Merge commit '21767c654d31d2dccdde4330529775c6c5fd5389'

CMakeLists.txt

@@ -3,7 +3,7 @@ set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS ON)
 
 project(zlib C)
 
-set(VERSION "1.2.11")
+set(VERSION "1.2.12")
 
 option(ASM686 "Enable building i686 assembly implementation")
 option(AMD64 "Enable building amd64 assembly implementation")

Makefile.in

@@ -32,7 +32,7 @@ CPP=$(CC) -E
 
 STATICLIB=libz.a
 SHAREDLIB=libz.so
-SHAREDLIBV=libz.so.1.2.11
+SHAREDLIBV=libz.so.1.2.12
 SHAREDLIBM=libz.so.1
 LIBS=$(STATICLIB) $(SHAREDLIBV)
 
@@ -91,8 +91,8 @@ teststatic: static
 	  echo '		*** zlib test OK ***'; \
 	else \
 	  echo '		*** zlib test FAILED ***'; false; \
-	fi; \
-	rm -f $$TMPST
+	fi
+	@rm -f tmpst_$$
 
 testshared: shared
 	@LD_LIBRARY_PATH=`pwd`:$(LD_LIBRARY_PATH) ; export LD_LIBRARY_PATH; \
@@ -104,17 +104,17 @@ testshared: shared
 	  echo '		*** zlib shared test OK ***'; \
 	else \
 	  echo '		*** zlib shared test FAILED ***'; false; \
-	fi; \
-	rm -f $$TMPSH
+	fi
+	@rm -f tmpsh_$$
 
 test64: all64
 	@TMP64=tmp64_$$; \
 	if echo hello world | ./minigzip64 | ./minigzip64 -d && ./example64 $$TMP64; then \
 	  echo '		*** zlib 64-bit test OK ***'; \
 	else \
 	  echo '		*** zlib 64-bit test FAILED ***'; false; \
-	fi; \
-	rm -f $$TMP64
+	fi
+	@rm -f tmp64_$$
 
 infcover.o: $(SRCDIR)test/infcover.c $(SRCDIR)zlib.h zconf.h
 	$(CC) $(CFLAGS) $(ZINCOUT) -c -o $@ $(SRCDIR)test/infcover.c
@@ -376,15 +376,13 @@ clean:
 	rm -f contrib/infback9/*.gcda contrib/infback9/*.gcno contrib/infback9/*.gcov
 
 maintainer-clean: distclean
-distclean: clean zconf zconf.h.cmakein docs
+distclean: clean zconf zconf.h.cmakein
 	rm -f Makefile zlib.pc configure.log
 	-@rm -f .DS_Store
 	@if [ -f Makefile.in ]; then \
 	printf 'all:\n\t-@echo "Please use ./configure first.  Thank you."\n' > Makefile ; \
 	printf '\ndistclean:\n\tmake -f Makefile.in distclean\n' >> Makefile ; \
 	touch -r $(SRCDIR)Makefile.in Makefile ; fi
-	@if [ ! -f zconf.h.in ]; then rm -f zconf.h zconf.h.cmakein ; fi
-	@if [ ! -f zlib.3 ]; then rm -f zlib.3.pdf ; fi
 
 tags:
 	etags $(SRCDIR)*.[ch]

README

@@ -1,6 +1,6 @@
 ZLIB DATA COMPRESSION LIBRARY
 
-zlib 1.2.11 is a general purpose data compression library.  All the code is
+zlib 1.2.12 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
@@ -31,7 +31,7 @@ Mark Nelson <[email protected]> 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 1.2.11 are documented in the file ChangeLog.
+The changes made in version 1.2.12 are documented in the file ChangeLog.
 
 Unsupported third party contributions are provided in directory contrib/ .
 
@@ -84,7 +84,7 @@ Acknowledgments:
 
 Copyright notice:
 
- (C) 1995-2017 Jean-loup Gailly and Mark Adler
+ (C) 1995-2022 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
@@ -108,7 +108,10 @@ Copyright notice:
 If you use the zlib library in a product, we would appreciate *not* receiving
 lengthy legal documents to sign.  The sources are provided for free but without
 warranty of any kind.  The library has been entirely written by Jean-loup
-Gailly and Mark Adler; it does not include third-party code.
+Gailly and Mark Adler; it does not include third-party code.  We make all
+contributions to and distributions of this project solely in our personal
+capacity, and are not conveying any rights to any intellectual property of
+any third parties.
 
 If you redistribute modified sources, we would appreciate that you include in
 the file ChangeLog history information documenting your changes.  Please read

configure

@@ -87,6 +87,7 @@ build64=0
 gcc=0
 warn=0
 debug=0
+sanitize=0
 old_cc="$CC"
 old_cflags="$CFLAGS"
 OBJC='$(OBJZ) $(OBJG)'
@@ -137,6 +138,7 @@ case "$1" in
     -c* | --const) zconst=1; shift ;;
     -w* | --warn) warn=1; shift ;;
     -d* | --debug) debug=1; shift ;;
+    --sanitize) sanitize=1; shift ;;
     *)
       echo "unknown option: $1" | tee -a configure.log
       echo "$0 --help for help" | tee -a configure.log
@@ -165,8 +167,14 @@ extern int getchar();
 int hello() {return getchar();}
 EOF
 
-test -z "$CC" && echo Checking for ${CROSS_PREFIX}gcc... | tee -a configure.log
-cc=${CC-${CROSS_PREFIX}gcc}
+if test -z "$CC"; then
+  echo Checking for ${CROSS_PREFIX}gcc... | tee -a configure.log
+  if ${CROSS_PREFIX}gcc -v >/dev/null 2>&1; then
+    cc=${CROSS_PREFIX}gcc
+  else
+    cc=${CROSS_PREFIX}cc
+  fi
+fi
 cflags=${CFLAGS-"-O3"}
 # to force the asm version use: CFLAGS="-O3 -DASMV" ./configure
 case "$cc" in
@@ -199,6 +207,9 @@ if test "$gcc" -eq 1 && ($cc -c $test.c) >> configure.log 2>&1; then
       CFLAGS="${CFLAGS} -Wall -Wextra -pedantic"
     fi
   fi
+  if test $sanitize -eq 1; then
+    CFLAGS="${CFLAGS} -fsanitize=address"
+  fi
   if test $debug -eq 1; then
     CFLAGS="${CFLAGS} -DZLIB_DEBUG"
     SFLAGS="${SFLAGS} -DZLIB_DEBUG"
@@ -367,8 +378,11 @@ else
   try()
   {
     show $*
-    ( $* ) >> configure.log 2>&1
+    got=`( $* ) 2>&1`
     ret=$?
+    if test "$got" != ""; then
+      printf "%s\n" "$got" >> configure.log
+    fi
     if test $ret -ne 0; then
       echo "(exit code "$ret")" >> configure.log
     fi
@@ -381,8 +395,11 @@ tryboth()
   show $*
   got=`( $* ) 2>&1`
   ret=$?
-  printf %s "$got" >> configure.log
+  if test "$got" != ""; then
+    printf "%s\n" "$got" >> configure.log
+  fi
   if test $ret -ne 0; then
+    echo "(exit code "$ret")" >> configure.log
     return $ret
   fi
   test "$got" = ""
@@ -457,17 +474,11 @@ size_t dummy = 0;
 EOF
 if try $CC -c $CFLAGS $test.c; then
   echo "Checking for size_t... Yes." | tee -a configure.log
-  need_sizet=0
 else
   echo "Checking for size_t... No." | tee -a configure.log
-  need_sizet=1
-fi
-
-echo >> configure.log
-
-# find the size_t integer type, if needed
-if test $need_sizet -eq 1; then
-  cat > $test.c <<EOF
+  # find a size_t integer type
+  # check for long long
+  cat > $test.c << EOF
 long long dummy = 0;
 EOF
   if try $CC -c $CFLAGS $test.c; then
@@ -495,17 +506,13 @@ EOF
   if try $CC $CFLAGS -o $test $test.c; then
     sizet=`./$test`
     echo "Checking for a pointer-size integer type..." $sizet"." | tee -a configure.log
+    CFLAGS="${CFLAGS} -DNO_SIZE_T=${sizet}"
+    SFLAGS="${SFLAGS} -DNO_SIZE_T=${sizet}"
   else
-    echo "Failed to find a pointer-size integer type." | tee -a configure.log
-    leave 1
+    echo "Checking for a pointer-size integer type... not found." | tee -a configure.log
   fi
 fi
 
-if test $need_sizet -eq 1; then
-  CFLAGS="${CFLAGS} -DNO_SIZE_T=${sizet}"
-  SFLAGS="${SFLAGS} -DNO_SIZE_T=${sizet}"
-fi
-
 echo >> configure.log
 
 # check for large file support, and if none, check for fseeko()
@@ -849,7 +856,6 @@ echo SHAREDLIBV = $SHAREDLIBV >> configure.log
 echo STATICLIB = $STATICLIB >> configure.log
 echo TEST = $TEST >> configure.log
 echo VER = $VER >> configure.log
-echo Z_U4 = $Z_U4 >> configure.log
 echo SRCDIR = $SRCDIR >> configure.log
 echo exec_prefix = $exec_prefix >> configure.log
 echo includedir = $includedir >> configure.log

contrib/README.contrib

@@ -8,14 +8,6 @@ ada/        by Dmitriy Anisimkov <[email protected]>
         Support for Ada
         See http://zlib-ada.sourceforge.net/
 
-amd64/      by Mikhail Teterin <[email protected]>
-        asm code for AMD64
-        See patch at http://www.freebsd.org/cgi/query-pr.cgi?pr=bin/96393
-
-asm686/     by Brian Raiter <[email protected]>
-        asm code for Pentium and PPro/PII, using the AT&T (GNU as) syntax
-        See http://www.muppetlabs.com/~breadbox/software/assembly.html
-
 blast/      by Mark Adler <[email protected]>
         Decompressor for output of PKWare Data Compression Library (DCL)
 
@@ -32,9 +24,6 @@ gcc_gvmat64/by Gilles Vollant <[email protected]>
 infback9/   by Mark Adler <[email protected]>
         Unsupported diffs to infback to decode the deflate64 format
 
-inflate86/  by Chris Anderson <[email protected]>
-        Tuned x86 gcc asm code to replace inflate_fast()
-
 iostream/   by Kevin Ruland <[email protected]>
         A C++ I/O streams interface to the zlib gz* functions
 
@@ -45,16 +34,6 @@ iostream3/  by Ludwig Schwardt <[email protected]>
             and Kevin Ruland <[email protected]>
         Yet another C++ I/O streams interface
 
-masmx64/    by Gilles Vollant <[email protected]>
-        x86 64-bit (AMD64 and Intel EM64t) code for x64 assembler to
-        replace longest_match() and inflate_fast(),  also masm x86
-        64-bits translation of Chris Anderson inflate_fast()
-
-masmx86/    by Gilles Vollant <[email protected]>
-        x86 asm code to replace longest_match() and inflate_fast(),
-        for Visual C++ and MASM (32 bits).
-        Based on Brian Raiter (asm686) and Chris Anderson (inflate86)
-
 minizip/    by Gilles Vollant <[email protected]>
         Mini zip and unzip based on zlib
         Includes Zip64 support by Mathias Svensson <[email protected]>