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sys/dns: select appropriate address family if AF_UNSPEC

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This commit is contained in:
Benjamin Valentin 2022-12-07 22:26:31 +01:00
parent eea954cc22
commit 5986d8f371
1 changed files with 9 additions and 0 deletions
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9
sys/include/net/dns.h
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@ -74,6 +74,15 @@ static inline int dns_query(const char *domain_name, void *addr_out, int family)
{ {
int res = -ENOTSUP; int res = -ENOTSUP;
if (family == AF_UNSPEC) {
if (!IS_USED(MODULE_IPV4_ADDR)) {
family = AF_INET6;
}
else if (!IS_USED(MODULE_IPV6_ADDR)) {
family = AF_INET;
}
}
if (res <= 0 && IS_USED(MODULE_GCOAP_DNS)) { if (res <= 0 && IS_USED(MODULE_GCOAP_DNS)) {
res = gcoap_dns_query(domain_name, addr_out, family); res = gcoap_dns_query(domain_name, addr_out, family);
} }