5 files changed, 14 insertions, 7 deletions
diff --git a/libbutl/manifest-rewriter.cxx b/libbutl/manifest-rewriter.cxx
index f504c35..2be53f1 100644
--- a/libbutl/manifest-rewriter.cxx
+++ b/libbutl/manifest-rewriter.cxx
@@ -13,6 +13,7 @@
 #ifndef __cpp_lib_modules
 #include <string>
 #include <cstdint> // uint64_t
+#include <cstddef> // size_t
 #endif
 
 // Other includes.
@@ -99,7 +100,9 @@ namespace butl
       os << ' ';
 
       manifest_serializer s (os, path_.string ());
-      s.write_value (nv.value, nv.colon_pos - nv.start_pos + 2);
+
+      s.write_value (nv.value,
+                     static_cast<size_t> (nv.colon_pos - nv.start_pos + 2));
     }
 
     os << suffix;
@@ -132,7 +135,8 @@ namespace butl
     if (!nv.value.empty ())
     {
       os << ' ';
-      s.write_value (nv.value, nv.colon_pos - nv.start_pos + 2);
+      s.write_value (nv.value,
+                     static_cast<size_t> (nv.colon_pos - nv.start_pos + 2));
     }
 
     os << suffix;
diff --git a/libbutl/regex.cxx b/libbutl/regex.cxx
index f988193..ab32693 100644
--- a/libbutl/regex.cxx
+++ b/libbutl/regex.cxx
@@ -15,7 +15,7 @@
 #include <ostream>
 #include <sstream>
 #include <stdexcept> // runtime_error
-#if defined(_MSC_VER) && _MSC_VER < 1920
+#if defined(_MSC_VER) && _MSC_VER < 2000
 #  include <cstring> // strstr()
 #endif
 #endif
@@ -52,7 +52,7 @@ namespace std
   {
     const char* d (e.what ());
 
-#if defined(_MSC_VER) && _MSC_VER < 1920
+#if defined(_MSC_VER) && _MSC_VER < 2000
     // Note: run the regex test like this to check new VC version:
     //
     // ./driver.exe a '{' b
diff --git a/libbutl/standard-version.ixx b/libbutl/standard-version.ixx
index c0833c4..6142586 100644
--- a/libbutl/standard-version.ixx
+++ b/libbutl/standard-version.ixx
@@ -51,7 +51,8 @@ namespace butl
   {
     return release () || stub ()
       ? nullopt
-      : optional<std::uint16_t> (version / 10 % 1000);
+      : optional<std::uint16_t> (
+          static_cast<std::uint16_t> (version / 10 % 1000));
   }
 
   inline optional<std::uint16_t> standard_version::
diff --git a/tests/base64/driver.cxx b/tests/base64/driver.cxx
index 7870424..7746637 100644
--- a/tests/base64/driver.cxx
+++ b/tests/base64/driver.cxx
@@ -44,6 +44,8 @@ encode (const string& i, const string& o)
     is.clear ();
 #endif
 
+    assert (!is.eof ());
+
     ostringstream os;
     base64_encode (os, is);
     r = os.str () == o && is.eof ();
diff --git a/tests/timestamp/driver.cxx b/tests/timestamp/driver.cxx
index c8e5051..198c745 100644
--- a/tests/timestamp/driver.cxx
+++ b/tests/timestamp/driver.cxx
@@ -128,12 +128,12 @@ main ()
   //
   assert (fail ("Apr 08 19:31:10.123456789 ABC", "%b %d %H:%M:%S%[.N] %Y"));
 
-// This doesn't work in VC15 because their implementation of std::get_time()
+// This doesn't work in VC16 because their implementation of std::get_time()
 // has a bug. Due to this bug std::get_time() parses the input
 // "Apr 19:31:10 2016" for the format "%b %d %H:%M:%S %Y" as if the input were
 // "Apr 19 00:31:10 2016".
 //
-#if !defined(_MSC_VER) || _MSC_VER >= 1920
+#if !defined(_MSC_VER) || _MSC_VER >= 2000
   assert (fail ("Apr 19:31:10 2016", "%b %d %H:%M:%S %Y"));
   assert (fail (":31 2016", "%H:%M %Y"));
 #endif