Migrate some more away from array_list_t

env.cpp

@@ -1678,7 +1678,6 @@ char **env_export_arr( int recalc )
 	
 	if( has_changed )
 	{
-		array_list_t uni;
 		hash_table_t vals;
 		int prev_was_null=1;
 		int pos=0;		
@@ -1690,16 +1689,15 @@ char **env_export_arr( int recalc )
 		
 		get_exported( top, &vals );
 		
-		al_init( &uni );
-		env_universal_get_names( &uni, 1, 0 );
-		for( i=0; i<al_get_count( &uni ); i++ )
+        wcstring_list_t uni;
+		env_universal_get_names2( uni, 1, 0 );
+		for( i=0; i<uni.size(); i++ )
 		{
-			wchar_t *key = (wchar_t *)al_get( &uni, i );
-			wchar_t *val = env_universal_get( key );
+			const wchar_t *key = uni.at(i).c_str();
+			const wchar_t *val = env_universal_get( key );
 			if( wcscmp( val, ENV_NULL) && !hash_get( &vals, key ) )
 				hash_put( &vals, key, val );
 		}
-		al_destroy( &uni );
 
 		export_buffer.used=0;
 		

reader.cpp

@@ -236,13 +236,13 @@ class reader_data_t
 	/**
 	   Name of the current application
 	*/
-	wchar_t *name;
+	wcstring app_name;
 
 	/** The prompt command */
-	wchar_t *prompt;
+	wcstring prompt;
 
 	/** The output of the last evaluation of the prompt command */
-	string_buffer_t prompt_buff;
+	wcstring prompt_buff;
 	
 	/**
 	   Color is the syntax highlighting for buff.  The format is that
@@ -424,7 +424,7 @@ static void reader_repaint()
 	parser_test( data->buff, data->indent, 0, 0 );
 	
 	s_write( &data->screen,
-		 (wchar_t *)data->prompt_buff.buff,
+		 data->prompt_buff.c_str(),
 		 data->buff,
 		 data->color, 
 		 data->indent, 
@@ -606,7 +606,6 @@ int reader_interrupted()
 void reader_write_title()
 {
 	const wchar_t *title;
-	array_list_t l;
 	wchar_t *term = env_get( L"TERM" );
 
 	/*
@@ -649,26 +648,23 @@ void reader_write_title()
 	if( wcslen( title ) ==0 )
 		return;
 
-	al_init( &l );
+    wcstring_list_t lst;
 
 	proc_push_interactive(0);
-	if( exec_subshell( title, &l ) != -1 )
+	if( exec_subshell2( title, lst ) != -1 )
 	{
 		int i;
-		if( al_get_count( &l ) > 0 )
+		if( lst.size() > 0 )
 		{
 			writestr( L"\x1b]2;" );
-			for( i=0; i<al_get_count( &l ); i++ )
+			for( i=0; i<lst.size(); i++ )
 			{
-				writestr( (wchar_t *)al_get( &l, i ) );
+				writestr( lst.at(i).c_str() );
 			}
 			writestr( L"\7" );
 		}
 	}
-	proc_pop_interactive();
-		
-	al_foreach( &l, &free );
-	al_destroy( &l );
+	proc_pop_interactive();		
 	set_color( FISH_COLOR_RESET, FISH_COLOR_RESET );
 }
 
@@ -682,11 +678,11 @@ static void exec_prompt()
 	array_list_t prompt_list;
 	al_init( &prompt_list );
 	
-	if( data->prompt )
+	if( data->prompt.size() )
 	{
 		proc_push_interactive( 0 );
 		
-		if( exec_subshell( data->prompt, &prompt_list ) == -1 )
+		if( exec_subshell( data->prompt.c_str(), &prompt_list ) == -1 )
 		{
 			/* If executing the prompt fails, make sure we at least don't print any junk */
 			al_foreach( &prompt_list, &free );
@@ -698,13 +694,13 @@ static void exec_prompt()
 	
 	reader_write_title();
 	
-	sb_clear( &data->prompt_buff );
+    data->prompt_buff.resize(0);
 	
-	for( i = 0; i < al_get_count( &prompt_list )-1; i++ )
+	for( i = 0; i < al_get_count( &prompt_list ); i++ )
 	{
-		sb_append( &data->prompt_buff, (wchar_t *)al_get( &prompt_list, i ), L"\n" );
+        if (i > 0) data->prompt_buff += L"\n";
+        data->prompt_buff += (wchar_t *)al_get( &prompt_list, i );
 	}
-	sb_append( &data->prompt_buff, (wchar_t *)al_get( &prompt_list, i ));
 	
 	al_foreach( &prompt_list, &free );
 	al_destroy( &prompt_list );
@@ -2276,14 +2272,12 @@ void reader_push( const wchar_t *name )
 	}
     reader_data_t *n = new(buff) reader_data_t;
     
-	n->name = wcsdup( name );
+	n->app_name = name;
 	n->next = data;
 	sb_init( &n->kill_item );
 
 	data=n;
 
-	sb_init( &data->prompt_buff );
-
 	check_size();
 	data->buff[0]=0;
 	sb_init( &data->search_buff );
@@ -2317,16 +2311,12 @@ void reader_pop()
 
 	data=data->next;
 
-	free(n->name );
-	free( n->prompt );
 	free( n->buff );
 	free( n->color );
 	free( n->indent );
 	sb_destroy( &n->search_buff );
 	sb_destroy( &n->kill_item );
 	
-	sb_destroy( &n->prompt_buff );
-
 	/*
 	  Clean up after history search
 	*/
@@ -2345,15 +2335,14 @@ void reader_pop()
 	else
 	{
 		end_loop = 0;
-		history_set_mode( data->name );
+		history_set_mode( data->app_name.c_str() );
 		s_reset( &data->screen, 1 );
 	}
 }
 
 void reader_set_prompt( const wchar_t *new_prompt )
 {
- 	free( data->prompt );
-	data->prompt=wcsdup(new_prompt);
+    data->prompt = new_prompt;
 }
 
 void reader_set_complete_function( void (*f)( const wchar_t *,

screen.cpp

@@ -70,7 +70,7 @@ static buffer_t *s_writeb_buffer=0;
    specified position of the specified wide character string. All of
    \c seq must match, but str may be longer than seq.
 */
-static int try_sequence( char *seq, wchar_t *str )
+static int try_sequence( const char *seq, const wchar_t *str )
 {
 	int i;
 
@@ -106,7 +106,7 @@ static int next_tab_stop( int in )
    to detect common escape sequences that may be embeded in a prompt,
    such as color codes.
 */
-static int calc_prompt_width( wchar_t *prompt )
+static int calc_prompt_width( const wchar_t *prompt )
 {
 	int res = 0;
 	int j, k;
@@ -573,7 +573,7 @@ static void s_write_mbs( buffer_t *b, char *s )
    Convert a wide string to a multibyte string and append it to the
    buffer.
 */
-static void s_write_str( buffer_t *b, wchar_t *s )
+static void s_write_str( buffer_t *b, const wchar_t *s )
 {
 	int (*writer_old)(char) = output_get_writer();
 
@@ -588,7 +588,7 @@ static void s_write_str( buffer_t *b, wchar_t *s )
 /**
    Update the screen to match the desired output.
 */
-static void s_update( screen_t *scr, wchar_t *prompt )
+static void s_update( screen_t *scr, const wchar_t *prompt )
 {
 	int i, j, k;
 	int prompt_width = calc_prompt_width( prompt );
@@ -710,10 +710,10 @@ static int is_dumb()
 
 
 void s_write( screen_t *s,
-	      wchar_t *prompt,
-	      wchar_t *b, 
-	      int *c, 
-	      int *indent,
+	      const wchar_t *prompt,
+	      const wchar_t *b, 
+	      const int *c, 
+	      const int *indent,
 	      int cursor )
 {
 	int i;

screen.h

@@ -135,10 +135,10 @@ typedef struct
    as possible.
 */
 void s_write( screen_t *s, 
-			  wchar_t *prompt, 
-			  wchar_t *commandline,
-			  int *colors, 
-			  int *indent,
+			  const wchar_t *prompt, 
+			  const wchar_t *commandline,
+			  const int *colors, 
+			  const int *indent,
 			  int cursor_pos );
 
 /** 

wildcard.cpp

@@ -388,23 +388,21 @@ static wchar_t *complete_get_desc_suffix_internal( const wchar_t *suff_orig )
 
 	wchar_t *suff = wcsdup( suff_orig );
 	wchar_t *cmd = wcsdupcat( SUFFIX_CMD_STR, suff );
-	wchar_t *desc = 0;
-	array_list_t l;
 
 	if( !suff || !cmd )
 		DIE_MEM();
 	
-	al_init( &l );
+    wcstring_list_t lst;
+    wcstring desc;
 	
-	if( exec_subshell( cmd, &l ) != -1 )
+	if( exec_subshell2( cmd, lst ) != -1 )
 	{
-		
-		if( al_get_count( &l )>0 )
+		if( lst.size()>0 )
 		{
-			wchar_t *ln = (wchar_t *)al_get(&l, 0 );
-			if( wcscmp( ln, L"unknown" ) != 0 )
+            const wcstring & ln = lst.at(0);
+			if( ln.size() > 0 && ln != L"unknown" )
 			{
-				desc = wcsdup( ln);
+				desc = ln;
 				/*
 				  I have decided I prefer to have the description
 				  begin in uppercase and the whole universe will just
@@ -416,17 +414,16 @@ static wchar_t *complete_get_desc_suffix_internal( const wchar_t *suff_orig )
 	}
 	
 	free(cmd);
-	al_foreach( &l, &free );
-	al_destroy( &l );
 		
-	if( !desc )
+	if( ! desc.size() )
 	{
-		desc = wcsdup(COMPLETE_FILE_DESC);
+		desc = COMPLETE_FILE_DESC;
 	}
 	
-	hash_put( suffix_hash, suff, desc );
+    wchar_t *tmp = wcsdup(desc.c_str());
+	hash_put( suffix_hash, suff, tmp );
 
-	return desc;
+	return tmp;
 }
 
 /**