add unsigned char hexdump function

navmon.cc

@@ -324,6 +324,19 @@ string makeHexDump(const string& str)
   return ret;
 }
 
+string makeHexDump(const basic_string<uint8_t>& str)
+{
+  char tmp[5];
+  string ret;
+  ret.reserve((int)(str.size()*2.2));
+
+  for(string::size_type n=0;n<str.size();++n) {
+    snprintf(tmp, sizeof(tmp), "%02x ", (unsigned char)str[n]);
+    ret+=tmp;
+  }
+  return ret;
+}
+
 std::string sbasName(int prn)
 {
   string sbas;

navmon.hh

@@ -81,6 +81,7 @@ void getGalDateFromUTC(time_t t, int& wn, int& tow);
 
 
 std::string makeHexDump(const std::string& str);
+std::string makeHexDump(const std::basic_string<uint8_t>& str);
 size_t writen2(int fd, const void *buf, size_t count);
 void unixDie(const std::string& reason);
 time_t parseTime(std::string_view in);