libc/regex/regcomp.c

168 #define	MORE()	(p->next < p->end)
170 #define	SEE(c)	(MORE() && PEEK() == (c))
171 #define	SEETWO(a, b)	(MORE() && MORE2() && PEEK() == (a) && PEEK2() == (b))
182 #define	MUSTSEE(c, e)	(REQUIRE(MORE() && PEEK() == (c), e))
183 #define	MUSTEAT(c, e)	(REQUIRE(MORE() && GETNEXT() == (c), e))
184 #define	MUSTNOTSEE(c, e)	(REQUIRE(!MORE() || PEEK() != (c), e))
365 	assert(MORE());		/* caller should have ensured this */
371 		(void)REQUIRE(MORE(), REG_EPAREN);
427 		(void)REQUIRE(MORE(), REG_EESCAPE);
442 		(void)REQUIRE(!MORE() || !isdigit((uch)PEEK()), REG_BADRPT);
453 	if (!MORE())
496 			while (MORE() && PEEK() != '}')
498 			(void)REQUIRE(MORE(), REG_EBRACE);
504 	if (!MORE())
521 	(void)REQUIRE(MORE(), REG_EMPTY);
522 	while (MORE())
605 	else if ((ate > 1 || (bc->outer && !MORE())) && !p_branch_empty(p, bc))
675 		while (MORE() && (!p->allowbranch || !SEESPEC('|')) && !SEEEND()) {
697 	assert(!MORE() || SEE(end1));
718 	assert(MORE());		/* caller should have ensured this */
721 		(void)REQUIRE(MORE(), REG_EESCAPE);
749 		/* the MORE here is an error heuristic */
750 		if (MORE() && !SEETWO('\\', ')'))
812 			if (MORE() && isdigit((uch)PEEK())) {
821 			while (MORE() && !SEETWO('\\', '}'))
823 			(void)REQUIRE(MORE(), REG_EBRACE);
842 	while (MORE() && isdigit((uch)PEEK()) && count <= DUPMAX) {
884 	while (MORE() && PEEK() != ']' && !SEETWO('-', ']'))
917 	switch ((MORE()) ? PEEK() : '\0') {
932 		(void)REQUIRE(MORE(), REG_EBRACK);
936 		(void)REQUIRE(MORE(), REG_EBRACK);
941 		(void)REQUIRE(MORE(), REG_EBRACK);
945 		(void)REQUIRE(MORE(), REG_EBRACK);
991 	while (MORE() && isalpha((uch)PEEK()))
1031 	(void)REQUIRE(MORE(), REG_EBRACK);
1055 	while (MORE() && !SEETWO(endc, ']'))
1057 	if (!MORE()) {