+void wrbuf_cut_right(WRBUF b, size_t no_to_remove)
+{
+ if (no_to_remove > b->pos)
+ no_to_remove = b->pos;
+ b->pos = b->pos - no_to_remove;
+}
+
+void wrbuf_puts_escaped(WRBUF b, const char *str)
+{
+ wrbuf_write_escaped(b, str, strlen(str));
+}
+
+void wrbuf_write_escaped(WRBUF b, const char *str, size_t len)
+{
+ size_t i;
+ for (i = 0; i < len; i++)
+ if (str[i] < ' ' || str[i] > 126)
+ wrbuf_printf(b, "\\x%02X", str[i] & 0xff);
+ else
+ wrbuf_putc(b, str[i]);
+}
+