Ceph

Something like this:

--- a/src/common/ConfUtils.cc
+++ b/src/common/ConfUtils.cc
@@ -471,8 +471,13 @@ process_line(int line_no, const char *line, std::deque<std::string> *errors)
       case ACCEPT_KEY:
        if ((((c == '#') || (c == ';')) && (!escaping)) || (c == '\0')) {
          ostringstream oss;
-         oss << "unexpected character while parsing putative key value, " 
-             << "at char " << (l - line) << ", line " << line_no;
+         if (c == '\0') {
+           oss << "end of key=val line " << line_no
+               << "reached, no \"=val\" found...missing =?";
+         } else {
+           oss << "unexpected character while parsing putative key value, " 
+               << "at char " << (l - line) << ", line " << line_no;
+         }
          errors->push_back(oss.str());
          return NULL;
        }