LwIP
DNS_MAX_SERVERS is only used within LwIP.
 
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CodeScopeSTM32 Libraries and SamplesLwIPDNS_MAX_SERVERS

DNS_MAX_SERVERS macro

The maximum of DNS servers The first server can be initialized automatically by defining DNS_SERVER_ADDRESS(ipaddr), where 'ipaddr' is an 'ip_addr_t*'

Syntax

#define DNS_MAX_SERVERS 2

References

LocationText
opt.h:1113
#define DNS_MAX_SERVERS 2
dhcp.c:121
#if DNS_MAX_SERVERS > LWIP_DHCP_MAX_DNS_SERVERS
dhcp.c:124
#define LWIP_DHCP_PROVIDE_DNS_SERVERS DNS_MAX_SERVERS
dhcp.c:1595
decode_len = LWIP_MIN(len, 4 * DNS_MAX_SERVERS);
dns.c:125
#if DNS_MAX_SERVERS > 255
dns.c:301
static ip_addr_t dns_servers[DNS_MAX_SERVERS];
dns.c:363
if (numdns < DNS_MAX_SERVERS) {
dns.c:383
if (numdns < DNS_MAX_SERVERS) {
dns.c:762
LWIP_ASSERT("dns server out of array", entry->server_idx < DNS_MAX_SERVERS);
dns.c:1029
if ((pentry->server_idx + 1 < DNS_MAX_SERVERS) && !ip_addr_isany_val(dns_servers[pentry->server_idx + 1])) {
opt.h:962
#define LWIP_DHCP_MAX_DNS_SERVERS DNS_MAX_SERVERS