add drone build

.drone.yml

@@ -0,0 +1,32 @@
+---
+kind: pipeline
+type: docker
+name: deb-build
+
+steps:
+
+ - name: build
+   image: ubuntu:22.04
+   commands:
+    - apt -y update
+    - apt -y install build-essential debhelper libssl-dev libpam-dev
+    - ./configure.sh
+    - make deb
+
+ - name: upload artifact
+   image: git.burble.dn42/burble.dn42/drone-gitea-pkg-plugin:latest
+   settings:
+     token:
+       from_secret: TOKEN
+     version: VERSION
+     artifact: emailrelay_2.5_amd64.deb
+     package: emailrelay
+     owner: burble.dn42
+     
+---
+kind: secret
+name: TOKEN
+get:
+  path: burble.dn42/kv/data/drone/git.burble.dn42
+  name: artifact-token
+  

src/gnet/gdnsblock.cpp

@@ -170,7 +170,7 @@ GNet::Address GNet::DnsBlock::nameServerAddress( const std::string & s )
 bool GNet::DnsBlock::isDomain( G::string_view s ) noexcept
 {
 	if( G::Str::isNumeric(s,true) ) return false ;
-	G::string_view tld = G::Str::tailView( s , s.rfind('.') ) ;
+	G::string_view tld = G::Str::tailView( s , "."_sv ) ;
 	return tld.empty() || ( G::Str::isSimple(tld) && !G::Str::isNumeric(tld) ) ;
 }
 

src/gnet/ginterfaces_win32.cpp

@@ -90,7 +90,7 @@ void GNet::Interfaces::loadImp( ExceptionSink es , std::vector<Item> & list )
 	if( rc == ERROR_BUFFER_OVERFLOW )
 	{
 		buffer.resize( size ) ;
-		p = G::buffer_cast<IP_ADAPTER_ADDRESSES*>( buffer ) ;
+		IP_ADAPTER_ADDRESSES * p = G::buffer_cast<IP_ADAPTER_ADDRESSES*>( buffer ) ;
 		rc = GetAdaptersAddresses( AF_UNSPEC , flags , nullptr , p , &size ) ;
 	}