libc/posix regcomp.c

[drepper@sources.redhat.com]

CVSROOT:	/cvs/glibc
Module name:	libc
Changes by:	drepper@sources.redhat.com	2002-07-10 15:27:13

Modified files:
	posix          : regcomp.c 

Log message:
	(parse_sub_exp): Add nodes OP_OPEN_SUBEXP and
	OP_CLOSE_SUBEXP at both ends of sub expressions instead of SUBEXP
	nodes in parse trees.
	(calc_first): Fix the Definition of `firsts' of OP_OPEN_SUBEXP
	and OP_CLOSE_SUBEXP, and remove the definition of SUBEXP.
	(calc_epsdest): Treat OP_OPEN_SUBEXP and OP_CLOSE_SUBEXP as the
	nodes which can epsilon transit.