Fix payload iteration issue of FormBody; Log form body; ignore body for response of HEAD.

webcc/globals.cc

@@ -8,6 +8,16 @@ namespace webcc {
 
 // -----------------------------------------------------------------------------
 
+namespace literal_buffers {
+
+const char HEADER_SEPARATOR[2] = { ':', ' ' };
+const char CRLF[2] = { '\r', '\n' };
+const char DOUBLE_DASHES[2] = { '-', '-' };
+
+}  // namespace literal_buffers
+
+// -----------------------------------------------------------------------------
+
 namespace media_types {
 
 std::string FromExtension(const std::string& ext) {