n = ARG(scan); /* which paren pair */
s = regstartp[n];
if (*reglastparen < n || !s)
- break; /* Zero length always matches */
+ sayNO; /* Do not match unless seen CLOSEn. */
if (s == regendp[n])
break;
/* Inline the first character, for speed. */
*reglastparen = paren;
}
#endif
- scan = NEXTOPER(scan) + 4/sizeof(regnode);
+ scan = NEXTOPER(scan) + NODE_STEP_REGNODE;
if (paren)
scan += NEXT_OFF(scan); /* Skip former OPEN. */
reginput = locinput;
*reglastparen = paren;
ln = ARG1(scan); /* min to match */
n = ARG2(scan); /* max to match */
- scan = regnext(NEXTOPER(scan) + 4/sizeof(regnode));
+ scan = regnext(NEXTOPER(scan) + NODE_STEP_REGNODE);
goto repeat;
case CURLY:
paren = 0;
ln = ARG1(scan); /* min to match */
n = ARG2(scan); /* max to match */
- scan = NEXTOPER(scan) + 4/sizeof(regnode);
+ scan = NEXTOPER(scan) + NODE_STEP_REGNODE;
goto repeat;
case STAR:
ln = 0;