Fix problem bug breaking completion in commands with multiple subshells

darcs-hash:20051025110352-ac50b-fff319ddcbafb722b9bc3c61aa1b250b290716a5.gz

common.c

@@ -911,7 +911,7 @@ void debug( int level, wchar_t *msg, ... )
 		
 	}
 	putwc( L'\n', stderr );
-	
+	sb_destroy( &sb );
 }
 
 wchar_t *escape( const wchar_t *in, 

common.h

@@ -270,7 +270,7 @@ wchar_t *escape( const wchar_t *in,
    counterparts. Also optionally change the wildcards, the tilde
    character and a few more into constants which are defined in a
    private use area of Unicode. This assumes wchar_t is a unicode
-   character.  character set.
+   character set.
 
    The result must be free()d. The original string is not modified. If
    an invalid sequence is specified, 0 is returned.

complete.c

@@ -1766,9 +1766,9 @@ static void complete_param_expand( wchar_t *str,
 	else
 		comp_str = str;
 	
-//	fwprintf( stderr, L"expand_string( \"%ls\", [list], ACCEPT_INCOMPLETE | %ls )\n", comp_str, do_file?L"0":L"EXPAND_SKIP_WILDCARDS" );
+//	fwprintf( stderr, L"expand_string( \"%ls\", [list], EXPAND_SKIP_SUBSHELL | ACCEPT_INCOMPLETE | %ls )\n", comp_str, do_file?L"0":L"EXPAND_SKIP_WILDCARDS" );
 	
-	expand_string( wcsdup(comp_str), comp_out,  ACCEPT_INCOMPLETE | (do_file?0:EXPAND_SKIP_WILDCARDS) );
+	expand_string( wcsdup(comp_str), comp_out,  EXPAND_SKIP_SUBSHELL | ACCEPT_INCOMPLETE | (do_file?0:EXPAND_SKIP_WILDCARDS) );
 }
 
 /**

env.c

@@ -388,8 +388,12 @@ void env_init()
 	
 	
 	pw = getpwuid( getuid() );
-	uname = str2wcs( pw->pw_name );
+	if( pw )
-	env_set( L"USER", uname, ENV_GLOBAL | ENV_EXPORT );
+	{
+		uname = str2wcs( pw->pw_name );
+		env_set( L"USER", uname, ENV_GLOBAL | ENV_EXPORT );
+		free( uname );
+	}
 	
 	env_universal_init( env_get( L"FISHD_SOKET_DIR"), 
 						env_get( L"USER" ),
@@ -411,6 +415,8 @@ void env_destroy()
 
 	hash_destroy( &env_read_only );
 
+	hash_destroy( &env_electric );
+	
 	hash_foreach( global, &clear_hash_entry );
 	hash_destroy( global );
 	free( top );

expand.c

@@ -1328,6 +1328,7 @@ int expand_string( wchar_t *str,
 			if( (pos == str) || ( *(pos-1) != L'\\' ) )
 			{
 				error( SUBSHELL_ERROR, L"Subshells not allowed", -1 );
+				free( str );
 				al_destroy( &list1 );
 				al_destroy( &list2 );
 				return 0;
@@ -1505,7 +1506,6 @@ wchar_t *expand_one( wchar_t *string, int flags )
 	res = expand_string( string, &l, flags );
 	if( !res )
 	{
-		free( string );
 		one = 0;
 	}
 	else

expand.h

@@ -162,7 +162,7 @@ wchar_t *expand_escape_variable( const wchar_t *in );
 wchar_t *expand_tilde(wchar_t *in);
 
 /**
-   Locate the last subshell in the specified string.
+   Locate the first subshell in the specified string.
    
    \param in the string to search for subshells
    \param begin the starting paranthesis of the subshell

highlight.c

@@ -386,8 +386,9 @@ void highlight_shell( wchar_t * buff,
 			break;
 		
 		subpos = end+1;		
+		
 	}
-	free( buffcpy );
+	free( buffcpy);
 	
 
 	last_val=0;

init/fish_function.fish

@@ -942,7 +942,7 @@ function psub -d "Read from stdin into a file and output the filename. Remove th
 	end
 
 	if not status --is-command-substitution
-		echo psub: Not inside of command substitution
+		echo psub: Not inside of command substitution >&2
 		return
 	end
 

reader.c

@@ -1548,8 +1548,8 @@ void reader_sanity_check()
 
 void reader_current_subshell_extent( wchar_t **a, wchar_t **b )
 {
-	wchar_t *buffcpy = wcsdup( data->buff );
 	wchar_t *begin, *end;
+	wchar_t *pos;
 	
 	if( a )
 		*a=0;
@@ -1559,35 +1559,41 @@ void reader_current_subshell_extent( wchar_t **a, wchar_t **b )
 	if( !data )
 		return;
 
+	pos = data->buff;
+	
 	while( 1 )
 	{
 		int bc, ec;
 		
-		if( expand_locate_subshell( buffcpy,
+		if( expand_locate_subshell( pos,
 									&begin,
 									&end,
 									1 ) <= 0)
 		{
-			begin=buffcpy;
+			begin=data->buff;
-			end = buffcpy + wcslen(data->buff);
+			end = data->buff + wcslen(data->buff);
 			break;
 		}
-		bc = begin-buffcpy;
+
-		ec = end-buffcpy;
+		if( !end )
+		{
+			end = data->buff + wcslen(data->buff);
+		}
+
+		bc = begin-data->buff;
+		ec = end-data->buff;
+		
 		if(( bc < data->buff_pos ) && (ec >= data->buff_pos) )
 		{
 			begin++;
-
-			//fwprintf( stderr, L"Subshell!\n" );
 			break;
 		}
-		*begin=0;
+		pos = end+1;
 	}
 	if( a )
-		*a = data->buff + (begin-buffcpy);
+		*a = begin;
 	if( b )
-		*b = data->buff + (end-buffcpy);
+		*b = end;
-	free( buffcpy );
 }
 
 static void reader_current_job_or_process_extent( wchar_t **a,