Use NULL instead of 0 for pointers.

modules/access/rtsp/access.c

@@ -179,7 +179,7 @@ static int Open( vlc_object_t *p_this )
     p_access->p_sys = p_sys = malloc( sizeof( access_sys_t ) );
     p_sys->p_rtsp = malloc( sizeof( rtsp_client_t) );
 
-    p_sys->p_header = 0;
+    p_sys->p_header = NULL;
     p_sys->p_rtsp->p_userdata = p_access;
     p_sys->p_rtsp->pf_connect = RtspConnect;
     p_sys->p_rtsp->pf_disconnect = RtspDisconnect;
@@ -192,7 +192,7 @@ static int Open( vlc_object_t *p_this )
     {
         msg_Dbg( p_access, "could not connect to: %s", p_access->psz_path );
         free( p_sys->p_rtsp );
-        p_sys->p_rtsp = 0;
+        p_sys->p_rtsp = NULL;
         goto error;
     }
 
@@ -284,12 +284,12 @@ static block_t *BlockRead( access_t *p_access )
     if( p_sys->p_header )
     {
         p_block = p_sys->p_header;
-        p_sys->p_header = 0;
+        p_sys->p_header = NULL;
         return p_block;
     }
 
     i_size = real_get_rdt_chunk_header( p_access->p_sys->p_rtsp, &pheader );
-    if( i_size <= 0 ) return 0;
+    if( i_size <= 0 ) return NULL;
 
     p_block = block_New( p_access, i_size );
     p_block->i_buffer = real_get_rdt_chunk( p_access->p_sys->p_rtsp, &pheader,

modules/access/smb.c

@@ -129,7 +129,7 @@ static int Open( vlc_object_t *p_this )
     access_sys_t *p_sys;
     struct stat  filestat;
     char         *psz_path, *psz_uri;
-    char         *psz_user = 0, *psz_pwd = 0, *psz_domain = 0;
+    char         *psz_user = NULL, *psz_pwd = NULL, *psz_domain = NULL;
     int          i_ret;
 
 #ifdef USE_CTX
@@ -189,11 +189,11 @@ static int Open( vlc_object_t *p_this )
      * smb://[[[domain;]user[:password@]]server[/share[/path[/file]]]] */
 
     if( !psz_user ) psz_user = var_CreateGetString( p_access, "smb-user" );
-    if( psz_user && !*psz_user ) { free( psz_user ); psz_user = 0; }
+    if( psz_user && !*psz_user ) { free( psz_user ); psz_user = NULL; }
     if( !psz_pwd ) psz_pwd = var_CreateGetString( p_access, "smb-pwd" );
-    if( psz_pwd && !*psz_pwd ) { free( psz_pwd ); psz_pwd = 0; }
+    if( psz_pwd && !*psz_pwd ) { free( psz_pwd ); psz_pwd = NULL; }
     if( !psz_domain ) psz_domain = var_CreateGetString( p_access, "smb-domain" );
-    if( psz_domain && !*psz_domain ) { free( psz_domain ); psz_domain = 0; }
+    if( psz_domain && !*psz_domain ) { free( psz_domain ); psz_domain = NULL; }
 
 #ifdef WIN32
     if( psz_user )

modules/codec/dvbsub.c

@@ -932,7 +932,7 @@ static void decode_region_composition( decoder_t *p_dec, bs_t *s )
         p_obj->i_x          = bs_read( s, 12 );
         bs_skip( s, 4 ); /* Reserved */
         p_obj->i_y          = bs_read( s, 12 );
-        p_obj->psz_text     = 0;
+        p_obj->psz_text     = NULL;
 
         i_processed_length += 6;
 

modules/demux/playlist/dvb.c

@@ -193,13 +193,13 @@ static const struct
 static int ParseLine( char *psz_line, char **ppsz_name,
                       char ***pppsz_options, int *pi_options )
 {
-    char *psz_name = 0, *psz_parse = psz_line;
+    char *psz_name = NULL, *psz_parse = psz_line;
     int i_count = 0, i_program = 0, i_frequency = 0;
     bool b_valid = false;
 
-    if( pppsz_options ) *pppsz_options = 0;
+    if( pppsz_options ) *pppsz_options = NULL;
     if( pi_options ) *pi_options = 0;
-    if( ppsz_name ) *ppsz_name = 0;
+    if( ppsz_name ) *ppsz_name = NULL;
 
     /* Skip leading tabs and spaces */
     while( *psz_parse == ' ' || *psz_parse == '\t' ||
@@ -210,7 +210,7 @@ static int ParseLine( char *psz_line, char **ppsz_name,
 
     while( psz_parse )
     {
-        const char *psz_option = 0;
+        const char *psz_option = NULL;
         char *psz_end = strchr( psz_parse, ':' );
         if( psz_end ) { *psz_end = 0; psz_end++; }
 
@@ -281,7 +281,7 @@ static int ParseLine( char *psz_line, char **ppsz_name,
         /* This isn't a valid channels file, cleanup everything */
         while( (*pi_options)-- ) free( (*pppsz_options)[*pi_options] );
         free( *pppsz_options );
-        *pppsz_options = 0; *pi_options = 0;
+        *pppsz_options = NULL; *pi_options = 0;
     }
 
     if( i_program && pppsz_options && pi_options )

modules/misc/rtsp.c

@@ -260,8 +260,8 @@ static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
 static int Open( vlc_object_t *p_this )
 {
     vod_t *p_vod = (vod_t *)p_this;
-    vod_sys_t *p_sys = 0;
-    char *psz_url = 0;
+    vod_sys_t *p_sys = NULL;
+    char *psz_url = NULL;
     vlc_url_t url;
 
     psz_url = config_GetPsz( p_vod, "rtsp-host" );
@@ -378,7 +378,7 @@ static vod_media_t *MediaNew( vod_t *p_vod, const char *psz_name,
     memset( p_media, 0, sizeof(vod_media_t) );
     p_media->id = p_sys->i_media_id++;
     TAB_INIT( p_media->i_es, p_media->es );
-    p_media->psz_mux = 0;
+    p_media->psz_mux = NULL;
     TAB_INIT( p_media->i_rtsp, p_media->rtsp );
     p_media->b_raw = false;