/* tainted $TERM is okay if it contains no metachars */
svp = hv_fetch(GvHVn(PL_envgv),"TERM",4,FALSE);
if (svp && *svp && SvTAINTED(*svp)) {
- STRLEN n_a;
+ STRLEN len;
const bool was_tainted = PL_tainted;
- char *t = SvPV(*svp, n_a);
- char *e = t + n_a;
+ const char *t = SvPV_const(*svp, len);
+ const char *e = t + len;
PL_tainted = was_tainted;
if (t < e && isALNUM(*t))
t++;