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Reduce code duplication, reuse existing functions

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dhcp_config_free and dhcp_opt_free already implement the same algorithm.
Reuse them. Adds forgotten hostname cleanup to config free.
This commit is contained in:
Petr Menšík
2021-04-14 21:08:31 +01:00
committed by Simon Kelley
parent ffd3ceb856
commit 10d8b5f001
1 changed files with 6 additions and 36 deletions
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42
src/option.c
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@@ -1067,6 +1067,8 @@ static void dhcp_config_free(struct dhcp_config *config)
if (config->flags & CONFIG_CLID)
free(config->clid);
if (config->flags & CONFIG_NAME)
free(config->hostname);
#ifdef HAVE_DHCP6
if (config->flags & CONFIG_ADDR6)
@@ -5002,30 +5004,8 @@ static void clear_dynamic_conf(void)
if (configs->flags & CONFIG_BANK)
{
struct hwaddr_config *mac, *tmp;
struct dhcp_netid_list *list, *tmplist;
for (mac = configs->hwaddr; mac; mac = tmp)
{
tmp = mac->next;
free(mac);
}
if (configs->flags & CONFIG_CLID)
free(configs->clid);
for (list = configs->netid; list; list = tmplist)
{
free(list->list);
tmplist = list->next;
free(list);
}
if (configs->flags & CONFIG_NAME)
free(configs->hostname);
*up = configs->next;
free(configs);
*up = cp;
dhcp_config_free(configs);
}
else
up = &configs->next;
@@ -5035,7 +5015,6 @@ static void clear_dynamic_conf(void)
static void clear_dynamic_opt(void)
{
struct dhcp_opt *opts, *cp, **up;
struct dhcp_netid *id, *next;
for (up = &daemon->dhcp_opts, opts = daemon->dhcp_opts; opts; opts = cp)
{
@@ -5043,17 +5022,8 @@ static void clear_dynamic_opt(void)
if (opts->flags & DHOPT_BANK)
{
if ((opts->flags & DHOPT_VENDOR))
free(opts->u.vendor_class);
free(opts->val);
for (id = opts->netid; id; id = next)
{
next = id->next;
free(id->net);
free(id);
}
*up = opts->next;
free(opts);
*up = cp;
dhcp_opt_free(opts);
}
else
up = &opts->next;