From 9c32709fe1c48b30ca49150b955fb756d11ece44 Mon Sep 17 00:00:00 2001
From: axel <axel@liljencrantz.se>
Date: Tue, 13 Dec 2005 04:30:55 +1000
Subject: [PATCH] Fix infinite loop in token search

darcs-hash:20051212183055-ac50b-a40c21f801978094e4ae5b3f6f5d84276eb956e7.gz
---
 history.c | 9 +++------
 reader.c  | 8 +++++++-
 2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/history.c b/history.c
index c34997b39..108cbeedf 100644
--- a/history.c
+++ b/history.c
@@ -127,8 +127,8 @@ static void history_load( wchar_t *name )
 
 			  Use a hashtable to check for duplicates instead.
 			*/
-			if( !hash_get( &used,
-						   buff ) )
+			if( wcslen(buff) && !hash_get( &used,
+										   buff ) )
 			{
 				history_count++;		
 				
@@ -465,10 +465,7 @@ const wchar_t *history_prev_match( const wchar_t *str )
 	
 	if( history_current->prev == 0 )
 	{
-		if( history_test( str, history_current->data ) )
-			return (wchar_t *)history_current->data;
-		else
-			return str;
+		return str;
 	}
 	if( past_end )
 		past_end = 0;
diff --git a/reader.c b/reader.c
index 3428d2c88..c41839160 100644
--- a/reader.c
+++ b/reader.c
@@ -1889,6 +1889,7 @@ static void handle_token_history( int forward, int reset )
 		
 	}
 
+
 	current_pos  = data->token_history_pos;
 
 	if( forward || data->search_pos < (al_get_count( &data->search_prev )-1) )
@@ -1930,6 +1931,7 @@ static void handle_token_history( int forward, int reset )
 			  history already contains the search string itself, if so
 			  return, otherwise add it.
 			*/
+
 			const wchar_t *last = al_get( &data->search_prev, al_get_count( &data->search_prev ) -1 );
 			if( wcscmp( last, data->search_buff ) )
 			{
@@ -1942,6 +1944,9 @@ static void handle_token_history( int forward, int reset )
 		}
 		else
 		{
+
+			debug( 3, L"new '%ls'", data->token_history_buff );	
+
 			for( tok_init( &tok, data->token_history_buff, TOK_ACCEPT_UNFINISHED );
 				 tok_has_next( &tok);
 				 tok_next( &tok ))
@@ -1952,11 +1957,12 @@ static void handle_token_history( int forward, int reset )
 					{
 						if( wcsstr( tok_last( &tok ), data->search_buff ) )
 						{
-//				fwprintf( stderr, L"Found token at pos %d\n", tok_get_pos( &tok ) );
+							debug( 3, L"Found token at pos %d\n", tok_get_pos( &tok ) );
 							if( tok_get_pos( &tok ) >= current_pos )
 							{
 								break;
 							}
+							debug( 3, L"ok pos" );
 
 							if( !contains( tok_last( &tok ), &data->search_prev ) )
 							{