From: ts <decoux@...>
Date: 2003-03-19T01:18:47+09:00
Subject: Re: ruby-dev summary 19773-19824

>>>>> "P" == Paul Brannan <pbrannan@atdesk.com> writes:

>> ' '.dup.rstrip.gsub(/a/, '')

P> Why will this leave ptr NULL?  It doesn't seem very obvious from the
P> source (in str_gsub, ptr is set equal to buf, which is allocated with
P> malloc(), which should never return 0 except on error).

 #gsub don't match, it return rb_str_dup("") which give a NULL pointer.

Guy Decoux