commit bash-20140912 snapshot

general.c

@@ -777,6 +777,27 @@ trim_pathname (name, maxlen)
   return name;
 }
 
+/* Return a printable representation of FN without special characters.  The
+   caller is responsible for freeing memory if this returns something other
+   than its argument.  If FLAGS is non-zero, we are printing for portable
+   re-input and should single-quote filenames appropriately. */
+char *
+printable_filename (fn, flags)
+     char *fn;
+     int flags;
+{
+  char *newf;
+
+  if (ansic_shouldquote (fn))
+    newf = ansic_quote (fn, 0, NULL);
+  else if (flags && sh_contains_shell_metas (fn))
+    newf = sh_single_quote (fn);
+  else
+    newf = fn;
+
+  return newf;
+}
+
 /* Given a string containing units of information separated by colons,
    return the next one pointed to by (P_INDEX), or NULL if there are no more.
    Advance (P_INDEX) to the character after the colon. */