Merging upstream version 1.13~rc1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
author: Daniel Baumann <daniel.baumann@progress-linux.org> 2024-01-23 05:40:38 +0000
committer: Daniel Baumann <daniel.baumann@progress-linux.org> 2024-01-23 05:40:38 +0000
commit: b3b8c8ad67fc70d8d047e07e5768997882ec6e97 (patch)
tree: b1b7b3a7a4ce69b1467a0e0882b19ce50e6a759a
parent: Releasing debian version 1.12-6. (diff)
download: pdlzip-b3b8c8ad67fc70d8d047e07e5768997882ec6e97.tar.xz
pdlzip-b3b8c8ad67fc70d8d047e07e5768997882ec6e97.zip
12 files changed, 289 insertions, 250 deletions
diff --git a/ChangeLog b/ChangeLog
index fe563fc..5d52edb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2023-12-21  Antonio Diaz Diaz  <antonio@gnu.org>
+
+	* Version 1.13-rc1 released.
+	* main.c: Reformat file diagnostics as 'PROGRAM: FILE: MESSAGE'.
+	  (show_option_error): New function showing argument and option name.
+	* lzip.h: Rename verify_* to check_*.
+	* configure, Makefile.in: New variable 'MAKEINFO'.
+	* INSTALL: Document use of CFLAGS+='--std=c99 -D_XOPEN_SOURCE=500'.
+
 2022-01-21  Antonio Diaz Diaz  <antonio@gnu.org>
 
 	* Version 1.12 released.
@@ -109,7 +118,7 @@
 	* Using LZMA SDK 9.10 (public domain) from Igor Pavlov.
 
 
-Copyright (C) 2010-2022 Antonio Diaz Diaz.
+Copyright (C) 2010-2023 Antonio Diaz Diaz.
 
 This file is a collection of facts, and thus it is not copyrightable,
 but just in case, you have unlimited permission to copy, distribute, and
diff --git a/INSTALL b/INSTALL
index 131c9a7..594420c 100644
--- a/INSTALL
+++ b/INSTALL
@@ -18,8 +18,8 @@ Procedure
 or
 	lzip -cd pdlzip[version].tar.lz | tar -xf -
 
-This creates the directory ./pdlzip[version] containing the source from
-the main archive.
+This creates the directory ./pdlzip[version] containing the source code
+extracted from the archive.
 
 2. Change to pdlzip directory and run configure.
    (Try 'configure --help' for usage instructions).
@@ -27,6 +27,10 @@ the main archive.
 	cd pdlzip[version]
 	./configure
 
+   If you choose a C standard, enable the POSIX features explicitly:
+
+	./configure CFLAGS+='--std=c99 -D_XOPEN_SOURCE=500'
+
    If you are compiling on MinGW, use:
 
 	./configure CFLAGS+='-D __USE_MINGW_ANSI_STDIO'
@@ -38,7 +42,8 @@ the main archive.
 4. Optionally, type 'make check' to run the tests that come with pdlzip.
 
 5. Type 'make install' to install the program and any data files and
-   documentation.
+   documentation. You need root privileges to install into a prefix owned
+   by root.
 
    Or type 'make install-compress', which additionally compresses the
    man page after installation.
@@ -61,15 +66,15 @@ object files and executables to go and run the 'configure' script.
 'configure' automatically checks for the source code in '.', in '..', and
 in the directory that 'configure' is in.
 
-'configure' recognizes the option '--srcdir=DIR' to control where to
-look for the sources. Usually 'configure' can determine that directory
+'configure' recognizes the option '--srcdir=DIR' to control where to look
+for the source code. Usually 'configure' can determine that directory
 automatically.
 
 After running 'configure', you can run 'make' and 'make install' as
 explained above.
 
 
-Copyright (C) 2010-2022 Antonio Diaz Diaz.
+Copyright (C) 2010-2023 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 33e0a65..4b8c791 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -28,6 +28,10 @@ main.o : main.c
 %.o : %.c
 	$(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $<
 
+# prevent 'make' from trying to remake source files
+$(VPATH)/configure $(VPATH)/Makefile.in $(VPATH)/doc/$(pkgname).texi : ;
+%.h %.c : ;
+
 $(objs)       : Makefile
 carg_parser.o : carg_parser.h
 LzmaDec.o     : lzip.h LzmaDec.h
@@ -35,13 +39,12 @@ LzFind.o      : lzip.h LzFind.h
 LzmaEnc.o     : lzip.h LzFind.h LzmaEnc.h
 main.o        : carg_parser.h lzip.h LzmaDec.h LzmaEnc.h
 
-
 doc : man
 
 info : $(VPATH)/doc/$(pkgname).info
 
 $(VPATH)/doc/$(pkgname).info : $(VPATH)/doc/$(pkgname).texi
-	cd $(VPATH)/doc && makeinfo $(pkgname).texi
+	cd $(VPATH)/doc && $(MAKEINFO) $(pkgname).texi
 
 man : $(VPATH)/doc/$(progname).1
 
diff --git a/NEWS b/NEWS
index 85cff1d..5415fd8 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,12 @@
-Changes in version 1.12:
+Changes in version 1.13:
 
-In case of error in a numerical argument to a command line option, pdlzip
-now shows the name of the option and the range of valid values.
+File diagnostics have been reformatted as 'PROGRAM: FILE: MESSAGE'.
+
+Diagnostics caused by invalid arguments to command-line options now show the
+argument and the name of the option.
+
+The variable MAKEINFO has been added to configure and Makefile.in.
+
+It has been documented in INSTALL that when choosing a C standard, the POSIX
+features need to be enabled explicitly:
+  ./configure CFLAGS+='--std=c99 -D_XOPEN_SOURCE=500'
diff --git a/README b/README
index 0aa6bfd..14f73b7 100644
--- a/README
+++ b/README
@@ -7,14 +7,15 @@ Pdlzip is written in C and is (hope)fully compatible with lzip 1.4 or newer.
 
 Lzip is a lossless data compressor with a user interface similar to the one
 of gzip or bzip2. Lzip uses a simplified form of the 'Lempel-Ziv-Markov
-chain-Algorithm' (LZMA) stream format and provides a 3 factor integrity
-checking to maximize interoperability and optimize safety. Lzip can compress
-about as fast as gzip (lzip -0) or compress most files more than bzip2
-(lzip -9). Decompression speed is intermediate between gzip and bzip2.
-Lzip is better than gzip and bzip2 from a data recovery perspective. Lzip
-has been designed, written, and tested with great care to replace gzip and
-bzip2 as the standard general-purpose compressed format for unix-like
-systems.
+chain-Algorithm' (LZMA) stream format to maximize interoperability. The
+maximum dictionary size is 512 MiB so that any lzip file can be decompressed
+on 32-bit machines. Lzip provides accurate and robust 3-factor integrity
+checking. Lzip can compress about as fast as gzip (lzip -0) or compress most
+files more than bzip2 (lzip -9). Decompression speed is intermediate between
+gzip and bzip2. Lzip is better than gzip and bzip2 from a data recovery
+perspective. Lzip has been designed, written, and tested with great care to
+replace gzip and bzip2 as the standard general-purpose compressed format for
+Unix-like systems.
 
 The lzip file format is designed for data sharing and long-term archiving,
 taking into account both data integrity and decoder availability:
@@ -56,7 +57,7 @@ users of the most non-free platforms can share lzip files with everybody
 else.
 
 
-Copyright (C) 2010-2022 Antonio Diaz Diaz.
+Copyright (C) 2010-2023 Antonio Diaz Diaz.
 
 This file is free documentation: you have unlimited permission to copy,
 distribute, and modify it.
diff --git a/carg_parser.c b/carg_parser.c
index 181ba23..8882b97 100644
--- a/carg_parser.c
+++ b/carg_parser.c
@@ -1,5 +1,5 @@
-/* Arg_parser - POSIX/GNU command line argument parser. (C version)
-   Copyright (C) 2006-2022 Antonio Diaz Diaz.
+/* Arg_parser - POSIX/GNU command-line argument parser. (C version)
+   Copyright (C) 2006-2023 Antonio Diaz Diaz.
 
    This library is free software. Redistribution and use in source and
    binary forms, with or without modification, are permitted provided
diff --git a/carg_parser.h b/carg_parser.h
index 0c64861..ec5d3d0 100644
--- a/carg_parser.h
+++ b/carg_parser.h
@@ -1,5 +1,5 @@
-/* Arg_parser - POSIX/GNU command line argument parser. (C version)
-   Copyright (C) 2006-2022 Antonio Diaz Diaz.
+/* Arg_parser - POSIX/GNU command-line argument parser. (C version)
+   Copyright (C) 2006-2023 Antonio Diaz Diaz.
 
    This library is free software. Redistribution and use in source and
    binary forms, with or without modification, are permitted provided
diff --git a/configure b/configure
index 2a74adb..1f8c60f 100755
--- a/configure
+++ b/configure
@@ -1,12 +1,12 @@
 #! /bin/sh
 # configure script for Pdlzip - LZMA lossless data compressor
-# Copyright (C) 2010-2022 Antonio Diaz Diaz.
+# Copyright (C) 2010-2023 Antonio Diaz Diaz.
 #
 # This configure script is free software: you have unlimited permission
 # to copy, distribute, and modify it.
 
 pkgname=pdlzip
-pkgversion=1.12
+pkgversion=1.13-rc1
 progname=pdlzip
 srctrigger=doc/${progname}.1
 
@@ -24,6 +24,7 @@ CC=gcc
 CPPFLAGS=
 CFLAGS='-Wall -W -O2'
 LDFLAGS=
+MAKEINFO=makeinfo
 
 # checking whether we are using GNU C.
 /bin/sh -c "${CC} --version" > /dev/null 2>&1 || { CC=cc ; CFLAGS=-O2 ; }
@@ -57,7 +58,7 @@ while [ $# != 0 ] ; do
 		echo "Options and variables: [defaults in brackets]"
 		echo "  -h, --help            display this help and exit"
 		echo "  -V, --version         output version information and exit"
-		echo "  --srcdir=DIR          find the sources in DIR [. or ..]"
+		echo "  --srcdir=DIR          find the source code in DIR [. or ..]"
 		echo "  --prefix=DIR          install into DIR [${prefix}]"
 		echo "  --exec-prefix=DIR     base directory for arch-dependent files [${exec_prefix}]"
 		echo "  --bindir=DIR          user executables directory [${bindir}]"
@@ -65,10 +66,11 @@ while [ $# != 0 ] ; do
 		echo "  --infodir=DIR         info files directory [${infodir}]"
 		echo "  --mandir=DIR          man pages directory [${mandir}]"
 		echo "  CC=COMPILER           C compiler to use [${CC}]"
-		echo "  CPPFLAGS=OPTIONS      command line options for the preprocessor [${CPPFLAGS}]"
-		echo "  CFLAGS=OPTIONS        command line options for the C compiler [${CFLAGS}]"
+		echo "  CPPFLAGS=OPTIONS      command-line options for the preprocessor [${CPPFLAGS}]"
+		echo "  CFLAGS=OPTIONS        command-line options for the C compiler [${CFLAGS}]"
 		echo "  CFLAGS+=OPTIONS       append options to the current value of CFLAGS"
-		echo "  LDFLAGS=OPTIONS       command line options for the linker [${LDFLAGS}]"
+		echo "  LDFLAGS=OPTIONS       command-line options for the linker [${LDFLAGS}]"
+		echo "  MAKEINFO=NAME         makeinfo program to use [${MAKEINFO}]"
 		echo
 		exit 0 ;;
 	--version | -V)
@@ -96,6 +98,7 @@ while [ $# != 0 ] ; do
 	CFLAGS=*)      CFLAGS=${optarg} ;;
 	CFLAGS+=*)     CFLAGS="${CFLAGS} ${optarg}" ;;
 	LDFLAGS=*)    LDFLAGS=${optarg} ;;
+	MAKEINFO=*)  MAKEINFO=${optarg} ;;
 
 	--*)
 		echo "configure: WARNING: unrecognized option: '${option}'" 1>&2 ;;
@@ -115,7 +118,7 @@ while [ $# != 0 ] ; do
 	fi
 done
 
-# Find the source files, if location was not specified.
+# Find the source code, if location was not specified.
 srcdirtext=
 if [ -z "${srcdir}" ] ; then
 	srcdirtext="or . or .." ; srcdir=.
@@ -127,7 +130,7 @@ if [ -z "${srcdir}" ] ; then
 fi
 
 if [ ! -r "${srcdir}/${srctrigger}" ] ; then
-	echo "configure: Can't find sources in ${srcdir} ${srcdirtext}" 1>&2
+	echo "configure: Can't find source code in ${srcdir} ${srcdirtext}" 1>&2
 	echo "configure: (At least ${srctrigger} is missing)." 1>&2
 	exit 1
 fi
@@ -147,7 +150,7 @@ if [ -z "${no_create}" ] ; then
 # This script is free software: you have unlimited permission
 # to copy, distribute, and modify it.
 
-exec /bin/sh $0 ${args} --no-create
+exec /bin/sh "$0" ${args} --no-create
 EOF
 	chmod +x config.status
 fi
@@ -164,10 +167,11 @@ echo "CC = ${CC}"
 echo "CPPFLAGS = ${CPPFLAGS}"
 echo "CFLAGS = ${CFLAGS}"
 echo "LDFLAGS = ${LDFLAGS}"
+echo "MAKEINFO = ${MAKEINFO}"
 rm -f Makefile
 cat > Makefile << EOF
 # Makefile for Pdlzip - LZMA lossless data compressor
-# Copyright (C) 2010-2022 Antonio Diaz Diaz.
+# Copyright (C) 2010-2023 Antonio Diaz Diaz.
 # This file was generated automatically by configure. Don't edit.
 #
 # This Makefile is free software: you have unlimited permission
@@ -187,6 +191,7 @@ CC = ${CC}
 CPPFLAGS = ${CPPFLAGS}
 CFLAGS = ${CFLAGS}
 LDFLAGS = ${LDFLAGS}
+MAKEINFO = ${MAKEINFO}
 EOF
 cat "${srcdir}/Makefile.in" >> Makefile
 
diff --git a/doc/pdlzip.1 b/doc/pdlzip.1
index 57a144f..0e3e384 100644
--- a/doc/pdlzip.1
+++ b/doc/pdlzip.1
@@ -1,5 +1,5 @@
-.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.47.16.
-.TH PDLZIP "1" "January 2022" "pdlzip 1.12" "User Commands"
+.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.2.
+.TH PDLZIP "1" "December 2023" "pdlzip 1.13-rc1" "User Commands"
 .SH NAME
 pdlzip \- reduces the size of files
 .SH SYNOPSIS
@@ -13,14 +13,15 @@ Pdlzip is written in C and is (hope)fully compatible with lzip 1.4 or newer.
 .PP
 Lzip is a lossless data compressor with a user interface similar to the one
 of gzip or bzip2. Lzip uses a simplified form of the 'Lempel\-Ziv\-Markov
-chain\-Algorithm' (LZMA) stream format and provides a 3 factor integrity
-checking to maximize interoperability and optimize safety. Lzip can compress
-about as fast as gzip (lzip \fB\-0\fR) or compress most files more than bzip2
-(lzip \fB\-9\fR). Decompression speed is intermediate between gzip and bzip2.
-Lzip is better than gzip and bzip2 from a data recovery perspective. Lzip
-has been designed, written, and tested with great care to replace gzip and
-bzip2 as the standard general\-purpose compressed format for unix\-like
-systems.
+chain\-Algorithm' (LZMA) stream format to maximize interoperability. The
+maximum dictionary size is 512 MiB so that any lzip file can be decompressed
+on 32\-bit machines. Lzip provides accurate and robust 3\-factor integrity
+checking. Lzip can compress about as fast as gzip (lzip \fB\-0\fR) or compress most
+files more than bzip2 (lzip \fB\-9\fR). Decompression speed is intermediate between
+gzip and bzip2. Lzip is better than gzip and bzip2 from a data recovery
+perspective. Lzip has been designed, written, and tested with great care to
+replace gzip and bzip2 as the standard general\-purpose compressed format for
+Unix\-like systems.
 .PP
 Pdlzip is also able to decompress legacy lzma\-alone (.lzma) files.
 Lzma\-alone is a very bad format; it is essentially a raw LZMA stream.
@@ -42,7 +43,7 @@ exit with error status if trailing data
 write to standard output, keep input files
 .TP
 \fB\-d\fR, \fB\-\-decompress\fR
-decompress
+decompress, test compressed file integrity
 .TP
 \fB\-f\fR, \fB\-\-force\fR
 overwrite existing output files
@@ -87,22 +88,22 @@ If no file names are given, or if a file is '\-', pdlzip compresses or
 decompresses from standard input to standard output.
 Numbers may be followed by a multiplier: k = kB = 10^3 = 1000,
 Ki = KiB = 2^10 = 1024, M = 10^6, Mi = 2^20, G = 10^9, Gi = 2^30, etc...
-Dictionary sizes 12 to 27 are interpreted as powers of two, meaning 2^12
-to 2^27 bytes.
+Dictionary sizes 12 to 27 are interpreted as powers of two, meaning 2^12 to
+2^27 bytes.
 .PP
-The bidimensional parameter space of LZMA can't be mapped to a linear
-scale optimal for all files. If your files are large, very repetitive,
-etc, you may need to use the options \fB\-\-dictionary\-size\fR and \fB\-\-match\-length\fR
-directly to achieve optimal performance. For example, \fB\-9m64\fR usually
-compresses executables more (and faster) than \fB\-9\fR.
+The bidimensional parameter space of LZMA can't be mapped to a linear scale
+optimal for all files. If your files are large, very repetitive, etc, you
+may need to use the options \fB\-\-dictionary\-size\fR and \fB\-\-match\-length\fR directly
+to achieve optimal performance. For example, \fB\-9m64\fR usually compresses
+executables more (and faster) than \fB\-9\fR.
 .PP
 To extract all the files from archive 'foo.tar.lz', use the commands
 \&'tar \fB\-xf\fR foo.tar.lz' or 'pdlzip \fB\-cd\fR foo.tar.lz | tar \fB\-xf\fR \-'.
 .PP
-Exit status: 0 for a normal exit, 1 for environmental problems (file
-not found, invalid flags, I/O errors, etc), 2 to indicate a corrupt or
-invalid input file, 3 for an internal consistency error (e.g., bug) which
-caused pdlzip to panic.
+Exit status: 0 for a normal exit, 1 for environmental problems
+(file not found, invalid command\-line options, I/O errors, etc), 2 to
+indicate a corrupt or invalid input file, 3 for an internal consistency
+error (e.g., bug) which caused pdlzip to panic.
 .PP
 Pdlzip includes public domain compression/decompression code from the LZMA
 SDK (Software Development Kit) written by Igor Pavlov.
@@ -111,7 +112,7 @@ Report bugs to lzip\-bug@nongnu.org
 .br
 Pdlzip home page: http://www.nongnu.org/lzip/pdlzip.html
 .SH COPYRIGHT
-Copyright \(co 2022 Antonio Diaz Diaz.
+Copyright \(co 2023 Antonio Diaz Diaz.
 Public Domain 2009 Igor Pavlov.
 License 2\-clause BSD.
 .br
diff --git a/lzip.h b/lzip.h
index eed4e1c..7e7805a 100644
--- a/lzip.h
+++ b/lzip.h
@@ -1,5 +1,5 @@
 /* Pdlzip - LZMA lossless data compressor
-   Copyright (C) 2010-2022 Antonio Diaz Diaz.
+   Copyright (C) 2010-2023 Antonio Diaz Diaz.
 
    This program is free software. Redistribution and use in source and
    binary forms, with or without modification, are permitted provided
@@ -78,8 +78,8 @@ static inline void CRC32_update_buf( uint32_t * const crc,
 
 
 static inline bool isvalid_ds( const unsigned dictionary_size )
-  { return ( dictionary_size >= min_dictionary_size &&
-             dictionary_size <= max_dictionary_size ); }
+  { return dictionary_size >= min_dictionary_size &&
+           dictionary_size <= max_dictionary_size; }
 
 
 static inline int real_bits( unsigned value )
@@ -92,43 +92,43 @@ static inline int real_bits( unsigned value )
 
 static const uint8_t lzip_magic[4] = { 0x4C, 0x5A, 0x49, 0x50 }; /* "LZIP" */
 
-typedef uint8_t Lzip_header[6];		/* 0-3 magic bytes */
+enum { Lh_size = 6 };
+typedef uint8_t Lzip_header[Lh_size];	/* 0-3 magic bytes */
 					/*   4 version */
 					/*   5 coded dictionary size */
-enum { Lh_size = 6 };
 
 static inline void Lh_set_magic( Lzip_header data )
   { memcpy( data, lzip_magic, 4 ); data[4] = 1; }
 
-static inline bool Lh_verify_magic( const Lzip_header data )
-  { return ( memcmp( data, lzip_magic, 4 ) == 0 ); }
+static inline bool Lh_check_magic( const Lzip_header data )
+  { return memcmp( data, lzip_magic, 4 ) == 0; }
 
 /* detect (truncated) header */
-static inline bool Lh_verify_prefix( const Lzip_header data, const int sz )
+static inline bool Lh_check_prefix( const Lzip_header data, const int sz )
   {
   int i; for( i = 0; i < sz && i < 4; ++i )
     if( data[i] != lzip_magic[i] ) return false;
-  return ( sz > 0 );
+  return sz > 0;
   }
 
 /* detect corrupt header */
-static inline bool Lh_verify_corrupt( const Lzip_header data )
+static inline bool Lh_check_corrupt( const Lzip_header data )
   {
   int matches = 0;
   int i; for( i = 0; i < 4; ++i )
     if( data[i] == lzip_magic[i] ) ++matches;
-  return ( matches > 1 && matches < 4 );
+  return matches > 1 && matches < 4;
   }
 
 static inline uint8_t Lh_version( const Lzip_header data )
   { return data[4]; }
 
-static inline bool Lh_verify_version( const Lzip_header data )
-  { return ( data[4] == 1 ); }
+static inline bool Lh_check_version( const Lzip_header data )
+  { return data[4] == 1; }
 
 static inline unsigned Lh_get_dictionary_size( const Lzip_header data )
   {
-  unsigned sz = ( 1 << ( data[5] & 0x1F ) );
+  unsigned sz = 1 << ( data[5] & 0x1F );
   if( sz > min_dictionary_size )
     sz -= ( sz / 16 ) * ( ( data[5] >> 5 ) & 7 );
   return sz;
@@ -145,17 +145,17 @@ static inline bool Lh_set_dictionary_size( Lzip_header data, const unsigned sz )
     unsigned i;
     for( i = 7; i >= 1; --i )
       if( base_size - ( i * fraction ) >= sz )
-        { data[5] |= ( i << 5 ); break; }
+        { data[5] |= i << 5; break; }
     }
   return true;
   }
 
 
-typedef uint8_t Lzip_trailer[20];
+enum { Lt_size = 20 };
+typedef uint8_t Lzip_trailer[Lt_size];
 			/*  0-3  CRC32 of the uncompressed data */
 			/*  4-11 size of the uncompressed data */
 			/* 12-19 member size including header and trailer */
-enum { Lt_size = 20 };
 
 static inline unsigned Lt_get_data_crc( const Lzip_trailer data )
   {
diff --git a/main.c b/main.c
index b0fab06..0d3b659 100644
--- a/main.c
+++ b/main.c
@@ -1,6 +1,6 @@
 /* Pdlzip - LZMA lossless data compressor
    2009-08-14 : Igor Pavlov : Public domain
-   Copyright (C) 2010-2022 Antonio Diaz Diaz.
+   Copyright (C) 2010-2023 Antonio Diaz Diaz.
 
    This program is free software. Redistribution and use in source and
    binary forms, with or without modification, are permitted provided
@@ -19,19 +19,19 @@
 */
 /*
    Exit status: 0 for a normal exit, 1 for environmental problems
-   (file not found, invalid flags, I/O errors, etc), 2 to indicate a
-   corrupt or invalid input file, 3 for an internal consistency error
-   (e.g., bug) which caused pdlzip to panic.
+   (file not found, invalid command-line options, I/O errors, etc), 2 to
+   indicate a corrupt or invalid input file, 3 for an internal consistency
+   error (e.g., bug) which caused pdlzip to panic.
 */
 
 #define _FILE_OFFSET_BITS 64
 
 #include <errno.h>
 #include <fcntl.h>
-#include <limits.h>
+#include <limits.h>		/* SSIZE_MAX */
 #include <signal.h>
 #include <stdbool.h>
-#include <stdint.h>
+#include <stdint.h>		/* SIZE_MAX */
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -85,7 +85,7 @@ static void show_file_error( const char * const filename,
 static void internal_error( const char * const msg );
 
 static const char * const program_name = "pdlzip";
-static const char * const program_year = "2022";
+static const char * const program_year = "2023";
 static const char * invocation_name = "pdlzip";		/* default value */
 
 static const struct { const char * from; const char * to; } known_extensions[] = {
@@ -117,14 +117,15 @@ static void show_help( void )
           "Pdlzip is written in C and is (hope)fully compatible with lzip 1.4 or newer.\n"
           "\nLzip is a lossless data compressor with a user interface similar to the one\n"
           "of gzip or bzip2. Lzip uses a simplified form of the 'Lempel-Ziv-Markov\n"
-          "chain-Algorithm' (LZMA) stream format and provides a 3 factor integrity\n"
-          "checking to maximize interoperability and optimize safety. Lzip can compress\n"
-          "about as fast as gzip (lzip -0) or compress most files more than bzip2\n"
-          "(lzip -9). Decompression speed is intermediate between gzip and bzip2.\n"
-          "Lzip is better than gzip and bzip2 from a data recovery perspective. Lzip\n"
-          "has been designed, written, and tested with great care to replace gzip and\n"
-          "bzip2 as the standard general-purpose compressed format for unix-like\n"
-          "systems.\n"
+          "chain-Algorithm' (LZMA) stream format to maximize interoperability. The\n"
+          "maximum dictionary size is 512 MiB so that any lzip file can be decompressed\n"
+          "on 32-bit machines. Lzip provides accurate and robust 3-factor integrity\n"
+          "checking. Lzip can compress about as fast as gzip (lzip -0) or compress most\n"
+          "files more than bzip2 (lzip -9). Decompression speed is intermediate between\n"
+          "gzip and bzip2. Lzip is better than gzip and bzip2 from a data recovery\n"
+          "perspective. Lzip has been designed, written, and tested with great care to\n"
+          "replace gzip and bzip2 as the standard general-purpose compressed format for\n"
+          "Unix-like systems.\n"
           "\nPdlzip is also able to decompress legacy lzma-alone (.lzma) files.\n"
           "Lzma-alone is a very bad format; it is essentially a raw LZMA stream.\n"
           "If you keep any lzma-alone files, it is advisable to recompress them to\n"
@@ -136,7 +137,7 @@ static void show_help( void )
           "  -V, --version                  output version information and exit\n"
           "  -a, --trailing-error           exit with error status if trailing data\n"
           "  -c, --stdout                   write to standard output, keep input files\n"
-          "  -d, --decompress               decompress\n"
+          "  -d, --decompress               decompress, test compressed file integrity\n"
           "  -f, --force                    overwrite existing output files\n"
           "  -F, --recompress               force re-compression of compressed files\n"
           "  -k, --keep                     keep (don't delete) input files\n"
@@ -154,19 +155,19 @@ static void show_help( void )
           "decompresses from standard input to standard output.\n"
           "Numbers may be followed by a multiplier: k = kB = 10^3 = 1000,\n"
           "Ki = KiB = 2^10 = 1024, M = 10^6, Mi = 2^20, G = 10^9, Gi = 2^30, etc...\n"
-          "Dictionary sizes 12 to 27 are interpreted as powers of two, meaning 2^12\n"
-          "to 2^27 bytes.\n"
-          "\nThe bidimensional parameter space of LZMA can't be mapped to a linear\n"
-          "scale optimal for all files. If your files are large, very repetitive,\n"
-          "etc, you may need to use the options --dictionary-size and --match-length\n"
-          "directly to achieve optimal performance. For example, -9m64 usually\n"
-          "compresses executables more (and faster) than -9.\n"
+          "Dictionary sizes 12 to 27 are interpreted as powers of two, meaning 2^12 to\n"
+          "2^27 bytes.\n"
+          "\nThe bidimensional parameter space of LZMA can't be mapped to a linear scale\n"
+          "optimal for all files. If your files are large, very repetitive, etc, you\n"
+          "may need to use the options --dictionary-size and --match-length directly\n"
+          "to achieve optimal performance. For example, -9m64 usually compresses\n"
+          "executables more (and faster) than -9.\n"
           "\nTo extract all the files from archive 'foo.tar.lz', use the commands\n"
           "'tar -xf foo.tar.lz' or 'pdlzip -cd foo.tar.lz | tar -xf -'.\n"
-          "\nExit status: 0 for a normal exit, 1 for environmental problems (file\n"
-          "not found, invalid flags, I/O errors, etc), 2 to indicate a corrupt or\n"
-          "invalid input file, 3 for an internal consistency error (e.g., bug) which\n"
-          "caused pdlzip to panic.\n"
+          "\nExit status: 0 for a normal exit, 1 for environmental problems\n"
+          "(file not found, invalid command-line options, I/O errors, etc), 2 to\n"
+          "indicate a corrupt or invalid input file, 3 for an internal consistency\n"
+          "error (e.g., bug) which caused pdlzip to panic.\n"
           "\nPdlzip includes public domain compression/decompression code from the LZMA\n"
           "SDK (Software Development Kit) written by Igor Pavlov.\n"
           "\nReport bugs to lzip-bug@nongnu.org\n"
@@ -262,27 +263,26 @@ static void Pp_show_msg( struct Pretty_print * const pp, const char * const msg
 
 static void show_header( const unsigned dictionary_size )
   {
-  enum { factor = 1024 };
-  const char * const prefix[8] =
-    { "Ki", "Mi", "Gi", "Ti", "Pi", "Ei", "Zi", "Yi" };
+  enum { factor = 1024, n = 3 };
+  const char * const prefix[n] = { "Ki", "Mi", "Gi" };
   const char * p = "";
   const char * np = "  ";
   unsigned num = dictionary_size;
   bool exact = ( num % factor == 0 );
 
-  int i; for( i = 0; i < 8 && ( num > 9999 || ( exact && num >= factor ) ); ++i )
+  int i; for( i = 0; i < n && ( num > 9999 || ( exact && num >= factor ) ); ++i )
     { num /= factor; if( num % factor != 0 ) exact = false;
       p = prefix[i]; np = ""; }
   fprintf( stderr, "dict %s%4u %sB, ", np, num, p );
   }
 
 
-/* separate large numbers >= 100_000 in groups of 3 digits using '_' */
+/* separate numbers of 5 or more digits in groups of 3 digits using '_' */
 static const char * format_num3( unsigned long long num )
   {
-  const char * const si_prefix = "kMGTPEZY";
-  const char * const binary_prefix = "KMGTPEZY";
-  enum { buffers = 8, bufsize = 4 * sizeof (long long) };
+  enum { buffers = 8, bufsize = 4 * sizeof num, n = 10 };
+  const char * const si_prefix = "kMGTPEZYRQ";
+  const char * const binary_prefix = "KMGTPEZYRQ";
   static char buffer[buffers][bufsize];	/* circle of static buffers for printf */
   static int current = 0;
   int i;
@@ -292,15 +292,15 @@ static const char * format_num3( unsigned long long num )
   if( num > 1024 )
     {
     char prefix = 0;			/* try binary first, then si */
-    for( i = 0; i < 8 && num >= 1024 && num % 1024 == 0; ++i )
+    for( i = 0; i < n && num != 0 && num % 1024 == 0; ++i )
       { num /= 1024; prefix = binary_prefix[i]; }
     if( prefix ) *(--p) = 'i';
     else
-      for( i = 0; i < 8 && num >= 1000 && num % 1000 == 0; ++i )
+      for( i = 0; i < n && num != 0 && num % 1000 == 0; ++i )
         { num /= 1000; prefix = si_prefix[i]; }
     if( prefix ) *(--p) = prefix;
     }
-  const bool split = num >= 100000;
+  const bool split = num >= 10000;
 
   for( i = 0; ; )
     {
@@ -311,6 +311,16 @@ static const char * format_num3( unsigned long long num )
   }
 
 
+void show_option_error( const char * const arg, const char * const msg,
+                        const char * const option_name )
+  {
+  if( verbosity >= 0 )
+    fprintf( stderr, "%s: '%s': %s option '%s'.\n",
+             program_name, arg, msg, option_name );
+  }
+
+
+/* Recognized formats: <num>k, <num>Ki, <num>[MGTPEZYRQ][i] */
 static unsigned long getnum( const char * const arg,
                              const char * const option_name,
                              const unsigned long llimit,
@@ -320,12 +330,8 @@ static unsigned long getnum( const char * const arg,
   errno = 0;
   unsigned long result = strtoul( arg, &tail, 0 );
   if( tail == arg )
-    {
-    if( verbosity >= 0 )
-      fprintf( stderr, "%s: Bad or missing numerical argument in "
-               "option '%s'.\n", program_name, option_name );
-    exit( 1 );
-    }
+    { show_option_error( arg, "Bad or missing numerical argument in",
+                         option_name ); exit( 1 ); }
 
   if( !errno && tail[0] )
     {
@@ -334,6 +340,8 @@ static unsigned long getnum( const char * const arg,
     int i;
     switch( tail[0] )
       {
+      case 'Q': exponent = 10; break;
+      case 'R': exponent = 9; break;
       case 'Y': exponent = 8; break;
       case 'Z': exponent = 7; break;
       case 'E': exponent = 6; break;
@@ -345,12 +353,8 @@ static unsigned long getnum( const char * const arg,
       case 'k': if( factor == 1000 ) exponent = 1; break;
       }
     if( exponent <= 0 )
-      {
-      if( verbosity >= 0 )
-        fprintf( stderr, "%s: Bad multiplier in numerical argument of "
-                 "option '%s'.\n", program_name, option_name );
-      exit( 1 );
-      }
+      { show_option_error( arg, "Bad multiplier in numerical argument of",
+                           option_name ); exit( 1 ); }
     for( i = 0; i < exponent; ++i )
       {
       if( ulimit / factor >= result ) result *= factor;
@@ -361,8 +365,8 @@ static unsigned long getnum( const char * const arg,
   if( errno )
     {
     if( verbosity >= 0 )
-      fprintf( stderr, "%s: Numerical argument out of limits [%s,%s] "
-               "in option '%s'.\n", program_name, format_num3( llimit ),
+      fprintf( stderr, "%s: '%s': Value out of limits [%s,%s] in "
+               "option '%s'.\n", program_name, arg, format_num3( llimit ),
                format_num3( ulimit ), option_name );
     exit( 1 );
     }
@@ -442,7 +446,7 @@ static void set_d_outname( const char * const name, const int eindex )
   strcpy( output_filename, name );
   strcat( output_filename, ".out" );
   if( verbosity >= 1 )
-    fprintf( stderr, "%s: Can't guess original name for '%s' -- using '%s'\n",
+    fprintf( stderr, "%s: %s: Can't guess original name -- using '%s'\n",
              program_name, name, output_filename );
   }
 
@@ -454,7 +458,7 @@ static int open_instream( const char * const name, struct stat * const in_statsp
   if( program_mode == m_compress && !recompress && eindex >= 0 )
     {
     if( verbosity >= 0 )
-      fprintf( stderr, "%s: Input file '%s' already has '%s' suffix.\n",
+      fprintf( stderr, "%s: %s: Input file already has '%s' suffix.\n",
                program_name, name, known_extensions[eindex].from );
     return -1;
     }
@@ -471,9 +475,9 @@ static int open_instream( const char * const name, struct stat * const in_statsp
     if( i != 0 || ( !S_ISREG( mode ) && ( !can_read || one_to_one ) ) )
       {
       if( verbosity >= 0 )
-        fprintf( stderr, "%s: Input file '%s' is not a regular file%s.\n",
+        fprintf( stderr, "%s: %s: Input file is not a regular file%s.\n",
                  program_name, name, ( can_read && one_to_one ) ?
-                 ",\n        and neither '-c' nor '-o' were specified" : "" );
+                 ",\n  and neither '-c' nor '-o' were specified" : "" );
       close( infd );
       infd = -1;
       }
@@ -492,16 +496,12 @@ static bool open_outstream( const bool force, const bool protect )
 
   outfd = open( output_filename, flags, outfd_mode );
   if( outfd >= 0 ) delete_output_on_interrupt = true;
-  else if( verbosity >= 0 )
-    {
-    if( errno == EEXIST )
-      fprintf( stderr, "%s: Output file '%s' already exists, skipping.\n",
-               program_name, output_filename );
-    else
-      fprintf( stderr, "%s: Can't create output file '%s': %s\n",
-               program_name, output_filename, strerror( errno ) );
-    }
-  return ( outfd >= 0 );
+  else if( errno == EEXIST )
+    show_file_error( output_filename,
+                     "Output file already exists, skipping.", 0 );
+  else
+    show_file_error( output_filename, "Can't create output file", errno );
+  return outfd >= 0;
   }
 
 
@@ -519,12 +519,10 @@ static void cleanup_and_fail( const int retval )
   if( delete_output_on_interrupt )
     {
     delete_output_on_interrupt = false;
-    if( verbosity >= 0 )
-      fprintf( stderr, "%s: Deleting output file '%s', if it exists.\n",
-               program_name, output_filename );
+    show_file_error( output_filename, "Deleting output file, if it exists.", 0 );
     if( outfd >= 0 ) { close( outfd ); outfd = -1; }
     if( remove( output_filename ) != 0 && errno != ENOENT )
-      show_error( "WARNING: deletion of output file (apparently) failed.", 0, false );
+      show_error( "warning: deletion of output file failed", errno, false );
     }
   exit( retval );
   }
@@ -578,10 +576,8 @@ static void close_and_set_permissions( const struct stat * const in_statsp )
         warning = true;
     }
   if( close( outfd ) != 0 )
-    {
-    show_error( "Error closing output file", errno, false );
-    cleanup_and_fail( 1 );
-    }
+    { show_file_error( output_filename, "Error closing output file", errno );
+      cleanup_and_fail( 1 ); }
   outfd = -1;
   delete_output_on_interrupt = false;
   if( in_statsp )
@@ -592,12 +588,13 @@ static void close_and_set_permissions( const struct stat * const in_statsp )
     if( utime( output_filename, &t ) != 0 ) warning = true;
     }
   if( warning && verbosity >= 1 )
-    show_error( "Can't change output file attributes.", 0, false );
+    show_file_error( output_filename,
+                     "warning: can't change output file attributes", errno );
   }
 
 
-static int compress( const struct Lzma_options * const encoder_options,
-                     struct Pretty_print * const pp, const int infd )
+static int compress( const int infd, const struct Lzma_options * const
+                     encoder_options, struct Pretty_print * const pp )
   {
   int retval = 0;
   CLzmaEncHandle encoder = 0;
@@ -855,7 +852,7 @@ static int decompress( const int infd, struct Pretty_print * const pp,
   for( first_member = true; ; first_member = false )
     {
     int i;
-    unsigned dictionary_size = 0;		/* keep gcc 3.3.6 happy */
+    unsigned dictionary_size = 0;		/* keep gcc 3.3.6 quiet */
     Lzip_header header;
     if( inSize - inPos < lzma_header_size &&
         !read_inbuf( infd, inBuf, &inPos, &inSize ) ) return 1;
@@ -867,18 +864,18 @@ static int decompress( const int infd, struct Pretty_print * const pp,
       if( first_member )
         { show_file_error( pp->name, "File ends unexpectedly at member header.", 0 );
           retval = 2; }
-      else if( Lh_verify_prefix( header, size ) )
+      else if( Lh_check_prefix( header, size ) )
         { Pp_show_msg( pp, "Truncated header in multimember file." );
           retval = 2; }
       else if( size > 0 && !ignore_trailing )
         { Pp_show_msg( pp, trailing_msg ); retval = 2; }
       break;
       }
-    if( !Lh_verify_magic( header ) )
+    if( !Lh_check_magic( header ) )
       {
       if( !first_member )
         {
-        if( !loose_trailing && Lh_verify_corrupt( header ) )
+        if( !loose_trailing && Lh_check_corrupt( header ) )
           { Pp_show_msg( pp, "Corrupt header in multimember file." );
             retval = 2; }
         else if( !ignore_trailing )
@@ -909,7 +906,7 @@ static int decompress( const int infd, struct Pretty_print * const pp,
       }
     if( lzip_mode )
       {
-      if( !Lh_verify_version( header ) )
+      if( !Lh_check_version( header ) )
         {
         if( verbosity >= 0 )
           { Pp_show_msg( pp, 0 );
@@ -1023,8 +1020,8 @@ static void internal_error( const char * const msg )
 
 int main( const int argc, const char * const argv[] )
   {
-  /* Mapping from gzip/bzip2 style 1..9 compression modes
-     to the corresponding LZMA compression modes. */
+  /* Mapping from gzip/bzip2 style 0..9 compression levels to the
+     corresponding LZMA compression parameters. */
   const struct Lzma_options option_mapping[] =
     {
     { 1 << 16,   5 },		/* -0 */
@@ -1124,7 +1121,7 @@ int main( const int argc, const char * const argv[] )
       case 'v': if( verbosity < 4 ) ++verbosity; break;
       case 'V': show_version(); return 0;
       case opt_lt: loose_trailing = true; break;
-      default : internal_error( "uncaught option." );
+      default: internal_error( "uncaught option." );
       }
     } /* end process options */
 
@@ -1187,7 +1184,7 @@ int main( const int argc, const char * const argv[] )
                             eindex, one_to_one, recompress );
       if( infd < 0 ) { set_retval( &retval, 1 ); continue; }
       if( !check_tty_in( pp.name, infd, program_mode, &retval ) ) continue;
-      if( one_to_one )			/* open outfd after verifying infd */
+      if( one_to_one )			/* open outfd after checking infd */
         {
         if( program_mode == m_compress )
           set_c_outname( input_filename, true, true );
@@ -1200,7 +1197,7 @@ int main( const int argc, const char * const argv[] )
     if( one_to_one && !check_tty_out( program_mode ) )
       { set_retval( &retval, 1 ); return retval; }	/* don't delete a tty */
 
-    if( to_file && outfd < 0 )		/* open outfd after verifying infd */
+    if( to_file && outfd < 0 )		/* open outfd after checking infd */
       {
       if( program_mode == m_compress ) set_c_outname( default_output_filename,
                                        filenames_given, false );
@@ -1216,10 +1213,10 @@ int main( const int argc, const char * const argv[] )
       ( input_filename[0] && one_to_one ) ? &in_stats : 0;
     int tmp;
     if( program_mode == m_compress )
-      tmp = compress( &encoder_options, &pp, infd );
+      tmp = compress( infd, &encoder_options, &pp );
     else
-      tmp = decompress( infd, &pp, ignore_trailing,
-                        loose_trailing, program_mode == m_test );
+      tmp = decompress( infd, &pp, ignore_trailing, loose_trailing,
+                        program_mode == m_test );
     if( close( infd ) != 0 )
       { show_file_error( pp.name, "Error closing input file", errno );
         set_retval( &tmp, 1 ); }
diff --git a/testsuite/check.sh b/testsuite/check.sh
index c2e22a7..8c18a1c 100755
--- a/testsuite/check.sh
+++ b/testsuite/check.sh
@@ -1,6 +1,6 @@
 #! /bin/sh
 # check script for Pdlzip - LZMA lossless data compressor
-# Copyright (C) 2010-2022 Antonio Diaz Diaz.
+# Copyright (C) 2010-2023 Antonio Diaz Diaz.
 #
 # This script is free software: you have unlimited permission
 # to copy, distribute, and modify it.
@@ -67,7 +67,7 @@ done
 [ $? = 1 ] || test_failed $LINENO
 [ ! -e out.lz ] || test_failed $LINENO
 # these are for code coverage
-"${LZIP}" -cdt "${in_lz}" > out 2> /dev/null
+"${LZIP}" -cdt "${in_lz}" 2> /dev/null
 [ $? = 1 ] || test_failed $LINENO
 "${LZIP}" -t -- nx_file.lz 2> /dev/null
 [ $? = 1 ] || test_failed $LINENO
@@ -92,46 +92,46 @@ done
 printf "LZIP\001-.............................." | "${LZIP}" -t 2> /dev/null
 printf "LZIP\002-.............................." | "${LZIP}" -t 2> /dev/null
 printf "LZIP\001+.............................." | "${LZIP}" -t 2> /dev/null
-rm -f out || framework_failure
 
 printf "\ntesting decompression..."
 
 for i in "${in_lz}" "${in_em}" "${testdir}"/test.txt.lzma ; do
 	"${LZIP}" -t "$i" || test_failed $LINENO "$i"
-	"${LZIP}" -d "$i" -o copy || test_failed $LINENO "$i"
-	cmp in copy || test_failed $LINENO "$i"
-	"${LZIP}" -cd "$i" > copy || test_failed $LINENO "$i"
-	cmp in copy || test_failed $LINENO "$i"
-	"${LZIP}" -d "$i" -o - > copy || test_failed $LINENO "$i"
-	cmp in copy || test_failed $LINENO "$i"
-	"${LZIP}" -d < "$i" > copy || test_failed $LINENO "$i"
-	cmp in copy || test_failed $LINENO "$i"
-	rm -f copy || framework_failure
+	"${LZIP}" -d "$i" -o out || test_failed $LINENO "$i"
+	cmp in out || test_failed $LINENO "$i"
+	"${LZIP}" -cd "$i" > out || test_failed $LINENO "$i"
+	cmp in out || test_failed $LINENO "$i"
+	"${LZIP}" -d "$i" -o - > out || test_failed $LINENO "$i"
+	cmp in out || test_failed $LINENO "$i"
+	"${LZIP}" -d < "$i" > out || test_failed $LINENO "$i"
+	cmp in out || test_failed $LINENO "$i"
+	rm -f out || framework_failure
 done
 
-lines=$("${LZIP}" -tvv "${in_em}" 2>&1 | wc -l) || test_failed $LINENO
+lines=`"${LZIP}" -tvv "${in_em}" 2>&1 | wc -l` || test_failed $LINENO
 [ "${lines}" -eq 8 ] || test_failed $LINENO "${lines}"
 
-"${LZIP}" -cd "${fox_lz}" > fox || test_failed $LINENO
-cat "${in_lz}" > copy.lz || framework_failure
-"${LZIP}" -dk copy.lz || test_failed $LINENO
-cmp in copy || test_failed $LINENO
-cat fox > copy || framework_failure
 cat "${in_lz}" > out.lz || framework_failure
+"${LZIP}" -dk out.lz || test_failed $LINENO
+cmp in out || test_failed $LINENO
 rm -f out || framework_failure
+"${LZIP}" -cd "${fox_lz}" > fox || test_failed $LINENO
+cat fox > copy || framework_failure
+cat "${in_lz}" > copy.lz || framework_failure
 "${LZIP}" -d copy.lz out.lz 2> /dev/null	# skip copy, decompress out
 [ $? = 1 ] || test_failed $LINENO
+[ ! -e out.lz ] || test_failed $LINENO
 cmp fox copy || test_failed $LINENO
 cmp in out || test_failed $LINENO
 "${LZIP}" -df copy.lz || test_failed $LINENO
 [ ! -e copy.lz ] || test_failed $LINENO
 cmp in copy || test_failed $LINENO
-rm -f out || framework_failure
+rm -f copy out || framework_failure
 
-printf "to be overwritten" > copy || framework_failure
-"${LZIP}" -df -o copy < "${in_lz}" || test_failed $LINENO
-cmp in copy || test_failed $LINENO
-rm -f out copy || framework_failure
+printf "to be overwritten" > out || framework_failure
+"${LZIP}" -df -o out < "${in_lz}" || test_failed $LINENO
+cmp in out || test_failed $LINENO
+rm -f out || framework_failure
 "${LZIP}" -d -o ./- "${in_lz}" || test_failed $LINENO
 cmp in ./- || test_failed $LINENO
 rm -f ./- || framework_failure
@@ -140,75 +140,85 @@ cmp in ./- || test_failed $LINENO
 rm -f ./- || framework_failure
 
 cat "${in_lz}" > anyothername || framework_failure
-"${LZIP}" -dv - anyothername - < "${in_lz}" > copy 2> /dev/null ||
+"${LZIP}" -dv - anyothername - < "${in_lz}" > out 2> /dev/null ||
 	test_failed $LINENO
-cmp in copy || test_failed $LINENO
+cmp in out || test_failed $LINENO
 cmp in anyothername.out || test_failed $LINENO
-rm -f copy anyothername.out || framework_failure
+rm -f out anyothername.out || framework_failure
 
 "${LZIP}" -tq in "${in_lz}"
 [ $? = 2 ] || test_failed $LINENO
 "${LZIP}" -tq nx_file.lz "${in_lz}"
 [ $? = 1 ] || test_failed $LINENO
-"${LZIP}" -cdq in "${in_lz}" > copy
+"${LZIP}" -cdq in "${in_lz}" > out
 [ $? = 2 ] || test_failed $LINENO
-cat copy in | cmp in - || test_failed $LINENO		# copy must be empty
-"${LZIP}" -cdq nx_file.lz "${in_lz}" > copy
+cat out in | cmp in - || test_failed $LINENO		# out must be empty
+"${LZIP}" -cdq nx_file.lz "${in_lz}" > out	# skip nx_file, decompress in
 [ $? = 1 ] || test_failed $LINENO
-cmp in copy || test_failed $LINENO
-rm -f copy || framework_failure
-cat "${in_lz}" > copy.lz || framework_failure
+cmp in out || test_failed $LINENO
+rm -f out || framework_failure
+cat "${in_lz}" > out.lz || framework_failure
 for i in 1 2 3 4 5 6 7 ; do
-	printf "g" >> copy.lz || framework_failure
-	"${LZIP}" -atvvvv copy.lz "${in_lz}" 2> /dev/null
+	printf "g" >> out.lz || framework_failure
+	"${LZIP}" -atvvvv out.lz "${in_lz}" 2> /dev/null
 	[ $? = 2 ] || test_failed $LINENO $i
 done
-"${LZIP}" -dq in copy.lz
+"${LZIP}" -dq in out.lz
 [ $? = 2 ] || test_failed $LINENO
-[ -e copy.lz ] || test_failed $LINENO
-[ ! -e copy ] || test_failed $LINENO
+[ -e out.lz ] || test_failed $LINENO
+[ ! -e out ] || test_failed $LINENO
 [ ! -e in.out ] || test_failed $LINENO
-"${LZIP}" -dq nx_file.lz copy.lz
+"${LZIP}" -dq nx_file.lz out.lz
 [ $? = 1 ] || test_failed $LINENO
-[ ! -e copy.lz ] || test_failed $LINENO
+[ ! -e out.lz ] || test_failed $LINENO
 [ ! -e nx_file ] || test_failed $LINENO
-cmp in copy || test_failed $LINENO
+cmp in out || test_failed $LINENO
+rm -f out || framework_failure
 
 cat in in > in2 || framework_failure
 "${LZIP}" -t "${in_lz}" "${in_lz}" || test_failed $LINENO
-"${LZIP}" -cd "${in_lz}" "${in_lz}" -o out > copy2 || test_failed $LINENO
+"${LZIP}" -cd "${in_lz}" "${in_lz}" -o out > out2 || test_failed $LINENO
 [ ! -e out ] || test_failed $LINENO			# override -o
-cmp in2 copy2 || test_failed $LINENO
-rm -f copy2 || framework_failure
-"${LZIP}" -d "${in_lz}" "${in_lz}" -o copy2 || test_failed $LINENO
-cmp in2 copy2 || test_failed $LINENO
-rm -f copy2 || framework_failure
+cmp in2 out2 || test_failed $LINENO
+rm -f out2 || framework_failure
+"${LZIP}" -d "${in_lz}" "${in_lz}" -o out2 || test_failed $LINENO
+cmp in2 out2 || test_failed $LINENO
+rm -f out2 || framework_failure
 
-cat "${in_lz}" "${in_lz}" > copy2.lz || framework_failure
-printf "\ngarbage" >> copy2.lz || framework_failure
-"${LZIP}" -tvvvv copy2.lz 2> /dev/null || test_failed $LINENO
-"${LZIP}" -atq copy2.lz
+cat "${in_lz}" "${in_lz}" > out2.lz || framework_failure
+printf "\ngarbage" >> out2.lz || framework_failure
+"${LZIP}" -tvvvv out2.lz 2> /dev/null || test_failed $LINENO
+"${LZIP}" -atq out2.lz
 [ $? = 2 ] || test_failed $LINENO
-"${LZIP}" -atq < copy2.lz
+"${LZIP}" -atq < out2.lz
 [ $? = 2 ] || test_failed $LINENO
-"${LZIP}" -adkq copy2.lz
+"${LZIP}" -adkq out2.lz
 [ $? = 2 ] || test_failed $LINENO
-[ ! -e copy2 ] || test_failed $LINENO
-"${LZIP}" -adkq -o copy2 < copy2.lz
+[ ! -e out2 ] || test_failed $LINENO
+"${LZIP}" -adkq -o out2 < out2.lz
 [ $? = 2 ] || test_failed $LINENO
-[ ! -e copy2 ] || test_failed $LINENO
-printf "to be overwritten" > copy2 || framework_failure
-"${LZIP}" -df copy2.lz || test_failed $LINENO
-cmp in2 copy2 || test_failed $LINENO
-rm -f in2 copy2 || framework_failure
+[ ! -e out2 ] || test_failed $LINENO
+printf "to be overwritten" > out2 || framework_failure
+"${LZIP}" -df out2.lz || test_failed $LINENO
+cmp in2 out2 || test_failed $LINENO
+rm -f out2 || framework_failure
 
 printf "\ntesting   compression..."
 
-"${LZIP}" -cf "${in_lz}" > out 2> /dev/null	# /dev/null is a tty on OS/2
+"${LZIP}" -c -0 in in in -o out3.lz > copy2.lz || test_failed $LINENO
+[ ! -e out3.lz ] || test_failed $LINENO			# override -o
+"${LZIP}" -0f in in --output=copy2.lz || test_failed $LINENO
+"${LZIP}" -d copy2.lz -o out2 || test_failed $LINENO
+[ -e copy2.lz ] || test_failed $LINENO
+cmp in2 out2 || test_failed $LINENO
+rm -f in2 out2 copy2.lz || framework_failure
+
+"${LZIP}" -cf "${in_lz}" > lzlz 2> /dev/null	# /dev/null is a tty on OS/2
 [ $? = 1 ] || test_failed $LINENO
-"${LZIP}" -Fvvm36 -o - -s16 "${in_lz}" > out 2> /dev/null || test_failed $LINENO
-"${LZIP}" -cd out | "${LZIP}" -d > copy || test_failed $LINENO
-cmp in copy || test_failed $LINENO
+"${LZIP}" -Fvvm36 -o - -s16 "${in_lz}" > lzlz 2> /dev/null || test_failed $LINENO
+"${LZIP}" -cd lzlz | "${LZIP}" -d > out || test_failed $LINENO
+cmp in out || test_failed $LINENO
+rm -f lzlz out || framework_failure
 
 "${LZIP}" -0 -o ./- in || test_failed $LINENO
 "${LZIP}" -cd ./- | cmp in - || test_failed $LINENO
@@ -220,10 +230,10 @@ rm -f ./-.lz || framework_failure
 
 for i in s4Ki 0 1 2 3 4 5 6 7 8 9 ; do
 	"${LZIP}" -k -$i -s16 in || test_failed $LINENO $i
-	mv -f in.lz copy.lz || test_failed $LINENO $i
-	printf "garbage" >> copy.lz || framework_failure
-	"${LZIP}" -df copy.lz || test_failed $LINENO $i
-	cmp in copy || test_failed $LINENO $i
+	mv in.lz out.lz || test_failed $LINENO $i
+	printf "garbage" >> out.lz || framework_failure
+	"${LZIP}" -df out.lz || test_failed $LINENO $i
+	cmp in out || test_failed $LINENO $i
 
 	"${LZIP}" -$i -s16 in -c > out || test_failed $LINENO $i
 	"${LZIP}" -$i -s16 in -o o_out || test_failed $LINENO $i # don't add .lz
@@ -245,18 +255,18 @@ for i in s4Ki 0 1 2 3 4 5 6 7 8 9 ; do
 	"${LZIP}" -df -o copy < out.lz || test_failed $LINENO $i
 	cmp in copy || test_failed $LINENO $i
 done
-rm -f out out.lz || framework_failure
+rm -f copy out.lz || framework_failure
 
 printf "\ntesting bad input..."
 
 headers='LZIp LZiP LZip LzIP LzIp LziP lZIP lZIp lZiP lzIP'
 body='\001\014\000\203\377\373\377\377\300\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000$\000\000\000\000\000\000\000'
-cat "${in_lz}" > int.lz
-printf "LZIP${body}" >> int.lz
+cat "${in_lz}" > int.lz || framework_failure
+printf "LZIP${body}" >> int.lz || framework_failure
 if "${LZIP}" -tq int.lz ; then
 	for header in ${headers} ; do
-		printf "${header}${body}" > int.lz	# first member
-		"${LZIP}" -tq int.lz
+		printf "${header}${body}" > int.lz || framework_failure
+		"${LZIP}" -tq int.lz			# first member
 		[ $? = 2 ] || test_failed $LINENO ${header}
 		"${LZIP}" -tq < int.lz
 		[ $? = 2 ] || test_failed $LINENO ${header}
@@ -268,9 +278,9 @@ if "${LZIP}" -tq int.lz ; then
 		[ $? = 2 ] || test_failed $LINENO ${header}
 		"${LZIP}" -cdq --loose-trailing int.lz > /dev/null
 		[ $? = 2 ] || test_failed $LINENO ${header}
-		cat "${in_lz}" > int.lz
-		printf "${header}${body}" >> int.lz	# trailing data
-		"${LZIP}" -tq int.lz
+		cat "${in_lz}" > int.lz || framework_failure
+		printf "${header}${body}" >> int.lz || framework_failure
+		"${LZIP}" -tq int.lz			# trailing data
 		[ $? = 2 ] || test_failed $LINENO ${header}
 		"${LZIP}" -tq < int.lz
 		[ $? = 2 ] || test_failed $LINENO ${header}
@@ -317,15 +327,15 @@ if dd if=in3.lz of=trunc.lz bs=14752 count=1 2> /dev/null &&
 		[ $? = 2 ] || test_failed $LINENO $i
 		"${LZIP}" -tq < trunc.lz
 		[ $? = 2 ] || test_failed $LINENO $i
-		"${LZIP}" -cdq trunc.lz > out
+		"${LZIP}" -cdq trunc.lz > /dev/null
 		[ $? = 2 ] || test_failed $LINENO $i
-		"${LZIP}" -dq < trunc.lz > out
+		"${LZIP}" -dq < trunc.lz > /dev/null
 		[ $? = 2 ] || test_failed $LINENO $i
 	done
 else
 	printf "\nwarning: skipping truncation test: 'dd' does not work on your system."
 fi
-rm -f in2.lz in3.lz trunc.lz out || framework_failure
+rm -f in2.lz in3.lz trunc.lz || framework_failure
 
 cat "${in_lz}" > ingin.lz || framework_failure
 printf "g" >> ingin.lz || framework_failure
@@ -334,17 +344,17 @@ cat "${in_lz}" >> ingin.lz || framework_failure
 [ $? = 2 ] || test_failed $LINENO
 "${LZIP}" -atq < ingin.lz
 [ $? = 2 ] || test_failed $LINENO
-"${LZIP}" -acdq ingin.lz > out
+"${LZIP}" -acdq ingin.lz > /dev/null
 [ $? = 2 ] || test_failed $LINENO
-"${LZIP}" -adq < ingin.lz > out
+"${LZIP}" -adq < ingin.lz > /dev/null
 [ $? = 2 ] || test_failed $LINENO
 "${LZIP}" -t ingin.lz || test_failed $LINENO
 "${LZIP}" -t < ingin.lz || test_failed $LINENO
-"${LZIP}" -cd ingin.lz > copy || test_failed $LINENO
-cmp in copy || test_failed $LINENO
-"${LZIP}" -d < ingin.lz > copy || test_failed $LINENO
-cmp in copy || test_failed $LINENO
-rm -f copy ingin.lz out || framework_failure
+"${LZIP}" -cd ingin.lz > out || test_failed $LINENO
+cmp in out || test_failed $LINENO
+"${LZIP}" -d < ingin.lz > out || test_failed $LINENO
+cmp in out || test_failed $LINENO
+rm -f out ingin.lz || framework_failure
 
 echo
 if [ ${fail} = 0 ] ; then
author	Daniel Baumann <daniel.baumann@progress-linux.org>	2024-01-23 05:40:38 +0000
committer	Daniel Baumann <daniel.baumann@progress-linux.org>	2024-01-23 05:40:38 +0000
commit	b3b8c8ad67fc70d8d047e07e5768997882ec6e97 (patch)
tree	b1b7b3a7a4ce69b1467a0e0882b19ce50e6a759a
parent	Releasing debian version 1.12-6. (diff)
download	pdlzip-b3b8c8ad67fc70d8d047e07e5768997882ec6e97.tar.xz pdlzip-b3b8c8ad67fc70d8d047e07e5768997882ec6e97.zip