Update.

Update.

2002-02-28  Isamu Hasegawa  <isamu@yamato.ibm.com>

	* posix/regcomp.c (regcomp): Remove a redundant condition.
	(init_word_char): Add a check on malloc failure.
	(create_initial_state): Likewise.
	(duplicate_node): Likewise.
	(calc_eclosure): Likewise.
	(calc_eclosure_iter): Likewise.
	(parse_expression): Likewise.
	(parse_bracket_exp): Remove unnecessary malloc invocations.
	(build_equiv_class): Likewise.
	(build_charclass): Likewise.
	* posix/regex_internal.c (re_node_set_intersect): Add a check
	on malloc failure.
	(re_node_set_add_intersect): Likewise.
	(re_node_set_merge): Likewise.
	(re_acquire_state): Likewise.
	(re_acquire_state_context): Likewise.
	(create_newstate_common): Likewise.
	(register_state): Likewise.
	(create_ci_newstate): Likewise.
	(create_cd_newstate): Likewise.
	* posix/regex_internal.h: Fix prototypes of re_acquire_state
	and re_acquire_state_context.
	* posix/regexec.c (regexec): Suit it to the error handling of
	re_search_internal.
	(re_match): Likewise.
	(re_search): Likewise.
	(re_search_internal): Add a check on malloc failure.
	(acquire_init_state_context): Likewise.
	(check_matching): Likewise.
	(proceed_next_node): Likewise.
	(set_regs): Likewise.
	(sift_states_backward): Likewise.
	(sift_states_iter_bkref): Likewise.
	(add_epsilon_backreference): Likewise.
	(transit_state): Likewise.
	(transit_state_sb): Likewise.
	(transit_state_mb): Likewise.
	(transit_state_bkref_loop): Likewise.
	(build_trtable): Likewise.
	(group_nodes_into_DFAstates): Likewise.
	(match_ctx_init): Likewise.
	(match_ctx_add_entry): Likewise.