Export public plugin functions.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit 326fe7986c)

src/npunix.c

@@ -14,9 +14,14 @@
 
 #define XP_UNIX 1
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include <stdio.h>
 #include "npapi.h"
 #include "npupp.h"
+#include "plugin-exports.h"
 
 /*
  * Define PLUGIN_TRACE to have the wrapper functions print
@@ -251,7 +256,7 @@ Private_Print(NPP instance, NPPrint* platformPrint)
  *	- Netscape uses the return value to identify when an object instance
  *	  of this plugin should be created.
  */
-char *
+PLUGIN_EXPORT char *
 NP_GetMIMEDescription(void)
 {
 	return NPP_GetMIMEDescription();
@@ -263,7 +268,7 @@ NP_GetMIMEDescription(void)
  *	- Interfaces with plugin to get values for predefined variables
  *	  that the navigator needs.
  */
-NPError
+PLUGIN_EXPORT NPError
 NP_GetValue(void *future, NPPVariable variable, void *value)
 {
 	return NPP_GetValue(future, variable, value);
@@ -286,7 +291,7 @@ NP_GetValue(void *future, NPPVariable variable, void *value)
  *		  library will use this function table to call the plugin.
  *
  */
-NPError
+PLUGIN_EXPORT NPError
 NP_Initialize(NPNetscapeFuncs* nsTable, NPPluginFuncs* pluginFuncs)
 {
 	NPError err = NPERR_NO_ERROR;
@@ -376,7 +381,7 @@ NP_Initialize(NPNetscapeFuncs* nsTable, NPPluginFuncs* pluginFuncs)
  *	  the last object of this kind has been destroyed.
  *
  */
-NPError
+PLUGIN_EXPORT NPError
 NP_Shutdown(void)
 {
  	PLUGINDEBUGSTR("NP_Shutdown");

src/plugin-exports.h

@@ -0,0 +1,34 @@
+/*
+    Copyright (c) 2020 TDE Team
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+
+#ifndef _PLUGIN_EXPORTS_H_
+#define _PLUGIN_EXPORTS_H_
+
+#ifdef __KDE_HAVE_GCC_VISIBILITY
+#define PLUGIN_NO_EXPORT __attribute__ ((visibility("hidden")))
+#define PLUGIN_EXPORT __attribute__ ((visibility("default")))
+#elif defined(Q_WS_WIN)
+#define PLUGIN_NO_EXPORT
+#define PLUGIN_EXPORT __declspec(dllexport)
+#else
+#define PLUGIN_NO_EXPORT
+#define PLUGIN_EXPORT
+#endif
+
+#endif /* _PLUGIN_EXPORTS_H_ */

src/plugin.c

@@ -36,8 +36,9 @@
  *
  */
 
-
-
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include <sys/types.h>
 #include <sys/wait.h>
@@ -69,6 +70,7 @@
 
 #include "npapi.h"
 #include "plugin.h"
+#include "plugin-exports.h"
 
 
 /* define LOG to write debug messages to /tmp/kaffeine_plugin.log */
@@ -139,6 +141,7 @@ static void xprintf (const char *format, ...) {
 #endif
 }
 
+PLUGIN_EXPORT
 char *NPP_GetMIMEDescription(void) {
 
   xprintf("NPP_GetMIMEDescription:\n");
@@ -166,6 +169,7 @@ char *NPP_GetMIMEDescription(void) {
 	 ;
 }
 
+PLUGIN_EXPORT
 NPError NPP_GetValue(void *future, NPPVariable variable, void *value){
 
   NPError err = NPERR_NO_ERROR;
@@ -185,6 +189,7 @@ NPError NPP_GetValue(void *future, NPPVariable variable, void *value){
   return err;
 }
 
+PLUGIN_EXPORT
 NPError NPP_Initialize(void) {
 
   xprintf("NPP_Initialize:\n");
@@ -200,11 +205,13 @@ NPError NPP_Initialize(void) {
 }
 
 
+PLUGIN_EXPORT
 void * NPP_GetJavaClass() {
   xprintf("NPP_GetJavaClass:\n");
   return NULL;
 }
 
+PLUGIN_EXPORT
 void NPP_Shutdown(void) {
  xprintf("NPP_Shutdown:\n");
 }
@@ -317,6 +324,7 @@ static void got_url (const char *url_) {
 
 }
 
+PLUGIN_EXPORT
 NPError NPP_New(NPMIMEType pluginType, NPP instance,
 		uint16 mode,
 		int16 argc, char* argn[], char* argv[],
@@ -378,6 +386,7 @@ NPError NPP_New(NPMIMEType pluginType, NPP instance,
 }
 
 
+PLUGIN_EXPORT
 NPError NPP_SetWindow(NPP instance, NPWindow* window) {
 
   plugin_instance_t* this;
@@ -438,6 +447,7 @@ NPError NPP_SetWindow(NPP instance, NPWindow* window) {
   return NPERR_NO_ERROR;
 }
 
+PLUGIN_EXPORT
 NPError NPP_Destroy(NPP instance, NPSavedData** save) {
 
   plugin_instance_t* this;
@@ -463,6 +473,7 @@ NPError NPP_Destroy(NPP instance, NPSavedData** save) {
 }
 
 
+PLUGIN_EXPORT
 NPError NPP_NewStream (NPP instance,
 		       NPMIMEType type,
 		       NPStream *stream,
@@ -516,6 +527,7 @@ int32 STREAMBUFSIZE = 0X0FFFFFFF; /* If we are reading from a file in NPAsFile
 				   * mode so we can take any size stream in our
 				   * write call (since we ignore it) */
 
+PLUGIN_EXPORT
 int32 NPP_WriteReady(NPP instance, NPStream *stream) {
 
   plugin_instance_t* this;
@@ -527,6 +539,7 @@ int32 NPP_WriteReady(NPP instance, NPStream *stream) {
 }
 
 
+PLUGIN_EXPORT
 int32 NPP_Write(NPP instance, NPStream *stream, int32 offset, int32 len, void *buffer) {
 
  xprintf("NPP_Write:\n");
@@ -540,6 +553,7 @@ int32 NPP_Write(NPP instance, NPStream *stream, int32 offset, int32 len, void *b
 }
 
 
+PLUGIN_EXPORT
 NPError NPP_DestroyStream(NPP instance, NPStream *stream, NPError reason) {
 
   plugin_instance_t* this;
@@ -553,6 +567,7 @@ NPError NPP_DestroyStream(NPP instance, NPStream *stream, NPError reason) {
 }
 
 
+PLUGIN_EXPORT
 void NPP_StreamAsFile(NPP instance, NPStream *stream, const char* fname) {
 
   plugin_instance_t* this;
@@ -563,6 +578,7 @@ void NPP_StreamAsFile(NPP instance, NPStream *stream, const char* fname) {
 }
 
 
+PLUGIN_EXPORT
 void NPP_Print(NPP instance, NPPrint* printInfo) {
 
   xprintf("NPP_Print:\n");
@@ -572,6 +588,7 @@ void NPP_Print(NPP instance, NPPrint* printInfo) {
   xprintf("NPP_Print: Not implemented. \n");
 }
 
+PLUGIN_EXPORT
 int16 NPP_HandleEvent(NPP instance, void* ev) {
 
   xprintf("NPP_HandleEvent\n");