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authorDaniel Baumann <mail@daniel-baumann.ch>2015-11-07 13:49:18 +0000
committerDaniel Baumann <mail@daniel-baumann.ch>2015-11-07 13:49:18 +0000
commit3464658cfb26bfbc85ab6fa50185d503dcec4688 (patch)
tree0813dbfdfd5cb882816f532673abe404f32e2c5b /doc
parentAdding upstream version 1.4. (diff)
downloadlzlib-3464658cfb26bfbc85ab6fa50185d503dcec4688.tar.xz
lzlib-3464658cfb26bfbc85ab6fa50185d503dcec4688.zip
Adding upstream version 1.5~rc1.upstream/1.5_rc1
Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>
Diffstat (limited to '')
-rw-r--r--doc/lzlib.info125
-rw-r--r--doc/lzlib.texinfo87
-rw-r--r--doc/minilzip.16
3 files changed, 124 insertions, 94 deletions
diff --git a/doc/lzlib.info b/doc/lzlib.info
index 84e0501..47460f9 100644
--- a/doc/lzlib.info
+++ b/doc/lzlib.info
@@ -3,7 +3,7 @@ lzlib.texinfo.
INFO-DIR-SECTION Data Compression
START-INFO-DIR-ENTRY
-* Lzlib: (lzlib). A compression library for lzip files
+* Lzlib: (lzlib). Compression library for lzip files
END-INFO-DIR-ENTRY

@@ -12,22 +12,22 @@ File: lzlib.info, Node: Top, Next: Introduction, Up: (dir)
Lzlib Manual
************
-This manual is for Lzlib (version 1.4, 28 May 2013).
+This manual is for Lzlib (version 1.5-rc1, 28 July 2013).
* Menu:
* Introduction:: Purpose and features of Lzlib
-* Library Version:: Checking library version
+* Library version:: Checking library version
* Buffering:: Sizes of Lzlib's buffers
-* Parameter Limits:: Min / max values for some parameters
-* Compression Functions:: Descriptions of the compression functions
-* Decompression Functions:: Descriptions of the decompression functions
-* Error Codes:: Meaning of codes returned by functions
-* Error Messages:: Error messages corresponding to error codes
-* Data Format:: Detailed format of the compressed data
+* Parameter limits:: Min / max values for some parameters
+* Compression functions:: Descriptions of the compression functions
+* Decompression functions:: Descriptions of the decompression functions
+* Error codes:: Meaning of codes returned by functions
+* Error messages:: Error messages corresponding to error codes
+* Data format:: Detailed format of the compressed data
* Examples:: A small tutorial with examples
* Problems:: Reporting bugs
-* Concept Index:: Index of concepts
+* Concept index:: Index of concepts
Copyright (C) 2009, 2010, 2011, 2012, 2013 Antonio Diaz Diaz.
@@ -36,7 +36,7 @@ This manual is for Lzlib (version 1.4, 28 May 2013).
copy, distribute and modify it.

-File: lzlib.info, Node: Introduction, Next: Library Version, Prev: Top, Up: Top
+File: lzlib.info, Node: Introduction, Next: Library version, Prev: Top, Up: Top
1 Introduction
**************
@@ -46,6 +46,10 @@ and decompression functions, including integrity checking of the
decompressed data. The compressed data format used by the library is the
lzip format. Lzlib is written in C.
+ The lzip file format is designed for long-term data archiving. It is
+clean, provides very safe 4 factor integrity checking, and is backed by
+the recovery capabilities of lziprecover.
+
The functions and variables forming the interface of the compression
library are declared in the file `lzlib.h'. Usage examples of the
library are given in the files `main.c' and `bbexample.c' from the
@@ -73,14 +77,23 @@ compressed data, so the library should never crash even in case of
corrupted input.
Lzlib implements a simplified version of the LZMA (Lempel-Ziv-Markov
-chain-Algorithm) algorithm. The original LZMA algorithm was designed by
-Igor Pavlov. For a description of the LZMA algorithm, see the Lzip
-manual.
+chain-Algorithm) algorithm. The high compression of LZMA comes from
+combining two basic, well-proven compression ideas: sliding dictionaries
+(LZ77/78) and markov models (the thing used by every compression
+algorithm that uses a range encoder or similar order-0 entropy coder as
+its last stage) with segregation of contexts according to what the bits
+are used for.
+
+ The ideas embodied in lzlib are due to (at least) the following
+people: Abraham Lempel and Jacob Ziv (for the LZ algorithm), Andrey
+Markov (for the definition of Markov chains), G.N.N. Martin (for the
+definition of range encoding), Igor Pavlov (for putting all the above
+together in LZMA), and Julian Seward (for bzip2's CLI).

-File: lzlib.info, Node: Library Version, Next: Buffering, Prev: Introduction, Up: Top
+File: lzlib.info, Node: Library version, Next: Buffering, Prev: Introduction, Up: Top
-2 Library Version
+2 Library version
*****************
-- Function: const char * LZ_version ( void )
@@ -98,7 +111,7 @@ application.
error( "bad library version" );

-File: lzlib.info, Node: Buffering, Next: Parameter Limits, Prev: Library Version, Up: Top
+File: lzlib.info, Node: Buffering, Next: Parameter limits, Prev: Library version, Up: Top
3 Buffering
***********
@@ -126,9 +139,9 @@ minimum sizes:
member currently being decompressed or 64KiB, whichever is larger.

-File: lzlib.info, Node: Parameter Limits, Next: Compression Functions, Prev: Buffering, Up: Top
+File: lzlib.info, Node: Parameter limits, Next: Compression functions, Prev: Buffering, Up: Top
-4 Parameter Limits
+4 Parameter limits
******************
These functions provide minimum and maximum values for some parameters.
@@ -155,9 +168,9 @@ Current values are shown in square brackets.
Returns the largest valid match length limit [273].

-File: lzlib.info, Node: Compression Functions, Next: Decompression Functions, Prev: Parameter Limits, Up: Top
+File: lzlib.info, Node: Compression functions, Next: Decompression functions, Prev: Parameter limits, Up: Top
-5 Compression Functions
+5 Compression functions
***********************
These are the functions used to compress data. In case of error, all of
@@ -254,7 +267,7 @@ calling `LZ_compress_errno' before using it.
-- Function: enum LZ_Errno LZ_compress_errno ( struct LZ_Encoder *
const ENCODER )
- Returns the current error code for ENCODER (*note Error Codes::).
+ Returns the current error code for ENCODER (*note Error codes::).
-- Function: int LZ_compress_finished ( struct LZ_Encoder * const
ENCODER )
@@ -287,9 +300,9 @@ calling `LZ_compress_errno' before using it.
perhaps not yet read.

-File: lzlib.info, Node: Decompression Functions, Next: Error Codes, Prev: Compression Functions, Up: Top
+File: lzlib.info, Node: Decompression functions, Next: Error codes, Prev: Compression functions, Up: Top
-6 Decompression Functions
+6 Decompression functions
*************************
These are the functions used to decompress data. In case of error, all
@@ -370,7 +383,7 @@ verified by calling `LZ_decompress_errno' before using it.
-- Function: enum LZ_Errno LZ_decompress_errno ( struct LZ_Decoder *
const DECODER )
- Returns the current error code for DECODER (*note Error Codes::).
+ Returns the current error code for DECODER (*note Error codes::).
-- Function: int LZ_decompress_finished ( struct LZ_Decoder * const
DECODER )
@@ -419,9 +432,9 @@ verified by calling `LZ_decompress_errno' before using it.
but perhaps not yet read.

-File: lzlib.info, Node: Error Codes, Next: Error Messages, Prev: Decompression Functions, Up: Top
+File: lzlib.info, Node: Error codes, Next: Error messages, Prev: Decompression functions, Up: Top
-7 Error Codes
+7 Error codes
*************
Most library functions return -1 to indicate that they have failed. But
@@ -471,9 +484,9 @@ whether a call failed. If the call failed, then you can examine
Problems::).

-File: lzlib.info, Node: Error Messages, Next: Data Format, Prev: Error Codes, Up: Top
+File: lzlib.info, Node: Error messages, Next: Data format, Prev: Error codes, Up: Top
-8 Error Messages
+8 Error messages
****************
-- Function: const char * LZ_strerror ( const enum LZ_Errno LZ_ERRNO )
@@ -487,9 +500,9 @@ File: lzlib.info, Node: Error Messages, Next: Data Format, Prev: Error Codes,
`LZ_(de)compress_errno'.

-File: lzlib.info, Node: Data Format, Next: Examples, Prev: Error Messages, Up: Top
+File: lzlib.info, Node: Data format, Next: Examples, Prev: Error messages, Up: Top
-9 Data Format
+9 Data format
*************
Perfection is reached, not when there is no longer anything to add, but
@@ -545,6 +558,8 @@ with no additional information before, between, or after them.
The lzma stream, finished by an end of stream marker. Uses default
values for encoder properties. See the lzip manual for a full
description.
+ Lzip only uses the LZMA marker `2' ("End Of Stream" marker). Lzlib
+ also uses the LZMA marker `3' ("Sync Flush" marker).
`CRC32 (4 bytes)'
CRC of the uncompressed original data.
@@ -560,7 +575,7 @@ with no additional information before, between, or after them.

-File: lzlib.info, Node: Examples, Next: Problems, Prev: Data Format, Up: Top
+File: lzlib.info, Node: Examples, Next: Problems, Prev: Data format, Up: Top
10 A small tutorial with examples
*********************************
@@ -680,7 +695,7 @@ next member in case of data error.
7) LZ_decompress_close

-File: lzlib.info, Node: Problems, Next: Concept Index, Prev: Examples, Up: Top
+File: lzlib.info, Node: Problems, Next: Concept index, Prev: Examples, Up: Top
11 Reporting Bugs
*****************
@@ -696,9 +711,9 @@ by running `minilzip --version' or in `LZ_version_string' from
`lzlib.h'.

-File: lzlib.info, Node: Concept Index, Prev: Problems, Up: Top
+File: lzlib.info, Node: Concept index, Prev: Problems, Up: Top
-Concept Index
+Concept index
*************
@@ -706,34 +721,34 @@ Concept Index
* buffering: Buffering. (line 6)
* bugs: Problems. (line 6)
-* compression functions: Compression Functions. (line 6)
-* data format: Data Format. (line 6)
-* decompression functions: Decompression Functions.
+* compression functions: Compression functions. (line 6)
+* data format: Data format. (line 6)
+* decompression functions: Decompression functions.
(line 6)
-* error codes: Error Codes. (line 6)
-* error messages: Error Messages. (line 6)
+* error codes: Error codes. (line 6)
+* error messages: Error messages. (line 6)
* examples: Examples. (line 6)
* getting help: Problems. (line 6)
* introduction: Introduction. (line 6)
-* library version: Library Version. (line 6)
-* parameter limits: Parameter Limits. (line 6)
+* library version: Library version. (line 6)
+* parameter limits: Parameter limits. (line 6)

Tag Table:
-Node: Top219
-Node: Introduction1319
-Node: Library Version3165
-Node: Buffering3810
-Node: Parameter Limits4929
-Node: Compression Functions5886
-Node: Decompression Functions12096
-Node: Error Codes18257
-Node: Error Messages20196
-Node: Data Format20775
-Node: Examples23268
-Node: Problems27351
-Node: Concept Index27923
+Node: Top217
+Node: Introduction1322
+Node: Library version3903
+Node: Buffering4548
+Node: Parameter limits5667
+Node: Compression functions6624
+Node: Decompression functions12834
+Node: Error codes18995
+Node: Error messages20934
+Node: Data format21513
+Node: Examples24136
+Node: Problems28219
+Node: Concept index28791

End Tag Table
diff --git a/doc/lzlib.texinfo b/doc/lzlib.texinfo
index c08303e..2830694 100644
--- a/doc/lzlib.texinfo
+++ b/doc/lzlib.texinfo
@@ -6,19 +6,19 @@
@finalout
@c %**end of header
-@set UPDATED 28 May 2013
-@set VERSION 1.4
+@set UPDATED 28 July 2013
+@set VERSION 1.5-rc1
@dircategory Data Compression
@direntry
-* Lzlib: (lzlib). A compression library for lzip files
+* Lzlib: (lzlib). Compression library for lzip files
@end direntry
@ifnothtml
@titlepage
@title Lzlib
-@subtitle A compression library for lzip files
+@subtitle Compression library for lzip files
@subtitle for Lzlib version @value{VERSION}, @value{UPDATED}
@author by Antonio Diaz Diaz
@@ -36,17 +36,17 @@ This manual is for Lzlib (version @value{VERSION}, @value{UPDATED}).
@menu
* Introduction:: Purpose and features of Lzlib
-* Library Version:: Checking library version
+* Library version:: Checking library version
* Buffering:: Sizes of Lzlib's buffers
-* Parameter Limits:: Min / max values for some parameters
-* Compression Functions:: Descriptions of the compression functions
-* Decompression Functions:: Descriptions of the decompression functions
-* Error Codes:: Meaning of codes returned by functions
-* Error Messages:: Error messages corresponding to error codes
-* Data Format:: Detailed format of the compressed data
+* Parameter limits:: Min / max values for some parameters
+* Compression functions:: Descriptions of the compression functions
+* Decompression functions:: Descriptions of the decompression functions
+* Error codes:: Meaning of codes returned by functions
+* Error messages:: Error messages corresponding to error codes
+* Data format:: Detailed format of the compressed data
* Examples:: A small tutorial with examples
* Problems:: Reporting bugs
-* Concept Index:: Index of concepts
+* Concept index:: Index of concepts
@end menu
@sp 1
@@ -65,6 +65,10 @@ and decompression functions, including integrity checking of the
decompressed data. The compressed data format used by the library is the
lzip format. Lzlib is written in C.
+The lzip file format is designed for long-term data archiving. It is
+clean, provides very safe 4 factor integrity checking, and is backed by
+the recovery capabilities of lziprecover.
+
The functions and variables forming the interface of the compression
library are declared in the file @samp{lzlib.h}. Usage examples of the
library are given in the files @samp{main.c} and @samp{bbexample.c} from
@@ -91,13 +95,22 @@ any signal handler. The decoder checks the consistency of the compressed
data, so the library should never crash even in case of corrupted input.
Lzlib implements a simplified version of the LZMA (Lempel-Ziv-Markov
-chain-Algorithm) algorithm. The original LZMA algorithm was designed by
-Igor Pavlov. For a description of the LZMA algorithm, see the Lzip
-manual.
-
-
-@node Library Version
-@chapter Library Version
+chain-Algorithm) algorithm. The high compression of LZMA comes from
+combining two basic, well-proven compression ideas: sliding dictionaries
+(LZ77/78) and markov models (the thing used by every compression
+algorithm that uses a range encoder or similar order-0 entropy coder as
+its last stage) with segregation of contexts according to what the bits
+are used for.
+
+The ideas embodied in lzlib are due to (at least) the following people:
+Abraham Lempel and Jacob Ziv (for the LZ algorithm), Andrey Markov (for
+the definition of Markov chains), G.N.N. Martin (for the definition of
+range encoding), Igor Pavlov (for putting all the above together in
+LZMA), and Julian Seward (for bzip2's CLI).
+
+
+@node Library version
+@chapter Library version
@cindex library version
@deftypefun {const char *} LZ_version ( void )
@@ -150,8 +163,8 @@ whichever is larger.
@end itemize
-@node Parameter Limits
-@chapter Parameter Limits
+@node Parameter limits
+@chapter Parameter limits
@cindex parameter limits
These functions provide minimum and maximum values for some parameters.
@@ -182,8 +195,8 @@ Returns the largest valid match length limit [273].
@end deftypefun
-@node Compression Functions
-@chapter Compression Functions
+@node Compression functions
+@chapter Compression functions
@cindex compression functions
These are the functions used to compress data. In case of error, all of
@@ -288,7 +301,7 @@ accept a @var{size} up to the returned number of bytes.
@deftypefun {enum LZ_Errno} LZ_compress_errno ( struct LZ_Encoder * const @var{encoder} )
-Returns the current error code for @var{encoder} (@pxref{Error Codes}).
+Returns the current error code for @var{encoder} (@pxref{Error codes}).
@end deftypefun
@@ -328,8 +341,8 @@ perhaps not yet read.
@end deftypefun
-@node Decompression Functions
-@chapter Decompression Functions
+@node Decompression functions
+@chapter Decompression functions
@cindex decompression functions
These are the functions used to decompress data. In case of error, all
@@ -421,7 +434,7 @@ will accept a @var{size} up to the returned number of bytes.
@deftypefun {enum LZ_Errno} LZ_decompress_errno ( struct LZ_Decoder * const @var{decoder} )
-Returns the current error code for @var{decoder} (@pxref{Error Codes}).
+Returns the current error code for @var{decoder} (@pxref{Error codes}).
@end deftypefun
@@ -480,8 +493,8 @@ perhaps not yet read.
@end deftypefun
-@node Error Codes
-@chapter Error Codes
+@node Error codes
+@chapter Error codes
@cindex error codes
Most library functions return -1 to indicate that they have failed. But
@@ -538,8 +551,8 @@ A bug was detected in the library. Please, report it (@pxref{Problems}).
@end deftypevr
-@node Error Messages
-@chapter Error Messages
+@node Error messages
+@chapter Error messages
@cindex error messages
@deftypefun {const char *} LZ_strerror ( const enum LZ_Errno @var{lz_errno} )
@@ -553,8 +566,8 @@ The value of @var{lz_errno} normally comes from a call to
@end deftypefun
-@node Data Format
-@chapter Data Format
+@node Data format
+@chapter Data format
@cindex data format
Perfection is reached, not when there is no longer anything to add, but
@@ -612,7 +625,9 @@ Valid values for dictionary size range from 4KiB to 512MiB.
@item Lzma stream
The lzma stream, finished by an end of stream marker. Uses default values
-for encoder properties. See the lzip manual for a full description.
+for encoder properties. See the lzip manual for a full description.@*
+Lzip only uses the LZMA marker @samp{2} ("End Of Stream" marker). Lzlib
+also uses the LZMA marker @samp{3} ("Sync Flush" marker).
@item CRC32 (4 bytes)
CRC of the uncompressed original data.
@@ -793,8 +808,8 @@ find by running @w{@samp{minilzip --version}} or in
@samp{LZ_version_string} from @samp{lzlib.h}.
-@node Concept Index
-@unnumbered Concept Index
+@node Concept index
+@unnumbered Concept index
@printindex cp
diff --git a/doc/minilzip.1 b/doc/minilzip.1
index eba916d..da2c211 100644
--- a/doc/minilzip.1
+++ b/doc/minilzip.1
@@ -1,12 +1,12 @@
.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.37.1.
-.TH MINILZIP "1" "May 2013" "Minilzip 1.4" "User Commands"
+.TH MINILZIP "1" "July 2013" "Minilzip 1.5-rc1" "User Commands"
.SH NAME
Minilzip \- reduces the size of files
.SH SYNOPSIS
.B minilzip
[\fIoptions\fR] [\fIfiles\fR]
.SH DESCRIPTION
-Minilzip \- A test program for the lzlib library.
+Minilzip \- Test program for the lzlib library.
.SH OPTIONS
.TP
\fB\-h\fR, \fB\-\-help\fR
@@ -82,7 +82,7 @@ Report bugs to lzip\-bug@nongnu.org
Lzlib home page: http://www.nongnu.org/lzip/lzlib.html
.SH COPYRIGHT
Copyright \(co 2013 Antonio Diaz Diaz.
-Using Lzlib 1.4
+Using Lzlib 1.5\-rc1
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.