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changed : dll : only approved ZSTD symbols are now exposed. All other symbols remain internal.

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This commit is contained in:
Yann Collet 2016-12-07 16:39:34 -08:00
parent c0a1d6deb0
commit 426a9d4b71
3 changed files with 11 additions and 21 deletions
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2
lib/Makefile
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@ -70,7 +70,7 @@ libzstd.a: $(ZSTD_FILES)
@$(CC) $(FLAGS) -c $^
@$(AR) $(ARFLAGS) $@ *.o
$(LIBZSTD): LDFLAGS += -shared -fPIC
$(LIBZSTD): LDFLAGS += -shared -fPIC -fvisibility=hidden
$(LIBZSTD): $(ZSTD_FILES)
@echo compiling dynamic library $(LIBVER)
ifneq (,$(filter Windows%,$(OS)))

20
lib/deprecated/zbuff.h
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@ -27,20 +27,12 @@ extern "C" {
* Dependencies
***************************************/
#include <stddef.h> /* size_t */
#include <zstd.h> /* ZSTD_CStream, ZSTD_DStream */
#include <zstd.h> /* ZSTD_CStream, ZSTD_DStream, ZSTDLIB_API */
/* ***************************************************************
* Compiler specifics
*****************************************************************/
/* ZSTD_DLL_EXPORT :
* Enable exporting of functions when building a Windows DLL */
#if defined(_WIN32) && defined(ZSTD_DLL_EXPORT) && (ZSTD_DLL_EXPORT==1)
# define ZSTDLIB_API __declspec(dllexport)
#else
# define ZSTDLIB_API
#endif
/* Deprecation warnings */
/* Should these warnings be a problem,
it is generally possible to disable them,
@ -48,17 +40,17 @@ extern "C" {
or _CRT_SECURE_NO_WARNINGS in Visual.
Otherwise, it's also possible to define ZBUFF_DISABLE_DEPRECATE_WARNINGS */
#ifdef ZBUFF_DISABLE_DEPRECATE_WARNINGS
# define ZBUFF_DEPRECATED(message) /* disable deprecation warnings */
# define ZBUFF_DEPRECATED(message) ZSTDLIB_API /* disable deprecation warnings */
#else
# if (defined(__GNUC__) && (__GNUC__ >= 5)) || defined(__clang__)
# define ZBUFF_DEPRECATED(message) __attribute__((deprecated(message)))
# define ZBUFF_DEPRECATED(message) ZSTDLIB_API __attribute__((deprecated(message)))
# elif defined(__GNUC__) && (__GNUC__ >= 3)
# define ZBUFF_DEPRECATED(message) __attribute__((deprecated))
# define ZBUFF_DEPRECATED(message) ZSTDLIB_API __attribute__((deprecated))
# elif defined(_MSC_VER)
# define ZBUFF_DEPRECATED(message) __declspec(deprecated(message))
# define ZBUFF_DEPRECATED(message) ZSTDLIB_API __declspec(deprecated(message))
# else
# pragma message("WARNING: You need to implement ZBUFF_DEPRECATED for this compiler")
# define ZBUFF_DEPRECATED(message)
# define ZBUFF_DEPRECATED(message) ZSTDLIB_API
# endif
#endif /* ZBUFF_DISABLE_DEPRECATE_WARNINGS */

10
lib/zstd.h
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@ -18,12 +18,10 @@ extern "C" {
#include <stddef.h> /* size_t */
/* ====== Export for Windows ======*/
/*
* ZSTD_DLL_EXPORT :
* Enable exporting of functions when building a Windows DLL
*/
#if defined(ZSTD_DLL_EXPORT) && (ZSTD_DLL_EXPORT==1)
/* ===== ZSTDLIB_API : control library symbols visibility ===== */
#if defined(__GNUC__) && (__GNUC__ >= 4)
# define ZSTDLIB_API __attribute__ ((visibility ("default")))
#elif defined(ZSTD_DLL_EXPORT) && (ZSTD_DLL_EXPORT==1)
# define ZSTDLIB_API __declspec(dllexport)
#elif defined(ZSTD_DLL_IMPORT) && (ZSTD_DLL_IMPORT==1)
# define ZSTDLIB_API __declspec(dllimport) /* It isn't required but allows to generate better code, saving a function pointer load from the IAT and an indirect jump.*/