+	MEGABYTE = (KILOBYTE*1024),
+	GIGABYTE = (MEGABYTE*1024)
+};
+const char *make_human_readable_str(unsigned long size, unsigned long block_size, unsigned long display_unit);
+
+int ask_confirmation(void);
+int klogctl(int type, char * b, int len);
+
+char *xgetcwd(char *cwd);
+char *xreadlink(const char *path);
+char *concat_path_file(const char *path, const char *filename);
+char *last_char_is(const char *s, int c);
+
+extern long arith (const char *startbuf, int *errcode);
+
+typedef struct file_headers_s {
+	char *name;
+	char *link_name;
+	off_t size;
+	uid_t uid;
+	gid_t gid;
+	mode_t mode;
+	time_t mtime;
+	dev_t device;
+} file_header_t;
+file_header_t *get_header_ar(FILE *in_file);
+void free_header_ar(file_header_t *ar_entry);
+file_header_t *get_header_cpio(FILE *src_stream);
+file_header_t *get_header_tar(FILE *tar_stream);
+void free_header_tar(file_header_t *tar_entry);
+
+enum extract_functions_e {
+	extract_verbose_list = 1,
+	extract_list = 2,
+	extract_one_to_buffer = 4,
+	extract_to_stdout = 8,
+	extract_all_to_fs = 16,
+	extract_preserve_date = 32,
+	extract_data_tar_gz = 64,
+	extract_control_tar_gz = 128,
+	extract_unzip_only = 256,
+	extract_unconditional = 512,
+	extract_create_leading_dirs = 1024,
+	extract_quiet = 2048,
+	extract_exclude_list = 4096
+};
+char *unarchive(FILE *src_stream, FILE *out_stream,
+		file_header_t *(*get_header)(FILE *),
+		void (*free_headers)(file_header_t *),
+		const int extract_function, const char *prefix, char **extract_names);
+char *deb_extract(const char *package_filename, FILE *out_stream, const int extract_function,
+	const char *prefix, const char *filename);
+int read_package_field(const char *package_buffer, char **field_name, char **field_value);
+char *fgets_str(FILE *file, const char *terminating_string);
+
+extern int unzip(FILE *l_in_file, FILE *l_out_file);
+extern void gz_close(int gunzip_pid);
+extern FILE *gz_open(FILE *compressed_file, int *pid);
+
+extern struct hostent *xgethostbyname(const char *name);
+extern int create_icmp_socket(void);
+
+char *dirname (char *path);
+
+int make_directory (const char *path, long mode, int flags);
+
+const char *u_signal_names(const char *str_sig, int *signo, int startnum);
+char *simplify_path(const char *path);
+
+#define CT_AUTO	0
+#define CT_UNIX2DOS	1
+#define CT_DOS2UNIX	2
+/* extern int convert(char *fn, int ConvType); */
+
+enum {
+	FILEUTILS_PRESERVE_STATUS = 1,
+	FILEUTILS_PRESERVE_SYMLINKS = 2,
+	FILEUTILS_RECUR = 4,
+	FILEUTILS_FORCE = 8,
+	FILEUTILS_INTERACTIVE = 16
+};
+
+extern const char *applet_name;
+extern const char * const full_version;
+extern const char * const name_too_long;
+extern const char * const omitting_directory;
+extern const char * const not_a_directory;
+extern const char * const memory_exhausted;
+extern const char * const invalid_date;
+extern const char * const invalid_option;
+extern const char * const io_error;
+extern const char * const dash_dash_help;
+extern const char * const write_error;
+extern const char * const too_few_args;
+extern const char * const name_longer_than_foo;
+extern const char * const unknown;
+extern const char * const can_not_create_raw_socket;
+
+#ifdef BB_FEATURE_DEVFS
+# define CURRENT_VC "/dev/vc/0"
+# define VC_1 "/dev/vc/1"
+# define VC_2 "/dev/vc/2"
+# define VC_3 "/dev/vc/3"
+# define VC_4 "/dev/vc/4"
+# define VC_5 "/dev/vc/5"
+# define SC_0 "/dev/tts/0"
+# define SC_1 "/dev/tts/1"
+# define VC_FORMAT "/dev/vc/%d"
+# define SC_FORMAT "/dev/tts/%d"
+# define LOOP_FORMAT "/dev/loop/%d"
+#else
+# define CURRENT_VC "/dev/tty0"
+# define VC_1 "/dev/tty1"
+# define VC_2 "/dev/tty2"
+# define VC_3 "/dev/tty3"
+# define VC_4 "/dev/tty4"
+# define VC_5 "/dev/tty5"
+# define SC_0 "/dev/ttyS0"
+# define SC_1 "/dev/ttyS1"
+# define VC_FORMAT "/dev/tty%d"
+# define SC_FORMAT "/dev/ttyS%d"
+# define LOOP_FORMAT "/dev/loop%d"
+#endif
+
+/* The following devices are the same on devfs and non-devfs systems.  */
+#define CURRENT_TTY "/dev/tty"
+#define CONSOLE_DEV "/dev/console"
+
+/* Cope with mmu-less systems somewhat gracefully */
+#if defined(__UCLIBC__) && !defined(__ARCH_HAS_MMU__)
+#define fork	vfork
+#endif
+
+/* Stupid gcc always includes its own builtin strlen()... */
+extern size_t xstrlen(const char *string);
+#define strlen(x)	xstrlen(x)
+
+#endif /* __LIBBB_H__ */
diff --git a/libbb/make_directory.c b/libbb/make_directory.c
new file mode 100644
index 0000000..797ce27
--- /dev/null
+++ b/libbb/make_directory.c
@@ -0,0 +1,71 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini make_directory implementation for busybox
+ *
+ * Copyright (C) 2001  Matt Kraai.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#include "libbb.h"
+
+/* Create the directory PATH with mode MODE, or the default if MODE is -1.
+ * Also create parent directories as necessary if flags contains
+ * FILEUTILS_RECUR.  */
+
+int make_directory (const char *path, long mode, int flags)
+{
+	if (!(flags & FILEUTILS_RECUR)) {
+		if (mkdir (path, 0777) < 0) {
+			perror_msg ("Cannot create directory `%s'", path);
+			return -1;
+		}
+
+		if (mode != -1 && chmod (path, mode) < 0) {
+			perror_msg ("Cannot set permissions of directory `%s'", path);
+			return -1;
+		}
+	} else {
+		struct stat st;
+
+		if (stat (path, &st) < 0 && errno == ENOENT) {
+			int status;
+			char *buf, *parent;
+			mode_t mask;
+
+			mask = umask (0);
+			umask (mask);
+
+			buf = xstrdup (path);
+			parent = dirname (buf);
+			status = make_directory (parent, (0777 & ~mask) | 0300,
+					FILEUTILS_RECUR);
+			free (buf);
+
+			if (status < 0 || make_directory (path, mode, 0) < 0)
+				return -1;
+		}
+	}
+
+	return 0;
+}
diff --git a/libbb/messages.c b/libbb/messages.c
new file mode 100644
index 0000000..47b5526
--- /dev/null
+++ b/libbb/messages.c
@@ -0,0 +1,67 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Copyright (C) 1999,2000 by Lineo, inc. and Erik Andersen
+ * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "libbb.h"
+
+#ifdef L_full_version
+	const char * const full_version = BB_BANNER " multi-call binary";
+#endif
+#ifdef L_name_too_long
+	const char * const name_too_long = "file name too long";
+#endif
+
+#ifdef L_omitting_directory
+	const char * const omitting_directory = "%s: omitting directory";
+#endif
+#ifdef L_not_a_directory
+	const char * const not_a_directory = "%s: not a directory";
+#endif
+#ifdef L_memory_exhausted
+	const char * const memory_exhausted = "memory exhausted";
+#endif
+#ifdef L_invalid_date
+	const char * const invalid_date = "invalid date `%s'";
+#endif
+#ifdef L_invalid_option
+	const char * const invalid_option = "invalid option -- %c";
+#endif
+#ifdef L_io_error
+	const char * const io_error = "%s: input/output error -- %s";
+#endif
+#ifdef L_dash_dash_help
+	const char * const dash_dash_help = "--help";
+#endif
+#ifdef L_write_error
+	const char * const write_error = "Write Error";
+#endif
+#ifdef L_too_few_args
+	const char * const too_few_args = "too few arguments";
+#endif
+#ifdef L_name_longer_than_foo
+	const char * const name_longer_than_foo = "Names longer than %d chars not supported.";
+#endif
+#ifdef L_unknown
+	const char * const unknown = "(unknown)";
+#endif
+
+#ifdef L_can_not_create_raw_socket
+	const char * const can_not_create_raw_socket = "can`t create raw socket";
+#endif
diff --git a/libbb/mode_string.c b/libbb/mode_string.c
new file mode 100644
index 0000000..12dc179
--- /dev/null
+++ b/libbb/mode_string.c
@@ -0,0 +1,78 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) many different people.  If you wrote this, please
+ * acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+
+#include <stdio.h>
+#include "libbb.h"
+
+
+
+#define TYPEINDEX(mode) (((mode) >> 12) & 0x0f)
+#define TYPECHAR(mode)  ("0pcCd?bB-?l?s???" [TYPEINDEX(mode)])
+
+/* The special bits. If set, display SMODE0/1 instead of MODE0/1 */
+static const mode_t SBIT[] = {
+	0, 0, S_ISUID,
+	0, 0, S_ISGID,
+	0, 0, S_ISVTX
+};
+
+/* The 9 mode bits to test */
+static const mode_t MBIT[] = {
+	S_IRUSR, S_IWUSR, S_IXUSR,
+	S_IRGRP, S_IWGRP, S_IXGRP,
+	S_IROTH, S_IWOTH, S_IXOTH
+};
+
+static const char MODE1[]  = "rwxrwxrwx";
+static const char MODE0[]  = "---------";
+static const char SMODE1[] = "..s..s..t";
+static const char SMODE0[] = "..S..S..T";
+
+/*
+ * Return the standard ls-like mode string from a file mode.
+ * This is static and so is overwritten on each call.
+ */
+const char *mode_string(int mode)
+{
+	static char buf[12];
+
+	int i;
+
+	buf[0] = TYPECHAR(mode);
+	for (i = 0; i < 9; i++) {
+		if (mode & SBIT[i])
+			buf[i + 1] = (mode & MBIT[i]) ? SMODE1[i] : SMODE0[i];
+		else
+			buf[i + 1] = (mode & MBIT[i]) ? MODE1[i] : MODE0[i];
+	}
+	return buf;
+}
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/parse_mode.c b/libbb/parse_mode.c
new file mode 100644
index 0000000..ba34ea9
--- /dev/null
+++ b/libbb/parse_mode.c
@@ -0,0 +1,134 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) many different people.  If you wrote this, please
+ * acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "libbb.h"
+
+
+/* This function parses the sort of string you might pass
+ * to chmod (i.e., [ugoa]{+|-|=}[rwxst] ) and returns the
+ * correct mode described by the string. */
+extern int parse_mode(const char *s, mode_t * theMode)
+{
+	static const mode_t group_set[] = { 
+		S_ISUID | S_IRWXU,		/* u */
+		S_ISGID | S_IRWXG,		/* g */
+		S_IRWXO,				/* o */
+		S_ISUID | S_ISGID | S_ISVTX | S_IRWXU | S_IRWXG | S_IRWXO /* a */
+	};
+
+	static const mode_t mode_set[] = {
+		S_IRUSR | S_IRGRP | S_IROTH, /* r */
+		S_IWUSR | S_IWGRP | S_IWOTH, /* w */
+		S_IXUSR | S_IXGRP | S_IXOTH, /* x */
+		S_ISUID | S_ISGID,		/* s */
+		S_ISVTX					/* t */
+	};
+
+	static const char group_chars[] = "ugoa";
+	static const char mode_chars[] = "rwxst";
+
+	const char *p;
+
+	mode_t andMode =
+		S_ISVTX | S_ISUID | S_ISGID | S_IRWXU | S_IRWXG | S_IRWXO;
+	mode_t orMode = 0;
+	mode_t mode;
+	mode_t groups;
+	char type;
+	char c;
+
+	if (s==NULL) {
+		return (FALSE);
+	}
+
+	do {
+		mode = 0;
+		groups = 0;
+	NEXT_GROUP:
+		if ((c = *s++) == '\0') {
+			return -1;
+		}
+		for (p=group_chars ; *p ; p++) {
+			if (*p == c) {
+				groups |= group_set[(int)(p-group_chars)];
+				goto NEXT_GROUP;
+			}
+		}
+		switch (c) {
+			case '=':
+			case '+':
+			case '-':
+				type = c;
+				if (groups == 0) { /* The default is "all" */
+					groups |= S_ISUID | S_ISGID | S_ISVTX
+							| S_IRWXU | S_IRWXG | S_IRWXO;
+				}
+				break;
+			default:
+				if ((c < '0') || (c > '7') || (mode | groups)) {
+					return (FALSE);
+				} else {
+					*theMode = strtol(--s, NULL, 8);
+					return (TRUE);
+				}
+		}
+
+	NEXT_MODE:
+		if (((c = *s++) != '\0') && (c != ',')) {
+			for (p=mode_chars ; *p ; p++) {
+				if (*p == c) {
+					mode |= mode_set[(int)(p-mode_chars)];
+					goto NEXT_MODE;
+				}
+			}
+			break;				/* We're done so break out of loop.*/
+		}
+		switch (type) {
+			case '=':
+				andMode &= ~(groups); /* Now fall through. */
+			case '+':
+				orMode |= mode & groups;
+				break;
+			case '-':
+				andMode &= ~(mode & groups);
+				orMode &= ~(mode & groups);
+				break;
+		}
+	} while (c == ',');
+
+	*theMode &= andMode;
+	*theMode |= orMode;
+
+	return TRUE;
+}
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/perror_msg.c b/libbb/perror_msg.c
new file mode 100644
index 0000000..8c57b0d
--- /dev/null
+++ b/libbb/perror_msg.c
@@ -0,0 +1,45 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include "libbb.h"
+
+extern void perror_msg(const char *s, ...)
+{
+	va_list p;
+
+	va_start(p, s);
+	vperror_msg(s, p);
+	va_end(p);
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/perror_msg_and_die.c b/libbb/perror_msg_and_die.c
new file mode 100644
index 0000000..9004925
--- /dev/null
+++ b/libbb/perror_msg_and_die.c
@@ -0,0 +1,46 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include "libbb.h"
+
+extern void perror_msg_and_die(const char *s, ...)
+{
+	va_list p;
+
+	va_start(p, s);
+	vperror_msg(s, p);
+	va_end(p);
+	exit(EXIT_FAILURE);
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/safe_strncpy.c b/libbb/safe_strncpy.c
new file mode 100644
index 0000000..0c5cf12
--- /dev/null
+++ b/libbb/safe_strncpy.c
@@ -0,0 +1,42 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <string.h>
+#include "libbb.h"
+
+
+
+/* Like strncpy but make sure the resulting string is always 0 terminated. */  
+extern char * safe_strncpy(char *dst, const char *src, size_t size)
+{   
+	dst[size-1] = '\0';
+	return strncpy(dst, src, size-1);   
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/time_string.c b/libbb/time_string.c
new file mode 100644
index 0000000..d103a02
--- /dev/null
+++ b/libbb/time_string.c
@@ -0,0 +1,62 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+#include <utime.h>
+#include "libbb.h"
+
+
+/*
+ * Return the standard ls-like time string from a time_t
+ * This is static and so is overwritten on each call.
+ */
+const char *time_string(time_t timeVal)
+{
+	time_t now;
+	char *str;
+	static char buf[26];
+
+	time(&now);
+
+	str = ctime(&timeVal);
+
+	strcpy(buf, &str[4]);
+	buf[12] = '\0';
+
+	if ((timeVal > now) || (timeVal < now - 365 * 24 * 60 * 60L)) {
+		strcpy(&buf[7], &str[20]);
+		buf[11] = '\0';
+	}
+
+	return buf;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/unarchive.c b/libbb/unarchive.c
new file mode 100644
index 0000000..0946ded
--- /dev/null
+++ b/libbb/unarchive.c
@@ -0,0 +1,811 @@
+/*
+ *  Copyright (C) 2000 by Glenn McGrath
+ *  Copyright (C) 2001 by Laurence Anderson
+ *	
+ *  Based on previous work by busybox developers and others.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <utime.h>
+#include "libbb.h"
+
+#define CONFIG_FEATURE_TAR_OLDGNU_COMPATABILITY 1
+#define CONFIG_FEATURE_TAR_GNU_EXTENSIONS
+
+#ifdef CONFIG_FEATURE_TAR_GNU_EXTENSIONS
+static char *longname = NULL;
+static char *linkname = NULL;
+#endif
+
+extern void seek_sub_file(FILE *src_stream, const int count);
+extern char *extract_archive(FILE *src_stream, FILE *out_stream, const file_header_t *file_entry,
+                              const int function, const char *prefix);
+
+
+#ifdef L_archive_offset
+off_t archive_offset;
+#else
+extern off_t archive_offset;
+#endif	
+
+#ifdef L_seek_sub_file
+void seek_sub_file(FILE *src_stream, const int count)
+{
+	int i;
+	/* Try to fseek as faster */
+	archive_offset += count;
+	if (fseek(src_stream, count, SEEK_CUR) != 0 && errno == ESPIPE) {
+	for (i = 0; i < count; i++) {
+		fgetc(src_stream);
+		}
+	}
+	return;
+}
+#endif	
+
+
+
+#ifdef L_extract_archive
+/* Extract the data postioned at src_stream to either filesystem, stdout or 
+ * buffer depending on the value of 'function' which is defined in libbb.h 
+ *
+ * prefix doesnt have to be just a directory, it may prefix the filename as well.
+ *
+ * e.g. '/var/lib/dpkg/info/dpkg.' will extract all files to the base bath 
+ * '/var/lib/dpkg/info/' and all files/dirs created in that dir will have 
+ * 'dpkg.' as their prefix
+ *
+ * For this reason if prefix does point to a dir then it must end with a
+ * trailing '/' or else the last dir will be assumed to be the file prefix 
+ */
+char *extract_archive(FILE *src_stream, FILE *out_stream, const file_header_t *file_entry,
+ const int function, const char *prefix)
+{
+	FILE *dst_stream = NULL;
+	char *full_name = NULL;
+	char *full_link_name = NULL;
+	char *buffer = NULL;
+	struct utimbuf t;
+        int res;
+
+
+	/* prefix doesnt have to be a proper path it may prepend 
+	 * the filename as well */
+	if (prefix != NULL) {
+		/* strip leading '/' in filename to extract as prefix may not be dir */
+		/* Cant use concat_path_file here as prefix might not be a directory */
+		char *path = file_entry->name;
+		if (strncmp("./", path, 2) == 0) {
+			path += 2;
+			if (strlen(path) == 0) {
+				return(NULL);
+			}
+		}
+		full_name = xmalloc(strlen(prefix) + strlen(path) + 1);
+		strcpy(full_name, prefix);
+		strcat(full_name, path);
+                if ( file_entry->link_name ){
+		   full_link_name = xmalloc(strlen(prefix) + strlen(file_entry->link_name) + 1);
+		   strcpy(full_link_name, prefix);
+		   strcat(full_link_name, file_entry->link_name);
+                }
+	} else {
+		full_name = strdup(file_entry->name);
+                if ( file_entry->link_name )
+		   full_link_name = strdup(file_entry->link_name);
+	}
+
+
+	if (function & extract_to_stdout) {
+		if (S_ISREG(file_entry->mode)) {
+			copy_file_chunk(src_stream, out_stream, file_entry->size);			
+			archive_offset += file_entry->size;
+		}
+	}
+	else if (function & extract_one_to_buffer) { 
+		if (S_ISREG(file_entry->mode)) {
+			buffer = (char *) xmalloc(file_entry->size + 1);
+			fread(buffer, 1, file_entry->size, src_stream);
+			buffer[file_entry->size] = '\0';
+			archive_offset += file_entry->size;
+			return(buffer);
+		}
+	}
+	else if (function & extract_all_to_fs) {
+		struct stat oldfile;
+		int stat_res;
+		stat_res = lstat (full_name, &oldfile);
+		if (stat_res == 0) { /* The file already exists */
+			if ((function & extract_unconditional) || (oldfile.st_mtime < file_entry->mtime)) {
+				if (!S_ISDIR(oldfile.st_mode)) {
+					unlink(full_name); /* Directories might not be empty etc */
+				}
+			} else {
+				if ((function & extract_quiet) != extract_quiet) {
+					error_msg("%s not created: newer or same age file exists", file_entry->name);
+				}
+				seek_sub_file(src_stream, file_entry->size);
+				return (NULL);
+			}
+		}
+		if (function & extract_create_leading_dirs) { /* Create leading directories with default umask */
+			char *buf, *parent;
+			buf = xstrdup(full_name);
+			parent = dirname(buf);
+			if (make_directory (parent, -1, FILEUTILS_RECUR) != 0) {
+				if ((function & extract_quiet) != extract_quiet) {
+					error_msg("couldn't create leading directories");
+				}
+			}
+			free (buf);
+		}
+		switch(file_entry->mode & S_IFMT) {
+			case S_IFREG:
+				if (file_entry->link_name) { /* Found a cpio hard link */
+					if (link(full_link_name, full_name) != 0) {
+						if ((function & extract_quiet) != extract_quiet) {
+							perror_msg("Cannot link from %s to '%s'",
+								file_entry->name, file_entry->link_name);
+						}
+					}
+				} else {
+					if ((dst_stream = wfopen(full_name, "w")) == NULL) {
+						seek_sub_file(src_stream, file_entry->size);
+						return NULL;
+					}
+					archive_offset += file_entry->size;
+					copy_file_chunk(src_stream, dst_stream, file_entry->size);			
+					fclose(dst_stream);
+				}
+				break;
+			case S_IFDIR:
+				if (stat_res != 0) {
+					if (mkdir(full_name, file_entry->mode) < 0) {
+						if ((function & extract_quiet) != extract_quiet) {
+							perror_msg("extract_archive: %s", full_name);
+						}
+					}
+				}
+				break;
+			case S_IFLNK:
+				if (symlink(file_entry->link_name, full_name) < 0) {
+					if ((function & extract_quiet) != extract_quiet) {
+						perror_msg("Cannot create symlink from %s to '%s'", file_entry->name, file_entry->link_name);
+					}
+					return NULL;
+				}
+				break;
+			case S_IFSOCK:
+			case S_IFBLK:
+			case S_IFCHR:
+			case S_IFIFO:
+				if (mknod(full_name, file_entry->mode, file_entry->device) == -1) {
+					if ((function & extract_quiet) != extract_quiet) {
+						perror_msg("Cannot create node %s", file_entry->name);
+					}
+					return NULL;
+				}
+				break;
+                         default:
+                            perror_msg("Don't know how to handle %s", full_name);
+
+		}
+
+		/* Changing a symlink's properties normally changes the properties of the 
+		 * file pointed to, so dont try and change the date or mode, lchown does
+		 * does the right thing, but isnt available in older versions of libc */
+		if (S_ISLNK(file_entry->mode)) {
+#if (__GLIBC__ > 2) && (__GLIBC_MINOR__ > 1)
+			lchown(full_name, file_entry->uid, file_entry->gid);
+#endif
+		} else {
+			if (function & extract_preserve_date) {
+				t.actime = file_entry->mtime;
+				t.modtime = file_entry->mtime;
+				utime(full_name, &t);
+			}
+			chown(full_name, file_entry->uid, file_entry->gid);
+			chmod(full_name, file_entry->mode);
+		}
+	} else {
+		/* If we arent extracting data we have to skip it, 
+		 * if data size is 0 then then just do it anyway
+		 * (saves testing for it) */
+		seek_sub_file(src_stream, file_entry->size);
+	}
+
+	/* extract_list and extract_verbose_list can be used in conjunction
+	 * with one of the above four extraction functions, so do this seperately */
+	if (function & extract_verbose_list) {
+		fprintf(out_stream, "%s %d/%d %8d %s ", mode_string(file_entry->mode), 
+			file_entry->uid, file_entry->gid,
+			(int) file_entry->size, time_string(file_entry->mtime));
+	}
+	if ((function & extract_list) || (function & extract_verbose_list)){
+		/* fputs doesnt add a trailing \n, so use fprintf */
+		fprintf(out_stream, "%s\n", file_entry->name);
+	}
+
+	free(full_name);
+        if ( full_link_name )
+	    free(full_link_name);
+
+	return(NULL); /* Maybe we should say if failed */
+}
+#endif
+
+#ifdef L_unarchive
+char *unarchive(FILE *src_stream, FILE *out_stream,
+		file_header_t *(*get_headers)(FILE *),
+		void (*free_headers)(file_header_t *),
+		const int extract_function, const char *prefix, char **extract_names)
+{
+	file_header_t *file_entry;
+	int extract_flag;
+	int i;
+	char *buffer = NULL;
+
+	archive_offset = 0;
+	while ((file_entry = get_headers(src_stream)) != NULL) {
+		extract_flag = TRUE;
+		/* fprintf(stderr, __FUNCTION__ " getting headers\n"); */
+		if (extract_names != NULL) {
+			int found_flag = FALSE;
+			for(i = 0; extract_names[i] != 0; i++) {
+				if (strcmp(extract_names[i], file_entry->name) == 0) {
+					found_flag = TRUE;
+					break;
+				}
+			}
+			if (extract_function & extract_exclude_list) {
+				if (found_flag == TRUE) {
+					extract_flag = FALSE;
+				}
+			} else {
+				/* If its not found in the include list dont extract it */
+				if (found_flag == FALSE) {
+					extract_flag = FALSE;
+				}
+			}
+
+		}
+
+		if (extract_flag == TRUE) {
+			/* fprintf(stderr, __FUNCTION__ " extract?\n"); */
+			buffer = extract_archive(src_stream, out_stream, file_entry, extract_function, prefix);
+			/* fprintf(stderr, __FUNCTION__ " extracted\n"); */
+		} else {
+			/* seek past the data entry */
+			seek_sub_file(src_stream, file_entry->size);
+		}
+		free_headers(file_entry);
+	}
+	/*fprintf(stderr, __FUNCTION__ " goin home\n");*/
+	
+	return(buffer);
+}
+#endif
+
+#ifdef L_get_header_ar
+file_header_t *get_header_ar(FILE *src_stream)
+{
+	file_header_t *typed;
+	union {
+		char raw[60];
+	 	struct {
+ 			char name[16];
+ 			char date[12];
+ 			char uid[6];
+ 			char gid[6];
+ 			char mode[8];
+ 			char size[10];
+ 			char magic[2];
+ 		} formated;
+	} ar;
+	static char *ar_long_names;
+
+	if (fread(ar.raw, 1, 60, src_stream) != 60) {
+		return(NULL);
+	}
+	archive_offset += 60;
+	/* align the headers based on the header magic */
+	if ((ar.formated.magic[0] != '`') || (ar.formated.magic[1] != '\n')) {
+		/* some version of ar, have an extra '\n' after each data entry,
+		 * this puts the next header out by 1 */
+		if (ar.formated.magic[1] != '`') {
+			error_msg("Invalid magic");
+			return(NULL);
+		}
+		/* read the next char out of what would be the data section,
+		 * if its a '\n' then it is a valid header offset by 1*/
+		archive_offset++;
+		if (fgetc(src_stream) != '\n') {
+			error_msg("Invalid magic");
+			return(NULL);
+		}
+		/* fix up the header, we started reading 1 byte too early */
+		/* raw_header[60] wont be '\n' as it should, but it doesnt matter */
+		memmove(ar.raw, &ar.raw[1], 59);
+	}
+		
+	typed = (file_header_t *) xcalloc(1, sizeof(file_header_t));
+
+	typed->size = (size_t) atoi(ar.formated.size);
+	/* long filenames have '/' as the first character */
+	if (ar.formated.name[0] == '/') {
+		if (ar.formated.name[1] == '/') {
+			/* If the second char is a '/' then this entries data section
+			 * stores long filename for multiple entries, they are stored
+			 * in static variable long_names for use in future entries */
+			ar_long_names = (char *) xrealloc(ar_long_names, typed->size);
+			fread(ar_long_names, 1, typed->size, src_stream);
+			archive_offset += typed->size;
+			/* This ar entries data section only contained filenames for other records
+			 * they are stored in the static ar_long_names for future reference */
+			return (get_header_ar(src_stream)); /* Return next header */
+		} else if (ar.formated.name[1] == ' ') {
+			/* This is the index of symbols in the file for compilers */
+			seek_sub_file(src_stream, typed->size);
+			return (get_header_ar(src_stream)); /* Return next header */
+		} else {
+			/* The number after the '/' indicates the offset in the ar data section
+			(saved in variable long_name) that conatains the real filename */
+			if (!ar_long_names) {
+				error_msg("Cannot resolve long file name");
+				return (NULL);
+			}
+			typed->name = xstrdup(ar_long_names + atoi(&ar.formated.name[1]));
+		}
+	} else {
+		/* short filenames */
+		typed->name = xcalloc(1, 16);
+		strncpy(typed->name, ar.formated.name, 16);
+	}
+	typed->name[strcspn(typed->name, " /")]='\0';
+
+	/* convert the rest of the now valid char header to its typed struct */	
+	parse_mode(ar.formated.mode, &typed->mode);
+	typed->mtime = atoi(ar.formated.date);
+	typed->uid = atoi(ar.formated.uid);
+	typed->gid = atoi(ar.formated.gid);
+
+	return(typed);
+}
+
+void free_header_ar(file_header_t *ar_entry)
+{
+    if (ar_entry == NULL) {
+	return;
+    }
+
+    free(ar_entry->name);
+    free(ar_entry->link_name);
+
+    free(ar_entry);
+}
+#endif
+
+#ifdef L_get_header_cpio
+struct hardlinks {
+	file_header_t *entry;
+	int inode;
+	struct hardlinks *next;
+};
+
+file_header_t *get_header_cpio(FILE *src_stream)
+{
+	file_header_t *cpio_entry = NULL;
+	char cpio_header[110];
+	int namesize;
+ 	char dummy[16];
+ 	int major, minor, nlink, inode;
+ 	static struct hardlinks *saved_hardlinks = NULL;
+ 	static int pending_hardlinks = 0;
+
+
+	if (pending_hardlinks) { /* Deal with any pending hardlinks */
+		struct hardlinks *tmp = saved_hardlinks, *oldtmp = NULL;
+		while (tmp) {
+			if (tmp->entry->link_name) { /* Found a hardlink ready to be extracted */
+				cpio_entry = tmp->entry;
+				if (oldtmp) oldtmp->next = tmp->next; /* Remove item from linked list */
+				else saved_hardlinks = tmp->next;
+				free(tmp);
+				return (cpio_entry);
+			}
+			oldtmp = tmp;
+			tmp = tmp->next;
+		}
+		pending_hardlinks = 0; /* No more pending hardlinks, read next file entry */
+	}
+  
+	/* There can be padding before archive header */
+	seek_sub_file(src_stream, (4 - (archive_offset % 4)) % 4);
+	if (fread(cpio_header, 1, 110, src_stream) == 110) {
+		archive_offset += 110;
+		if (strncmp(cpio_header, "07070", 5) != 0) {
+			error_msg("Unsupported format or invalid magic");
+			return(NULL);
+		}
+		switch (cpio_header[5]) {
+			case '2': /* "crc" header format */
+				/* Doesnt do the crc check yet */
+			case '1': /* "newc" header format */
+				cpio_entry = (file_header_t *) xcalloc(1, sizeof(file_header_t));
+				sscanf(cpio_header, "%6c%8x%8x%8x%8x%8x%8lx%8lx%16c%8x%8x%8x%8c",
+					dummy, &inode, (unsigned int*)&cpio_entry->mode, 
+					(unsigned int*)&cpio_entry->uid, (unsigned int*)&cpio_entry->gid,
+					&nlink, &cpio_entry->mtime, (unsigned long*)&cpio_entry->size,
+					dummy, &major, &minor, &namesize, dummy);
+
+				cpio_entry->name = (char *) xcalloc(1, namesize);
+				fread(cpio_entry->name, 1, namesize, src_stream); /* Read in filename */
+				archive_offset += namesize;
+				/* Skip padding before file contents */
+				seek_sub_file(src_stream, (4 - (archive_offset % 4)) % 4);
+				if (strcmp(cpio_entry->name, "TRAILER!!!") == 0) {
+					printf("%d blocks\n", (int) (archive_offset % 512 ? (archive_offset / 512) + 1 : archive_offset / 512)); /* Always round up */
+					if (saved_hardlinks) { /* Bummer - we still have unresolved hardlinks */
+						struct hardlinks *tmp = saved_hardlinks, *oldtmp = NULL;
+						while (tmp) {
+							error_msg("%s not created: cannot resolve hardlink", tmp->entry->name);
+							oldtmp = tmp;
+							tmp = tmp->next;
+							free (oldtmp->entry->name);
+							free (oldtmp->entry);
+							free (oldtmp);
+						}
+						saved_hardlinks = NULL;
+						pending_hardlinks = 0;
+					}
+					return(NULL);
+				}
+
+				if (S_ISLNK(cpio_entry->mode)) {
+					cpio_entry->link_name = (char *) xcalloc(1, cpio_entry->size + 1);
+					fread(cpio_entry->link_name, 1, cpio_entry->size, src_stream);
+					archive_offset += cpio_entry->size;
+					cpio_entry->size = 0; /* Stop possiable seeks in future */
+				}
+				if (nlink > 1 && !S_ISDIR(cpio_entry->mode)) {
+					if (cpio_entry->size == 0) { /* Put file on a linked list for later */
+						struct hardlinks *new = xmalloc(sizeof(struct hardlinks));
+						new->next = saved_hardlinks;
+						new->inode = inode;
+						new->entry = cpio_entry;
+						saved_hardlinks = new;
+					return(get_header_cpio(src_stream)); /* Recurse to next file */
+					} else { /* Found the file with data in */
+						struct hardlinks *tmp = saved_hardlinks;
+						pending_hardlinks = 1;
+						while (tmp) {
+							if (tmp->inode == inode) {
+								tmp->entry->link_name = xstrdup(cpio_entry->name);
+								nlink--;
+							}
+							tmp = tmp->next;
+						}
+						if (nlink > 1) error_msg("error resolving hardlink: did you create the archive with GNU cpio 2.0-2.2?");
+					}
+				}
+				cpio_entry->device = (major << 8) | minor;
+				break;
+			default:
+				error_msg("Unsupported format");
+				return(NULL);
+		}
+		if (ferror(src_stream) || feof(src_stream)) {
+			perror_msg("Stream error");
+			return(NULL);
+		}
+	}
+	return(cpio_entry);
+}
+#endif
+
+#ifdef L_get_header_tar
+file_header_t *get_header_tar(FILE *tar_stream)
+{
+
+	union {
+		unsigned char raw[512];
+		struct {
+			char name[100];		/*   0-99 */
+			char mode[8];		/* 100-107 */
+			char uid[8];		/* 108-115 */
+			char gid[8];		/* 116-123 */
+			char size[12];		/* 124-135 */
+			char mtime[12];		/* 136-147 */
+			char chksum[8];		/* 148-155 */
+			char typeflag;		/* 156-156 */
+			char linkname[100];	/* 157-256 */
+			char magic[6];		/* 257-262 */
+			char version[2];	/* 263-264 */
+			char uname[32];		/* 265-296 */
+			char gname[32];		/* 297-328 */
+			char devmajor[8];	/* 329-336 */
+			char devminor[8];	/* 337-344 */
+			char prefix[155];	/* 345-499 */
+			char padding[12];	/* 500-512 */
+		} formated;
+	} tar;
+	file_header_t *tar_entry = NULL;
+	long i;
+	long sum = 0;
+
+	if (archive_offset % 512 != 0) {
+		seek_sub_file(tar_stream, 512 - (archive_offset % 512));
+	}
+
+	if (fread(tar.raw, 1, 512, tar_stream) != 512) {
+		/* Unfortunatly its common for tar files to have all sorts of
+		 * trailing garbage, fail silently */
+//		error_msg("Couldnt read header");
+		return(NULL);
+	}
+	archive_offset += 512;
+
+	/* Check header has valid magic, unfortunately some tar files
+	 * have empty (0'ed) tar entries at the end, which will
+	 * cause this to fail, so fail silently for now
+	 */
+	if (strncmp(tar.formated.magic, "ustar", 5) != 0) {
+#ifdef CONFIG_FEATURE_TAR_OLDGNU_COMPATABILITY
+		if (strncmp(tar.formated.magic, "\0\0\0\0\0", 5) != 0)
+#endif
+		return(NULL);
+	}
+
+	/* Do checksum on headers */
+	for (i =  0; i < 148 ; i++) {
+		sum += tar.raw[i];
+	}
+	sum += ' ' * 8;
+	for (i =  156; i < 512 ; i++) {
+		sum += tar.raw[i];
+	}
+	if (sum != strtol(tar.formated.chksum, NULL, 8)) {
+		if ( strtol(tar.formated.chksum,NULL,8) != 0 )
+			error_msg("Invalid tar header checksum");
+                return(NULL);
+        }
+
+	/* convert to type'ed variables */
+	tar_entry = xcalloc(1, sizeof(file_header_t));
+
+#ifdef CONFIG_FEATURE_TAR_GNU_EXTENSIONS
+        if (longname) {
+                tar_entry->name = longname;
+                longname = NULL;
+        }
+        else if (linkname) {
+                tar_entry->name = linkname;
+                linkname = NULL;
+        } else
+#endif
+        if (tar.formated.prefix[0] == 0) {
+                tar_entry->name = strdup(tar.formated.name);
+        } else {                                              
+                tar_entry->name = concat_path_file(tar.formated.prefix, tar.formated.name);
+        }
+
+	// tar_entry->name = xstrdup(tar.formated.name);
+
+/*
+	parse_mode(tar.formated.mode, &tar_entry->mode);
+*/
+        tar_entry->mode = 07777 & strtol(tar.formated.mode, NULL, 8);
+
+	tar_entry->uid   = strtol(tar.formated.uid, NULL, 8);
+	tar_entry->gid   = strtol(tar.formated.gid, NULL, 8);
+	tar_entry->size  = strtol(tar.formated.size, NULL, 8);
+	tar_entry->mtime = strtol(tar.formated.mtime, NULL, 8);
+	tar_entry->link_name  = strlen(tar.formated.linkname) ? 
+	    xstrdup(tar.formated.linkname) : NULL;
+	tar_entry->device = (strtol(tar.formated.devmajor, NULL, 8) << 8) +
+		strtol(tar.formated.devminor, NULL, 8);
+
+	/* Fix mode, used by the old format */
+	switch (tar.formated.typeflag) {
+	/* hard links are detected as regular files with 0 size and a link name */
+	case '1':
+		tar_entry->mode |= S_IFREG ;
+		break;
+        case 0:
+        case '0':
+
+# ifdef CONFIG_FEATURE_TAR_OLDGNU_COMPATABILITY
+		if (last_char_is(tar_entry->name, '/')) {
+			tar_entry->mode |= S_IFDIR;
+		} else 
+# endif
+			tar_entry->mode |= S_IFREG;
+		break;
+	case '2':
+		tar_entry->mode |= S_IFLNK;
+		break;
+	case '3':
+		tar_entry->mode |= S_IFCHR;
+		break;
+	case '4':
+		tar_entry->mode |= S_IFBLK;
+		break;
+	case '5':
+		tar_entry->mode |= S_IFDIR;
+		break;
+	case '6':
+		tar_entry->mode |= S_IFIFO;
+		break;
+# ifdef CONFIG_FEATURE_TAR_GNU_EXTENSIONS
+	case 'L': {
+			longname = xmalloc(tar_entry->size + 1);
+                        if(fread(longname, tar_entry->size, 1, tar_stream) != 1)
+                                return NULL;
+			longname[tar_entry->size] = '\0';
+			archive_offset += tar_entry->size;
+
+			return(get_header_tar(tar_stream));
+		}
+	case 'K': {
+			linkname = xmalloc(tar_entry->size + 1);
+                        if(fread(linkname, tar_entry->size, 1, tar_stream) != 1)
+                                return NULL;
+			linkname[tar_entry->size] = '\0';
+			archive_offset += tar_entry->size;
+
+			tar_entry->name = linkname;
+			return(get_header_tar(tar_stream));
+		}
+	case 'D':
+	case 'M':
+	case 'N':
+	case 'S':
+	case 'V':
+		perror_msg("Ignoring GNU extension type %c", tar.formated.typeflag);
+# endif
+        default:
+                perror_msg("Unknown typeflag: 0x%x", tar.formated.typeflag);
+                break;
+
+	}
+
+	return(tar_entry);
+}
+
+void free_header_tar(file_header_t *tar_entry)
+{
+    if (tar_entry == NULL) {
+	return;
+    }
+
+    free(tar_entry->name);
+    free(tar_entry->link_name);
+
+    free(tar_entry);
+}
+
+#endif
+
+#ifdef L_deb_extract
+char *deb_extract(const char *package_filename, FILE *out_stream, 
+		  const int extract_function, const char *prefix, const char *filename)
+{
+	FILE *deb_stream;
+	FILE *uncompressed_stream = NULL;
+	file_header_t *ar_header = NULL;
+	char **file_list = NULL;
+	char *output_buffer = NULL;
+	char *ared_file = NULL;
+	char ar_magic[8];
+	int gunzip_pid;
+
+	if (filename != NULL) {
+		file_list = xmalloc(sizeof(char *) * 2);
+		file_list[0] = xstrdup(filename);
+		file_list[1] = NULL;
+	}
+	
+	if (extract_function & extract_control_tar_gz) {
+		ared_file = xstrdup("control.tar.gz");
+	}
+	else if (extract_function & extract_data_tar_gz) {		
+		ared_file = xstrdup("data.tar.gz");
+	} else {
+                fprintf(stderr, "no file specified to extract -- extract_function=%x\n", extract_function);
+                return NULL;
+        }
+
+	/* open the debian package to be worked on */
+	deb_stream = wfopen(package_filename, "r");
+	if (deb_stream == NULL) {
+		return(NULL);
+	}
+	/* set the buffer size */
+	setvbuf(deb_stream, NULL, _IOFBF, 0x8000);
+
+	/* check ar magic */
+	fread(ar_magic, 1, 8, deb_stream);
+	/*fprintf(stderr, "deb_extract ar_magic=%08x\n", *(long *)ar_magic);*/
+	if (strncmp(ar_magic,"!<arch>",7) == 0) {
+		archive_offset = 8;
+
+		while ((ar_header = get_header_ar(deb_stream)) != NULL) {
+			if (strcmp(ared_file, ar_header->name) == 0) {
+				/* open a stream of decompressed data */
+				uncompressed_stream = gz_open(deb_stream, &gunzip_pid);
+				archive_offset = 0;
+				output_buffer = unarchive(uncompressed_stream, out_stream, get_header_tar, free_header_tar, extract_function, prefix, file_list);
+			}
+			seek_sub_file(deb_stream, ar_header->size);
+		}
+		gz_close(gunzip_pid);
+		fclose(deb_stream);
+		fclose(uncompressed_stream);
+		free(ared_file);
+		return(output_buffer);
+	} else if (strncmp(ar_magic, "\037\213", 2) == 0) {
+		/* it's a gz file, let's assume it's an ipkg */
+		int unzipped_ipkg_pid;
+		FILE *unzipped_ipkg_stream;
+		file_header_t *tar_header;
+		archive_offset = 0;
+		fseek(deb_stream, 0, SEEK_SET);
+		unzipped_ipkg_stream = gz_open(deb_stream, &unzipped_ipkg_pid);
+		
+                /*fprintf(stderr, __FUNCTION__ ": processing ipkg %s -- ared_file=%s\n", package_filename, ared_file);*/
+		/* walk through outer tar file to find ared_file */
+		while ((tar_header = get_header_tar(unzipped_ipkg_stream)) != NULL) {
+                        int name_offset = 0;
+                        if (strncmp(tar_header->name, "./", 2) == 0)
+                                name_offset = 2;
+			if (strcmp(ared_file, tar_header->name+name_offset) == 0) {
+				/* open a stream of decompressed data */
+				uncompressed_stream = gz_open(unzipped_ipkg_stream, &gunzip_pid);
+				archive_offset = 0;
+                                /*fprintf(stderr, __FUNCTION__ ":%d: here -- found file\n", __LINE__);*/
+				output_buffer = unarchive(uncompressed_stream, 
+							  out_stream, 
+							  get_header_tar,
+							  free_header_tar,
+							  extract_function, 
+							  prefix, 
+							  file_list);
+                                /*fprintf(stderr, __FUNCTION__ ":%d: unarchive complete\n", __LINE__);*/
+				free_header_tar(tar_header);
+				gz_close(gunzip_pid);
+				fclose(uncompressed_stream);
+				break;
+			}
+			seek_sub_file(unzipped_ipkg_stream, tar_header->size);
+			free_header_tar(tar_header);
+		}
+		gz_close(unzipped_ipkg_pid);
+		fclose(unzipped_ipkg_stream);
+		fclose(deb_stream);
+		free(ared_file);
+                /*fprintf(stderr, __FUNCTION__ ":%d: done\n", __LINE__);*/
+		return output_buffer; 
+	} else {
+		error_msg_and_die("invalid magic");
+	}
+
+}
+#endif
diff --git a/libbb/unzip.c b/libbb/unzip.c
new file mode 100644
index 0000000..3826316
--- /dev/null
+++ b/libbb/unzip.c
@@ -0,0 +1,1040 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * gunzip implementation for busybox
+ *
+ * Based on GNU gzip v1.2.4 Copyright (C) 1992-1993 Jean-loup Gailly.
+ *
+ * Originally adjusted for busybox by Sven Rudolph <sr1@inf.tu-dresden.de>
+ * based on gzip sources
+ *
+ * Adjusted further by Erik Andersen <andersee@debian.org> to support
+ * files as well as stdin/stdout, and to generally behave itself wrt
+ * command line handling.
+ *
+ * General cleanup to better adhere to the style guide and make use of
+ * standard busybox functions by Glenn McGrath <bug1@optushome.com.au>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ *
+ * gzip (GNU zip) -- compress files with zip algorithm and 'compress' interface
+ * Copyright (C) 1992-1993 Jean-loup Gailly
+ * The unzip code was written and put in the public domain by Mark Adler.
+ * Portions of the lzw code are derived from the public domain 'compress'
+ * written by Spencer Thomas, Joe Orost, James Woods, Jim McKie, Steve Davies,
+ * Ken Turkowski, Dave Mack and Peter Jannesen.
+ *
+ * See the license_msg below and the file COPYING for the software license.
+ * See the file algorithm.doc for the compression algorithms and file formats.
+ */
+
+#if 0
+static char *license_msg[] = {
+	"   Copyright (C) 1992-1993 Jean-loup Gailly",
+	"   This program is free software; you can redistribute it and/or modify",
+	"   it under the terms of the GNU General Public License as published by",
+	"   the Free Software Foundation; either version 2, or (at your option)",
+	"   any later version.",
+	"",
+	"   This program is distributed in the hope that it will be useful,",
+	"   but WITHOUT ANY WARRANTY; without even the implied warranty of",
+	"   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the",
+	"   GNU General Public License for more details.",
+	"",
+	"   You should have received a copy of the GNU General Public License",
+	"   along with this program; if not, write to the Free Software",
+	"   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.",
+	0
+};
+#endif
+
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <string.h>
+#include "libbb.h"
+
+static FILE *in_file, *out_file;
+
+/* these are freed by gz_close */
+static unsigned char *window;
+static unsigned long *crc_table;
+
+static unsigned long crc; /* shift register contents */
+
+/* Return codes from gzip */
+static const int ERROR = 1;
+
+/*
+ * window size--must be a power of two, and
+ *  at least 32K for zip's deflate method 
+ */
+static const int WSIZE = 0x8000;
+
+/* If BMAX needs to be larger than 16, then h and x[] should be ulg. */
+static const int BMAX = 16;		/* maximum bit length of any code (16 for explode) */
+static const int N_MAX = 288;		/* maximum number of codes in any set */
+
+static long bytes_out;		/* number of output bytes */
+static unsigned long outcnt;	/* bytes in output buffer */
+
+static unsigned hufts;		/* track memory usage */
+static unsigned long bb;			/* bit buffer */
+static unsigned bk;		/* bits in bit buffer */
+
+typedef struct huft_s {
+	unsigned char e;		/* number of extra bits or operation */
+	unsigned char b;		/* number of bits in this code or subcode */
+	union {
+		unsigned short n;		/* literal, length base, or distance base */
+		struct huft_s *t;	/* pointer to next level of table */
+	} v;
+} huft_t;
+
+static const unsigned short mask_bits[] = {
+	0x0000,
+	0x0001, 0x0003, 0x0007, 0x000f, 0x001f, 0x003f, 0x007f, 0x00ff,
+	0x01ff, 0x03ff, 0x07ff, 0x0fff, 0x1fff, 0x3fff, 0x7fff, 0xffff
+};
+
+//static int error_number = 0;
+/* ========================================================================
+ * Signal and error handler.
+ */
+ 
+static void abort_gzip()
+{
+	error_msg("gzip aborted\n");
+	exit(ERROR);
+}
+
+static void make_crc_table()
+{
+	unsigned long table_entry;      /* crc shift register */
+	unsigned long poly = 0;      /* polynomial exclusive-or pattern */
+	int i;                /* counter for all possible eight bit values */
+	int k;                /* byte being shifted into crc apparatus */
+
+	/* terms of polynomial defining this crc (except x^32): */
+	static int p[] = {0,1,2,4,5,7,8,10,11,12,16,22,23,26};
+
+	/* initial shift register value */
+	crc = 0xffffffffL;	
+	crc_table = (unsigned long *) malloc(256 * sizeof(unsigned long));
+
+	/* Make exclusive-or pattern from polynomial (0xedb88320) */
+	for (i = 0; i < sizeof(p)/sizeof(int); i++)
+		poly |= 1L << (31 - p[i]);
+
+	/* Compute and print table of CRC's, five per line */
+	for (i = 0; i < 256; i++) {
+		table_entry = i;
+	   /* The idea to initialize the register with the byte instead of
+	     * zero was stolen from Haruhiko Okumura's ar002
+	     */
+		for (k = 8; k; k--) {
+			table_entry = table_entry & 1 ? (table_entry >> 1) ^ poly : table_entry >> 1;
+		}
+		crc_table[i]=table_entry;
+	}
+}
+
+/* ===========================================================================
+ * Write the output window window[0..outcnt-1] and update crc and bytes_out.
+ * (Used for the decompressed data only.)
+ */
+static void flush_window(void)
+{
+	int n;
+
+	if (outcnt == 0)
+		return;
+
+	for (n = 0; n < outcnt; n++) {
+		crc = crc_table[((int) crc ^ (window[n])) & 0xff] ^ (crc >> 8);
+	}
+
+	if (fwrite(window, 1, outcnt, out_file) != outcnt) {
+		error_msg_and_die("Couldnt write");
+	}
+	bytes_out += (unsigned long) outcnt;
+	outcnt = 0;
+}
+
+/*
+ * Free the malloc'ed tables built by huft_build(), which makes a linked
+ * list of the tables it made, with the links in a dummy first entry of
+ * each table. 
+ * t: table to free
+ */
+static int huft_free(huft_t *t)
+{
+	huft_t *p, *q;
+
+	/* Go through linked list, freeing from the malloced (t[-1]) address. */
+	p = t;
+	while (p != (huft_t *) NULL) {
+		q = (--p)->v.t;
+		free((char *) p);
+		p = q;
+	}
+	return 0;
+}
+
+/* Given a list of code lengths and a maximum table size, make a set of
+ * tables to decode that set of codes.  Return zero on success, one if
+ * the given code set is incomplete (the tables are still built in this
+ * case), two if the input is invalid (all zero length codes or an
+ * oversubscribed set of lengths), and three if not enough memory.
+ *
+ * b:	code lengths in bits (all assumed <= BMAX)
+ * n:	number of codes (assumed <= N_MAX)
+ * s:	number of simple-valued codes (0..s-1)
+ * d:	list of base values for non-simple codes
+ * e:	list of extra bits for non-simple codes
+ * t:	result: starting table
+ * m:	maximum lookup bits, returns actual
+ */
+static int huft_build(unsigned int *b, const unsigned int n, const unsigned int s, 
+	const unsigned short *d, const unsigned short *e, huft_t **t, int *m)
+{
+	unsigned a;		/* counter for codes of length k */
+	unsigned c[BMAX + 1];	/* bit length count table */
+	unsigned f;		/* i repeats in table every f entries */
+	int g;			/* maximum code length */
+	int h;			/* table level */
+	register unsigned i;	/* counter, current code */
+	register unsigned j;	/* counter */
+	register int k;		/* number of bits in current code */
+	int l;			/* bits per table (returned in m) */
+	register unsigned *p;		/* pointer into c[], b[], or v[] */
+	register huft_t *q;	/* points to current table */
+	huft_t r;		/* table entry for structure assignment */
+	huft_t *u[BMAX];	/* table stack */
+	unsigned v[N_MAX];	/* values in order of bit length */
+	register int w;		/* bits before this table == (l * h) */
+	unsigned x[BMAX + 1];	/* bit offsets, then code stack */
+	unsigned *xp;		/* pointer into x */
+	int y;			/* number of dummy codes added */
+	unsigned z;		/* number of entries in current table */
+
+	/* Generate counts for each bit length */
+	memset ((void *)(c), 0, sizeof(c));
+	p = b;
+	i = n;
+	do {
+		c[*p]++;	/* assume all entries <= BMAX */
+		p++;		/* Can't combine with above line (Solaris bug) */
+	} while (--i);
+	if (c[0] == n) {	/* null input--all zero length codes */
+		*t = (huft_t *) NULL;
+		*m = 0;
+		return 0;
+	}
+
+	/* Find minimum and maximum length, bound *m by those */
+	l = *m;
+	for (j = 1; j <= BMAX; j++)
+		if (c[j])
+			break;
+	k = j;				/* minimum code length */
+	if ((unsigned) l < j)
+		l = j;
+	for (i = BMAX; i; i--)
+		if (c[i])
+			break;
+	g = i;				/* maximum code length */
+	if ((unsigned) l > i)
+		l = i;
+	*m = l;
+
+	/* Adjust last length count to fill out codes, if needed */
+	for (y = 1 << j; j < i; j++, y <<= 1)
+		if ((y -= c[j]) < 0)
+			return 2;	/* bad input: more codes than bits */
+	if ((y -= c[i]) < 0)
+		return 2;
+	c[i] += y;
+
+	/* Generate starting offsets into the value table for each length */
+	x[1] = j = 0;
+	p = c + 1;
+	xp = x + 2;
+	while (--i) {			/* note that i == g from above */
+		*xp++ = (j += *p++);
+	}
+
+	/* Make a table of values in order of bit lengths */
+	p = b;
+	i = 0;
+	do {
+		if ((j = *p++) != 0)
+			v[x[j]++] = i;
+	} while (++i < n);
+
+	/* Generate the Huffman codes and for each, make the table entries */
+	x[0] = i = 0;			/* first Huffman code is zero */
+	p = v;				/* grab values in bit order */
+	h = -1;				/* no tables yet--level -1 */
+	w = -l;				/* bits decoded == (l * h) */
+	u[0] = (huft_t *) NULL;	/* just to keep compilers happy */
+	q = (huft_t *) NULL;	/* ditto */
+	z = 0;				/* ditto */
+
+	/* go through the bit lengths (k already is bits in shortest code) */
+	for (; k <= g; k++) {
+		a = c[k];
+		while (a--) {
+			/* here i is the Huffman code of length k bits for value *p */
+			/* make tables up to required level */
+			while (k > w + l) {
+				h++;
+				w += l;		/* previous table always l bits */
+
+				/* compute minimum size table less than or equal to l bits */
+				z = (z = g - w) > (unsigned) l ? l : z;	/* upper limit on table size */
+				if ((f = 1 << (j = k - w)) > a + 1) {	/* try a k-w bit table *//* too few codes for k-w bit table */
+					f -= a + 1;	/* deduct codes from patterns left */
+					xp = c + k;
+					while (++j < z) {	/* try smaller tables up to z bits */
+						if ((f <<= 1) <= *++xp)
+							break;	/* enough codes to use up j bits */
+						f -= *xp;	/* else deduct codes from patterns */
+					}
+				}
+				z = 1 << j;		/* table entries for j-bit table */
+
+				/* allocate and link in new table */
+				if ((q = (huft_t *) xmalloc((z + 1) * sizeof(huft_t))) == NULL) {
+					if (h) {
+						huft_free(u[0]);
+					}
+					return 3;	/* not enough memory */
+				}
+				hufts += z + 1;	/* track memory usage */
+				*t = q + 1;		/* link to list for huft_free() */
+				*(t = &(q->v.t)) = NULL;
+				u[h] = ++q;		/* table starts after link */
+
+				/* connect to last table, if there is one */
+				if (h) {
+					x[h] = i;	/* save pattern for backing up */
+					r.b = (unsigned char) l;	/* bits to dump before this table */
+					r.e = (unsigned char) (16 + j);	/* bits in this table */
+					r.v.t = q;	/* pointer to this table */
+					j = i >> (w - l);	/* (get around Turbo C bug) */
+					u[h - 1][j] = r;	/* connect to last table */
+				}
+			}
+
+			/* set up table entry in r */
+			r.b = (unsigned char) (k - w);
+			if (p >= v + n)
+				r.e = 99;		/* out of values--invalid code */
+			else if (*p < s) {
+				r.e = (unsigned char) (*p < 256 ? 16 : 15);	/* 256 is end-of-block code */
+				r.v.n = (unsigned short) (*p);	/* simple code is just the value */
+				p++;			/* one compiler does not like *p++ */
+			} else {
+				r.e = (unsigned char) e[*p - s];	/* non-simple--look up in lists */
+				r.v.n = d[*p++ - s];
+			}
+
+			/* fill code-like entries with r */
+			f = 1 << (k - w);
+			for (j = i >> w; j < z; j += f)
+				q[j] = r;
+
+			/* backwards increment the k-bit code i */
+			for (j = 1 << (k - 1); i & j; j >>= 1)
+				i ^= j;
+			i ^= j;
+
+			/* backup over finished tables */
+			while ((i & ((1 << w) - 1)) != x[h]) {
+				h--;			/* don't need to update q */
+				w -= l;
+			}
+		}
+	}
+	/* Return true (1) if we were given an incomplete table */
+	return y != 0 && g != 1;
+}
+
+/*
+ * inflate (decompress) the codes in a deflated (compressed) block.
+ * Return an error code or zero if it all goes ok.
+ *
+ * tl, td: literal/length and distance decoder tables
+ * bl, bd: number of bits decoded by tl[] and td[]
+ */
+static int inflate_codes(huft_t *tl, huft_t *td, int bl, int bd)
+{
+	register unsigned long e;		/* table entry flag/number of extra bits */
+	unsigned long n, d;				/* length and index for copy */
+	unsigned long w;				/* current window position */
+	huft_t *t;				/* pointer to table entry */
+	unsigned ml, md;			/* masks for bl and bd bits */
+	register unsigned long b;				/* bit buffer */
+	register unsigned k;		/* number of bits in bit buffer */
+
+	/* make local copies of globals */
+	b = bb;					/* initialize bit buffer */
+	k = bk;
+	w = outcnt;				/* initialize window position */
+
+	/* inflate the coded data */
+	ml = mask_bits[bl];			/* precompute masks for speed */
+	md = mask_bits[bd];
+	for (;;) {				/* do until end of block */
+		while (k < (unsigned) bl) {
+			b |= ((unsigned long)fgetc(in_file)) << k;
+			k += 8;
+		}
+		if ((e = (t = tl + ((unsigned) b & ml))->e) > 16)
+		do {
+			if (e == 99) {
+				return 1;
+			}
+			b >>= t->b;
+			k -= t->b;
+			e -= 16;
+			while (k < e) {
+				b |= ((unsigned long)fgetc(in_file)) << k;
+				k += 8;
+			}
+		} while ((e = (t = t->v.t + ((unsigned) b & mask_bits[e]))->e) > 16);
+		b >>= t->b;
+		k -= t->b;
+		if (e == 16) {		/* then it's a literal */
+			window[w++] = (unsigned char) t->v.n;
+			if (w == WSIZE) {
+				outcnt=(w),
+				flush_window();
+				w = 0;
+			}
+		} else {				/* it's an EOB or a length */
+
+			/* exit if end of block */
+			if (e == 15) {
+				break;
+			}
+
+			/* get length of block to copy */
+			while (k < e) {
+				b |= ((unsigned long)fgetc(in_file)) << k;
+				k += 8;
+			}
+			n = t->v.n + ((unsigned) b & mask_bits[e]);
+			b >>= e;
+			k -= e;
+
+			/* decode distance of block to copy */
+			while (k < (unsigned) bd) {
+				b |= ((unsigned long)fgetc(in_file)) << k;
+				k += 8;
+			}
+
+			if ((e = (t = td + ((unsigned) b & md))->e) > 16)
+				do {
+					if (e == 99)
+						return 1;
+					b >>= t->b;
+					k -= t->b;
+					e -= 16;
+					while (k < e) {
+						b |= ((unsigned long)fgetc(in_file)) << k;
+						k += 8;
+					}
+				} while ((e = (t = t->v.t + ((unsigned) b & mask_bits[e]))->e) > 16);
+			b >>= t->b;
+			k -= t->b;
+			while (k < e) {
+				b |= ((unsigned long)fgetc(in_file)) << k;
+				k += 8;
+			}
+			d = w - t->v.n - ((unsigned) b & mask_bits[e]);
+			b >>= e;
+			k -= e;
+
+			/* do the copy */
+			do {
+				n -= (e = (e = WSIZE - ((d &= WSIZE - 1) > w ? d : w)) > n ? n : e);
+#if !defined(NOMEMCPY) && !defined(DEBUG)
+				if (w - d >= e) {	/* (this test assumes unsigned comparison) */
+					memcpy(window + w, window + d, e);
+					w += e;
+					d += e;
+				} else			/* do it slow to avoid memcpy() overlap */
+#endif							/* !NOMEMCPY */
+					do {
+						window[w++] = window[d++];
+					} while (--e);
+				if (w == WSIZE) {
+					outcnt=(w),
+					flush_window();
+					w = 0;
+				}
+			} while (n);
+		}
+	}
+
+	/* restore the globals from the locals */
+	outcnt = w;			/* restore global window pointer */
+	bb = b;				/* restore global bit buffer */
+	bk = k;
+
+	/* done */
+	return 0;
+}
+
+/*
+ * decompress an inflated block
+ * e: last block flag
+ *
+ * GLOBAL VARIABLES: bb, kk,
+ */
+static int inflate_block(int *e)
+{
+	unsigned t;			/* block type */
+	register unsigned long b;			/* bit buffer */
+	register unsigned k;		/* number of bits in bit buffer */
+	static unsigned short cplens[] = {		/* Copy lengths for literal codes 257..285 */
+		3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31,
+		35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0
+	};
+	/* note: see note #13 above about the 258 in this list. */
+	static unsigned short cplext[] = {		/* Extra bits for literal codes 257..285 */
+		0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2,
+		3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0, 99, 99
+	};				/* 99==invalid */
+	static unsigned short cpdist[] = {		/* Copy offsets for distance codes 0..29 */
+		1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
+		257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,
+		8193, 12289, 16385, 24577
+	};
+	static unsigned short cpdext[] = {		/* Extra bits for distance codes */
+		0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6,
+		7, 7, 8, 8, 9, 9, 10, 10, 11, 11,
+		12, 12, 13, 13
+	};
+
+	/* make local bit buffer */
+	b = bb;
+	k = bk;
+
+	/* read in last block bit */
+	while (k < 1) {
+		b |= ((unsigned long)fgetc(in_file)) << k;
+		k += 8;
+	}
+	*e = (int) b & 1;
+	b >>= 1;
+	k -= 1;
+
+	/* read in block type */
+	while (k < 2) {
+		b |= ((unsigned long)fgetc(in_file)) << k;
+		k += 8;
+	}
+	t = (unsigned) b & 3;
+	b >>= 2;
+	k -= 2;
+
+	/* restore the global bit buffer */
+	bb = b;
+	bk = k;
+
+	/* inflate that block type */
+	switch (t) {
+	case 0:	/* Inflate stored */
+		{
+			unsigned long n;			/* number of bytes in block */
+			unsigned long w;			/* current window position */
+			register unsigned long b_stored;			/* bit buffer */
+			register unsigned long k_stored;		/* number of bits in bit buffer */
+
+			/* make local copies of globals */
+			b_stored = bb;				/* initialize bit buffer */
+			k_stored = bk;
+			w = outcnt;			/* initialize window position */
+
+			/* go to byte boundary */
+			n = k_stored & 7;
+			b_stored >>= n;
+			k_stored -= n;
+
+			/* get the length and its complement */
+			while (k_stored < 16) {
+				b_stored |= ((unsigned long)fgetc(in_file)) << k_stored;
+				k_stored += 8;
+			}
+			n = ((unsigned) b_stored & 0xffff);
+			b_stored >>= 16;
+			k_stored -= 16;
+			while (k_stored < 16) {
+				b_stored |= ((unsigned long)fgetc(in_file)) << k_stored;
+				k_stored += 8;
+			}
+			if (n != (unsigned) ((~b_stored) & 0xffff)) {
+				return 1;		/* error in compressed data */
+			}
+			b_stored >>= 16;
+			k_stored -= 16;
+
+			/* read and output the compressed data */
+			while (n--) {
+				while (k_stored < 8) {
+					b_stored |= ((unsigned long)fgetc(in_file)) << k_stored;
+					k_stored += 8;
+				}
+				window[w++] = (unsigned char) b_stored;
+				if (w == (unsigned long)WSIZE) {
+					outcnt=(w),
+					flush_window();
+					w = 0;
+				}
+				b_stored >>= 8;
+				k_stored -= 8;
+			}
+
+			/* restore the globals from the locals */
+			outcnt = w;			/* restore global window pointer */
+			bb = b_stored;				/* restore global bit buffer */
+			bk = k_stored;
+			return 0;
+		}
+	case 1:	/* Inflate fixed 
+			 * decompress an inflated type 1 (fixed Huffman codes) block.  We should
+			 * either replace this with a custom decoder, or at least precompute the
+			 * Huffman tables.
+			 */
+		{
+			int i;					/* temporary variable */
+			huft_t *tl;				/* literal/length code table */
+			huft_t *td;				/* distance code table */
+			int bl;					/* lookup bits for tl */
+			int bd;					/* lookup bits for td */
+			unsigned int l[288];	/* length list for huft_build */
+
+			/* set up literal table */
+			for (i = 0; i < 144; i++) {
+				l[i] = 8;
+			}
+			for (; i < 256; i++) {
+				l[i] = 9;
+			}
+			for (; i < 280; i++) {
+				l[i] = 7;
+			}
+			for (; i < 288; i++) {	/* make a complete, but wrong code set */
+				l[i] = 8;
+			}
+			bl = 7;
+			if ((i = huft_build(l, 288, 257, cplens, cplext, &tl, &bl)) != 0) {
+				return i;
+			}
+
+			/* set up distance table */
+			for (i = 0; i < 30; i++) {	/* make an incomplete code set */
+				l[i] = 5;
+			}
+			bd = 5;
+			if ((i = huft_build(l, 30, 0, cpdist, cpdext, &td, &bd)) > 1) {
+				huft_free(tl);
+				return i;
+			}
+
+			/* decompress until an end-of-block code */
+			if (inflate_codes(tl, td, bl, bd))
+				return 1;
+
+			/* free the decoding tables, return */
+			huft_free(tl);
+			huft_free(td);
+			return 0;
+		}
+	case 2:	/* Inflate dynamic */
+		{
+			/* Tables for deflate from PKZIP's appnote.txt. */
+			static unsigned border[] = {	/* Order of the bit length code lengths */
+				16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15
+			};
+			int dbits = 6;					/* bits in base distance lookup table */
+			int lbits = 9;					/* bits in base literal/length lookup table */
+
+			int i;						/* temporary variables */
+			unsigned j;
+			unsigned l;					/* last length */
+			unsigned m;					/* mask for bit lengths table */
+			unsigned n;					/* number of lengths to get */
+			huft_t *tl;			/* literal/length code table */
+			huft_t *td;			/* distance code table */
+			int bl;						/* lookup bits for tl */
+			int bd;						/* lookup bits for td */
+			unsigned nb;				/* number of bit length codes */
+			unsigned nl;				/* number of literal/length codes */
+			unsigned nd;				/* number of distance codes */
+
+			unsigned ll[286 + 30];		/* literal/length and distance code lengths */
+			register unsigned long b_dynamic;	/* bit buffer */
+			register unsigned k_dynamic;		/* number of bits in bit buffer */
+
+			/* make local bit buffer */
+			b_dynamic = bb;
+			k_dynamic = bk;
+
+			/* read in table lengths */
+			while (k_dynamic < 5) {
+				b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic;
+				k_dynamic += 8;
+			}
+			nl = 257 + ((unsigned) b_dynamic & 0x1f);	/* number of literal/length codes */
+			b_dynamic >>= 5;
+			k_dynamic -= 5;
+			while (k_dynamic < 5) {
+				b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic;
+				k_dynamic += 8;
+			}
+			nd = 1 + ((unsigned) b_dynamic & 0x1f);	/* number of distance codes */
+			b_dynamic >>= 5;
+			k_dynamic -= 5;
+			while (k_dynamic < 4) {
+				b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic;
+				k_dynamic += 8;
+			}
+			nb = 4 + ((unsigned) b_dynamic & 0xf);	/* number of bit length codes */
+			b_dynamic >>= 4;
+			k_dynamic -= 4;
+			if (nl > 286 || nd > 30) {
+				return 1;	/* bad lengths */
+			}
+
+			/* read in bit-length-code lengths */
+			for (j = 0; j < nb; j++) {
+				while (k_dynamic < 3) {
+					b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic;
+					k_dynamic += 8;
+				}
+				ll[border[j]] = (unsigned) b_dynamic & 7;
+				b_dynamic >>= 3;
+				k_dynamic -= 3;
+			}
+			for (; j < 19; j++) {
+				ll[border[j]] = 0;
+			}
+
+			/* build decoding table for trees--single level, 7 bit lookup */
+			bl = 7;
+			if ((i = huft_build(ll, 19, 19, NULL, NULL, &tl, &bl)) != 0) {
+				if (i == 1) {
+					huft_free(tl);
+				}
+				return i;			/* incomplete code set */
+			}
+
+			/* read in literal and distance code lengths */
+			n = nl + nd;
+			m = mask_bits[bl];
+			i = l = 0;
+			while ((unsigned) i < n) {
+				while (k_dynamic < (unsigned) bl) {
+					b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic;
+					k_dynamic += 8;
+				}
+				j = (td = tl + ((unsigned) b_dynamic & m))->b;
+				b_dynamic >>= j;
+				k_dynamic -= j;
+				j = td->v.n;
+				if (j < 16) {			/* length of code in bits (0..15) */
+					ll[i++] = l = j;	/* save last length in l */
+				}
+				else if (j == 16) {		/* repeat last length 3 to 6 times */
+					while (k_dynamic < 2) {
+						b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic;
+						k_dynamic += 8;
+					}
+					j = 3 + ((unsigned) b_dynamic & 3);
+					b_dynamic >>= 2;
+					k_dynamic -= 2;
+					if ((unsigned) i + j > n) {
+						return 1;
+					}
+					while (j--) {
+						ll[i++] = l;
+					}
+				} else if (j == 17) {	/* 3 to 10 zero length codes */
+					while (k_dynamic < 3) {
+						b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic;
+						k_dynamic += 8;
+					}
+					j = 3 + ((unsigned) b_dynamic & 7);
+					b_dynamic >>= 3;
+					k_dynamic -= 3;
+					if ((unsigned) i + j > n) {
+						return 1;
+					}
+					while (j--) {
+						ll[i++] = 0;
+					}
+					l = 0;
+				} else {		/* j == 18: 11 to 138 zero length codes */
+					while (k_dynamic < 7) {
+						b_dynamic |= ((unsigned long)fgetc(in_file)) << k_dynamic;
+						k_dynamic += 8;
+					}
+					j = 11 + ((unsigned) b_dynamic & 0x7f);
+					b_dynamic >>= 7;
+					k_dynamic -= 7;
+					if ((unsigned) i + j > n) {
+						return 1;
+					}
+					while (j--) {
+						ll[i++] = 0;
+					}
+					l = 0;
+				}
+			}
+
+			/* free decoding table for trees */
+			huft_free(tl);
+
+			/* restore the global bit buffer */
+			bb = b_dynamic;
+			bk = k_dynamic;
+
+			/* build the decoding tables for literal/length and distance codes */
+			bl = lbits;
+			if ((i = huft_build(ll, nl, 257, cplens, cplext, &tl, &bl)) != 0) {
+				if (i == 1) {
+					error_msg("Incomplete literal tree");
+					huft_free(tl);
+				}
+				return i;			/* incomplete code set */
+			}
+			bd = dbits;
+			if ((i = huft_build(ll + nl, nd, 0, cpdist, cpdext, &td, &bd)) != 0) {
+				if (i == 1) {
+					error_msg("incomplete distance tree");
+					huft_free(td);
+				}
+				huft_free(tl);
+				return i;			/* incomplete code set */
+			}
+
+			/* decompress until an end-of-block code */
+			if (inflate_codes(tl, td, bl, bd))
+				return 1;
+
+			/* free the decoding tables, return */
+			huft_free(tl);
+			huft_free(td);
+			return 0;
+		}
+	default:
+		/* bad block type */
+		return 2;
+	}
+}
+
+/*
+ * decompress an inflated entry
+ *
+ * GLOBAL VARIABLES: outcnt, bk, bb, hufts, inptr
+ */
+static int inflate()
+{
+	int e;				/* last block flag */
+	int r;				/* result code */
+	unsigned h = 0;		/* maximum struct huft's malloc'ed */
+
+	/* initialize window, bit buffer */
+	outcnt = 0;
+	bk = 0;
+	bb = 0;
+
+	/* decompress until the last block */
+	do {
+		hufts = 0;
+		if ((r = inflate_block(&e)) != 0) {
+			return r;
+		}
+		if (hufts > h) {
+			h = hufts;
+		}
+	} while (!e);
+
+	/* Undo too much lookahead.  The next read will be byte aligned so we
+	 * can discard unused bits in the last meaningful byte.  */
+	while (bk >= 8) {
+		bk -= 8;
+		ungetc((bb << bk), in_file);
+	}
+
+	/* flush out window */
+	flush_window();
+
+	/* return success */
+	return 0;
+}
+
+/* ===========================================================================
+ * Unzip in to out.  This routine works on both gzip and pkzip files.
+ *
+ * IN assertions: the buffer inbuf contains already the beginning of
+ *   the compressed data, from offsets inptr to insize-1 included.
+ *   The magic header has already been checked. The output buffer is cleared.
+ * in, out: input and output file descriptors
+ */
+extern int unzip(FILE *l_in_file, FILE *l_out_file)
+{
+	const int extra_field = 0x04;	/* bit 2 set: extra field present */
+	const int orig_name = 0x08;	/* bit 3 set: original file name present */
+	const int comment = 0x10;	/* bit 4 set: file comment present */
+	unsigned char buf[8];	/* extended local header */
+	unsigned char flags;	/* compression flags */
+	char magic[2];			/* magic header */
+	int method;
+	typedef void (*sig_type) (int);
+	int exit_code=0;	/* program exit code */
+	int i;
+
+	in_file = l_in_file;
+	out_file = l_out_file;
+
+	if (signal(SIGINT, SIG_IGN) != SIG_IGN) {
+		(void) signal(SIGINT, (sig_type) abort_gzip);
+	}
+#ifdef SIGTERM
+//	if (signal(SIGTERM, SIG_IGN) != SIG_IGN) {
+//		(void) signal(SIGTERM, (sig_type) abort_gzip);
+//	}
+#endif
+#ifdef SIGHUP
+	if (signal(SIGHUP, SIG_IGN) != SIG_IGN) {
+		(void) signal(SIGHUP, (sig_type) abort_gzip);
+	}
+#endif
+
+	/* Allocate all global buffers (for DYN_ALLOC option) */
+	window = xmalloc((size_t)(((2L*WSIZE)+1L)*sizeof(unsigned char)));
+	outcnt = 0;
+	bytes_out = 0L;
+
+	magic[0] = fgetc(in_file);
+	magic[1] = fgetc(in_file);
+
+	/* Magic header for gzip files, 1F 8B = \037\213 */
+	if (memcmp(magic, "\037\213", 2) != 0) {
+		error_msg("Invalid gzip magic");
+		return EXIT_FAILURE;
+	}
+
+	method = (int) fgetc(in_file);
+	if (method != 8) {
+		error_msg("unknown method %d -- get newer version of gzip", method);
+		exit_code = 1;
+		return -1;
+	}
+
+	flags = (unsigned char) fgetc(in_file);
+
+	/* Ignore time stamp(4), extra flags(1), OS type(1) */
+	for (i = 0; i < 6; i++)
+		fgetc(in_file);
+
+	if ((flags & extra_field) != 0) {
+		size_t extra;
+		extra = fgetc(in_file);
+		extra += fgetc(in_file) << 8;
+
+		for (i = 0; i < extra; i++)
+			fgetc(in_file);
+	}
+
+	/* Discard original name if any */
+	if ((flags & orig_name) != 0) {
+		while (fgetc(in_file) != 0);	/* null */
+	}
+
+	/* Discard file comment if any */
+	if ((flags & comment) != 0) {
+		while (fgetc(in_file) != 0);	/* null */
+	}
+
+	if (method < 0) {
+		printf("it failed\n");
+		return(exit_code);		/* error message already emitted */
+	}
+
+	make_crc_table();
+
+	/* Decompress */
+	if (method == 8) {
+
+		int res = inflate();
+
+		if (res == 3) {
+			error_msg(memory_exhausted);
+			exit_code = 1;
+		} else if (res != 0) {
+			error_msg("invalid compressed data--format violated");
+			exit_code = 1;
+		}
+
+	} else {
+		error_msg("internal error, invalid method");
+		exit_code = 1;
+	}
+
+	/* Get the crc and original length
+	 * crc32  (see algorithm.doc)
+	 * uncompressed input size modulo 2^32
+	 */
+	fread(buf, 1, 8, in_file);
+
+	/* Validate decompression - crc */
+	if (!exit_code && (unsigned int)((buf[0] | (buf[1] << 8)) |((buf[2] | (buf[3] << 8)) << 16)) != (crc ^ 0xffffffffL)) {
+		error_msg("invalid compressed data--crc error");
+		exit_code = 1;
+	}
+	/* Validate decompression - size */
+	if (!exit_code && ((buf[4] | (buf[5] << 8)) |((buf[6] | (buf[7] << 8)) << 16)) != (unsigned long) bytes_out) {
+		error_msg("invalid compressed data--length error");
+		exit_code = 1;
+	}
+
+	free(window);
+	free(crc_table);
+
+	return exit_code;
+}
+
+/*
+ * This needs access to global variables wondow and crc_table, so its not in its own file.
+ */
+extern void gz_close(int gunzip_pid)
+{
+	if (kill(gunzip_pid, SIGTERM) == -1) {
+		error_msg_and_die("***  Couldnt kill old gunzip process *** aborting");
+	}
+
+	if (waitpid(gunzip_pid, NULL, 0) == -1) {
+		printf("Couldnt wait ?");
+	}
+		free(window);
+		free(crc_table);
+}
diff --git a/libbb/verror_msg.c b/libbb/verror_msg.c
new file mode 100644
index 0000000..21cde20
--- /dev/null
+++ b/libbb/verror_msg.c
@@ -0,0 +1,43 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include "libbb.h"
+
+extern void verror_msg(const char *s, va_list p)
+{
+	fflush(stdout);
+	fprintf(stderr, "%s: ", applet_name);
+	vfprintf(stderr, s, p);
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/vperror_msg.c b/libbb/vperror_msg.c
new file mode 100644
index 0000000..7da5bae
--- /dev/null
+++ b/libbb/vperror_msg.c
@@ -0,0 +1,45 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include "libbb.h"
+
+extern void vperror_msg(const char *s, va_list p)
+{
+	int err=errno;
+	if(s == 0) s = "";
+	verror_msg(s, p);
+	if (*s) s = ": ";
+	fprintf(stderr, "%s%s\n", s, strerror(err));
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/wfopen.c b/libbb/wfopen.c
new file mode 100644
index 0000000..f58ec90
--- /dev/null
+++ b/libbb/wfopen.c
@@ -0,0 +1,44 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include "libbb.h"
+
+FILE *wfopen(const char *path, const char *mode)
+{
+	FILE *fp;
+	if ((fp = fopen(path, mode)) == NULL) {
+		perror_msg("%s", path);
+		errno = 0;
+	}
+	return fp;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/xfuncs.c b/libbb/xfuncs.c
new file mode 100644
index 0000000..ee90e60
--- /dev/null
+++ b/libbb/xfuncs.c
@@ -0,0 +1,102 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "libbb.h"
+
+
+#ifndef DMALLOC
+extern void *xmalloc(size_t size)
+{
+	void *ptr = malloc(size);
+	if (ptr == NULL && size != 0)
+		error_msg_and_die(memory_exhausted);
+	return ptr;
+}
+
+extern void *xrealloc(void *ptr, size_t size)
+{
+	ptr = realloc(ptr, size);
+	if (ptr == NULL && size != 0)
+		error_msg_and_die(memory_exhausted);
+	return ptr;
+}
+
+extern void *xcalloc(size_t nmemb, size_t size)
+{
+	void *ptr = calloc(nmemb, size);
+	if (ptr == NULL && nmemb != 0 && size != 0)
+		error_msg_and_die(memory_exhausted);
+	return ptr;
+}
+
+extern char * xstrdup (const char *s) {
+	char *t;
+
+	if (s == NULL)
+		return NULL;
+
+	t = strdup (s);
+
+	if (t == NULL)
+		error_msg_and_die(memory_exhausted);
+
+	return t;
+}
+#endif
+
+extern char * xstrndup (const char *s, int n) {
+	char *t;
+
+	if (s == NULL)
+		error_msg_and_die("xstrndup bug");
+
+	t = xmalloc(++n);
+	
+	return safe_strncpy(t,s,n);
+}
+
+FILE *xfopen(const char *path, const char *mode)
+{
+	FILE *fp;
+	if ((fp = fopen(path, mode)) == NULL)
+		perror_msg_and_die("%s", path);
+	return fp;
+}
+
+/* Stupid gcc always includes its own builtin strlen()... */
+#undef strlen
+size_t xstrlen(const char *string)
+{
+	return(strlen(string));
+}
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/xreadlink.c b/libbb/xreadlink.c
new file mode 100644
index 0000000..932e487
--- /dev/null
+++ b/libbb/xreadlink.c
@@ -0,0 +1,37 @@
+/*
+ *  xreadlink.c - safe implementation of readlink.
+ *  Returns a NULL on failure...
+ */
+
+#include <stdio.h>
+
+/*
+ * NOTE: This function returns a malloced char* that you will have to free
+ * yourself. You have been warned.
+ */
+
+#include <unistd.h>
+#include "libbb.h"
+
+extern char *xreadlink(const char *path)
+{                       
+	static const int GROWBY = 80; /* how large we will grow strings by */
+
+	char *buf = NULL;   
+	int bufsize = 0, readsize = 0;
+
+	do {
+		buf = xrealloc(buf, bufsize += GROWBY);
+		readsize = readlink(path, buf, bufsize); /* 1st try */
+		if (readsize == -1) {
+		    perror_msg("%s:%s", applet_name, path);
+		    return NULL;
+		}
+	}           
+	while (bufsize < readsize + 1);
+
+	buf[readsize] = '\0';
+
+	return buf;
+}       
+