szRight in masm32.lib faults

[denise_amiga]

the routine dont verify if the length of the subchain is greater than the length of the text

[hutch--]

denise_amiga,

Its not supposed to do that. If you need to check the two data inputs, test their length first. This is the difference between library versus object design, a library procedure is a component that you use to make your own higher level objects.