7 files changed, 11 insertions, 33 deletions
diff --git a/zlib/win32/DLL_FAQ.txt b/zlib/win32/DLL_FAQ.txt
index 12c0090..d8cf5f3 100644
--- a/zlib/win32/DLL_FAQ.txt
+++ b/zlib/win32/DLL_FAQ.txt
@@ -3,7 +3,7 @@
 
 
 This document describes the design, the rationale, and the usage
-of the official DLL build of zlib, named ZLIB1.DLL.  If you have
+of the common DLL build of zlib, named ZLIB1.DLL.  If you have
 general questions about zlib, you should see the file "FAQ" found
 in the zlib distribution, or at the following location:
   http://www.gzip.org/zlib/zlib_faq.html
@@ -11,13 +11,9 @@ in the zlib distribution, or at the following location:
 
  1. What is ZLIB1.DLL, and how can I get it?
 
-  - ZLIB1.DLL is the official build of zlib as a DLL.
+  - ZLIB1.DLL is the common build of zlib as a DLL.
     (Please remark the character '1' in the name.)
 
-    Pointers to a precompiled ZLIB1.DLL can be found in the zlib
-    web site at:
-      http://www.zlib.net/
-
     Applications that link to ZLIB1.DLL can rely on the following
     specification:
 
@@ -379,18 +375,6 @@ in the zlib distribution, or at the following location:
     code.  But you can make your own private DLL build, under a
     different file name, as suggested in the previous answer.
 
-
-17. I made my own ZLIB1.DLL build.  Can I test it for compliance?
-
-  - We prefer that you download the official DLL from the zlib
-    web site.  If you need something peculiar from this DLL, you
-    can send your suggestion to the zlib mailing list.
-
-    However, in case you do rebuild the DLL yourself, you can run
-    it with the test programs found in the DLL distribution.
-    Running these test programs is not a guarantee of compliance,
-    but a failure can imply a detected problem.
-
 **
 
 This document is written and maintained by
diff --git a/zlib/win32/Makefile.bor b/zlib/win32/Makefile.bor
index d152bbb..4495353 100644
--- a/zlib/win32/Makefile.bor
+++ b/zlib/win32/Makefile.bor
@@ -3,7 +3,6 @@
 #
 # Usage:
 #  make -f win32/Makefile.bor
-#  make -f win32/Makefile.bor LOCAL_ZLIB=-DASMV OBJA=match.obj OBJPA=+match.obj
 
 # ------------ Borland C++ ------------
 
diff --git a/zlib/win32/Makefile.gcc b/zlib/win32/Makefile.gcc
index 305be50..081e391 100644
--- a/zlib/win32/Makefile.gcc
+++ b/zlib/win32/Makefile.gcc
@@ -11,10 +11,6 @@
 #
 #   make -fwin32/Makefile.gcc;  make test testdll -fwin32/Makefile.gcc
 #
-# To use the asm code, type:
-#   cp contrib/asm?86/match.S ./match.S
-#   make LOC=-DASMV OBJA=match.o -fwin32/Makefile.gcc
-#
 # To install libz.a, zconf.h and zlib.h in the system directories, type:
 #
 #   make install -fwin32/Makefile.gcc
@@ -38,7 +34,6 @@ IMPLIB    = libz.dll.a
 #
 SHARED_MODE=0
 
-#LOC = -DASMV
 #LOC = -DZLIB_DEBUG -g
 
 PREFIX =
diff --git a/zlib/win32/Makefile.msc b/zlib/win32/Makefile.msc
index 6831882..9c65153 100644
--- a/zlib/win32/Makefile.msc
+++ b/zlib/win32/Makefile.msc
@@ -4,10 +4,6 @@
 # Usage:
 #   nmake -f win32/Makefile.msc                          (standard build)
 #   nmake -f win32/Makefile.msc LOC=-DFOO                (nonstandard build)
-#   nmake -f win32/Makefile.msc LOC="-DASMV -DASMINF" \
-#         OBJA="inffas32.obj match686.obj"               (use ASM code, x86)
-#   nmake -f win32/Makefile.msc AS=ml64 LOC="-DASMV -DASMINF -I." \
-#         OBJA="inffasx64.obj gvmat64.obj inffas8664.obj"  (use ASM code, x64)
 
 # The toplevel directory of the source tree.
 #
diff --git a/zlib/win32/README-WIN32.txt b/zlib/win32/README-WIN32.txt
index df7ab7f..14e6398 100644
--- a/zlib/win32/README-WIN32.txt
+++ b/zlib/win32/README-WIN32.txt
@@ -1,6 +1,6 @@
 ZLIB DATA COMPRESSION LIBRARY
 
-zlib 1.2.11 is a general purpose data compression library.  All the code is
+zlib 1.3.1 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)
@@ -16,13 +16,13 @@ is http://zlib.net/ .  Before reporting a problem, please check this site to
 verify that you have the latest version of zlib; otherwise get the latest
 version and check whether the problem still exists or not.
 
-PLEASE read DLL_FAQ.txt, and the the zlib FAQ http://zlib.net/zlib_faq.html
-before asking for help.
+PLEASE read DLL_FAQ.txt, and the zlib FAQ http://zlib.net/zlib_faq.html before
+asking for help.
 
 
 Manifest:
 
-The package zlib-1.2.11-win32-x86.zip will contain the following files:
+The package zlib-1.3.1-win32-x86.zip will contain the following files:
 
   README-WIN32.txt This document
   ChangeLog        Changes since previous zlib packages
diff --git a/zlib/win32/zlib.def b/zlib/win32/zlib.def
index 0cb3f5d..53c8011 100644
--- a/zlib/win32/zlib.def
+++ b/zlib/win32/zlib.def
@@ -69,6 +69,7 @@ EXPORTS
     gzoffset64
     adler32_combine64
     crc32_combine64
+    crc32_combine_gen64
 ; checksum functions
     adler32
     adler32_z
@@ -76,6 +77,8 @@ EXPORTS
     crc32_z
     adler32_combine
     crc32_combine
+    crc32_combine_gen
+    crc32_combine_op
 ; various hacks, don't look :)
     deflateInit_
     deflateInit2_
@@ -91,3 +94,4 @@ EXPORTS
     inflateCodesUsed
     inflateResetKeep
     deflateResetKeep
+    gzopen_w
diff --git a/zlib/win32/zlib1.rc b/zlib/win32/zlib1.rc
index 234e641..ceb4ee5 100644
--- a/zlib/win32/zlib1.rc
+++ b/zlib/win32/zlib1.rc
@@ -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) 1995-2017 Jean-loup Gailly & Mark Adler\0"
+      VALUE "LegalCopyright",	"(C) 1995-2022 Jean-loup Gailly & Mark Adler\0"
       VALUE "OriginalFilename",	"zlib1.dll\0"
       VALUE "ProductName",	"zlib\0"
       VALUE "ProductVersion",	ZLIB_VERSION "\0"