1 files changed, 15 insertions, 13 deletions
diff --git a/src/authenticate.cc b/src/authenticate.cc
index 88bfa63..63a8b3a 100644
--- a/src/authenticate.cc
+++ b/src/authenticate.cc
@@ -1,9 +1,10 @@
-/** --------------------------------------------------------------------
+/**
  *  @file authenticate.cc
  *  @brief  Implementation of the common (C/R) authentication mechanism.
  *  @author Andreas Aardal Hanssen, Erwin Hoffmann
  *  @date 2002-2005, 2023
- *  -----------------------------------------------------------------  **/
+ */
+
 #include <string>
 #include <vector>
 
@@ -28,15 +29,16 @@
 #include "iofactory.h"
 #include "session.h"
 
-using namespace ::std;
 using namespace Binc;
+using std::endl;
+using std::string;
 
 // 0 = ok
 // 1 = internal error
 // 2 = failed
 // 3 = timeout
 // -1 = abort
-//------------------------------------------------------------------------
+
 int Binc::authenticate(Depot &depot,
                        const string &username,
                        const string &password,
@@ -46,7 +48,7 @@ int Binc::authenticate(Depot &depot,
   session.setUserID(username);
 
   // check if checkpassword is present
-  if (::access(session.unparsedArgs[0], X_OK) != 0) {  // x is enough
+  if (access(session.unparsedArgs[0], X_OK) != 0) {  // x is enough
     bincError << "unable to start authenticator " << session.unparsedArgs[0] << ": " << strerror(errno)
               << endl;
     return 1;
@@ -84,15 +86,16 @@ int Binc::authenticate(Depot &depot,
   }
 
   string timestamp;
-  time_t t = time(0);
+  time_t t = time(nullptr);
   char *c;
-  if ((c = ctime(&t)) != 0) {
+  if ((c = ctime(&t)) != nullptr) {
     timestamp = c;
     trim(timestamp);
-  } else
+  } else {
     timestamp = "unknown timestamp";
+  }
 
-  string pid = to_string(session.getPid());
+  string pid = std::to_string(session.getPid());
 
   // execute authentication module
   int result;
@@ -128,7 +131,7 @@ int Binc::authenticate(Depot &depot,
       exit(111);
     }
 
-    if (session.unparsedArgs[0] != 0) {
+    if (session.unparsedArgs[0] != nullptr) {
       execvp(session.unparsedArgs[0], &session.unparsedArgs[0]);
       bincDebug << "bincimap-up: pid " << pid << " authenticate(), [auth module] invocation of "
                 << session.unparsedArgs[0] << " failed: " << strerror(errno) << endl;
@@ -212,7 +215,7 @@ int Binc::authenticate(Depot &depot,
     // EINTR.
     int n;
     do {
-      n = select(maxfd + 1, &rtmp, 0, 0, &timeout);
+      n = select(maxfd + 1, &rtmp, nullptr, nullptr, &timeout);
     } while (n < 0 && errno == EINTR);
 
     if (n < 0) {
@@ -295,8 +298,7 @@ int Binc::authenticate(Depot &depot,
     return -1;
   }
 
-  // if the server died because we closed the sockets after a timeout,
-  // exit 3.
+  // if the server died because we closed the sockets after a timeout, exit 3.
   if (timedout) return 3;
 
   if (disconnected) return 0;