Adding upstream version 0.7.upstream/0.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 93 insertions, 0 deletions

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+.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.47.16.
+.TH XLUNZIP "1" "January 2021" "xlunzip 0.7" "User Commands"
+.SH NAME
+xlunzip \- test tool for the lzip_decompress linux module
+.SH SYNOPSIS
+.B xlunzip
+[\fI\,options\/\fR] [\fI\,files\/\fR]
+.SH DESCRIPTION
+Xlunzip is a test tool for the lzip decompression code of my lzip patch for
+linux. Xlunzip is similar to lunzip, but it uses the lzip_decompress linux
+module as a backend. Xlunzip tests the module for stream, buffer\-to\-buffer,
+and mixed decompression modes, including in\-place decompression (using the
+same buffer for input and output). You can use xlunzip to verify that the
+module produces correct results when decompressing single member files,
+multimember files, or the concatenation of two or more compressed files.
+Xlunzip can be used with unzcrash to test the robustness of the module to
+the decompression of corrupted data.
+.PP
+The distributed index feature of the lzip format allows xlunzip to
+decompress concatenated files in place. This can't be guaranteed to work
+with formats like gzip or bzip2 because they can't detect whether a high
+compression ratio in the first members of the multimember data is being
+masked by a low compression ratio in the last members.
+.SH OPTIONS
+.TP
+\fB\-h\fR, \fB\-\-help\fR
+display this help and exit
+.TP
+\fB\-V\fR, \fB\-\-version\fR
+output version information and exit
+.TP
+\fB\-c\fR, \fB\-\-stdout\fR
+write to standard output, keep input files
+.TP
+\fB\-d\fR, \fB\-\-decompress\fR
+decompress (this is the default)
+.TP
+\fB\-f\fR, \fB\-\-force\fR
+overwrite existing output files
+.TP
+\fB\-I\fR, \fB\-\-in\-place\fR
+decompress or test using only one buffer
+.TP
+\fB\-k\fR, \fB\-\-keep\fR
+keep (don't delete) input files
+.TP
+\fB\-o\fR, \fB\-\-output=\fR<file>
+write to <file>, keep input files
+.TP
+\fB\-q\fR, \fB\-\-quiet\fR
+suppress all messages
+.TP
+\fB\-t\fR, \fB\-\-test\fR
+test compressed file integrity
+.TP
+\fB\-v\fR, \fB\-\-verbose\fR
+be verbose (a 2nd \fB\-v\fR gives more)
+.SS "These options are ignored when --in-place is in effect:"
+.TP
+\fB\-\-insize[=\fR<size>]
+pre\-allocate and fill inbuf [default 16 KiB]
+.TP
+\fB\-\-outsize[=\fR<size>]
+pre\-allocate outbuf [default 512 MiB]
+.TP
+\fB\-\-nofill\fR
+do not pass a fill function; requires \fB\-\-insize\fR
+.TP
+\fB\-\-noflush\fR
+do not pass a flush function; requires \fB\-\-outsize\fR
+.PP
+If no file names are given, or if a file is '\-', xlunzip 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...
+.PP
+To extract all the files from archive 'foo.tar.lz', use the commands
+\&'tar \fB\-xf\fR foo.tar.lz' or 'xlunzip \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 (eg, bug) which
+caused xlunzip to panic.
+.SH "REPORTING BUGS"
+Report bugs to lzip\-bug@nongnu.org
+.br
+Xlunzip home page: http://www.nongnu.org/lzip/xlunzip.html
+.SH COPYRIGHT
+Copyright \(co 2021 Antonio Diaz Diaz.
+License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl.html>
+.br
+This is free software: you are free to change and redistribute it.
+There is NO WARRANTY, to the extent permitted by law.