1 // \0 is not a valid backref
12 n
= regcomp(&r
, pat
, 0);
13 // standard allows REG_BADPAT for all pattern errors
14 if (n
!= REG_ESUBREG
&& n
!= REG_BADPAT
) {
15 regerror(n
, &r
, buf
, sizeof buf
);
16 t_error("regcomp(%s) returned %d (%s) wanted REG_ESUBREG\n", pat
, n
, buf
);