[1.5.0] Remove ZBUFF

.github/workflows/generic-dev.yml

@@ -55,11 +55,9 @@ jobs:
         CC=gcc-7 CFLAGS=-Werror make -j all
         make clean
         LDFLAGS=-Wl,--no-undefined make -C lib libzstd-mt
-        make -C tests zbufftest-dll
 
     # candidate test (to check) : underlink test
     # LDFLAGS=-Wl,--no-undefined : will make the linker fail if dll is underlinked
-    # zbufftest-dll : test that a user program can link to multi-threaded libzstd without specifying -pthread
 
   gcc-8-asan-ubsan-testzstd:
     runs-on: ubuntu-latest

.github/workflows/generic-release.yml

@@ -25,14 +25,6 @@ jobs:
         make test
         # make -c lib all (need to fix. not working right now)
 
-  zbuff:
-    runs-on: ubuntu-16.04
-    steps:
-    - uses: actions/checkout@v2
-    - name: zbuff test
-      run: |
-        make -C tests test-zbuff
-
   tsan:
     runs-on: ubuntu-latest
     steps:

build/VS2010/libzstd-dll/libzstd-dll.vcxproj

@@ -44,9 +44,6 @@
     <ClCompile Include="..\..\..\lib\decompress\zstd_decompress.c" />
     <ClCompile Include="..\..\..\lib\decompress\zstd_decompress_block.c" />
     <ClCompile Include="..\..\..\lib\decompress\zstd_ddict.c" />
-    <ClCompile Include="..\..\..\lib\deprecated\zbuff_common.c" />
-    <ClCompile Include="..\..\..\lib\deprecated\zbuff_compress.c" />
-    <ClCompile Include="..\..\..\lib\deprecated\zbuff_decompress.c" />
     <ClCompile Include="..\..\..\lib\dictBuilder\cover.c" />
     <ClCompile Include="..\..\..\lib\dictBuilder\fastcover.c" />
     <ClCompile Include="..\..\..\lib\dictBuilder\divsufsort.c" />
@@ -69,7 +66,6 @@
     <ClInclude Include="..\..\..\lib\common\fse.h" />
     <ClInclude Include="..\..\..\lib\common\huf.h" />
     <ClInclude Include="..\..\..\lib\common\xxhash.h" />
-    <ClInclude Include="..\..\..\lib\deprecated\zbuff.h" />
     <ClInclude Include="..\..\..\lib\legacy\zstd_legacy.h" />
     <ClInclude Include="..\..\..\lib\legacy\zstd_v01.h" />
     <ClInclude Include="..\..\..\lib\legacy\zstd_v02.h" />

build/VS2010/libzstd/libzstd.vcxproj

@@ -44,9 +44,6 @@
     <ClCompile Include="..\..\..\lib\decompress\zstd_decompress.c" />
     <ClCompile Include="..\..\..\lib\decompress\zstd_decompress_block.c" />
     <ClCompile Include="..\..\..\lib\decompress\zstd_ddict.c" />
-    <ClCompile Include="..\..\..\lib\deprecated\zbuff_common.c" />
-    <ClCompile Include="..\..\..\lib\deprecated\zbuff_compress.c" />
-    <ClCompile Include="..\..\..\lib\deprecated\zbuff_decompress.c" />
     <ClCompile Include="..\..\..\lib\dictBuilder\cover.c" />
     <ClCompile Include="..\..\..\lib\dictBuilder\fastcover.c" />
     <ClCompile Include="..\..\..\lib\dictBuilder\divsufsort.c" />
@@ -69,7 +66,6 @@
     <ClInclude Include="..\..\..\lib\common\fse.h" />
     <ClInclude Include="..\..\..\lib\common\huf.h" />
     <ClInclude Include="..\..\..\lib\common\xxhash.h" />
-    <ClInclude Include="..\..\..\lib\deprecated\zbuff.h" />
     <ClInclude Include="..\..\..\lib\legacy\zstd_legacy.h" />
     <ClInclude Include="..\..\..\lib\legacy\zstd_v01.h" />
     <ClInclude Include="..\..\..\lib\legacy\zstd_v02.h" />

build/cmake/tests/.gitignore

@@ -3,5 +3,4 @@ datagen
 fullbench
 fuzzer
 paramgrill
-zbufftest
 

build/meson/lib/meson.build

@@ -45,10 +45,7 @@ libzstd_sources = [join_paths(zstd_rootdir, 'lib/common/entropy_common.c'),
   join_paths(zstd_rootdir, 'lib/dictBuilder/cover.c'),
   join_paths(zstd_rootdir, 'lib/dictBuilder/fastcover.c'),
   join_paths(zstd_rootdir, 'lib/dictBuilder/divsufsort.c'),
-  join_paths(zstd_rootdir, 'lib/dictBuilder/zdict.c'),
-  join_paths(zstd_rootdir, 'lib/deprecated/zbuff_common.c'),
-  join_paths(zstd_rootdir, 'lib/deprecated/zbuff_compress.c'),
-  join_paths(zstd_rootdir, 'lib/deprecated/zbuff_decompress.c')]
+  join_paths(zstd_rootdir, 'lib/dictBuilder/zdict.c')]
 
 # Explicit define legacy support
 add_project_arguments('-DZSTD_LEGACY_SUPPORT=@0@'.format(legacy_level),

contrib/VS2005/zstdlib/zstdlib.vcproj

@@ -371,18 +371,6 @@
 				RelativePath="..\..\..\lib\common\xxhash.c"
 				>
 			</File>
-			<File
-				RelativePath="..\..\..\lib\deprecated\zbuff_common.c"
-				>
-			</File>
-			<File
-				RelativePath="..\..\..\lib\deprecated\zbuff_compress.c"
-				>
-			</File>
-			<File
-				RelativePath="..\..\..\lib\deprecated\zbuff_decompress.c"
-				>
-			</File>
 			<File
 				RelativePath="..\..\..\lib\dictBuilder\zdict.c"
 				>

lib/Makefile

@@ -91,7 +91,7 @@ endif
 ZSTD_LIB_COMPRESSION ?= 1
 ZSTD_LIB_DECOMPRESSION ?= 1
 ZSTD_LIB_DICTBUILDER ?= 1
-ZSTD_LIB_DEPRECATED ?= 1
+ZSTD_LIB_DEPRECATED ?= 0
 
 # Legacy support
 ZSTD_LEGACY_SUPPORT ?= 5

tests/Makefile

@@ -46,7 +46,6 @@ ZSTDCOMMON_FILES := $(ZSTDDIR)/common/*.c
 ZSTDCOMP_FILES   := $(ZSTDDIR)/compress/*.c
 ZSTDDECOMP_FILES := $(ZSTDDIR)/decompress/*.c
 ZSTD_FILES  := $(ZSTDDECOMP_FILES) $(ZSTDCOMMON_FILES) $(ZSTDCOMP_FILES)
-ZBUFF_FILES := $(ZSTDDIR)/deprecated/*.c
 ZDICT_FILES := $(ZSTDDIR)/dictBuilder/*.c
 
 ZSTD_F1 := $(wildcard $(ZSTD_FILES))
@@ -160,15 +159,6 @@ fuzzer32 : $(ZSTD_FILES)
 fuzzer-dll : $(ZSTDDIR)/common/xxhash.c $(PRGDIR)/util.c $(PRGDIR)/timefn.c $(PRGDIR)/datagen.c fuzzer.c
 	$(CC) $(CPPFLAGS) $(CFLAGS) $(filter %.c,$^) $(LDFLAGS) -o $@$(EXT)
 
-zbufftest zbufftest32 zbufftest-dll : CPPFLAGS += -I$(ZSTDDIR)/deprecated
-zbufftest zbufftest32 zbufftest-dll : CFLAGS += -Wno-deprecated-declarations   # required to silence deprecation warnings
-zbufftest32 : CFLAGS +=  -m32
-zbufftest zbufftest32 : $(ZSTD_OBJECTS) $(ZBUFF_FILES) $(PRGDIR)/util.c $(PRGDIR)/timefn.c $(PRGDIR)/datagen.c zbufftest.c
-	$(LINK.c) $^ -o $@$(EXT)
-
-zbufftest-dll : $(ZSTDDIR)/common/xxhash.c $(PRGDIR)/util.c $(PRGDIR)/timefn.c $(PRGDIR)/datagen.c zbufftest.c
-	$(CC) $(CPPFLAGS) $(CFLAGS) $(filter %.c,$^) $(LDFLAGS) -o $@$(EXT)
-
 ZSTREAM_LOCAL_FILES := $(PRGDIR)/datagen.c $(PRGDIR)/util.c $(PRGDIR)/timefn.c seqgen.c zstreamtest.c
 ZSTREAM_PROPER_FILES := $(ZDICT_FILES) $(ZSTREAM_LOCAL_FILES)
 ZSTREAMFILES := $(ZSTD_FILES) $(ZSTREAM_PROPER_FILES)
@@ -240,8 +230,8 @@ clean:
         $(PRGDIR)/zstd$(EXT) $(PRGDIR)/zstd32$(EXT) \
         fullbench$(EXT) fullbench32$(EXT) \
         fullbench-lib$(EXT) fullbench-dll$(EXT) \
-        fuzzer$(EXT) fuzzer32$(EXT) zbufftest$(EXT) zbufftest32$(EXT) \
-        fuzzer-dll$(EXT) zstreamtest-dll$(EXT) zbufftest-dll$(EXT) \
+        fuzzer$(EXT) fuzzer32$(EXT) \
+        fuzzer-dll$(EXT) zstreamtest-dll$(EXT) \
         zstreamtest$(EXT) zstreamtest32$(EXT) \
         datagen$(EXT) paramgrill$(EXT) roundTripCrash$(EXT) longmatch$(EXT) \
         symbols$(EXT) invalidDictionaries$(EXT) legacy$(EXT) poolTests$(EXT) \
@@ -345,12 +335,6 @@ test-fuzzer-stackmode: test-fuzzer
 test-fuzzer32: fuzzer32
 	$(QEMU_SYS) ./fuzzer32 -v $(FUZZERTEST) $(FUZZER_FLAGS)
 
-test-zbuff: zbufftest
-	$(QEMU_SYS) ./zbufftest $(ZSTREAM_TESTTIME)
-
-test-zbuff32: zbufftest32
-	$(QEMU_SYS) ./zbufftest32 $(ZSTREAM_TESTTIME)
-
 test-zstream: zstreamtest
 	$(QEMU_SYS) ./zstreamtest -v $(ZSTREAM_TESTTIME) $(FUZZER_FLAGS)
 	$(QEMU_SYS) ./zstreamtest --newapi -t1 $(ZSTREAM_TESTTIME) $(FUZZER_FLAGS)

tests/libzstd_partial_builds.sh

@@ -21,18 +21,18 @@ mustBeAbsent() {
     $ECHO "$@ correctly not present"  # for some reason, this $ECHO must exist, otherwise mustBeAbsent() always fails (??)
 }
 
-# default compilation : all features enabled
+# default compilation : all features enabled - no zbuff
 $ECHO "testing default library compilation"
 CFLAGS= make -C $DIR/../lib libzstd.a > $INTOVOID
 nm $DIR/../lib/libzstd.a | $GREP "\.o" > tmplog
 isPresent "zstd_compress.o"
 isPresent "zstd_decompress.o"
 isPresent "zdict.o"
 isPresent "zstd_v07.o"
-isPresent "zbuff_compress.o"
+mustBeAbsent "zbuff_compress.o"
 $RM $DIR/../lib/libzstd.a tmplog
 
-# compression disabled => also disable zdict and zbuff
+# compression disabled => also disable zdict
 $ECHO "testing with compression disabled"
 ZSTD_LIB_COMPRESSION=0 CFLAGS= make -C $DIR/../lib libzstd.a > $INTOVOID
 nm $DIR/../lib/libzstd.a | $GREP "\.o" > tmplog
@@ -43,7 +43,7 @@ isPresent "zstd_v07.o"
 mustBeAbsent "zbuff_compress.o"
 $RM $DIR/../lib/libzstd.a tmplog
 
-# decompression disabled => also disable legacy and zbuff
+# decompression disabled => also disable legacy
 $ECHO "testing with decompression disabled"
 ZSTD_LIB_DECOMPRESSION=0 CFLAGS= make -C $DIR/../lib libzstd.a > $INTOVOID
 nm $DIR/../lib/libzstd.a | $GREP "\.o" > tmplog
@@ -65,6 +65,17 @@ isPresent "zstd_v07.o"
 mustBeAbsent "zbuff_compress.o"
 $RM $DIR/../lib/libzstd.a tmplog
 
+# deprecated function enabled => zbuff present
+$ECHO "testing with deprecated functions enabled"
+ZSTD_LIB_DEPRECATED=1 CFLAGS= make -C $DIR/../lib libzstd.a > $INTOVOID
+nm $DIR/../lib/libzstd.a | $GREP "\.o" > tmplog
+isPresent "zstd_compress.o"
+isPresent "zstd_decompress.o"
+isPresent "zdict.o"
+isPresent "zstd_v07.o"
+isPresent "zbuff_compress.o"
+$RM $DIR/../lib/libzstd.a tmplog
+
 # dictionary builder disabled => only remove zdict
 $ECHO "testing with dictionary builder disabled"
 ZSTD_LIB_DICTBUILDER=0 CFLAGS= make -C $DIR/../lib libzstd.a > $INTOVOID
@@ -73,7 +84,7 @@ isPresent "zstd_compress.o"
 isPresent "zstd_decompress.o"
 mustBeAbsent "zdict.o"
 isPresent "zstd_v07.o"
-isPresent "zbuff_compress.o"
+mustBeAbsent "zbuff_compress.o"
 $RM $DIR/../lib/libzstd.a tmplog
 
 # both decompression and dictionary builder disabled => only compression remains