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Sync ZLIB with FSF GCC sources, bringing in version 1.2.11. 

- Fix deflate stored bug when pulling last block from window
- Permit immediate deflateParams changes before any deflate input
This commit is contained in:
Nick Clifton 2017-02-20 12:52:22 +00:00
parent 0db8980cc0
commit 9c7e3b0e6b
34 changed files with 87 additions and 68 deletions
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2
zlib/CMakeLists.txt
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@ -3,7 +3,7 @@ set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS ON)
project(zlib C)
set(VERSION "1.2.10")
set(VERSION "1.2.11")
option(ASM686 "Enable building i686 assembly implementation")
option(AMD64 "Enable building amd64 assembly implementation")

4
zlib/ChangeLog
View File

@ -1,6 +1,10 @@
ChangeLog file for zlib
Changes in 1.2.11 (15 Jan 2017)
- Fix deflate stored bug when pulling last block from window
- Permit immediate deflateParams changes before any deflate input
Changes in 1.2.10 (2 Jan 2017)
- Avoid warnings on snprintf() return value
- Fix bug in deflate_stored() for zero-length input

4
zlib/ChangeLog.bin-gdb
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@ -1,3 +1,7 @@
2017-02-20 Nick Clifton <nickc@redhat.com>
Sync with FSF GCC sources, bringing in version 1.2.11.
2017-01-23 Nick Clifton <nickc@redhat.com>
* configure.ac: Restore old behaviour of only enabling multilibs

5
zlib/ChangeLog.gcj
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@ -1,3 +1,8 @@
2017-01-22 Matthias Klose <doko@ubuntu.com>
* Import zlib 1.2.11.
* configure: Regenerate.
2017-01-13 Matthias Klose <doko@ubuntu.com>
* Import zlib 1.2.10.

4
zlib/README
View File

@ -3,7 +3,7 @@ shipped with GCC as convenience.
ZLIB DATA COMPRESSION LIBRARY
zlib 1.2.10 is a general purpose data compression library. All the code is
zlib 1.2.11 is a general purpose data compression library. All the code is
thread safe. The data format used by the zlib library is described by RFCs
(Request for Comments) 1950 to 1952 in the files
http://tools.ietf.org/html/rfc1950 (zlib format), rfc1951 (deflate format) and
@ -34,7 +34,7 @@ Mark Nelson <markn@ieee.org> wrote an article about zlib for the Jan. 1997
issue of Dr. Dobb's Journal; a copy of the article is available at
http://marknelson.us/1997/01/01/zlib-engine/ .
The changes made in version 1.2.10 are documented in the file ChangeLog.
The changes made in version 1.2.11 are documented in the file ChangeLog.
Unsupported third party contributions are provided in directory contrib/ .

2
zlib/contrib/delphi/ZLib.pas
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@ -152,7 +152,7 @@ procedure DecompressToUserBuf(const InBuf: Pointer; InBytes: Integer;
const OutBuf: Pointer; BufSize: Integer);
const
zlib_version = '1.2.10';
zlib_version = '1.2.11';
type
EZlibError = class(Exception);

2
zlib/contrib/dotzlib/DotZLib/UnitTests.cs
View File

@ -156,7 +156,7 @@ namespace DotZLibTests
public void Info_Version()
{
Info info = new Info();
Assert.AreEqual("1.2.10", Info.Version);
Assert.AreEqual("1.2.11", Info.Version);
Assert.AreEqual(32, info.SizeOfUInt);
Assert.AreEqual(32, info.SizeOfULong);
Assert.AreEqual(32, info.SizeOfPointer);

4
zlib/contrib/infback9/inftree9.c
View File

@ -9,7 +9,7 @@
#define MAXBITS 15
const char inflate9_copyright[] =
" inflate9 1.2.10 Copyright 1995-2017 Mark Adler ";
" inflate9 1.2.11 Copyright 1995-2017 Mark Adler ";
/*
If you use the zlib library in a product, an acknowledgment is welcome
in the documentation of your product. If for some reason you cannot
@ -64,7 +64,7 @@ unsigned short FAR *work;
static const unsigned short lext[31] = { /* Length codes 257..285 extra */
128, 128, 128, 128, 128, 128, 128, 128, 129, 129, 129, 129,
130, 130, 130, 130, 131, 131, 131, 131, 132, 132, 132, 132,
133, 133, 133, 133, 144, 192, 202};
133, 133, 133, 133, 144, 77, 202};
static const unsigned short dbase[32] = { /* Distance codes 0..31 base */
1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49,
65, 97, 129, 193, 257, 385, 513, 769, 1025, 1537, 2049, 3073,

2
zlib/contrib/minizip/configure.ac
View File

@ -1,7 +1,7 @@
# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_INIT([minizip], [1.2.10], [bugzilla.redhat.com])
AC_INIT([minizip], [1.2.11], [bugzilla.redhat.com])
AC_CONFIG_SRCDIR([minizip.c])
AM_INIT_AUTOMAKE([foreign])
LT_INIT

2
zlib/contrib/pascal/zlibpas.pas
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@ -10,7 +10,7 @@ unit zlibpas;
interface
const
ZLIB_VERSION = '1.2.10';
ZLIB_VERSION = '1.2.11';
ZLIB_VERNUM = $12a0;
type

2
zlib/contrib/vstudio/readme.txt
View File

@ -1,4 +1,4 @@
Building instructions for the DLL versions of Zlib 1.2.10
Building instructions for the DLL versions of Zlib 1.2.11
========================================================
This directory contains projects that build zlib and minizip using

6
zlib/contrib/vstudio/vc10/zlib.rc
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@ -2,8 +2,8 @@
#define IDR_VERSION1 1
IDR_VERSION1 VERSIONINFO MOVEABLE IMPURE LOADONCALL DISCARDABLE
FILEVERSION 1, 2, 10, 0
PRODUCTVERSION 1, 2, 10, 0
FILEVERSION 1, 2, 11, 0
PRODUCTVERSION 1, 2, 11, 0
FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
FILEFLAGS 0
FILEOS VOS_DOS_WINDOWS32
@ -17,7 +17,7 @@ BEGIN
BEGIN
VALUE "FileDescription", "zlib data compression and ZIP file I/O library\0"
VALUE "FileVersion", "1.2.10\0"
VALUE "FileVersion", "1.2.11\0"
VALUE "InternalName", "zlib\0"
VALUE "OriginalFilename", "zlibwapi.dll\0"
VALUE "ProductName", "ZLib.DLL\0"

6
zlib/contrib/vstudio/vc11/zlib.rc
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@ -2,8 +2,8 @@
#define IDR_VERSION1 1
IDR_VERSION1 VERSIONINFO MOVEABLE IMPURE LOADONCALL DISCARDABLE
FILEVERSION 1, 2, 10, 0
PRODUCTVERSION 1, 2, 10, 0
FILEVERSION 1, 2, 11, 0
PRODUCTVERSION 1, 2, 11, 0
FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
FILEFLAGS 0
FILEOS VOS_DOS_WINDOWS32
@ -17,7 +17,7 @@ BEGIN
BEGIN
VALUE "FileDescription", "zlib data compression and ZIP file I/O library\0"
VALUE "FileVersion", "1.2.10\0"
VALUE "FileVersion", "1.2.11\0"
VALUE "InternalName", "zlib\0"
VALUE "OriginalFilename", "zlibwapi.dll\0"
VALUE "ProductName", "ZLib.DLL\0"

6
zlib/contrib/vstudio/vc12/zlib.rc
View File

@ -2,8 +2,8 @@
#define IDR_VERSION1 1
IDR_VERSION1 VERSIONINFO MOVEABLE IMPURE LOADONCALL DISCARDABLE
FILEVERSION 1, 2, 10, 0
PRODUCTVERSION 1, 2, 10, 0
FILEVERSION 1, 2, 11, 0
PRODUCTVERSION 1, 2, 11, 0
FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
FILEFLAGS 0
FILEOS VOS_DOS_WINDOWS32
@ -17,7 +17,7 @@ BEGIN
BEGIN
VALUE "FileDescription", "zlib data compression and ZIP file I/O library\0"
VALUE "FileVersion", "1.2.10\0"
VALUE "FileVersion", "1.2.11\0"
VALUE "InternalName", "zlib\0"
VALUE "OriginalFilename", "zlibwapi.dll\0"
VALUE "ProductName", "ZLib.DLL\0"

6
zlib/contrib/vstudio/vc14/zlib.rc
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@ -2,8 +2,8 @@
#define IDR_VERSION1 1
IDR_VERSION1 VERSIONINFO MOVEABLE IMPURE LOADONCALL DISCARDABLE
FILEVERSION 1, 2, 10, 0
PRODUCTVERSION 1, 2, 10, 0
FILEVERSION 1, 2, 11, 0
PRODUCTVERSION 1, 2, 11, 0
FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
FILEFLAGS 0
FILEOS VOS_DOS_WINDOWS32
@ -17,7 +17,7 @@ BEGIN
BEGIN
VALUE "FileDescription", "zlib data compression and ZIP file I/O library\0"
VALUE "FileVersion", "1.2.10\0"
VALUE "FileVersion", "1.2.11\0"
VALUE "InternalName", "zlib\0"
VALUE "OriginalFilename", "zlibwapi.dll\0"
VALUE "ProductName", "ZLib.DLL\0"

6
zlib/contrib/vstudio/vc9/zlib.rc
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@ -2,8 +2,8 @@
#define IDR_VERSION1 1
IDR_VERSION1 VERSIONINFO MOVEABLE IMPURE LOADONCALL DISCARDABLE
FILEVERSION 1, 2, 10, 0
PRODUCTVERSION 1, 2, 10, 0
FILEVERSION 1, 2, 11, 0
PRODUCTVERSION 1, 2, 11, 0
FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
FILEFLAGS 0
FILEOS VOS_DOS_WINDOWS32
@ -17,7 +17,7 @@ BEGIN
BEGIN
VALUE "FileDescription", "zlib data compression and ZIP file I/O library\0"
VALUE "FileVersion", "1.2.10\0"
VALUE "FileVersion", "1.2.11\0"
VALUE "InternalName", "zlib\0"
VALUE "OriginalFilename", "zlibwapi.dll\0"
VALUE "ProductName", "ZLib.DLL\0"

19
zlib/deflate.c
View File

@ -52,7 +52,7 @@
#include "deflate.h"
const char deflate_copyright[] =
" deflate 1.2.10 Copyright 1995-2017 Jean-loup Gailly and Mark Adler ";
" deflate 1.2.11 Copyright 1995-2017 Jean-loup Gailly and Mark Adler ";
/*
If you use the zlib library in a product, an acknowledgment is welcome
in the documentation of your product. If for some reason you cannot
@ -586,7 +586,8 @@ int ZEXPORT deflateParams(strm, level, strategy)
}
func = configuration_table[s->level].func;
if ((strategy != s->strategy || func != configuration_table[level].func)) {
if ((strategy != s->strategy || func != configuration_table[level].func) &&
s->high_water) {
/* Flush the last buffer: */
int err = deflate(strm, Z_BLOCK);
if (err == Z_STREAM_ERROR)
@ -1671,8 +1672,6 @@ local block_state deflate_stored(s, flush)
len = left + s->strm->avail_in; /* limit len to the input */
if (len > have)
len = have; /* limit len to the output */
if (left > len)
left = len; /* limit window pull to len */
/* If the stored block would be less than min_block in length, or if
* unable to copy all of the available input when flushing, then try
@ -1681,13 +1680,13 @@ local block_state deflate_stored(s, flush)
*/
if (len < min_block && ((len == 0 && flush != Z_FINISH) ||
flush == Z_NO_FLUSH ||
len - left != s->strm->avail_in))
len != left + s->strm->avail_in))
break;
/* Make a dummy stored block in pending to get the header bytes,
* including any pending bits. This also updates the debugging counts.
*/
last = flush == Z_FINISH && len - left == s->strm->avail_in ? 1 : 0;
last = flush == Z_FINISH && len == left + s->strm->avail_in ? 1 : 0;
_tr_stored_block(s, (char *)0, 0L, last);
/* Replace the lengths in the dummy stored block with len. */
@ -1699,14 +1698,16 @@ local block_state deflate_stored(s, flush)
/* Write the stored block header bytes. */
flush_pending(s->strm);
/* Update debugging counts for the data about to be copied. */
#ifdef ZLIB_DEBUG
/* Update debugging counts for the data about to be copied. */
s->compressed_len += len << 3;
s->bits_sent += len << 3;
#endif
/* Copy uncompressed bytes from the window to next_out. */
if (left) {
if (left > len)
left = len;
zmemcpy(s->strm->next_out, s->window + s->block_start, left);
s->strm->next_out += left;
s->strm->avail_out -= left;
@ -1756,6 +1757,8 @@ local block_state deflate_stored(s, flush)
s->block_start = s->strstart;
s->insert += MIN(used, s->w_size - s->insert);
}
if (s->high_water < s->strstart)
s->high_water = s->strstart;
/* If the last block was written to next_out, then done. */
if (last)
@ -1783,6 +1786,8 @@ local block_state deflate_stored(s, flush)
read_buf(s->strm, s->window + s->strstart, have);
s->strstart += have;
}
if (s->high_water < s->strstart)
s->high_water = s->strstart;
/* There was not enough avail_out to write a complete worthy or flushed
* stored block to next_out. Write a stored block to pending instead, if we

2
zlib/gzlib.c
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@ -1,5 +1,5 @@
/* gzlib.c -- zlib functions common to reading and writing gzip files
* Copyright (C) 2004, 2010, 2011, 2012, 2013, 2016 Mark Adler
* Copyright (C) 2004-2017 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/

2
zlib/gzwrite.c
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@ -1,5 +1,5 @@
/* gzwrite.c -- zlib functions for writing gzip files
* Copyright (C) 2004, 2005, 2010, 2011, 2012, 2013, 2016 Mark Adler
* Copyright (C) 2004-2017 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/

2
zlib/inffast.c
View File

@ -1,5 +1,5 @@
/* inffast.c -- fast decoding
* Copyright (C) 1995-2008, 2010, 2013, 2016 Mark Adler
* Copyright (C) 1995-2017 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/

4
zlib/inftrees.c
View File

@ -9,7 +9,7 @@
#define MAXBITS 15
const char inflate_copyright[] =
" inflate 1.2.10 Copyright 1995-2017 Mark Adler ";
" inflate 1.2.11 Copyright 1995-2017 Mark Adler ";
/*
If you use the zlib library in a product, an acknowledgment is welcome
in the documentation of your product. If for some reason you cannot
@ -62,7 +62,7 @@ unsigned short FAR *work;
35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0};
static const unsigned short lext[31] = { /* Length codes 257..285 extra */
16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18,
19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 192, 202};
19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 77, 202};
static const unsigned short dbase[32] = { /* Distance codes 0..29 base */
1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,

2
zlib/os400/README400
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@ -1,4 +1,4 @@
ZLIB version 1.2.10 for OS/400 installation instructions
ZLIB version 1.2.11 for OS/400 installation instructions
1) Download and unpack the zlib tarball to some IFS directory.
(i.e.: /path/to/the/zlib/ifs/source/directory)

2
zlib/os400/make.sh
View File

@ -260,7 +260,7 @@ fi
echo '#pragma comment(user, "ZLIB version '"${VERSION}"'")' > os400.c
echo '#pragma comment(user, __DATE__)' >> os400.c
echo '#pragma comment(user, __TIME__)' >> os400.c
echo '#pragma comment(copyright, "Copyright (C) 1995-2016 Jean-Loup Gailly, Mark Adler. OS/400 version by P. Monnerat.")' >> os400.c
echo '#pragma comment(copyright, "Copyright (C) 1995-2017 Jean-Loup Gailly, Mark Adler. OS/400 version by P. Monnerat.")' >> os400.c
make_module OS400 os400.c
LINK= # No need to rebuild service program yet.
MODULES=

6
zlib/os400/zlib.inc
View File

@ -1,7 +1,7 @@
* ZLIB.INC - Interface to the general purpose compression library
*
* ILE RPG400 version by Patrick Monnerat, DATASPHERE.
* Version 1.2.10
* Version 1.2.11
*
*
* WARNING:
@ -22,12 +22,12 @@
*
* Versioning information.
*
D ZLIB_VERSION C '1.2.10'
D ZLIB_VERSION C '1.2.11'
D ZLIB_VERNUM C X'12a0'
D ZLIB_VER_MAJOR C 1
D ZLIB_VER_MINOR C 2
D ZLIB_VER_REVISION...
D C 10
D C 11
D ZLIB_VER_SUBREVISION...
D C 0
*

10
zlib/qnx/package.qpg
View File

@ -25,10 +25,10 @@
<QPG:Files>
<QPG:Add file="../zconf.h" install="/opt/include/" user="root:sys" permission="644"/>
<QPG:Add file="../zlib.h" install="/opt/include/" user="root:sys" permission="644"/>
<QPG:Add file="../libz.so.1.2.10" install="/opt/lib/" user="root:bin" permission="644"/>
<QPG:Add file="libz.so" install="/opt/lib/" component="dev" filetype="symlink" linkto="libz.so.1.2.10"/>
<QPG:Add file="libz.so.1" install="/opt/lib/" filetype="symlink" linkto="libz.so.1.2.10"/>
<QPG:Add file="../libz.so.1.2.10" install="/opt/lib/" component="slib"/>
<QPG:Add file="../libz.so.1.2.11" install="/opt/lib/" user="root:bin" permission="644"/>
<QPG:Add file="libz.so" install="/opt/lib/" component="dev" filetype="symlink" linkto="libz.so.1.2.11"/>
<QPG:Add file="libz.so.1" install="/opt/lib/" filetype="symlink" linkto="libz.so.1.2.11"/>
<QPG:Add file="../libz.so.1.2.11" install="/opt/lib/" component="slib"/>
</QPG:Files>
<QPG:PackageFilter>
@ -63,7 +63,7 @@
</QPM:ProductDescription>
<QPM:ReleaseDescription>
<QPM:ReleaseVersion>1.2.10</QPM:ReleaseVersion>
<QPM:ReleaseVersion>1.2.11</QPM:ReleaseVersion>
<QPM:ReleaseUrgency>Medium</QPM:ReleaseUrgency>
<QPM:ReleaseStability>Stable</QPM:ReleaseStability>
<QPM:ReleaseNoteMinor></QPM:ReleaseNoteMinor>

4
zlib/treebuild.xml
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@ -1,6 +1,6 @@
<?xml version="1.0" ?>
<package name="zlib" version="1.2.10">
<library name="zlib" dlversion="1.2.10" dlname="z">
<package name="zlib" version="1.2.11">
<library name="zlib" dlversion="1.2.11" dlname="z">
<property name="description"> zip compression library </property>
<property name="include-target-dir" value="$(@PACKAGE/install-includedir)" />

4
zlib/trees.c
View File

@ -1,5 +1,5 @@
/* trees.c -- output deflated data using Huffman coding
* Copyright (C) 1995-2016 Jean-loup Gailly
* Copyright (C) 1995-2017 Jean-loup Gailly
* detect_data_type() function provided freely by Cosmin Truta, 2006
* For conditions of distribution and use, see copyright notice in zlib.h
*/
@ -906,7 +906,7 @@ void ZLIB_INTERNAL _tr_align(s)
/* ===========================================================================
* Determine the best encoding for the current block: dynamic trees, static
* trees or store, and output the encoded block to the zip file.
* trees or store, and write out the encoded block.
*/
void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last)
deflate_state *s;

2
zlib/win32/Makefile.msc
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@ -1,5 +1,5 @@
# Makefile for zlib using Microsoft (Visual) C
# zlib is copyright (C) 1995-2006 Jean-loup Gailly and Mark Adler
# zlib is copyright (C) 1995-2017 Jean-loup Gailly and Mark Adler
#
# Usage:
# nmake -f win32/Makefile.msc (standard build)

6
zlib/win32/README-WIN32.txt
View File

@ -1,6 +1,6 @@
ZLIB DATA COMPRESSION LIBRARY
zlib 1.2.10 is a general purpose data compression library. All the code is
zlib 1.2.11 is a general purpose data compression library. All the code is
thread safe. The data format used by the zlib library is described by RFCs
(Request for Comments) 1950 to 1952 in the files
http://www.ietf.org/rfc/rfc1950.txt (zlib format), rfc1951.txt (deflate format)
@ -22,7 +22,7 @@ before asking for help.
Manifest:
The package zlib-1.2.10-win32-x86.zip will contain the following files:
The package zlib-1.2.11-win32-x86.zip will contain the following files:
README-WIN32.txt This document
ChangeLog Changes since previous zlib packages
@ -72,7 +72,7 @@ are too numerous to cite here.
Copyright notice:
(C) 1995-2012 Jean-loup Gailly and Mark Adler
(C) 1995-2017 Jean-loup Gailly and Mark Adler
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages

2
zlib/win32/VisualC.txt
View File

@ -1,3 +1,3 @@
To build zlib using the Microsoft Visual C++ environment,
use the appropriate project from the projects/ directory.
use the appropriate project from the contrib/vstudio/ directory.

2
zlib/win32/zlib1.rc
View File

@ -26,7 +26,7 @@ BEGIN
VALUE "FileDescription", "zlib data compression library\0"
VALUE "FileVersion", ZLIB_VERSION "\0"
VALUE "InternalName", "zlib1.dll\0"
VALUE "LegalCopyright", "(C) 1995-2013 Jean-loup Gailly & Mark Adler\0"
VALUE "LegalCopyright", "(C) 1995-2017 Jean-loup Gailly & Mark Adler\0"
VALUE "OriginalFilename", "zlib1.dll\0"
VALUE "ProductName", "zlib\0"
VALUE "ProductVersion", ZLIB_VERSION "\0"

4
zlib/zlib.3
View File

@ -1,4 +1,4 @@
.TH ZLIB 3 "2 Jan 2017"
.TH ZLIB 3 "15 Jan 2017"
.SH NAME
zlib \- compression/decompression library
.SH SYNOPSIS
@ -105,7 +105,7 @@ before asking for help.
Send questions and/or comments to zlib@gzip.org,
or (for the Windows DLL version) to Gilles Vollant (info@winimage.com).
.SH AUTHORS AND LICENSE
Version 1.2.10
Version 1.2.11
.LP
Copyright (C) 1995-2017 Jean-loup Gailly and Mark Adler
.LP

17
zlib/zlib.h
View File

@ -1,5 +1,5 @@
/* zlib.h -- interface of the 'zlib' general purpose compression library
version 1.2.10, January 2nd, 2017
version 1.2.11, January 15th, 2017
Copyright (C) 1995-2017 Jean-loup Gailly and Mark Adler
@ -37,11 +37,11 @@
extern "C" {
#endif
#define ZLIB_VERSION "1.2.10"
#define ZLIB_VERNUM 0x12a0
#define ZLIB_VERSION "1.2.11"
#define ZLIB_VERNUM 0x12b0
#define ZLIB_VER_MAJOR 1
#define ZLIB_VER_MINOR 2
#define ZLIB_VER_REVISION 10
#define ZLIB_VER_REVISION 11
#define ZLIB_VER_SUBREVISION 0
/*
@ -712,10 +712,11 @@ ZEXTERN int ZEXPORT deflateParams OF((z_streamp strm,
used to switch between compression and straight copy of the input data, or
to switch to a different kind of input data requiring a different strategy.
If the compression approach (which is a function of the level) or the
strategy is changed, then the input available so far is compressed with the
old level and strategy using deflate(strm, Z_BLOCK). There are three
approaches for the compression levels 0, 1..3, and 4..9 respectively. The
new level and strategy will take effect at the next call of deflate().
strategy is changed, and if any input has been consumed in a previous
deflate() call, then the input available so far is compressed with the old
level and strategy using deflate(strm, Z_BLOCK). There are three approaches
for the compression levels 0, 1..3, and 4..9 respectively. The new level
and strategy will take effect at the next call of deflate().
If a deflate(strm, Z_BLOCK) is performed by deflateParams(), and it does
not have enough output space to complete, then the parameter change will not

2
zlib/zutil.c
View File

@ -1,5 +1,5 @@
/* zutil.c -- target dependent utility functions for the compression library
* Copyright (C) 1995-2005, 2010, 2011, 2012, 2016 Jean-loup Gailly
* Copyright (C) 1995-2017 Jean-loup Gailly
* For conditions of distribution and use, see copyright notice in zlib.h
*/