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Fix dns_getserver to return a pointer, not a value

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This commit is contained in:
Dirk Ziegelmeier 2016-06-13 09:00:17 +02:00
parent 606b6990ff
commit 5e7b343d52
2 changed files with 12 additions and 12 deletions
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6
src/core/dns.c
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@ -432,13 +432,13 @@ dns_setserver(u8_t numdns, const ip_addr_t *dnsserver)
* @return IP address of the indexed DNS server or "ip_addr_any" if the DNS
* server has not been configured.
*/
ip_addr_t
const ip_addr_t*
dns_getserver(u8_t numdns)
{
if (numdns < DNS_MAX_SERVERS) {
return dns_servers[numdns];
return &dns_servers[numdns];
} else {
return *IP_ADDR_ANY;
return IP_ADDR_ANY;
}
}

18
src/include/lwip/dns.h
View File

@ -93,15 +93,15 @@ struct local_hostlist_entry {
*/
typedef void (*dns_found_callback)(const char *name, const ip_addr_t *ipaddr, void *callback_arg);
void dns_init(void);
void dns_tmr(void);
void dns_setserver(u8_t numdns, const ip_addr_t *dnsserver);
ip_addr_t dns_getserver(u8_t numdns);
err_t dns_gethostbyname(const char *hostname, ip_addr_t *addr,
dns_found_callback found, void *callback_arg);
err_t dns_gethostbyname_addrtype(const char *hostname, ip_addr_t *addr,
dns_found_callback found, void *callback_arg,
u8_t dns_addrtype);
void dns_init(void);
void dns_tmr(void);
void dns_setserver(u8_t numdns, const ip_addr_t *dnsserver);
const ip_addr_t* dns_getserver(u8_t numdns);
err_t dns_gethostbyname(const char *hostname, ip_addr_t *addr,
dns_found_callback found, void *callback_arg);
err_t dns_gethostbyname_addrtype(const char *hostname, ip_addr_t *addr,
dns_found_callback found, void *callback_arg,
u8_t dns_addrtype);
#if DNS_LOCAL_HOSTLIST && DNS_LOCAL_HOSTLIST_IS_DYNAMIC