ext/socket/option.c (sockopt_inspect): use rb_str_cat2 and rb_str_append.
ext/socket/ancdata.c (ancillary_inspect): refined.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27608 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
ext/socket/option.c (sockopt_inspect): use rb_str_cat2 and
rb_str_append.
ext/socket/ancdata.c (ancillary_inspect): refined.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27608 b2dd03c8-39d4-4d8f-98ff-823fe69b080e