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libmysql: fix musl compatibility #385

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libmysql: fix musl compatibility #385

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11 changes: 10 additions & 1 deletion libmysql/dns_srv.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -41,14 +41,20 @@

static bool get_dns_srv(Dns_srv_data &data, const char *dnsname, int &error) {
struct __res_state state {};
res_ninit(&state);
unsigned char query_buffer[NS_PACKETSZ];
bool ret = true;

data.clear();

#ifdef res_ninit
res_ninit(&state);

int res = res_nsearch(&state, dnsname, ns_c_in, ns_t_srv, query_buffer,
sizeof(query_buffer));
#else
int res = res_search(dnsname, ns_c_in, ns_t_srv, query_buffer,
sizeof(query_buffer));
#endif

if (res >= 0) {
ns_msg msg;
Expand Down Expand Up @@ -84,7 +90,10 @@ static bool get_dns_srv(Dns_srv_data &data, const char *dnsname, int &error) {
error = h_errno;
}

#ifdef res_nsearch
res_nclose(&state);
#endif

return ret;
}

Expand Down