diff options
Diffstat (limited to 'src/tool_operate.c')
| -rw-r--r-- | src/tool_operate.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/tool_operate.c b/src/tool_operate.c index ba077973e..6615270e0 100644 --- a/src/tool_operate.c +++ b/src/tool_operate.c @@ -1239,10 +1239,16 @@ int operate(struct Configurable *config, int argc, argv_item_t argv[]) my_setopt(curl, CURLOPT_PROGRESSDATA, &progressbar); } - my_setopt_str(curl, CURLOPT_DNS_SERVERS, config->dns_servers); + /* new in libcurl 7.24.0: */ + if(config->dns_servers) + my_setopt_str(curl, CURLOPT_DNS_SERVERS, config->dns_servers); + /* new in libcurl 7.33.0: */ - my_setopt_str(curl, CURLOPT_DNS_INTERFACE, config->dns_interface); - my_setopt_str(curl, CURLOPT_DNS_LOCAL_IP4, config->dns_ipv4_addr); + if(config->dns_interface) + my_setopt_str(curl, CURLOPT_DNS_INTERFACE, config->dns_interface); + if(config->dns_ipv4_addr) + my_setopt_str(curl, CURLOPT_DNS_LOCAL_IP4, config->dns_ipv4_addr); + if(config->dns_ipv6_addr) my_setopt_str(curl, CURLOPT_DNS_LOCAL_IP6, config->dns_ipv6_addr); /* new in libcurl 7.6.2: */ |