gtk:entry-buffer-max-length (object)

object -- a gtk:entry-buffer object
length -- an integer for the maximum length of the entry buffer, or 0 for no maximum, the value passed in will be clamped to the range [0, 65536]

The accessor for the max-length slot gets or sets the maximum number of characters allowed in the entry buffer. Returns 0 if there is no maximum. If the current content is longer than the given length, it will be truncated to fit.