Add support for GCC hidden visibility.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit 19b0ebb416)

src/carddav.h

@@ -46,6 +46,18 @@
 
 #include <time.h>
 
+
+#if defined(__KDE_HAVE_GCC_VISIBILITY) || defined(G_HAVE_GCC_VISIBILITY)
+#define CARDDAV_NO_EXPORT __attribute__ ((visibility("hidden")))
+#define CARDDAV_EXPORT __attribute__ ((visibility("default")))
+#elif defined(_WIN32)
+#define CARDDAV_NO_EXPORT
+#define CARDDAV_EXPORT __declspec(dllexport)
+#else
+#define CARDDAV_NO_EXPORT
+#define CARDDAV_EXPORT
+#endif
+
 /* For debug purposes */
 /**
  * @typedef struct debug_curl
@@ -165,6 +177,7 @@ typedef enum {
  * @param info Pointer to a runtime_info structure. @see runtime_info
  * @return Ok, FORBIDDEN, or CONFLICT. @see CARDDAV_RESPONSE
  */
+CARDDAV_EXPORT
 CARDDAV_RESPONSE carddav_add_object(const char* object,
 				  const char* URL,
 				  runtime_info* info);
@@ -179,6 +192,7 @@ CARDDAV_RESPONSE carddav_add_object(const char* object,
  * @param info Pointer to a runtime_info structure. @see runtime_info
  * @return Ok, FORBIDDEN, or CONFLICT. @see CARDDAV_RESPONSE
  */
+CARDDAV_EXPORT
 CARDDAV_RESPONSE carddav_delete_object(const char* object,
 				     const char* URL,
 				     runtime_info* info);
@@ -193,6 +207,7 @@ CARDDAV_RESPONSE carddav_delete_object(const char* object,
  * @param info Pointer to a runtime_info structure. @see runtime_info
  * @return Ok, FORBIDDEN, or CONFLICT. @see CARDDAV_RESPONSE
  */
+CARDDAV_EXPORT
 CARDDAV_RESPONSE carddav_delete_object_by_uri(const char* object,
 				     const char* URL,
 				     runtime_info* info);
@@ -207,6 +222,7 @@ CARDDAV_RESPONSE carddav_delete_object_by_uri(const char* object,
  * @param info Pointer to a runtime_info structure. @see runtime_info
  * @return Ok, FORBIDDEN, or CONFLICT. @see CARDDAV_RESPONSE
  */
+CARDDAV_EXPORT
 CARDDAV_RESPONSE carddav_modify_object(const char* object,
 				     const char* URL,
 				     runtime_info* info);
@@ -221,6 +237,7 @@ CARDDAV_RESPONSE carddav_modify_object(const char* object,
  * @param info Pointer to a runtime_info structure. @see runtime_info
  * @return Ok, FORBIDDEN, or CONFLICT. @see CARDDAV_RESPONSE
  */
+CARDDAV_EXPORT
 CARDDAV_RESPONSE carddav_modify_object_by_uri(const char* object,
 				     const char* URL,
 				     runtime_info* info);
@@ -237,6 +254,7 @@ CARDDAV_RESPONSE carddav_modify_object_by_uri(const char* object,
  * @param info Pointer to a runtime_info structure. @see runtime_info
  * @return Ok, FORBIDDEN, or CONFLICT. @see CARDDAV_RESPONSE
  */
+CARDDAV_EXPORT
 CARDDAV_RESPONSE carddav_get_object(response* result,
 				  time_t start,
 				  time_t end,
@@ -253,6 +271,7 @@ CARDDAV_RESPONSE carddav_get_object(response* result,
  * @param info Pointer to a runtime_info structure. @see runtime_info
  * @return Ok, FORBIDDEN, or CONFLICT. @see CARDDAV_RESPONSE
  */
+CARDDAV_EXPORT
 CARDDAV_RESPONSE carddav_getall_object(response* result,
 				     const char* URL,
 				     runtime_info* info);
@@ -268,6 +287,7 @@ CARDDAV_RESPONSE carddav_getall_object(response* result,
  * @param info Pointer to a runtime_info structure. @see runtime_info
  * @return Ok, FORBIDDEN, or CONFLICT. @see CARDDAV_RESPONSE
  */
+CARDDAV_EXPORT
 CARDDAV_RESPONSE carddav_getall_object_by_uri(response* result,
 				     const char* URL,
 				     runtime_info* info);
@@ -282,6 +302,7 @@ CARDDAV_RESPONSE carddav_getall_object_by_uri(response* result,
  * @param info Pointer to a runtime_info structure. @see runtime_info
  * @return Ok, FORBIDDEN, or CONFLICT. @see CARDDAV_RESPONSE
  */
+CARDDAV_EXPORT
 CARDDAV_RESPONSE carddav_get_displayname(response* result,
 				       const char* URL,
 				       runtime_info* info);
@@ -295,6 +316,7 @@ CARDDAV_RESPONSE carddav_get_displayname(response* result,
  * @result 0 (zero) means no CardDAV support, otherwise CardDAV support
  * detechted.
  */
+CARDDAV_EXPORT
 int carddav_enabled_resource(const char* URL, runtime_info* info);
 
 /**
@@ -310,6 +332,7 @@ int carddav_enabled_resource(const char* URL, runtime_info* info);
  * See (RFC1738).
  * @return Ok, FORBIDDEN, or CONFLICT. @see CARDDAV_RESPONSE
  */
+CARDDAV_EXPORT
 CARDDAV_RESPONSE carddav_get_freebusy(response *result,
 				  					time_t start,
 				  					time_t end,
@@ -327,6 +350,7 @@ CARDDAV_RESPONSE carddav_get_freebusy(response *result,
  * @return An initialized carddav_error pointer to memory where error
  * messages can be found from the last call to the library.
  */
+CARDDAV_EXPORT
 carddav_error* carddav_get_error(carddav_error* lib_error);
 
 /** 
@@ -335,6 +359,7 @@ carddav_error* carddav_get_error(carddav_error* lib_error);
  * Caller provides a pointer to a local carddav_error structure.
  * @param lib_error A pointer to a struct _carddav_error. @see _carddav_error
  */
+CARDDAV_EXPORT
 void carddav_free_error(carddav_error* lib_error);
 
 /* Setting various options in library */
@@ -344,6 +369,7 @@ void carddav_free_error(carddav_error* lib_error);
  * Function which supports sending various options inside the library.
  * @param curl_options A struct debug_curl. See debug_curl.
  */
+CARDDAV_EXPORT
 void carddav_set_options(debug_curl curl_options);
 
 /**
@@ -354,12 +380,14 @@ void carddav_set_options(debug_curl curl_options);
  * @param info Pointer to a runtime_info structure. @see runtime_info
  * @result A list of available options or NULL in case of any error.
  */
+CARDDAV_EXPORT
 char** carddav_get_server_options(const char* URL, runtime_info* info);
 
 /**
  * Function for getting an initialized runtime_info structure
  * @return runtime_info. @see runtime_info
  */
+CARDDAV_EXPORT
 runtime_info* carddav_get_runtime_info();
 
 /**
@@ -368,12 +396,14 @@ runtime_info* carddav_get_runtime_info();
  * @param info Address to a pointer to a runtime_info structure. @see 
  * runtime_info
  */
+CARDDAV_EXPORT
 void carddav_free_runtime_info(runtime_info** info);
 
 /**
  * Function for getting an initialized response structure
  * @return response. @see _response
  */
+CARDDAV_EXPORT
 response* carddav_get_response();
 
 /**
@@ -382,6 +412,7 @@ response* carddav_get_response();
  * @param info Address to a pointer to a response structure. @see 
  * _response
  */
+CARDDAV_EXPORT
 void carddav_free_response(response** info);
 
 #endif