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Add more comments to the history implementation

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darcs-hash:20061025204650-ac50b-419d37d9ea68de0deee613524d06882a8e4c908e.gz
This commit is contained in:
axel 2006-10-26 06:46:50 +10:00
parent e0899addcb
commit cdc52f7bde
1 changed files with 21 additions and 3 deletions
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24
history.c
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@ -499,14 +499,19 @@ static void history_populate_from_mmap( history_mode_t *m )
ignore_newline = *pos == '#';
i = item_get( m, pos );
assert( i!=pos );
if( (i_orig=hash_get( &current_mode->session_item, i ) ) )
{
/*
This item comes from this session. Insert the original item at the end of the item list.
*/
al_push( &session_item_list, i_orig );
}
else
{
/*
Old item. Insert pointer directly to the item list
*/
al_push( &m->item, pos );
}
@ -664,7 +669,7 @@ static void history_save_mode( void *n, history_mode_t *m )
hash_destroy( &mine );
/*
Add our own items
Add our own items last
*/
for( i=0; i<al_get_count(&m->item); i++ )
{
@ -676,7 +681,11 @@ static void history_save_mode( void *n, history_mode_t *m )
if( fclose( out ) )
{
/*
This message does not have high enough priority to
be shown by default.
*/
debug( 2, L"Error when writing history file" );
}
else
{
@ -804,11 +813,20 @@ const wchar_t *history_prev_match( const wchar_t *needle )
if( !current_mode->has_loaded )
{
/*
We found no match in the list, try loading the history
file and continue the search
*/
history_load( current_mode );
return history_prev_match( needle );
}
else
{
/*
We found no match in the list, and the file is already
loaded. Set poition before first element and return
original search string.
*/
current_mode->pos=-1;
if( al_peek_long( &current_mode->used ) != -1 )
al_push_long( &current_mode->used, -1 );