Protects internal headers against incorrect/multiple inclusions

src/audio_output/aout_internal.h

@@ -21,6 +21,13 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
 
+#if defined(__PLUGIN__) || defined(__BUILTIN__) || !defined(__LIBVLC__)
+# error This header file can only be included from LibVLC.
+#endif
+
+#ifndef __LIBVLC_AOUT_INTERNAL_H
+# define __LIBVLC_AOUT_INTERNAL_H 1
+
 #if defined( __APPLE__ ) || defined( SYS_BSD )
 #undef HAVE_ALLOCA
 #endif
@@ -131,3 +138,4 @@ aout_buffer_t * aout_DecNewBuffer( aout_instance_t *, aout_input_t *, size_t );
 void aout_DecDeleteBuffer( aout_instance_t *, aout_input_t *, aout_buffer_t * );
 int aout_DecPlay( aout_instance_t *, aout_input_t *, aout_buffer_t *, int i_input_rate );
 
+#endif /* !__LIBVLC_AOUT_INTERNAL_H */

src/input/input_internal.h

@@ -21,6 +21,10 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
 
+#if defined(__PLUGIN__) || defined(__BUILTIN__) || !defined(__LIBVLC__)
+# error This header file can only be included from LibVLC.
+#endif
+
 #ifndef _INPUT_INTERNAL_H
 #define _INPUT_INTERNAL_H 1
 
@@ -357,9 +361,6 @@ static inline int demux2_Control( demux_t *p_demux, int i_query, ... )
     return i_result;
 }
 
-#if defined(__PLUGIN__) || defined(__BUILTIN__)
-# warning This is an internal header, something is wrong if you see this message.
-#else
 /* Stream */
 /**
  * stream_t definition
@@ -389,6 +390,5 @@ static inline stream_t *vlc_stream_create( vlc_object_t *obj )
     return (stream_t *)vlc_custom_create( obj, sizeof(stream_t),
                                           VLC_OBJECT_STREAM, "stream" );
 }
-#endif
 
 #endif

src/input/vlm_internal.h

@@ -21,6 +21,10 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
 
+#if defined(__PLUGIN__) || defined(__BUILTIN__) || !defined(__LIBVLC__)
+# error This header file can only be included from LibVLC.
+#endif
+
 #ifndef _VLM_INTERNAL_H
 #define _VLM_INTERNAL_H 1
 

src/interface/interface.h

@@ -23,9 +23,17 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
 
+#if defined(__PLUGIN__) || defined(__BUILTIN__) || !defined(__LIBVLC__)
+# error This header file can only be included from LibVLC.
+#endif
+
+#ifndef __LIBVLC_INTERFACE_H
+# define __LIBVLC_INTERFACE_H 1
+
 /**********************************************************************
  * Interaction
  **********************************************************************/
 
 void intf_InteractionManage( playlist_t *);
 void intf_InteractionDestroy( interaction_t *);
+#endif

src/misc/variables.h

@@ -21,6 +21,12 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
 
+#if defined(__PLUGIN__) || defined(__BUILTIN__) || !defined(__LIBVLC__)
+# error This header file can only be included from LibVLC.
+#endif
+
+#ifndef __LIBVLC_VARIABLES_H
+# define __LIBVLC_VARIABLES_H 1
 
 typedef struct callback_entry_t callback_entry_t;
 
@@ -69,4 +75,4 @@ struct variable_t
     /** Array of registered callbacks */
     callback_entry_t * p_entries;
 };
-
+#endif

src/modules/configuration.h

@@ -18,6 +18,10 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
 
+#if defined(__PLUGIN__) || defined(__BUILTIN__) || !defined(__LIBVLC__)
+# error This header file can only be included from LibVLC.
+#endif
+
 #ifndef LIBVLC_CONFIGURATION_H
 # define LIBVLC_CONFIGURATION_H 1
 

src/modules/modules.h

@@ -21,6 +21,14 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
 
+#if defined(__PLUGIN__) || defined(__BUILTIN__) || !defined(__LIBVLC__)
+# error This header file can only be included from LibVLC.
+#endif
+
+#ifndef __LIBVLC_MODULES_H
+# define __LIBVLC_MODULES_H 1
+
+
 /* Number of tries before we unload an unused module */
 #define MODULE_HIDE_DELAY 50
 
@@ -152,3 +160,5 @@ void  __module_LoadPlugins     ( vlc_object_t * );
 void  __module_EndBank         ( vlc_object_t * );
 #define module_ResetBank(a)    __module_ResetBank(VLC_OBJECT(a))
 void  __module_ResetBank       ( vlc_object_t * );
+
+#endif /* !__LIBVLC_MODULES_H */

src/playlist/playlist_internal.h

@@ -22,6 +22,9 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
 
+#ifndef __LIBVLC_PLAYLIST_INTERNAL_H
+# define __LIBVLC_PLAYLIST_INTERNAL_H 1
+
 /**
  *  \file
  *  This file contain internal structures and function prototypes related
@@ -130,3 +133,4 @@ int playlist_ItemDelete ( playlist_item_t * );
 #endif
 
 #define PLI_NAME( p ) p && p->p_input ? p->p_input->psz_name : "null"
+#endif /* !__LIBVLC_PLAYLIST_INTERNAL_H */

src/stream_output/stream_output.h

@@ -24,6 +24,10 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  ***************************************************************************/
 
+#if defined(__PLUGIN__) || defined(__BUILTIN__) || !defined(__LIBVLC__)
+# error This header file can only be included from LibVLC.
+#endif
+
 #ifndef VLC_SRC_STREAMOUT_H
 # define VLC_SRC_STREAMOUT_H 1