libc/regex/engine.c

379 	const char *sp;		/* start of string matched by it */
391 	sp = start;
413 			sp += XMBRTOWC(NULL, sp, stop - start, &m->mbs, 0);
422 			sp += XMBRTOWC(NULL, sp, stop - start, &m->mbs, 0);
433 				rest = slow(m, sp, stp, ss, es);
441 				assert(stp >= sp);	/* it did work */
446 			if (slow(m, sp, rest, ssub, esub) != NULL) {
447 				dp = dissect(m, sp, rest, ssub, esub);
450 				assert(sp == rest);
451 			sp = rest;
457 				rest = slow(m, sp, stp, ss, es);
465 				assert(stp >= sp);	/* it did work */
469 			ssp = sp;
487 			sp = rest;
493 				rest = slow(m, sp, stp, ss, es);
501 				assert(stp >= sp);	/* it did work */
507 				if (slow(m, sp, rest, ssub, esub) == rest)
520 			dp = dissect(m, sp, rest, ssub, esub);
522 			sp = rest;
534 			m->pmatch[i].rm_so = sp - m->offp;
539 			m->pmatch[i].rm_eo = sp - m->offp;
547 	assert(sp == stop);
548 	return(sp);
567 	const char *sp;		/* start of string matched by it */
580 	sp = start;
587 			if (sp == stop)
589 			sp += XMBRTOWC(&wc, sp, stop - sp, &m->mbs, BADCHAR);
594 			if (sp == stop)
596 			sp += XMBRTOWC(&wc, sp, stop - sp, &m->mbs, BADCHAR);
601 			if (sp == stop)
604 			sp += XMBRTOWC(&wc, sp, stop - sp, &m->mbs, BADCHAR);
609 			if ((sp == m->beginp && !(m->eflags&REG_NOTBOL)) ||
610 			    (sp > m->offp && sp < m->endp &&
611 			    *(sp-1) == '\n' && (m->g->cflags&REG_NEWLINE)))
617 			if ( (sp == m->endp && !(m->eflags&REG_NOTEOL)) ||
618 					(sp < m->endp && *sp == '\n' &&
625 			if (sp < m->endp && ISWORD(*sp) &&
626 			    ((sp == m->beginp && !(m->eflags&REG_NOTBOL)) ||
627 			    (sp > m->offp && !ISWORD(*(sp-1)))))
633 			if (( (sp == m->endp && !(m->eflags&REG_NOTEOL)) ||
634 					(sp < m->endp && *sp == '\n' &&
636 					(sp < m->endp && !ISWORD(*sp)) ) &&
637 					(sp > m->beginp && ISWORD(*(sp-1))) )
658 		if (sp != stop)
660 		return(sp);
665 	AT("hard", sp, stop, ss, stopst);
678 		if (sp > stop - len)
681 		if (memcmp(sp, ssp, len) != 0)
685 		return(backref(m, sp+len, stop, ss+1, stopst, lev, rec));
687 		dp = backref(m, sp, stop, ss+1, stopst, lev, rec);
690 		return(backref(m, sp, stop, ss+OPND(s)+1, stopst, lev, rec));
694 		m->lastpos[lev+1] = sp;
695 		return(backref(m, sp, stop, ss+1, stopst, lev+1, rec));
697 		if (sp == m->lastpos[lev])	/* last pass matched null */
698 			return(backref(m, sp, stop, ss+1, stopst, lev-1, rec));
700 		m->lastpos[lev] = sp;
701 		dp = backref(m, sp, stop, ss-OPND(s)+1, stopst, lev, rec);
703 			return(backref(m, sp, stop, ss+1, stopst, lev-1, rec));
711 			dp = backref(m, sp, stop, ssub, esub, lev, rec);
732 		m->pmatch[i].rm_so = sp - m->offp;
733 		dp = backref(m, sp, stop, ss+1, stopst, lev, rec);
742 		m->pmatch[i].rm_eo = sp - m->offp;
743 		dp = backref(m, sp, stop, ss+1, stopst, lev, rec);