assert that you aren't assigning to the NVX of an AV or HV
[p5sagit/p5-mst-13.2.git] / pp_hot.c
index ecae465..04becac 100644 (file)
--- a/pp_hot.c
+++ b/pp_hot.c
@@ -153,7 +153,7 @@ PP(pp_concat)
 
     if (TARG == right && right != left) {
        right = sv_2mortal(newSVpvn(rpv, rlen));
-       rpv = SvPV(right, rlen);        /* no point setting UTF-8 here */
+       rpv = SvPV_const(right, rlen);  /* no point setting UTF-8 here */
        rcopied = TRUE;
     }
 
@@ -186,7 +186,7 @@ PP(pp_concat)
            if (!rcopied)
                right = sv_2mortal(newSVpvn(rpv, rlen));
            sv_utf8_upgrade_nomg(right);
-           rpv = SvPV(right, rlen);
+           rpv = SvPV_const(right, rlen);
        }
     }
     sv_catpvn_nomg(TARG, rpv, rlen);
@@ -1398,7 +1398,7 @@ yup:                                      /* Confirmed by INTUIT */
                              (int)(t-truebase));
            }
            rx->saved_copy = sv_setsv_cow(rx->saved_copy, TARG);
-           rx->subbeg = SvPVX_const(rx->saved_copy) + (t - truebase);
+           rx->subbeg = (char *) SvPVX_const(rx->saved_copy) + (t - truebase);
            assert (SvPOKp(rx->saved_copy));
        } else
 #endif
@@ -1527,8 +1527,7 @@ Perl_do_readline(pTHX)
        offset = 0;
        if (type == OP_RCATLINE && SvOK(sv)) {
            if (!SvPOK(sv)) {
-               STRLEN n_a;
-               (void)SvPV_force(sv, n_a);
+               SvPV_force_nolen(sv);
            }
            offset = SvCUR(sv);
        }
@@ -1591,6 +1590,7 @@ Perl_do_readline(pTHX)
        XPUSHs(sv);
        if (type == OP_GLOB) {
            char *tmps;
+           const char *t1;
 
            if (SvCUR(sv) > 0 && SvCUR(PL_rs) > 0) {
                tmps = SvEND(sv) - 1;
@@ -1599,16 +1599,16 @@ Perl_do_readline(pTHX)
                    SvCUR_set(sv, SvCUR(sv) - 1);
                }
            }
-           for (tmps = SvPVX(sv); *tmps; tmps++)
-               if (!isALPHA(*tmps) && !isDIGIT(*tmps) &&
-                   strchr("$&*(){}[]'\";\\|?<>~`", *tmps))
+           for (t1 = SvPVX_const(sv); *t1; t1++)
+               if (!isALPHA(*t1) && !isDIGIT(*t1) &&
+                   strchr("$&*(){}[]'\";\\|?<>~`", *t1))
                        break;
-           if (*tmps && PerlLIO_lstat(SvPVX_const(sv), &PL_statbuf) < 0) {
+           if (*t1 && PerlLIO_lstat(SvPVX_const(sv), &PL_statbuf) < 0) {
                (void)POPs;             /* Unmatched wildcard?  Chuck it... */
                continue;
            }
        } else if (SvUTF8(sv)) { /* OP_READLINE, OP_RCATLINE */
-            const U8 *s = (U8*)SvPVX(sv) + offset;
+            const U8 *s = (const U8*)SvPVX_const(sv) + offset;
             const STRLEN len = SvCUR(sv) - offset;
             const U8 *f;
             
@@ -1992,7 +1992,7 @@ PP(pp_subst)
        DIE(aTHX_ PL_no_modify);
     PUTBACK;
 
-    s = SvPV(TARG, len);
+    s = SvPV_mutable(TARG, len);
     if (!SvPOKp(TARG) || SvTYPE(TARG) == SVt_PVGV)
        force_on_match = 1;
     rxtainted = ((pm->op_pmdynflags & PMdf_TAINTED) ||
@@ -2619,8 +2619,7 @@ PP(pp_entersub)
                sym = SvPOKp(sv) ? SvPVX_const(sv) : Nullch;
            }
            else {
-                STRLEN n_a;
-               sym = SvPV(sv, n_a);
+               sym = SvPV_nolen_const(sv);
             }
            if (!sym)
                DIE(aTHX_ PL_no_usym, "a subroutine");