--- ParseFTPList.cpp
+++ ParseFTPList.cpp
@@ -126,6 +126,9 @@ int ParseFTPList(const char *line, struct list_state *state,
       }
     }
 
+    if (!numtoks)
+      return (state->parsed_one || state->lstyle) ? '?' : '"';
+
     linelen_sans_wsp = &(tokens[numtoks-1][toklen[numtoks-1]]) - tokens[0];
     if (numtoks == (sizeof(tokens)/sizeof(tokens[0])) )
     {
@@ -358,11 +361,15 @@ int ParseFTPList(const char *line, struct list_state *state,
               pos++;
               p++;
             }
-            if (lstyle && pos < (toklen[0]-1) && *p == ']')
+            if (lstyle && pos < (toklen[0]-1))
             {
+              /* ']' was found and there is at least one character after it */
               pos++;
               p++;
               tokmarker = pos; /* length of leading "[DIR1.DIR2.etc]" */
+            } else {
+              /* not a CMU style listing */
+              lstyle = 0;
             }
           }
           while (lstyle && pos < toklen[0] && *p != ';')
@@ -389,7 +396,7 @@ int ParseFTPList(const char *line, struct list_state *state,
           pos -= tokmarker;      /* => fnlength sans "[DIR1.DIR2.etc]" */
           p = &(tokens[0][tokmarker]); /* offset of basename */
 
-          if (!lstyle || pos > 80) /* VMS filenames can't be longer than that */
+          if (!lstyle || pos == 0 || pos > 80) /* VMS filenames can't be longer than that */
           {
             lstyle = 0;
           }