IEEE math for the masses

[p5sagit/p5-mst-13.2.git] / pp.c

diff --git a/pp.c b/pp.c
index ca4f61d..2ba5b61 100644 (file)
--- a/pp.c
+++ b/pp.c
@@ -35,6 +35,14 @@
 extern Pid_t getpid (void);
 #endif
 
+/*
+ * Some BSDs and Cygwin default to POSIX math instead of IEEE.
+ * This switches them over to IEEE.
+ */
+#if defined(LIBM_LIB_VERSION)
+    _LIB_VERSION_TYPE _LIB_VERSION = _IEEE_;
+#endif
+
 /* variations on pp_null */
 
 PP(pp_stub)
@@ -175,9 +183,7 @@ PP(pp_rv2gv)
                    if (SvTYPE(sv) < SVt_RV)
                        sv_upgrade(sv, SVt_RV);
                    if (SvPVX(sv)) {
-                       SvOOK_off(sv);          /* backoff */
-                       if (SvLEN(sv))
-                           Safefree(SvPVX(sv));
+                       SvPV_free(sv);
                        SvLEN_set(sv, 0);
                         SvCUR_set(sv, 0);
                    }
@@ -825,8 +831,7 @@ PP(pp_undef)
        break;
     default:
        if (SvTYPE(sv) >= SVt_PV && SvPVX(sv) && SvLEN(sv)) {
-           SvOOK_off(sv);
-           Safefree(SvPVX(sv));
+           SvPV_free(sv);
            SvPV_set(sv, Nullch);
            SvLEN_set(sv, 0);
        }
@@ -1489,7 +1494,7 @@ PP(pp_repeat)
            if (count < 1)
                SvCUR_set(TARG, 0);
            else {
-               IV max = count * len;
+               STRLEN max = (UV)count * len;
                if (len > ((MEM_SIZE)~0)/count)
                     Perl_croak(aTHX_ oom_string_extend);
                MEM_WRAP_CHECK_1(max, char, oom_string_extend);