/* If there is a "must appear" string, look for it. */
s = startpos;
- if (prog->reganch & ROPT_GPOS_SEEN) {
+ if (prog->reganch & ROPT_GPOS_SEEN) { /* Need to have PL_reg_ganch */
MAGIC *mg;
- if (!(flags & REXEC_IGNOREPOS) && sv && SvTYPE(sv) >= SVt_PVMG
- && SvMAGIC(sv) && (mg = mg_find(sv, 'g')) && mg->mg_len >= 0)
- PL_reg_ganch = strbeg + mg->mg_len;
- else
+ if (flags & REXEC_IGNOREPOS) /* Means: check only at start */
PL_reg_ganch = startpos;
- if (prog->reganch & ROPT_ANCH_GPOS) {
- if (s > PL_reg_ganch)
- goto phooey;
- s = PL_reg_ganch;
+ else if (sv && SvTYPE(sv) >= SVt_PVMG
+ && SvMAGIC(sv)
+ && (mg = mg_find(sv, 'g')) && mg->mg_len >= 0) {
+ PL_reg_ganch = strbeg + mg->mg_len; /* Defined pos() */
+ if (prog->reganch & ROPT_ANCH_GPOS) {
+ if (s > PL_reg_ganch)
+ goto phooey;
+ s = PL_reg_ganch;
+ }
}
+ else /* pos() not defined */
+ PL_reg_ganch = strbeg;
}
if (!(flags & REXEC_CHECKED) && prog->check_substr != Nullsv) {
}
PL_reg_magic = mg;
PL_reg_oldpos = mg->mg_len;
- SAVEDESTRUCTOR(restore_pos, 0);
+ SAVEDESTRUCTOR_X(restore_pos, 0);
}
if (!PL_reg_curpm)
New(22,PL_reg_curpm, 1, PMOP);
next = NULL;
break;
default:
- PerlIO_printf(PerlIO_stderr(), "%lx %d\n",
+ PerlIO_printf(Perl_error_log, "%lx %d\n",
(unsigned long)scan, OP(scan));
Perl_croak(aTHX_ "regexp memory corruption");
}