added zlibWrapper - zstd wrapper for zlib

zlibWrapper/Makefile

@@ -0,0 +1,54 @@
+# Makefile for example of using zstd wrapper for zlib
+#
+# make - compiles statically and dynamically linked examples/example.c
+# make test testdll - compiles and runs statically and dynamically linked examples/example.c
+# make LOC=-DZWRAP_USE_ZSTD=1 - compiles statically and dynamically linked examples/example.c with zstd compression turned on
+
+
+# Paths to static and dynamic zlib and zstd libraries
+ifneq (,$(filter Windows%,$(OS)))
+STATICLIB = ../../zlib/libz.a ../lib/libzstd.a
+IMPLIB    = ../../zlib/libz.dll.a ../lib/libzstd.a
+else
+STATICLIB = -static -lz ../lib/libzstd.a
+IMPLIB    = -lz ../lib/libzstd.a
+endif
+
+ZLIBWRAPPER_PATH = .
+EXAMPLE_PATH = examples/
+CC = gcc
+CFLAGS = $(LOC) -I../lib/common -I$(ZLIBWRAPPER_PATH) -O3 -Wall -std=gnu89
+LDFLAGS = $(LOC)
+RM = rm -f
+
+
+all: example example_d
+
+test: example
+	./example
+
+testdll: example_d
+	./example_d
+
+.c.o:
+	$(CC) $(CFLAGS) -c -o $@ $<
+
+example: $(EXAMPLE_PATH)/example.o $(ZLIBWRAPPER_PATH)/zstd_zlibwrapper.o
+	$(CC) $(LDFLAGS) -o $@ $(EXAMPLE_PATH)/example.o $(ZLIBWRAPPER_PATH)/zstd_zlibwrapper.o $(STATICLIB)
+
+example_d: $(EXAMPLE_PATH)/example.o $(ZLIBWRAPPER_PATH)/zstd_zlibwrapper.o
+	$(CC) $(LDFLAGS) -o $@ $(EXAMPLE_PATH)/example.o $(ZLIBWRAPPER_PATH)/zstd_zlibwrapper.o $(IMPLIB)
+
+$(EXAMPLE_PATH)/example.o: $(EXAMPLE_PATH)/example.c
+	$(CC) $(CFLAGS) -I. -c -o $@ $(EXAMPLE_PATH)/example.c
+
+$(ZLIBWRAPPER_PATH)/zstd_zlibwrapper.o: $(ZLIBWRAPPER_PATH)/zstd_zlibwrapper.c $(ZLIBWRAPPER_PATH)/zstd_zlibwrapper.h
+	$(CC) $(CFLAGS) -I. -c -o $@ $(ZLIBWRAPPER_PATH)/zstd_zlibwrapper.c
+
+clean:
+	-$(RM) $(ZLIBWRAPPER_PATH)/*.o
+	-$(RM) $(EXAMPLE_PATH)/*.o
+	-$(RM) *.o
+	-$(RM) *.exe
+	-$(RM) foo.gz
+