Const refs (this is about the last of them in the core api)

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@3694 e03df62e-2008-0410-955e-edbf42e46eb7

3 files changed, 7 insertions, 7 deletions

diff --git a/src/dns.cpp b/src/dns.cpp
index ef3eb704e..dc25fe8fe 100644
--- a/src/dns.cpp
+++ b/src/dns.cpp
@@ -684,13 +684,13 @@ DNS::DNS()
 	log(DEBUG,"Create blank DNS");
 }
 
-DNS::DNS(std::string dnsserver)
+DNS::DNS(const std::string &dnsserver)
 {
 	dns_init_2(dnsserver.c_str());
 	log(DEBUG,"Create DNS with server '%s'",dnsserver.c_str());
 }
 
-void DNS::SetNS(std::string dnsserver)
+void DNS::SetNS(const std::string &dnsserver)
 {
 	dns_init_2(dnsserver.c_str());
 	log(DEBUG,"Set NS");
@@ -700,7 +700,7 @@ DNS::~DNS()
 {
 }
 
-bool DNS::ReverseLookup(std::string ip)
+bool DNS::ReverseLookup(const std::string &ip)
 {
 	if (ServerInstance && ServerInstance->stats)
 		ServerInstance->stats->statsDns++;
@@ -723,7 +723,7 @@ bool DNS::ReverseLookup(std::string ip)
 	return true;
 }
 
-bool DNS::ForwardLookup(std::string host)
+bool DNS::ForwardLookup(const std::string &host)
 {
 	if (ServerInstance && ServerInstance->stats)
 		ServerInstance->stats->statsDns++;
@@ -740,7 +740,7 @@ bool DNS::ForwardLookup(std::string host)
 	return true;
 }
 
-bool DNS::ForwardLookupWithFD(std::string host, int &fd)
+bool DNS::ForwardLookupWithFD(const std::string &host, int &fd)
 {
 	if (ServerInstance && ServerInstance->stats)
 		ServerInstance->stats->statsDns++;
diff --git a/src/dnsqueue.cpp b/src/dnsqueue.cpp
index 6d62b7ede..f14fd8c04 100644
--- a/src/dnsqueue.cpp
+++ b/src/dnsqueue.cpp
@@ -205,7 +205,7 @@ public:
 	}
 };
 
-bool lookup_dns(std::string nick)
+bool lookup_dns(const std::string &nick)
 {
 	/* First attempt to find the nickname */
 	userrec* u = Find(nick);
diff --git a/src/inspircd_io.cpp b/src/inspircd_io.cpp
index e8ef405a4..2ca54d24d 100644
--- a/src/inspircd_io.cpp
+++ b/src/inspircd_io.cpp
@@ -839,7 +839,7 @@ void Start (void)
 	printf("Name concept:\t\t\033[1;32mLord_Zathras\033[0m\n\n");
 }
 
-void WritePID(std::string filename)
+void WritePID(const std::string &filename)
 {
 	ofstream outfile(filename.c_str());
 	if (outfile.is_open())