avoid more compiler warnings

diff --git a/Parameters.xs b/Parameters.xs
index 9418c07..261cbdb 100644 (file)
--- a/Parameters.xs
+++ b/Parameters.xs
@@ -802,7 +802,7 @@ static void register_info(pTHX_ UV key, SV *declarator, const KWSpec *kws, const
                size_t n;
                char *p = SvPV(declarator, n);
                char *q = memchr(p, ' ', n);
-               mPUSHp(p, q ? q - p : n);
+               mPUSHp(p, q ? (size_t)(q - p) : n);
        }
        if (!ps) {
                if (SvTRUE(kws->shift)) {
@@ -1709,12 +1709,12 @@ UV
 fp__cv_root(sv)
        SV * sv
        PREINIT:
-               CV *cv;
+               CV *xcv;
                HV *hv;
                GV *gv;
        CODE:
-               cv = sv_2cv(sv, &hv, &gv, 0);
-               RETVAL = PTR2UV(cv ? CvROOT(cv) : NULL);
+               xcv = sv_2cv(sv, &hv, &gv, 0);
+               RETVAL = PTR2UV(xcv ? CvROOT(xcv) : NULL);
        OUTPUT:
                RETVAL