CJSON_EXPORT for msvc

1 files changed, 8 insertions, 2 deletions

diff --git a/lua_cjson.c b/lua_cjson.c
index 8f74a3d..22f33f1 100644
--- a/lua_cjson.c
+++ b/lua_cjson.c
@@ -54,6 +54,12 @@
 #define CJSON_VERSION   "2.1devel"
 #endif
 
+#ifdef _MSC_VER
+#define CJSON_EXPORT    __declspec(dllexport)
+#else
+#define CJSON_EXPORT    extern
+#endif
+
 /* Workaround for Solaris platforms missing isinf() */
 #if !defined(isinf) && (defined(USE_INTERNAL_ISINF) || defined(MISSING_ISINF))
 #define isinf(x) (!isnan(x) && isnan((x) - (x)))
@@ -1407,7 +1413,7 @@ static int lua_cjson_safe_new(lua_State *l)
     return 1;
 }
 
-int luaopen_cjson(lua_State *l)
+CJSON_EXPORT int luaopen_cjson(lua_State *l)
 {
     lua_cjson_new(l);
 
@@ -1421,7 +1427,7 @@ int luaopen_cjson(lua_State *l)
     return 1;
 }
 
-int luaopen_cjson_safe(lua_State *l)
+CJSON_EXPORT int luaopen_cjson_safe(lua_State *l)
 {
     lua_cjson_safe_new(l);