static char *pin_generator(const char *text, int state) {
static int len;
static int next;
static int aliased;
char *name;
if(!state) {
next = hal_data->pin_list_ptr;
len = strlen(text);
aliased = 0;
}
while(next) {
hal_pin_t *pin = SHMPTR(next);
switch (aliased) {
case 0: // alias (if any) has not been output
if (pin->oldname != 0) {
// there's an alias, so use that and do not update the pin pointer
hal_oldname_t *oldname = SHMPTR(pin->oldname);
name = oldname->name;
aliased = 1;
} else {
// no alias, so use the name and update the pin pointer
name = pin->name;
next = pin->next_ptr;
}
break;
case 1: // there is an alias, and it has been processed already
name = pin->name;
next = pin->next_ptr;
aliased = 0;
break;
default:
// shouldn't be able to get here, so assume we're done
rl_attempted_completion_over = 1;
return NULL;
break;
}
if ( !writer_match( pin->dir, match_writers ) ) continue;
if ( !direction_match( pin->dir, match_direction ) ) continue;
if ( match_type != HAL_TYPE_UNSPECIFIED && match_type != pin->type ) continue;
if ( strncmp(text, name, len) == 0 )
return strdup(name);
}
rl_attempted_completion_over = 1;
return NULL;
}
static int yield_pinstrname(hal_object_ptr o, foreach_args_t *args)
{
if ( !writer_match( o.pin->dir, match_writers ) )
return 0;
if ( !direction_match( o.pin->dir, match_direction ) )
return 0;
if ( match_type != HAL_TYPE_UNSPECIFIED && match_type != o.pin->type )
return 0;
size_t len = strlen(args->user_ptr1);
if ((len == 0) ||
!strncmp(hh_get_name(o.hdr), // prefix match
args->user_ptr1, len)) {
args->result = strdup(hh_get_name(o.hdr));
return 1;
}
return 0;
}