Minor tweak to via

Message-ID: <20050513163952.GA20167@petdance.com>

from a bug report and patch by Matt Lawrence

p4raw-id: //depot/perl@24471

diff --git a/ext/PerlIO/via/via.xs b/ext/PerlIO/via/via.xs
index ad27416..fffa689 100644 (file)
--- a/ext/PerlIO/via/via.xs
+++ b/ext/PerlIO/via/via.xs
@@ -133,7 +133,7 @@ PerlIOVia_pushed(pTHX_ PerlIO * f, const char *mode, SV * arg,
        }
        else {
            STRLEN pkglen = 0;
-           char *pkg = SvPV(arg, pkglen);
+           const char *pkg = SvPV(arg, pkglen);
            s->obj = SvREFCNT_inc(arg);
            s->stash = gv_stashpvn(pkg, pkglen, FALSE);
            if (!s->stash) {
@@ -169,7 +169,7 @@ PerlIOVia_pushed(pTHX_ PerlIO * f, const char *mode, SV * arg,
                            ? &PL_sv_yes : &PL_sv_no;
                result = PerlIOVia_method(aTHX_ f, MYMethod(UTF8), G_SCALAR, modesv, Nullsv);
                if (result && SvTRUE(result)) {
-                   PerlIOBase(f)->flags |= ~PERLIO_F_UTF8;
+                   PerlIOBase(f)->flags |= PERLIO_F_UTF8;
                }
                else {
                    PerlIOBase(f)->flags &= ~PERLIO_F_UTF8;
@@ -247,7 +247,7 @@ PerlIOVia_open(pTHX_ PerlIO_funcs * self, PerlIO_list_t * layers,
        else {
            /* Required open method not present */
            PerlIO_funcs *tab = NULL;
-           IV m = n - 1;
+           const IV m = n - 1;
            while (m >= 0) {
                PerlIO_funcs *t =
                    PerlIO_layer_fetch(aTHX_ layers, m, NULL);
@@ -456,7 +456,7 @@ PerlIOVia_fill(pTHX_ PerlIO * f)
        }
        if (result && SvOK(result)) {
            STRLEN len = 0;
-           char *p = SvPV(result, len);
+           const char *p = SvPV(result, len);
            s->var = newSVpvn(p, len);
            s->cnt = SvCUR(s->var);
            return 0;