- struct msg m = {
- .category = MSG_C_DATA,
- .severity = MSG_S_WARNING,
- .file_name = CONST_CAST (char *, dfm_get_file_name (reader)),
- .first_line = dfm_get_line_number (reader),
- .last_line = m.first_line + 1,
+ int line_number = dfm_get_line_number (reader);
+ struct msg_location *location = xmalloc (sizeof *location);
+ *location = (struct msg_location) {
+ .file_name = xstrdup (dfm_get_file_name (reader)),
+ .first_line = line_number,
+ .last_line = line_number + 1,