void free(void *ptr)
{
t_block *block;
t_zone *zone;
if (!ptr)
return ;
pthread_mutex_lock(&g_mutex);
block = (t_block *)(ptr - HEADER_SIZE);
if (!block->parent)
{
pthread_mutex_unlock(&g_mutex);
return ;
}
block->flag = FREE;
zone = block->parent;
zone->blocks_used--;
zone->size_free += block->size + HEADER_SIZE;
if (zone->blocks_used <= 0 || zone->type == LARGE_INDEX)
free_zone(zone);
else
defrag(block);
ptr = NULL;
pthread_mutex_unlock(&g_mutex);
}
/* remove an existing country and all its indications, country must exist.
* Also, all countries which are an alias for the specified country are removed. */
int cw_unregister_indication_country(const char *country)
{
struct tone_zone *tz, *pz = NULL, *tmp;
int res = -1;
if (cw_mutex_lock(&tzlock))
{
cw_log(LOG_WARNING, "Unable to lock tone_zones list\n");
return -1;
}
tz = tone_zones;
while (tz)
{
if (country == NULL
||
(strcasecmp(country, tz->country) == 0
||
strcasecmp(country, tz->alias) == 0))
{
/* tone_zone found, remove */
tmp = tz->next;
if (pz)
pz->next = tmp;
else
tone_zones = tmp;
/* if we are unregistering the default country, w'll notice */
if (tz == current_tonezone) {
cw_log(LOG_NOTICE,"Removed default indication country '%s'\n",tz->country);
current_tonezone = NULL;
}
if (option_verbose > 2)
cw_verbose(VERBOSE_PREFIX_3 "Unregistered indication country '%s'\n",tz->country);
free_zone(tz);
if (tone_zones == tz)
tone_zones = tmp;
tz = tmp;
res = 0;
}
else {
/* next zone please */
pz = tz;
tz = tz->next;
}
}
cw_mutex_unlock(&tzlock);
return res;
}
/* add a new country, if country exists, it will be replaced. */
int cw_register_indication_country(struct tone_zone *zone)
{
struct tone_zone *tz,*pz;
if (cw_mutex_lock(&tzlock))
{
cw_log(LOG_WARNING, "Unable to lock tone_zones list\n");
return -1;
}
for (pz = NULL, tz = tone_zones; tz; pz = tz, tz = tz->next)
{
if (strcasecmp(zone->country,tz->country) == 0)
{
/* tone_zone already there, replace */
zone->next = tz->next;
if (pz)
pz->next = zone;
else
tone_zones = zone;
/* if we are replacing the default zone, re-point it */
if (tz == current_tonezone)
current_tonezone = zone;
/* now free the previous zone */
free_zone(tz);
cw_mutex_unlock(&tzlock);
return 0;
}
}
/* country not there, add */
zone->next = NULL;
if (pz)
pz->next = zone;
else
tone_zones = zone;
cw_mutex_unlock(&tzlock);
if (option_verbose > 2)
cw_verbose(VERBOSE_PREFIX_3 "Registered indication country '%s'\n",zone->country);
return 0;
}
