termux-packages/packages/libevent/evdns.c.patch

diff -u -r ../libevent-release-2.1.8-stable/evdns.c ./evdns.c
--- ../libevent-release-2.1.8-stable/evdns.c	2017-01-26 00:37:15.000000000 +0100
+++ ./evdns.c	2017-01-28 00:02:43.332229763 +0100
@@ -52,6 +52,9 @@
 #include "evconfig-private.h"
 
 #include <sys/types.h>
+#ifdef __ANDROID__
+# include <sys/system_properties.h>
+#endif
 
 #ifndef _FORTIFY_SOURCE
 #define _FORTIFY_SOURCE 3
@@ -3959,6 +3962,21 @@
 		int r;
 #ifdef _WIN32
 		r = evdns_base_config_windows_nameservers(base);
+#elif defined(__ANDROID__)
+		/** From: http://www.programering.com/a/MjMwcjMwATA.html */
+		int add_servers = 0;
+		char buf[PROP_VALUE_MAX];
+		r = __system_property_get("net.dns1", buf);
+		if (r >= 7) {
+			add_servers++;
+			evdns_base_nameserver_ip_add(base, buf);
+		}
+		r = __system_property_get("net.dns2", buf);
+		if (r >= 7) {
+			add_servers++;
+			evdns_base_nameserver_ip_add(base, buf);
+		}
+		if (add_servers == 0) evdns_base_nameserver_ip_add(base, "8.8.8.8");
 #else
 		r = evdns_base_resolv_conf_parse(base, DNS_OPTIONS_ALL, "/etc/resolv.conf");
 #endif