Even more input validation

darcs-hash:20060621100746-ac50b-8aa5648c05a656829a895669be27c6fa4f1d8458.gz

common.c

@@ -208,7 +208,12 @@ wchar_t *str2wcs_internal( const char *in, wchar_t *out )
 	int in_pos=0;
 	int out_pos = 0;
 	mbstate_t state;
-	size_t len = strlen(in);
+	size_t len;
+
+	CHECK( in, 0 );
+	CHECK( out, 0 );
+		
+	len = strlen(in);
 
 	memset( &state, 0, sizeof(state) );
 	
@@ -265,6 +270,10 @@ char *wcs2str_internal( const wchar_t *in, char *out )
 	int in_pos=0;
 	int out_pos = 0;
 	mbstate_t state;
+
+	CHECK( in, 0 );
+	CHECK( out, 0 );
+	
 	memset( &state, 0, sizeof(state) );
 	
 	while( in[in_pos] )

env.c

@@ -1206,6 +1206,8 @@ void env_get_names( array_list_t *l, int flags )
 	hash_table_t names;
 	env_node_t *n=top;
 
+	CHECK( l, );
+	
 	get_names_show_exported = 
 		flags & ENV_EXPORT|| (!(flags & ENV_UNEXPORT));
 	get_names_show_unexported = 

env_universal.c

@@ -306,8 +306,7 @@ wchar_t *env_universal_get( const wchar_t *name )
 	if( !init)
 		return 0;
 
-	if( !name )
+	CHECK( name, 0 );
-		return 0;
 	
 	debug( 3, L"env_universal_get( \"%ls\" )", name );
 	return env_universal_common_get( name );
@@ -315,6 +314,11 @@ wchar_t *env_universal_get( const wchar_t *name )
 
 int env_universal_get_export( const wchar_t *name )
 {
+	if( !init)
+		return 0;
+
+	CHECK( name, 0 );
+	
 	debug( 3, L"env_universal_get_export()" );
 	return env_universal_common_get_export( name );
 }
@@ -388,6 +392,8 @@ void env_universal_set( const wchar_t *name, const wchar_t *value, int export )
 	if( !init )
 		return;
 
+	CHECK( name, );
+		
 	debug( 3, L"env_universal_set( \"%ls\", \"%ls\" )", name, value );
 	
 	msg = create_message( export?SET_EXPORT:SET, 
@@ -413,6 +419,8 @@ int env_universal_remove( const wchar_t *name )
 	if( !init )
 		return 1;
 		
+	CHECK( name, 1 );
+
 	res = !env_universal_common_get( name );
 	
 	debug( 3,
@@ -431,6 +439,9 @@ void env_universal_get_names( array_list_t *l,
                               int show_exported,
                               int show_unexported )
 {
+	if( !init )
+		return;
+	
 	env_universal_common_get_names( l, 
 									show_exported,
 									show_unexported );	

event.c

@@ -196,6 +196,9 @@ static int event_is_blocked( event_t *e )
 
 const wchar_t *event_get_desc( event_t *e )
 {
+
+	CHECK( e, 0 );
+
 	if( !get_desc_buff )
 	{
 		get_desc_buff=sb_halloc( global_context );
@@ -253,6 +256,8 @@ void event_add_handler( event_t *event )
 {
 	event_t *e;
 
+	CHECK( event, );
+	
 	e = event_copy( event, 0 );
 
 	if( !events )
@@ -272,6 +277,8 @@ void event_remove( event_t *criterion )
 	array_list_t *new_list=0;
 	event_t e;
 	
+	CHECK( criterion, );
+
 	/*
 	  Because of concurrency issues (env_remove could remove an event
 	  that is currently being executed), env_remove does not actually
@@ -331,6 +338,8 @@ int event_get( event_t *criterion, array_list_t *out )
 	if( !events )
 		return 0;	
 
+	CHECK( criterion, 0 );
+	
 	for( i=0; i<al_get_count( events); i++ )
 	{
 		event_t *n = (event_t *)al_get( events, i );		
@@ -644,6 +653,8 @@ void event_destroy()
 
 void event_free( event_t *e )
 {
+	CHECK( e, );
+
 	/*
 	  When apropriate, we clear the argument vector
 	*/