Merging upstream version 1.9.

Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>

24 files changed, 1511 insertions, 815 deletions

diff --git a/COPYING b/COPYING
index 5b244d5..4432540 100644
--- a/COPYING
+++ b/COPYING
@@ -1,676 +1,676 @@
-

-		    GNU GENERAL PUBLIC LICENSE

-		       Version 3, 29 June 2007

-

- Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>

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-ALL NECESSARY SERVICING, REPAIR OR CORRECTION.

-

-  16. Limitation of Liability.

-

-  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING

-WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS

-THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY

-GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE

-USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF

-DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD

-PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),

-EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF

-SUCH DAMAGES.

-

-  17. Interpretation of Sections 15 and 16.

-

-  If the disclaimer of warranty and limitation of liability provided

-above cannot be given local legal effect according to their terms,

-reviewing courts shall apply local law that most closely approximates

-an absolute waiver of all civil liability in connection with the

-Program, unless a warranty or assumption of liability accompanies a

-copy of the Program in return for a fee.

-

-		     END OF TERMS AND CONDITIONS

-

-	    How to Apply These Terms to Your New Programs

-

-  If you develop a new program, and you want it to be of the greatest

-possible use to the public, the best way to achieve this is to make it

-free software which everyone can redistribute and change under these terms.

-

-  To do so, attach the following notices to the program.  It is safest

-to attach them to the start of each source file to most effectively

-state the exclusion of warranty; and each file should have at least

-the "copyright" line and a pointer to where the full notice is found.

-

-    <one line to give the program's name and a brief idea of what it does.>

-    Copyright (C) <year>  <name of author>

-

-    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 3 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, see <http://www.gnu.org/licenses/>.

-

-Also add information on how to contact you by electronic and paper mail.

-

-  If the program does terminal interaction, make it output a short

-notice like this when it starts in an interactive mode:

-

-    <program>  Copyright (C) <year>  <name of author>

-    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.

-    This is free software, and you are welcome to redistribute it

-    under certain conditions; type `show c' for details.

-

-The hypothetical commands `show w' and `show c' should show the appropriate

-parts of the General Public License.  Of course, your program's commands

-might be different; for a GUI interface, you would use an "about box".

-

-  You should also get your employer (if you work as a programmer) or school,

-if any, to sign a "copyright disclaimer" for the program, if necessary.

-For more information on this, and how to apply and follow the GNU GPL, see

-<http://www.gnu.org/licenses/>.

-

-  The GNU General Public License does not permit incorporating your program

-into proprietary programs.  If your program is a subroutine library, you

-may consider it more useful to permit linking proprietary applications with

-the library.  If this is what you want to do, use the GNU Lesser General

-Public License instead of this License.  But first, please read

-<http://www.gnu.org/philosophy/why-not-lgpl.html>.

-

+
+		    GNU GENERAL PUBLIC LICENSE
+		       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+			    Preamble
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+  A patent license is "discriminatory" if it does not include within
+the scope of its coverage, prohibits the exercise of, or is
+conditioned on the non-exercise of one or more of the rights that are
+specifically granted under this License.  You may not convey a covered
+work if you are a party to an arrangement with a third party that is
+in the business of distributing software, under which you make payment
+to the third party based on the extent of your activity of conveying
+the work, and under which the third party grants, to any of the
+parties who would receive the covered work from you, a discriminatory
+patent license (a) in connection with copies of the covered work
+conveyed by you (or copies made from those copies), or (b) primarily
+for and in connection with specific products or compilations that
+contain the covered work, unless you entered into that arrangement,
+or that patent license was granted, prior to 28 March 2007.
+
+  Nothing in this License shall be construed as excluding or limiting
+any implied license or other defenses to infringement that may
+otherwise be available to you under applicable patent law.
+
+  12. No Surrender of Others' Freedom.
+
+  If conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot convey a
+covered work so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you may
+not convey it at all.  For example, if you agree to terms that obligate you
+to collect a royalty for further conveying from those to whom you convey
+the Program, the only way you could satisfy both those terms and this
+License would be to refrain entirely from conveying the Program.
+
+  13. Use with the GNU Affero General Public License.
+
+  Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
+under version 3 of the GNU Affero General Public License into a single
+combined work, and to convey the resulting work.  The terms of this
+License will continue to apply to the part which is the covered work,
+but the special requirements of the GNU Affero General Public License,
+section 13, concerning interaction through a network will apply to the
+combination as such.
+
+  14. Revised Versions of this License.
+
+  The Free Software Foundation may publish revised and/or new versions of
+the GNU General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+  Each version is given a distinguishing version number.  If the
+Program specifies that a certain numbered version of the GNU General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
+GNU General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+  If the Program specifies that a proxy can decide which future
+versions of the GNU General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+		     END OF TERMS AND CONDITIONS
+
+	    How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    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 3 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, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
+
diff --git a/ChangeLog b/ChangeLog
index 6653235..28d2403 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2010-01-17  Antonio Diaz Diaz  <ant_diaz@teleline.es>
+
+	* Version 1.9 released.
+	* main.cc (main): return at least 1 if closing stdout fails.
+	* Makefile.in: Added "--name" option to help2man invocation.
+	* testsuite/check.sh: Use "test1" instead of "COPYING" for testing.
+
 2009-09-02  Antonio Diaz Diaz  <ant_diaz@teleline.es>
 
 	* Version 1.8 released.
@@ -118,7 +125,7 @@
 	* Version 0.1 released.
 
 
-Copyright (C) 2008, 2009 Antonio Diaz Diaz.
+Copyright (C) 2008, 2009, 2010 Antonio Diaz Diaz.
 
 This file is a collection of facts, and thus it is not copyrightable,
 but just in case, I give you unlimited permission to copy, distribute
diff --git a/INSTALL b/INSTALL
index 0225722..f841b73 100644
--- a/INSTALL
+++ b/INSTALL
@@ -50,7 +50,7 @@ After running `configure', you can run `make' and `make install' as
 explained above.
 
 
-Copyright (C) 2008, 2009 Antonio Diaz Diaz.
+Copyright (C) 2008, 2009, 2010 Antonio Diaz Diaz.
 
 This file is free documentation: you have unlimited permission to copy,
 distribute and modify it.
diff --git a/Makefile.in b/Makefile.in
index 3062c4e..09b0294 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -1,5 +1,5 @@
 
-DISTNAME = $(progname)-$(progversion)
+DISTNAME = $(pkgname)-$(pkgversion)
 INSTALL = install
 INSTALL_PROGRAM = $(INSTALL) -p -m 755
 INSTALL_DATA = $(INSTALL) -p -m 644
@@ -25,10 +25,10 @@ lziprecover : arg_parser.o lziprecover.o
 	$(CXX) $(LDFLAGS) -o lziprecover arg_parser.o lziprecover.o
 
 main.o : main.cc
-	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -DPROGVERSION=\"$(progversion)\" -c -o $@ $<
+	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -DPROGVERSION=\"$(pkgversion)\" -c -o $@ $<
 
 lziprecover.o : lziprecover.cc
-	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -DPROGVERSION=\"$(progversion)\" -c -o $@ $<
+	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -DPROGVERSION=\"$(pkgversion)\" -c -o $@ $<
 
 %.o : %.cc
 	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $<
@@ -42,37 +42,39 @@ lziprecover.o : arg_parser.h lzip.h Makefile
 
 doc : info man
 
-info : $(VPATH)/doc/$(progname).info
+info : $(VPATH)/doc/$(pkgname).info
 
-$(VPATH)/doc/$(progname).info : $(VPATH)/doc/$(progname).texinfo
-	cd $(VPATH)/doc && makeinfo $(progname).texinfo
+$(VPATH)/doc/$(pkgname).info : $(VPATH)/doc/$(pkgname).texinfo
+	cd $(VPATH)/doc && makeinfo $(pkgname).texinfo
 
 man : $(VPATH)/doc/$(progname).1 $(VPATH)/doc/lziprecover.1
 
 $(VPATH)/doc/$(progname).1 : $(progname)
-	help2man -o $(VPATH)/doc/$(progname).1 ./$(progname)
+	help2man -n 'data compressor based on the LZMA algorithm' \
+	  -o $(VPATH)/doc/$(progname).1 ./$(progname)
 
 $(VPATH)/doc/lziprecover.1 : lziprecover
-	help2man -o $(VPATH)/doc/lziprecover.1 --no-info ./lziprecover
+	help2man -n 'recover undamaged members from lzip files' \
+	  -o $(VPATH)/doc/lziprecover.1 --no-info ./lziprecover
 
 Makefile : $(VPATH)/configure $(VPATH)/Makefile.in
 	./config.status
 
-check : all $(VPATH)/testsuite/check.sh
+check : all
 	@$(VPATH)/testsuite/check.sh $(VPATH)/testsuite
 
 install : all install-info install-man
-	if test ! -d $(DESTDIR)$(bindir) ; then $(INSTALL_DIR) $(DESTDIR)$(bindir) ; fi
+	if [ ! -d $(DESTDIR)$(bindir) ] ; then $(INSTALL_DIR) $(DESTDIR)$(bindir) ; fi
 	$(INSTALL_PROGRAM) ./$(progname) $(DESTDIR)$(bindir)/$(progname)
 	$(INSTALL_PROGRAM) ./lziprecover $(DESTDIR)$(bindir)/lziprecover
 
 install-info :
-	if test ! -d $(DESTDIR)$(infodir) ; then $(INSTALL_DIR) $(DESTDIR)$(infodir) ; fi
-	$(INSTALL_DATA) $(VPATH)/doc/$(progname).info $(DESTDIR)$(infodir)/$(progname).info
-	-install-info --info-dir=$(DESTDIR)$(infodir) $(DESTDIR)$(infodir)/$(progname).info
+	if [ ! -d $(DESTDIR)$(infodir) ] ; then $(INSTALL_DIR) $(DESTDIR)$(infodir) ; fi
+	$(INSTALL_DATA) $(VPATH)/doc/$(pkgname).info $(DESTDIR)$(infodir)/$(pkgname).info
+	-install-info --info-dir=$(DESTDIR)$(infodir) $(DESTDIR)$(infodir)/$(pkgname).info
 
 install-man :
-	if test ! -d $(DESTDIR)$(mandir)/man1 ; then $(INSTALL_DIR) $(DESTDIR)$(mandir)/man1 ; fi
+	if [ ! -d $(DESTDIR)$(mandir)/man1 ] ; then $(INSTALL_DIR) $(DESTDIR)$(mandir)/man1 ; fi
 	$(INSTALL_DATA) $(VPATH)/doc/$(progname).1 $(DESTDIR)$(mandir)/man1/$(progname).1
 	$(INSTALL_DATA) $(VPATH)/doc/lziprecover.1 $(DESTDIR)$(mandir)/man1/lziprecover.1
 
@@ -84,14 +86,14 @@ uninstall : uninstall-info uninstall-man
 	-rm -f $(DESTDIR)$(bindir)/lziprecover
 
 uninstall-info :
-	-install-info --info-dir=$(DESTDIR)$(infodir) --remove $(DESTDIR)$(infodir)/$(progname).info
-	-rm -f $(DESTDIR)$(infodir)/$(progname).info
+	-install-info --info-dir=$(DESTDIR)$(infodir) --remove $(DESTDIR)$(infodir)/$(pkgname).info
+	-rm -f $(DESTDIR)$(infodir)/$(pkgname).info
 
 uninstall-man :
 	-rm -f $(DESTDIR)$(mandir)/man1/$(progname).1
 	-rm -f $(DESTDIR)$(mandir)/man1/lziprecover.1
 
-dist :
+dist : doc
 	ln -sf $(VPATH) $(DISTNAME)
 	tar -cvf $(DISTNAME).tar \
 	  $(DISTNAME)/AUTHORS \
@@ -103,11 +105,12 @@ dist :
 	  $(DISTNAME)/README \
 	  $(DISTNAME)/configure \
 	  $(DISTNAME)/doc/$(progname).1 \
-	  $(DISTNAME)/doc/$(progname).info \
-	  $(DISTNAME)/doc/$(progname).texinfo \
+	  $(DISTNAME)/doc/$(pkgname).info \
+	  $(DISTNAME)/doc/$(pkgname).texinfo \
 	  $(DISTNAME)/doc/lziprecover.1 \
-	  $(DISTNAME)/testsuite/COPYING.lz \
 	  $(DISTNAME)/testsuite/check.sh \
+	  $(DISTNAME)/testsuite/test1 \
+	  $(DISTNAME)/testsuite/test1.lz \
 	  $(DISTNAME)/testsuite/unzcrash.cc \
 	  $(DISTNAME)/*.h \
 	  $(DISTNAME)/*.cc
diff --git a/NEWS b/NEWS
index 247e6df..413e340 100644
--- a/NEWS
+++ b/NEWS
@@ -1,8 +1,7 @@
-Changes in version 1.8:
+Changes in version 1.9:
 
-Compression time has been reduced by 4%.
+Lzip now returns at least 1 if closing stdout fails.
 
-Lzdiff and lzgrep have been moved to the new package zutils.
+Lintian warnings in Debian about man pages have been fixed.
 
-Compilation warnings on sistems where uint32_t != unsigned int have been
-fixed.
+The "COPYING" file is no more used as data for testing.
diff --git a/README b/README
index bfeffef..f0d0470 100644
--- a/README
+++ b/README
@@ -56,7 +56,7 @@ similar order-0 entropy coder as its last stage) with segregation of
 contexts according to what the bits are used for.
 
 
-Copyright (C) 2008, 2009 Antonio Diaz Diaz.
+Copyright (C) 2008, 2009, 2010 Antonio Diaz Diaz.
 
 This file is free documentation: you have unlimited permission to copy,
 distribute and modify it.
diff --git a/arg_parser.cc b/arg_parser.cc
index b889e1a..cc9f87d 100644
--- a/arg_parser.cc
+++ b/arg_parser.cc
@@ -1,18 +1,28 @@
-/*  Arg_parser - A POSIX/GNU command line argument parser.
-    Copyright (C) 2006, 2007, 2008, 2009 Antonio Diaz Diaz.
+/*  Arg_parser - A POSIX/GNU command line argument parser. (C++ version)
+    Copyright (C) 2006, 2007, 2008, 2009, 2010 Antonio Diaz Diaz.
 
-    This program is free software: you can redistribute it and/or modify
+    This library 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 3 of the License, or
     (at your option) any later version.
 
-    This program is distributed in the hope that it will be useful,
+    This library 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, see <http://www.gnu.org/licenses/>.
+    along with this library.  If not, see <http://www.gnu.org/licenses/>.
+
+    As a special exception, you may use this file as part of a free
+    software library without restriction.  Specifically, if other files
+    instantiate templates or use macros or inline functions from this
+    file, or you compile this file and link it with other files to
+    produce an executable, this file does not by itself cause the
+    resulting executable to be covered by the GNU General Public
+    License.  This exception does not however invalidate any other
+    reasons why the executable file might be covered by the GNU General
+    Public License.
 */
 
 #include <cstring>
diff --git a/arg_parser.h b/arg_parser.h
index fa6161b..da1cc94 100644
--- a/arg_parser.h
+++ b/arg_parser.h
@@ -1,18 +1,28 @@
-/*  Arg_parser - A POSIX/GNU command line argument parser.
-    Copyright (C) 2006, 2007, 2008, 2009 Antonio Diaz Diaz.
+/*  Arg_parser - A POSIX/GNU command line argument parser. (C++ version)
+    Copyright (C) 2006, 2007, 2008, 2009, 2010 Antonio Diaz Diaz.
 
-    This program is free software: you can redistribute it and/or modify
+    This library 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 3 of the License, or
     (at your option) any later version.
 
-    This program is distributed in the hope that it will be useful,
+    This library 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, see <http://www.gnu.org/licenses/>.
+    along with this library.  If not, see <http://www.gnu.org/licenses/>.
+
+    As a special exception, you may use this file as part of a free
+    software library without restriction.  Specifically, if other files
+    instantiate templates or use macros or inline functions from this
+    file, or you compile this file and link it with other files to
+    produce an executable, this file does not by itself cause the
+    resulting executable to be covered by the GNU General Public
+    License.  This exception does not however invalidate any other
+    reasons why the executable file might be covered by the GNU General
+    Public License.
 */
 
 /*  Arg_parser reads the arguments in `argv' and creates a number of
diff --git a/configure b/configure
index 070f86c..56462e8 100755
--- a/configure
+++ b/configure
@@ -1,17 +1,17 @@
 #! /bin/sh
 # configure script for Lzip - A data compressor based on the LZMA algorithm
-# Copyright (C) 2008, 2009 Antonio Diaz Diaz.
+# Copyright (C) 2008, 2009, 2010 Antonio Diaz Diaz.
 #
 # This configure script is free software: you have unlimited permission
 # to copy, distribute and modify it.
 #
-# Date of this version: 2009-09-02
+# Date of this version: 2010-01-17
 
-invocation_name=$0
 args=
 no_create=
+pkgname=lzip
+pkgversion=1.9
 progname=lzip
-progversion=1.8
 srctrigger=lzip.h
 
 # clear some things potentially inherited from environment.
@@ -25,15 +25,13 @@ datadir='$(prefix)/share'
 infodir='$(datadir)/info'
 mandir='$(datadir)/man'
 sysconfdir='$(prefix)/etc'
-CC=
 CXX=
 CPPFLAGS=
-CFLAGS='-Wall -W -O2'
 CXXFLAGS='-Wall -W -O2'
 LDFLAGS=
 
 # Loop over all args
-while [ x"$1" != x ] ; do
+while [ -n "$1" ] ; do
 
 	# Get the first arg, and shuffle
 	option=$1
@@ -63,16 +61,14 @@ while [ x"$1" != x ] ; do
 		echo "  --infodir=DIR         info files directory [${infodir}]"
 		echo "  --mandir=DIR          man pages directory [${mandir}]"
 		echo "  --sysconfdir=DIR      read-only single-machine data directory [${sysconfdir}]"
-		echo "  CC=COMPILER           C compiler to use [gcc]"
 		echo "  CXX=COMPILER          C++ compiler to use [g++]"
 		echo "  CPPFLAGS=OPTIONS      command line options for the preprocessor [${CPPFLAGS}]"
-		echo "  CFLAGS=OPTIONS        command line options for the C compiler [${CFLAGS}]"
 		echo "  CXXFLAGS=OPTIONS      command line options for the C++ compiler [${CXXFLAGS}]"
 		echo "  LDFLAGS=OPTIONS       command line options for the linker [${LDFLAGS}]"
 		echo
 		exit 0 ;;
 	--version | --ve* | -V)
-		echo "Configure script for ${progname} version ${progversion}"
+		echo "Configure script for ${pkgname} version ${pkgversion}"
 		exit 0 ;;
 	--srcdir* | --sr*)
 		srcdir=`echo ${optarg} | sed -e 's,/$,,'` ;;
@@ -93,10 +89,8 @@ while [ x"$1" != x ] ; do
 	--no-create | --no-c*)
 		no_create=yes ;;
 
-	CC=*)       CC=${optarg} ;;
 	CXX=*)      CXX=${optarg} ;;
 	CPPFLAGS=*) CPPFLAGS=${optarg} ;;
-	CFLAGS=*)   CFLAGS=${optarg} ;;
 	CXXFLAGS=*) CXXFLAGS=${optarg} ;;
 	LDFLAGS=*)  LDFLAGS=${optarg} ;;
 
@@ -109,12 +103,12 @@ done
 
 # Find the source files, if location was not specified.
 srcdirtext=
-if [ x"${srcdir}" = x ] ; then
+if [ -z "${srcdir}" ] ; then
 	srcdirtext="or . or .." ; srcdir=.
 	if [ ! -r ${srcdir}/${srctrigger} ] ; then srcdir=.. ; fi
 	if [ ! -r ${srcdir}/${srctrigger} ] ; then
 		## the sed command below emulates the dirname command
-		srcdir=`echo ${invocation_name} | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
+		srcdir=`echo $0 | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
 	fi
 fi
 
@@ -129,19 +123,8 @@ fi
 # Set srcdir to . if that's what it is.
 if [ "`pwd`" = "`cd ${srcdir} ; pwd`" ] ; then srcdir=. ; fi
 
-# checking whether we are using GNU C.
-if [ x"${CC}" = x ] ; then		# Let the user override the test.
-	if [ -x /bin/gcc ] ||
-	   [ -x /usr/bin/gcc ] ||
-	   [ -x /usr/local/bin/gcc ] ; then
-		CC="gcc"
-	else
-		CC="cc"
-	fi
-fi
-
 # checking whether we are using GNU C++.
-if [ x"${CXX}" = x ] ; then		# Let the user override the test.
+if [ -z "${CXX}" ] ; then		# Let the user override the test.
 	if [ -x /bin/g++ ] ||
 	   [ -x /usr/bin/g++ ] ||
 	   [ -x /usr/local/bin/g++ ] ; then
@@ -152,7 +135,7 @@ if [ x"${CXX}" = x ] ; then		# Let the user override the test.
 fi
 
 echo
-if [ x${no_create} = x ] ; then
+if [ -z ${no_create} ] ; then
 	echo "creating config.status"
 	rm -f config.status
 	cat > config.status << EOF
@@ -163,7 +146,7 @@ if [ x${no_create} = x ] ; then
 # This script is free software: you have unlimited permission
 # to copy, distribute and modify it.
 
-exec /bin/sh ${invocation_name} ${args} --no-create
+exec /bin/sh $0 ${args} --no-create
 EOF
 	chmod +x config.status
 fi
@@ -177,23 +160,22 @@ echo "datadir = ${datadir}"
 echo "infodir = ${infodir}"
 echo "mandir = ${mandir}"
 echo "sysconfdir = ${sysconfdir}"
-echo "CC = ${CC}"
 echo "CXX = ${CXX}"
 echo "CPPFLAGS = ${CPPFLAGS}"
-echo "CFLAGS = ${CFLAGS}"
 echo "CXXFLAGS = ${CXXFLAGS}"
 echo "LDFLAGS = ${LDFLAGS}"
 rm -f Makefile
 cat > Makefile << EOF
 # Makefile for Lzip - A data compressor based on the LZMA algorithm
-# Copyright (C) 2008, 2009 Antonio Diaz Diaz.
+# Copyright (C) 2008, 2009, 2010 Antonio Diaz Diaz.
 # This file was generated automatically by configure. Do not edit.
 #
 # This Makefile is free software: you have unlimited permission
 # to copy, distribute and modify it.
 
+pkgname = ${pkgname}
+pkgversion = ${pkgversion}
 progname = ${progname}
-progversion = ${progversion}
 VPATH = ${srcdir}
 prefix = ${prefix}
 exec_prefix = ${exec_prefix}
@@ -202,10 +184,8 @@ datadir = ${datadir}
 infodir = ${infodir}
 mandir = ${mandir}
 sysconfdir = ${sysconfdir}
-CC = ${CC}
 CXX = ${CXX}
 CPPFLAGS = ${CPPFLAGS}
-CFLAGS = ${CFLAGS}
 CXXFLAGS = ${CXXFLAGS}
 LDFLAGS = ${LDFLAGS}
 EOF
diff --git a/decoder.cc b/decoder.cc
index f5cb101..4e3a8fc 100644
--- a/decoder.cc
+++ b/decoder.cc
@@ -1,5 +1,5 @@
 /*  Lzip - A data compressor based on the LZMA algorithm
-    Copyright (C) 2008, 2009 Antonio Diaz Diaz.
+    Copyright (C) 2008, 2009, 2010 Antonio Diaz Diaz.
 
     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
@@ -124,7 +124,7 @@ bool LZ_decoder::verify_trailer( const Pretty_print & pp ) const
       }
     }
   if( !error && verbosity >= 3 )
-    std::fprintf( stderr, "data crc %08X, data size %8lld, member size %8lld.  ",
+    std::fprintf( stderr, "data crc %08X, data size %9lld, member size %8lld.  ",
                   (unsigned int)trailer.data_crc(), trailer.data_size(),
                   trailer.member_size() );
   return !error;
diff --git a/decoder.h b/decoder.h
index ca21af1..212c62f 100644
--- a/decoder.h
+++ b/decoder.h
@@ -1,5 +1,5 @@
 /*  Lzip - A data compressor based on the LZMA algorithm
-    Copyright (C) 2008, 2009 Antonio Diaz Diaz.
+    Copyright (C) 2008, 2009, 2010 Antonio Diaz Diaz.
 
     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
diff --git a/doc/lzip.1 b/doc/lzip.1
index 73e5a48..d0efa7d 100644
--- a/doc/lzip.1
+++ b/doc/lzip.1
@@ -1,7 +1,7 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.36.
-.TH LZIP "1" "September 2009" "Lzip 1.8" "User Commands"
+.TH LZIP "1" "January 2010" "Lzip 1.9" "User Commands"
 .SH NAME
-Lzip \- manual page for Lzip 1.8
+Lzip \- data compressor based on the LZMA algorithm
 .SH SYNOPSIS
 .B lzip
 [\fIoptions\fR] [\fIfiles\fR]
@@ -68,7 +68,7 @@ Ki = KiB = 2^10 = 1024, M = 10^6, Mi = 2^20, G = 10^9, Gi = 2^30, etc...
 Report bugs to lzip\-bug@nongnu.org
 Lzip home page: http://www.nongnu.org/lzip/lzip.html
 .SH COPYRIGHT
-Copyright \(co 2009 Antonio Diaz Diaz.
+Copyright \(co 2010 Antonio Diaz Diaz.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 .br
 This is free software: you are free to change and redistribute it.
diff --git a/doc/lzip.info b/doc/lzip.info
index 282cc03..5e2e530 100644
--- a/doc/lzip.info
+++ b/doc/lzip.info
@@ -8,10 +8,10 @@ END-INFO-DIR-ENTRY
 
 File: lzip.info,  Node: Top,  Next: Introduction,  Up: (dir)
 
-Lzip
-****
+Lzip Manual
+***********
 
-This manual is for Lzip (version 1.8, 2 September 2009).
+This manual is for Lzip (version 1.9, 17 January 2010).
 
 * Menu:
 
@@ -25,7 +25,7 @@ This manual is for Lzip (version 1.8, 2 September 2009).
 * Concept Index::	Index of concepts
 
 
-   Copyright (C) 2008, 2009 Antonio Diaz Diaz.
+   Copyright (C) 2008, 2009, 2010 Antonio Diaz Diaz.
 
    This manual is free documentation: you have unlimited permission to
 copy, distribute and modify it.
@@ -466,13 +466,13 @@ Concept Index
 
 Tag Table:
 Node: Top224
-Node: Introduction880
-Node: Algorithm4187
-Node: Invoking Lzip6413
-Node: File Format10760
-Node: Examples12714
-Node: Lziprecover14552
-Node: Problems15251
-Node: Concept Index15776
+Node: Introduction899
+Node: Algorithm4206
+Node: Invoking Lzip6432
+Node: File Format10779
+Node: Examples12733
+Node: Lziprecover14571
+Node: Problems15270
+Node: Concept Index15795
 
 End Tag Table
diff --git a/doc/lzip.texinfo b/doc/lzip.texinfo
index adb5eb6..a6d5d79 100644
--- a/doc/lzip.texinfo
+++ b/doc/lzip.texinfo
@@ -1,12 +1,12 @@
 \input texinfo @c -*-texinfo-*-
 @c %**start of header
 @setfilename lzip.info
-@settitle Lzip
+@settitle Lzip Manual
 @finalout
 @c %**end of header
 
-@set UPDATED 2 September 2009
-@set VERSION 1.8
+@set UPDATED 17 January 2010
+@set VERSION 1.9
 
 @dircategory Data Compression
 @direntry
@@ -43,7 +43,7 @@ This manual is for Lzip (version @value{VERSION}, @value{UPDATED}).
 @end menu
 
 @sp 1
-Copyright @copyright{} 2008, 2009 Antonio Diaz Diaz.
+Copyright @copyright{} 2008, 2009, 2010 Antonio Diaz Diaz.
 
 This manual is free documentation: you have unlimited permission
 to copy, distribute and modify it.
diff --git a/doc/lziprecover.1 b/doc/lziprecover.1
index 80dc3b3..95f5709 100644
--- a/doc/lziprecover.1
+++ b/doc/lziprecover.1
@@ -1,7 +1,7 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.36.
-.TH LZIPRECOVER "1" "September 2009" "Lziprecover 1.8" "User Commands"
+.TH LZIPRECOVER "1" "January 2010" "Lziprecover 1.9" "User Commands"
 .SH NAME
-Lziprecover \- manual page for Lziprecover 1.8
+Lziprecover \- recover undamaged members from lzip files
 .SH SYNOPSIS
 .B lziprecover
 [\fIoptions\fR] \fIfile\fR
@@ -28,7 +28,7 @@ be verbose (a 2nd \fB\-v\fR gives more)
 Report bugs to lzip\-bug@nongnu.org
 Lzip home page: http://www.nongnu.org/lzip/lzip.html
 .SH COPYRIGHT
-Copyright \(co 2009 Antonio Diaz Diaz.
+Copyright \(co 2010 Antonio Diaz Diaz.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 .br
 This is free software: you are free to change and redistribute it.
diff --git a/encoder.cc b/encoder.cc
index 2b96e68..27d3db0 100644
--- a/encoder.cc
+++ b/encoder.cc
@@ -1,5 +1,5 @@
 /*  Lzip - A data compressor based on the LZMA algorithm
-    Copyright (C) 2008, 2009 Antonio Diaz Diaz.
+    Copyright (C) 2008, 2009, 2010 Antonio Diaz Diaz.
 
     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
diff --git a/encoder.h b/encoder.h
index dbdb57a..e301396 100644
--- a/encoder.h
+++ b/encoder.h
@@ -1,5 +1,5 @@
 /*  Lzip - A data compressor based on the LZMA algorithm
-    Copyright (C) 2008, 2009 Antonio Diaz Diaz.
+    Copyright (C) 2008, 2009, 2010 Antonio Diaz Diaz.
 
     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
@@ -45,6 +45,7 @@ public:
 
 extern Dis_slots dis_slots;
 
+
 class Prob_prices
   {
   int data[bit_model_total >> 2];
@@ -69,6 +70,7 @@ public:
 
 extern Prob_prices prob_prices;
 
+
 inline int price0( const Bit_model & bm ) throw()
   { return prob_prices[bm.probability]; }
 
@@ -78,6 +80,7 @@ inline int price1( const Bit_model & bm ) throw()
 inline int price_bit( const Bit_model & bm, const int bit ) throw()
   { if( bit ) return price1( bm ); else return price0( bm ); }
 
+
 inline int price_symbol( const Bit_model bm[], int symbol, const int num_bits ) throw()
   {
   symbol |= ( 1 << num_bits );
@@ -91,6 +94,7 @@ inline int price_symbol( const Bit_model bm[], int symbol, const int num_bits )
   return price;
   }
 
+
 inline int price_symbol_reversed( const Bit_model bm[], int symbol,
                                   const int num_bits ) throw()
   {
@@ -106,6 +110,7 @@ inline int price_symbol_reversed( const Bit_model bm[], int symbol,
   return price;
   }
 
+
 inline int price_matched( const Bit_model bm[], const int symbol,
                           const int match_byte ) throw()
   {
@@ -215,14 +220,14 @@ class Range_encoder
   void shift_low()
     {
     const uint32_t carry = low >> 32;
-    if( low < 0xFF000000 || carry == 1 )
+    if( low < 0xFF000000LL || carry == 1 )
       {
       put_byte( cache + carry );
       for( ; ff_count > 0; --ff_count ) put_byte( 0xFF + carry );
       cache = low >> 24;
       }
     else ++ff_count;
-    low = ( low & 0x00FFFFFF ) << 8;
+    low = ( low & 0x00FFFFFFLL ) << 8;
     }
 
 public:
@@ -556,8 +561,8 @@ class LZ_encoder
       {
       const int prev_index = trials[cur].prev_index;
       Trial & prev_trial = trials[prev_index];
-      std::swap( dis, prev_trial.dis );
-      prev_trial.price = cur - prev_index;		// len
+      prev_trial.price = cur - prev_index;			// len
+      cur = dis; dis = prev_trial.dis; prev_trial.dis = cur;
       cur = prev_index;
       }
     }
diff --git a/lzip.h b/lzip.h
index 0a2293d..0590665 100644
--- a/lzip.h
+++ b/lzip.h
@@ -1,5 +1,5 @@
 /*  Lzip - A data compressor based on the LZMA algorithm
-    Copyright (C) 2008, 2009 Antonio Diaz Diaz.
+    Copyright (C) 2008, 2009, 2010 Antonio Diaz Diaz.
 
     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
@@ -74,6 +74,7 @@ const int max_len_symbols = len_low_symbols + len_mid_symbols + len_high_symbols
 
 const int min_match_len = 2;		// must be 2
 const int max_match_len = min_match_len + max_len_symbols - 1;	// 273
+const int min_match_len_limit = 5;
 
 const int max_dis_states = 4;
 
diff --git a/lziprecover.cc b/lziprecover.cc
index deed53c..dda4b5e 100644
--- a/lziprecover.cc
+++ b/lziprecover.cc
@@ -1,5 +1,5 @@
 /*  Lziprecover - Member recoverer program for lzip compressed files
-    Copyright (C) 2008, 2009 Antonio Diaz Diaz.
+    Copyright (C) 2008, 2009, 2010 Antonio Diaz Diaz.
 
     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
@@ -43,7 +43,7 @@ namespace {
 const char * invocation_name = 0;
 const char * const Program_name    = "Lziprecover";
 const char * const program_name    = "lziprecover";
-const char * const program_year    = "2009";
+const char * const program_year    = "2010";
 
 
 void show_help() throw()
diff --git a/main.cc b/main.cc
index 41fde78..1f12805 100644
--- a/main.cc
+++ b/main.cc
@@ -1,5 +1,5 @@
 /*  Lzip - A data compressor based on the LZMA algorithm
-    Copyright (C) 2008, 2009 Antonio Diaz Diaz.
+    Copyright (C) 2008, 2009, 2010 Antonio Diaz Diaz.
 
     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
@@ -60,7 +60,7 @@ namespace {
 const char * invocation_name = 0;
 const char * const Program_name    = "Lzip";
 const char * const program_name    = "lzip";
-const char * const program_year    = "2009";
+const char * const program_year    = "2010";
 
 struct { const char * from; const char * to; } const known_extensions[] = {
   { ".lz",  ""     },
@@ -145,7 +145,7 @@ const char * format_num( long long num, long long limit = 9999,
   }
 
 
-long long getnum( const char * ptr, const int bs,
+long long getnum( const char * ptr, const int bs = 0,
                   const long long llimit = LLONG_MIN + 1,
                   const long long ulimit = LLONG_MAX ) throw()
   {
@@ -180,7 +180,7 @@ long long getnum( const char * ptr, const int bs,
                 break;
       case 'k': if( factor == 1000 ) exponent = 1; else bad_multiplier = true;
                 break;
-      default: bad_multiplier = true;
+      default : bad_multiplier = true;
       }
     if( bad_multiplier )
       {
@@ -352,31 +352,30 @@ void cleanup_and_fail( const int retval ) throw()
 
 
      // Set permissions, owner and times.
-void close_and_set_permissions( const struct stat * in_statsp, int * retvalp )
+void close_and_set_permissions( const struct stat * const in_statsp )
   {
-  int tmp = 0;
+  bool error = false;
   if( in_statsp )
     {
-    if( fchmod( outhandle, in_statsp->st_mode ) != 0 ) tmp = 1;
-    if( !tmp ) (void)fchown( outhandle, in_statsp->st_uid, in_statsp->st_gid );
+    if( fchmod( outhandle, in_statsp->st_mode ) != 0 ) error = true;
+    else (void)fchown( outhandle, in_statsp->st_uid, in_statsp->st_gid );
     // fchown will in many cases return with EPERM, which can be safely ignored.
     }
   if( close( outhandle ) == 0 ) outhandle = -1;
   else cleanup_and_fail( 1 );
   delete_output_on_interrupt = false;
   if( !in_statsp ) return;
-  if( !tmp )
+  if( !error )
     {
     struct utimbuf t;
     t.actime = in_statsp->st_atime;
     t.modtime = in_statsp->st_mtime;
-    tmp = utime( output_filename.c_str(), &t );
+    if( utime( output_filename.c_str(), &t ) != 0 ) error = true;
     }
-  if( tmp )
+  if( error )
     {
-    if( tmp > *retvalp ) *retvalp = tmp;
     show_error( "I can't change output file attributes." );
-    cleanup_and_fail( *retvalp );
+    cleanup_and_fail( 1 );
     }
   }
 
@@ -395,15 +394,14 @@ bool next_filename()
 
 
 int compress( const long long member_size, const long long volume_size,
-              lzma_options encoder_options, const int inhandle,
-              const Pretty_print & pp, const struct stat * in_statsp,
-              int * retvalp )
+              const lzma_options & encoder_options, const int inhandle,
+              const Pretty_print & pp, const struct stat * const in_statsp )
   {
   if( verbosity >= 1 ) pp();
   File_header header;
   header.set_magic();
   if( !header.dictionary_size( encoder_options.dictionary_size ) ||
-      encoder_options.match_len_limit < 5 ||
+      encoder_options.match_len_limit < min_match_len_limit ||
       encoder_options.match_len_limit > max_match_len )
     internal_error( "invalid argument to encoder" );
 
@@ -429,7 +427,7 @@ int compress( const long long member_size, const long long volume_size,
         partial_volume_size = 0;
         if( delete_output_on_interrupt )
           {
-          close_and_set_permissions( in_statsp, retvalp );
+          close_and_set_permissions( in_statsp );
           if( !next_filename() )
             { pp(); show_error( "too many volume files" ); return 1; }
           if( !open_outstream( true ) ) return 1;
@@ -544,15 +542,15 @@ int decompress( const int inhandle, const Pretty_print & pp,
 extern "C" void signal_handler( int ) throw()
   {
   show_error( "Control-C or similar caught, quitting." );
-  cleanup_and_fail( 0 );
+  cleanup_and_fail( 1 );
   }
 
 
 void set_signals() throw()
   {
-  signal( SIGTERM, signal_handler );
   signal( SIGHUP, signal_handler );
   signal( SIGINT, signal_handler );
+  signal( SIGTERM, signal_handler );
   }
 
 } // end namespace
@@ -666,6 +664,7 @@ int main( const int argc, const char * argv[] )
   std::string default_output_filename;
   std::vector< std::string > filenames;
   invocation_name = argv[0];
+//  std::setvbuf( stderr, 0, _IONBF, 0 );
 
   const Arg_parser::Option options[] =
     {
@@ -717,7 +716,7 @@ int main( const int argc, const char * argv[] )
       case 'h': show_help(); return 0;
       case 'k': keep_input_files = true; break;
       case 'm': encoder_options.match_len_limit =
-                getnum( arg, 0, 5, max_match_len ); break;
+                getnum( arg, 0, min_match_len_limit, max_match_len ); break;
       case 'o': default_output_filename = arg; break;
       case 'q': verbosity = -1; break;
       case 's': encoder_options.dictionary_size = get_dict_size( arg );
@@ -783,7 +782,7 @@ int main( const int argc, const char * argv[] )
       const int eindex = extension_index( input_filename );
       inhandle = open_instream( input_filename, &in_stats, program_mode,
                                 eindex, force, to_stdout );
-      if( inhandle < 0 ) continue;
+      if( inhandle < 0 ) { if( retval < 1 ) retval = 1; continue; }
       if( program_mode != m_test )
         {
         if( to_stdout ) outhandle = STDOUT_FILENO;
@@ -806,19 +805,19 @@ int main( const int argc, const char * argv[] )
 
     if( output_filename.size() && !to_stdout && program_mode != m_test )
       delete_output_on_interrupt = true;
-    const struct stat * in_statsp = input_filename.size() ? &in_stats : 0;
+    const struct stat * const in_statsp = input_filename.size() ? &in_stats : 0;
     pp.set_name( input_filename );
     int tmp = 0;
     if( program_mode == m_compress )
       tmp = compress( member_size, volume_size, encoder_options, inhandle,
-                      pp, in_statsp, &retval );
+                      pp, in_statsp );
     else
       tmp = decompress( inhandle, pp, program_mode == m_test );
     if( tmp > retval ) retval = tmp;
     if( tmp && program_mode != m_test ) cleanup_and_fail( retval );
 
     if( delete_output_on_interrupt )
-      close_and_set_permissions( in_statsp, &retval );
+      close_and_set_permissions( in_statsp );
     if( input_filename.size() )
       {
       close( inhandle ); inhandle = -1;
@@ -826,6 +825,12 @@ int main( const int argc, const char * argv[] )
         std::remove( input_filename.c_str() );
       }
     }
-  if( outhandle >= 0 ) close( outhandle );
+  if( outhandle >= 0 && close( outhandle ) != 0 )
+    {
+    if( verbosity >= 0 )
+      std::fprintf( stderr, "%s: Can't close stdout: %s.\n",
+                    program_name, std::strerror( errno ) );
+    if( retval < 1 ) retval = 1;
+    }
   return retval;
   }
diff --git a/testsuite/check.sh b/testsuite/check.sh
index 3ac3604..ec61c89 100755
--- a/testsuite/check.sh
+++ b/testsuite/check.sh
@@ -1,6 +1,6 @@
 #! /bin/sh
 # check script for Lzip - A data compressor based on the LZMA algorithm
-# Copyright (C) 2008, 2009 Antonio Diaz Diaz.
+# Copyright (C) 2008, 2009, 2010 Antonio Diaz Diaz.
 #
 # This script is free software: you have unlimited permission
 # to copy, distribute and modify it.
@@ -18,15 +18,15 @@ if [ ! -x "${LZIP}" ] ; then
 	exit 1
 fi
 
-if [ -d tmp ] ; then rm -r tmp ; fi
+if [ -d tmp ] ; then rm -rf tmp ; fi
 mkdir tmp
 echo -n "testing lzip..."
 cd "${objdir}"/tmp
 
-cat "${testdir}"/../COPYING > in || framework_failure
+cat "${testdir}"/test1 > in || framework_failure
 fail=0
 
-"${LZIP}" -cd "${testdir}"/COPYING.lz > copy || fail=1
+"${LZIP}" -cd "${testdir}"/test1.lz > copy || fail=1
 cmp in copy || fail=1
 
 for i in s4096 1 2 3 4 5 6 7 8 9; do
@@ -47,7 +47,7 @@ for i in s4096 1 2 3 4 5 6 7 8 9; do
 done
 
 for i in s4096 1 2 3 4 5 6 7 8 9; do
-	"${LZIP}" -c -$i < in > out || fail=1
+	"${LZIP}" -$i < in > out || fail=1
 	"${LZIP}" -d < out > copy || fail=1
 	cmp in copy || fail=1
 	echo -n .
@@ -70,7 +70,7 @@ for i in 1 2 3; do
 done
 
 echo
-if [ ${fail} = 0 ]; then
+if [ ${fail} = 0 ] ; then
 	echo "tests completed successfully."
 	cd "${objdir}" && rm -r tmp
 else
diff --git a/testsuite/test1 b/testsuite/test1
new file mode 100644
index 0000000..5b244d5
--- /dev/null
+++ b/testsuite/test1
@@ -0,0 +1,676 @@
+

+		    GNU GENERAL PUBLIC LICENSE

+		       Version 3, 29 June 2007

+

+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>

+ Everyone is permitted to copy and distribute verbatim copies

+ of this license document, but changing it is not allowed.

+

+			    Preamble

+

+  The GNU General Public License is a free, copyleft license for

+software and other kinds of works.

+

+  The licenses for most software and other practical works are designed

+to take away your freedom to share and change the works.  By contrast,

+the GNU General Public License is intended to guarantee your freedom to

+share and change all versions of a program--to make sure it remains free

+software for all its users.  We, the Free Software Foundation, use the

+GNU General Public License for most of our software; it applies also to

+any other work released this way by its authors.  You can apply it to

+your programs, too.

+

+  When we speak of free software, we are referring to freedom, not

+price.  Our General Public Licenses are designed to make sure that you

+have the freedom to distribute copies of free software (and charge for

+them if you wish), that you receive source code or can get it if you

+want it, that you can change the software or use pieces of it in new

+free programs, and that you know you can do these things.

+

+  To protect your rights, we need to prevent others from denying you

+these rights or asking you to surrender the rights.  Therefore, you have

+certain responsibilities if you distribute copies of the software, or if

+you modify it: responsibilities to respect the freedom of others.

+

+  For example, if you distribute copies of such a program, whether

+gratis or for a fee, you must pass on to the recipients the same

+freedoms that you received.  You must make sure that they, too, receive

+or can get the source code.  And you must show them these terms so they

+know their rights.

+

+  Developers that use the GNU GPL protect your rights with two steps:

+(1) assert copyright on the software, and (2) offer you this License

+giving you legal permission to copy, distribute and/or modify it.

+

+  For the developers' and authors' protection, the GPL clearly explains

+that there is no warranty for this free software.  For both users' and

+authors' sake, the GPL requires that modified versions be marked as

+changed, so that their problems will not be attributed erroneously to

+authors of previous versions.

+

+  Some devices are designed to deny users access to install or run

+modified versions of the software inside them, although the manufacturer

+can do so.  This is fundamentally incompatible with the aim of

+protecting users' freedom to change the software.  The systematic

+pattern of such abuse occurs in the area of products for individuals to

+use, which is precisely where it is most unacceptable.  Therefore, we

+have designed this version of the GPL to prohibit the practice for those

+products.  If such problems arise substantially in other domains, we

+stand ready to extend this provision to those domains in future versions

+of the GPL, as needed to protect the freedom of users.

+

+  Finally, every program is threatened constantly by software patents.

+States should not allow patents to restrict development and use of

+software on general-purpose computers, but in those that do, we wish to

+avoid the special danger that patents applied to a free program could

+make it effectively proprietary.  To prevent this, the GPL assures that

+patents cannot be used to render the program non-free.

+

+  The precise terms and conditions for copying, distribution and

+modification follow.

+

+		       TERMS AND CONDITIONS

+

+  0. Definitions.

+

+  "This License" refers to version 3 of the GNU General Public License.

+

+  "Copyright" also means copyright-like laws that apply to other kinds of

+works, such as semiconductor masks.

+ 

+  "The Program" refers to any copyrightable work licensed under this

+License.  Each licensee is addressed as "you".  "Licensees" and

+"recipients" may be individuals or organizations.

+

+  To "modify" a work means to copy from or adapt all or part of the work

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+

+  A "covered work" means either the unmodified Program or a work based

+on the Program.

+

+  To "propagate" a work means to do anything with it that, without

+permission, would make you directly or secondarily liable for

+infringement under applicable copyright law, except executing it on a

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+

+  To "convey" a work means any kind of propagation that enables other

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+  An interactive user interface displays "Appropriate Legal Notices"

+to the extent that it includes a convenient and prominently visible

+feature that (1) displays an appropriate copyright notice, and (2)

+tells the user that there is no warranty for the work (except to the

+extent that warranties are provided), that licensees may convey the

+work under this License, and how to view a copy of this License.  If

+the interface presents a list of user commands or options, such as a

+menu, a prominent item in the list meets this criterion.

+

+  1. Source Code.

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+  The "source code" for a work means the preferred form of the work

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+  You may convey verbatim copies of the Program's source code as you

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+  6. Conveying Non-Source Forms.

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+  You may convey a covered work in object code form under the terms

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+    copy of the Corresponding Source for all the software in the

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+

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+

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+

+    e) Convey the object code using peer-to-peer transmission, provided

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+

+  A separable portion of the object code, whose source code is excluded

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+

+  A "User Product" is either (1) a "consumer product", which means any

+tangible personal property which is normally used for personal, family,

+or household purposes, or (2) anything designed or sold for incorporation

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+

+  "Installation Information" for a User Product means any methods,

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+code is in no case prevented or interfered with solely because

+modification has been made.

+

+  If you convey an object code work under this section in, or with, or

+specifically for use in, a User Product, and the conveying occurs as

+part of a transaction in which the right of possession and use of the

+User Product is transferred to the recipient in perpetuity or for a

+fixed term (regardless of how the transaction is characterized), the

+Corresponding Source conveyed under this section must be accompanied

+by the Installation Information.  But this requirement does not apply

+if neither you nor any third party retains the ability to install

+modified object code on the User Product (for example, the work has

+been installed in ROM).

+

+  The requirement to provide Installation Information does not include a

+requirement to continue to provide support service, warranty, or updates

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+the User Product in which it has been modified or installed.  Access to a

+network may be denied when the modification itself materially and

+adversely affects the operation of the network or violates the rules and

+protocols for communication across the network.

+

+  Corresponding Source conveyed, and Installation Information provided,

+in accord with this section must be in a format that is publicly

+documented (and with an implementation available to the public in

+source code form), and must require no special password or key for

+unpacking, reading or copying.

+

+  7. Additional Terms.

+

+  "Additional permissions" are terms that supplement the terms of this

+License by making exceptions from one or more of its conditions.

+Additional permissions that are applicable to the entire Program shall

+be treated as though they were included in this License, to the extent

+that they are valid under applicable law.  If additional permissions

+apply only to part of the Program, that part may be used separately

+under those permissions, but the entire Program remains governed by

+this License without regard to the additional permissions.

+

+  When you convey a copy of a covered work, you may at your option

+remove any additional permissions from that copy, or from any part of

+it.  (Additional permissions may be written to require their own

+removal in certain cases when you modify the work.)  You may place

+additional permissions on material, added by you to a covered work,

+for which you have or can give appropriate copyright permission.

+

+  Notwithstanding any other provision of this License, for material you

+add to a covered work, you may (if authorized by the copyright holders of

+that material) supplement the terms of this License with terms:

+

+    a) Disclaiming warranty or limiting liability differently from the

+    terms of sections 15 and 16 of this License; or

+

+    b) Requiring preservation of specified reasonable legal notices or

+    author attributions in that material or in the Appropriate Legal

+    Notices displayed by works containing it; or

+

+    c) Prohibiting misrepresentation of the origin of that material, or

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+    e) Declining to grant rights under trademark law for use of some

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+

+    f) Requiring indemnification of licensors and authors of that

+    material by anyone who conveys the material (or modified versions of

+    it) with contractual assumptions of liability to the recipient, for

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+

+  All other non-permissive additional terms are considered "further

+restrictions" within the meaning of section 10.  If the Program as you

+received it, or any part of it, contains a notice stating that it is

+governed by this License along with a term that is a further

+restriction, you may remove that term.  If a license document contains

+a further restriction but permits relicensing or conveying under this

+License, you may add to a covered work material governed by the terms

+of that license document, provided that the further restriction does

+not survive such relicensing or conveying.

+

+  If you add terms to a covered work in accord with this section, you

+must place, in the relevant source files, a statement of the

+additional terms that apply to those files, or a notice indicating

+where to find the applicable terms.

+

+  Additional terms, permissive or non-permissive, may be stated in the

+form of a separately written license, or stated as exceptions;

+the above requirements apply either way.

+

+  8. Termination.

+

+  You may not propagate or modify a covered work except as expressly

+provided under this License.  Any attempt otherwise to propagate or

+modify it is void, and will automatically terminate your rights under

+this License (including any patent licenses granted under the third

+paragraph of section 11).

+

+  However, if you cease all violation of this License, then your

+license from a particular copyright holder is reinstated (a)

+provisionally, unless and until the copyright holder explicitly and

+finally terminates your license, and (b) permanently, if the copyright

+holder fails to notify you of the violation by some reasonable means

+prior to 60 days after the cessation.

+

+  Moreover, your license from a particular copyright holder is

+reinstated permanently if the copyright holder notifies you of the

+violation by some reasonable means, this is the first time you have

+received notice of violation of this License (for any work) from that

+copyright holder, and you cure the violation prior to 30 days after

+your receipt of the notice.

+

+  Termination of your rights under this section does not terminate the

+licenses of parties who have received copies or rights from you under

+this License.  If your rights have been terminated and not permanently

+reinstated, you do not qualify to receive new licenses for the same

+material under section 10.

+

+  9. Acceptance Not Required for Having Copies.

+

+  You are not required to accept this License in order to receive or

+run a copy of the Program.  Ancillary propagation of a covered work

+occurring solely as a consequence of using peer-to-peer transmission

+to receive a copy likewise does not require acceptance.  However,

+nothing other than this License grants you permission to propagate or

+modify any covered work.  These actions infringe copyright if you do

+not accept this License.  Therefore, by modifying or propagating a

+covered work, you indicate your acceptance of this License to do so.

+

+  10. Automatic Licensing of Downstream Recipients.

+

+  Each time you convey a covered work, the recipient automatically

+receives a license from the original licensors, to run, modify and

+propagate that work, subject to this License.  You are not responsible

+for enforcing compliance by third parties with this License.

+

+  An "entity transaction" is a transaction transferring control of an

+organization, or substantially all assets of one, or subdividing an

+organization, or merging organizations.  If propagation of a covered

+work results from an entity transaction, each party to that

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+Corresponding Source of the work from the predecessor in interest, if

+the predecessor has it or can get it with reasonable efforts.

+

+  You may not impose any further restrictions on the exercise of the

+rights granted or affirmed under this License.  For example, you may

+not impose a license fee, royalty, or other charge for exercise of

+rights granted under this License, and you may not initiate litigation

+(including a cross-claim or counterclaim in a lawsuit) alleging that

+any patent claim is infringed by making, using, selling, offering for

+sale, or importing the Program or any portion of it.

+

+  11. Patents.

+

+  A "contributor" is a copyright holder who authorizes use under this

+License of the Program or a work on which the Program is based.  The

+work thus licensed is called the contributor's "contributor version".

+

+  A contributor's "essential patent claims" are all patent claims

+owned or controlled by the contributor, whether already acquired or

+hereafter acquired, that would be infringed by some manner, permitted

+by this License, of making, using, or selling its contributor version,

+but do not include claims that would be infringed only as a

+consequence of further modification of the contributor version.  For

+purposes of this definition, "control" includes the right to grant

+patent sublicenses in a manner consistent with the requirements of

+this License.

+

+  Each contributor grants you a non-exclusive, worldwide, royalty-free

+patent license under the contributor's essential patent claims, to

+make, use, sell, offer for sale, import and otherwise run, modify and

+propagate the contents of its contributor version.

+

+  In the following three paragraphs, a "patent license" is any express

+agreement or commitment, however denominated, not to enforce a patent

+(such as an express permission to practice a patent or covenant not to

+sue for patent infringement).  To "grant" such a patent license to a

+party means to make such an agreement or commitment not to enforce a

+patent against the party.

+

+  If you convey a covered work, knowingly relying on a patent license,

+and the Corresponding Source of the work is not available for anyone

+to copy, free of charge and under the terms of this License, through a

+publicly available network server or other readily accessible means,

+then you must either (1) cause the Corresponding Source to be so

+available, or (2) arrange to deprive yourself of the benefit of the

+patent license for this particular work, or (3) arrange, in a manner

+consistent with the requirements of this License, to extend the patent

+license to downstream recipients.  "Knowingly relying" means you have

+actual knowledge that, but for the patent license, your conveying the

+covered work in a country, or your recipient's use of the covered work

+in a country, would infringe one or more identifiable patents in that

+country that you have reason to believe are valid.

+  

+  If, pursuant to or in connection with a single transaction or

+arrangement, you convey, or propagate by procuring conveyance of, a

+covered work, and grant a patent license to some of the parties

+receiving the covered work authorizing them to use, propagate, modify

+or convey a specific copy of the covered work, then the patent license

+you grant is automatically extended to all recipients of the covered

+work and works based on it.

+

+  A patent license is "discriminatory" if it does not include within

+the scope of its coverage, prohibits the exercise of, or is

+conditioned on the non-exercise of one or more of the rights that are

+specifically granted under this License.  You may not convey a covered

+work if you are a party to an arrangement with a third party that is

+in the business of distributing software, under which you make payment

+to the third party based on the extent of your activity of conveying

+the work, and under which the third party grants, to any of the

+parties who would receive the covered work from you, a discriminatory

+patent license (a) in connection with copies of the covered work

+conveyed by you (or copies made from those copies), or (b) primarily

+for and in connection with specific products or compilations that

+contain the covered work, unless you entered into that arrangement,

+or that patent license was granted, prior to 28 March 2007.

+

+  Nothing in this License shall be construed as excluding or limiting

+any implied license or other defenses to infringement that may

+otherwise be available to you under applicable patent law.

+

+  12. No Surrender of Others' Freedom.

+

+  If conditions are imposed on you (whether by court order, agreement or

+otherwise) that contradict the conditions of this License, they do not

+excuse you from the conditions of this License.  If you cannot convey a

+covered work so as to satisfy simultaneously your obligations under this

+License and any other pertinent obligations, then as a consequence you may

+not convey it at all.  For example, if you agree to terms that obligate you

+to collect a royalty for further conveying from those to whom you convey

+the Program, the only way you could satisfy both those terms and this

+License would be to refrain entirely from conveying the Program.

+

+  13. Use with the GNU Affero General Public License.

+

+  Notwithstanding any other provision of this License, you have

+permission to link or combine any covered work with a work licensed

+under version 3 of the GNU Affero General Public License into a single

+combined work, and to convey the resulting work.  The terms of this

+License will continue to apply to the part which is the covered work,

+but the special requirements of the GNU Affero General Public License,

+section 13, concerning interaction through a network will apply to the

+combination as such.

+

+  14. Revised Versions of this License.

+

+  The Free Software Foundation may publish revised and/or new versions of

+the GNU General Public License from time to time.  Such new versions will

+be similar in spirit to the present version, but may differ in detail to

+address new problems or concerns.

+

+  Each version is given a distinguishing version number.  If the

+Program specifies that a certain numbered version of the GNU General

+Public License "or any later version" applies to it, you have the

+option of following the terms and conditions either of that numbered

+version or of any later version published by the Free Software

+Foundation.  If the Program does not specify a version number of the

+GNU General Public License, you may choose any version ever published

+by the Free Software Foundation.

+

+  If the Program specifies that a proxy can decide which future

+versions of the GNU General Public License can be used, that proxy's

+public statement of acceptance of a version permanently authorizes you

+to choose that version for the Program.

+

+  Later license versions may give you additional or different

+permissions.  However, no additional obligations are imposed on any

+author or copyright holder as a result of your choosing to follow a

+later version.

+

+  15. Disclaimer of Warranty.

+

+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY

+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT

+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY

+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,

+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM

+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF

+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.

+

+  16. Limitation of Liability.

+

+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING

+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS

+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY

+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE

+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF

+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD

+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),

+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF

+SUCH DAMAGES.

+

+  17. Interpretation of Sections 15 and 16.

+

+  If the disclaimer of warranty and limitation of liability provided

+above cannot be given local legal effect according to their terms,

+reviewing courts shall apply local law that most closely approximates

+an absolute waiver of all civil liability in connection with the

+Program, unless a warranty or assumption of liability accompanies a

+copy of the Program in return for a fee.

+

+		     END OF TERMS AND CONDITIONS

+

+	    How to Apply These Terms to Your New Programs

+

+  If you develop a new program, and you want it to be of the greatest

+possible use to the public, the best way to achieve this is to make it

+free software which everyone can redistribute and change under these terms.

+

+  To do so, attach the following notices to the program.  It is safest

+to attach them to the start of each source file to most effectively

+state the exclusion of warranty; and each file should have at least

+the "copyright" line and a pointer to where the full notice is found.

+

+    <one line to give the program's name and a brief idea of what it does.>

+    Copyright (C) <year>  <name of author>

+

+    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 3 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, see <http://www.gnu.org/licenses/>.

+

+Also add information on how to contact you by electronic and paper mail.

+

+  If the program does terminal interaction, make it output a short

+notice like this when it starts in an interactive mode:

+

+    <program>  Copyright (C) <year>  <name of author>

+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.

+    This is free software, and you are welcome to redistribute it

+    under certain conditions; type `show c' for details.

+

+The hypothetical commands `show w' and `show c' should show the appropriate

+parts of the General Public License.  Of course, your program's commands

+might be different; for a GUI interface, you would use an "about box".

+

+  You should also get your employer (if you work as a programmer) or school,

+if any, to sign a "copyright disclaimer" for the program, if necessary.

+For more information on this, and how to apply and follow the GNU GPL, see

+<http://www.gnu.org/licenses/>.

+

+  The GNU General Public License does not permit incorporating your program

+into proprietary programs.  If your program is a subroutine library, you

+may consider it more useful to permit linking proprietary applications with

+the library.  If this is what you want to do, use the GNU Lesser General

+Public License instead of this License.  But first, please read

+<http://www.gnu.org/philosophy/why-not-lgpl.html>.

+

diff --git a/testsuite/COPYING.lz b/testsuite/test1.lz
index a09b1e8..a09b1e8 100644
--- a/testsuite/COPYING.lz
+++ b/testsuite/test1.lz
diff --git a/testsuite/unzcrash.cc b/testsuite/unzcrash.cc
index 4856a73..f61f8a8 100644
--- a/testsuite/unzcrash.cc
+++ b/testsuite/unzcrash.cc
@@ -1,7 +1,7 @@
 /*  Unzcrash - A test program written to test robustness to
                decompression of corrupted data.
     Inspired by unzcrash.c from Julian Seward's bzip2.
-    Copyright (C) 2008, 2009 Antonio Diaz Diaz.
+    Copyright (C) 2008, 2009, 2010 Antonio Diaz Diaz.
 
     This program is free software: you have unlimited permission
     to copy, distribute and modify it.