Get rid of using namespace std

2 files changed, 15 insertions, 8 deletions

diff --git a/bbot/agent/agent.cxx b/bbot/agent/agent.cxx
index c8e316a..54d7056 100644
--- a/bbot/agent/agent.cxx
+++ b/bbot/agent/agent.cxx
@@ -36,10 +36,12 @@
 #include <bbot/agent/tftp.hxx>
 #include <bbot/agent/machine.hxx>
 
-using namespace std;
 using namespace butl;
 using namespace bbot;
 
+using std::cout;
+using std::endl;
+
 namespace bbot
 {
   agent_options ops;
@@ -829,7 +831,7 @@ try
 
     if (gethostname (buf, sizeof (buf)) == -1)
       fail << "unable to obtain hostname: "
-           << system_error (errno, generic_category ()); // Sanitize.
+           << system_error (errno, std::generic_category ()); // Sanitize.
 
     hname = buf;
   }
@@ -841,7 +843,7 @@ try
   //
   if (signal (SIGPIPE, SIG_IGN) == SIG_ERR)
     fail << "unable to ignore broken pipe (SIGPIPE) signal: "
-         << system_error (errno, generic_category ()); // Sanitize.
+         << system_error (errno, std::generic_category ()); // Sanitize.
 
   // Version.
   //
@@ -897,7 +899,7 @@ try
   if (signal (SIGHUP,  &handle_signal) == SIG_ERR ||
       signal (SIGTERM, &handle_signal) == SIG_ERR)
     fail << "unable to set signal handler: "
-         << system_error (errno, generic_category ()); // Sanitize.
+         << system_error (errno, std::generic_category ()); // Sanitize.
 
   optional<string> fingerprint;
 
@@ -1239,7 +1241,7 @@ namespace bbot
   {
     if (rand_seed == 0)
       rand_seed = static_cast<unsigned int> (
-        chrono::system_clock::now ().time_since_epoch ().count ());
+        std::chrono::system_clock::now ().time_since_epoch ().count ());
 
     return static_cast<size_t> (rand_r (&rand_seed));
   }
diff --git a/bbot/worker/worker.cxx b/bbot/worker/worker.cxx
index 348075b..6040d9e 100644
--- a/bbot/worker/worker.cxx
+++ b/bbot/worker/worker.cxx
@@ -12,6 +12,7 @@
 
 #include <regex>
 #include <cstring>  // strchr()
+#include <sstream>
 #include <iostream>
 
 #include <libbutl/pager.hxx>
@@ -27,10 +28,12 @@
 
 #include <bbot/worker/worker-options.hxx>
 
-using namespace std;
 using namespace butl;
 using namespace bbot;
 
+using std::cout;
+using std::endl;
+
 namespace bbot
 {
   process_path argv0;
@@ -60,6 +63,8 @@ catch (const system_error& e)
   fail << "unable to change current directory to " << d << ": " << e << endf;
 }
 
+using std::regex;
+namespace regex_constants = std::regex_constants;
 using regexes = vector<regex>;
 
 // Run a named command. Name is used for logging and diagnostics only. Match
@@ -82,7 +87,7 @@ run_cmd (tracer& t,
     {
       t (c, n);
 
-      ostringstream os;
+      std::ostringstream os;
       process::print (os, c, n);
       log += os.str ();
       log += '\n';
@@ -777,7 +782,7 @@ try
 #ifndef _WIN32
   if (signal (SIGPIPE, SIG_IGN) == SIG_ERR)
     fail << "unable to ignore broken pipe (SIGPIPE) signal: "
-         << system_error (errno, generic_category ()); // Sanitize.
+         << system_error (errno, std::generic_category ()); // Sanitize.
 #else
   SetErrorMode (SetErrorMode (0) | // Returns the current mode.
                 SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX);