Avoid calling SvEND() when SvPOKp() is not true.

Remove an unneeded duplicate SvCUR_set() in Perl_sv_2pv_flags().

p4raw-id: //depot/perl@31295

diff --git a/sv.c b/sv.c
index d5655b3..426cd64 100644 (file)
--- a/sv.c
+++ b/sv.c
@@ -2734,15 +2734,16 @@ Perl_sv_2pv_flags(pTHX_ register SV *sv, STRLEN *lp, I32 flags)
        const U32 isUIOK = SvIsUV(sv);
        char buf[TYPE_CHARS(UV)];
        char *ebuf, *ptr;
+       STRLEN len;
 
        if (SvTYPE(sv) < SVt_PVIV)
            sv_upgrade(sv, SVt_PVIV);
        ptr = uiv_2buf(buf, SvIVX(sv), SvUVX(sv), isUIOK, &ebuf);
+       len = ebuf - ptr;
        /* inlined from sv_setpvn */
-       SvGROW_mutable(sv, (STRLEN)(ebuf - ptr + 1));
-       Move(ptr,SvPVX_mutable(sv),ebuf - ptr,char);
-       SvCUR_set(sv, ebuf - ptr);
-       s = SvEND(sv);
+       s = SvGROW_mutable(sv, len + 1);
+       Move(ptr, s, len, char);
+       s += len;
        *s = '\0';
     }
     else if (SvNOKp(sv)) {
@@ -3998,7 +3999,7 @@ Perl_sv_usepvn_flags(pTHX_ SV *sv, char *ptr, STRLEN len, U32 flags)
     SvCUR_set(sv, len);
     SvLEN_set(sv, allocate);
     if (!(flags & SV_HAS_TRAILING_NUL)) {
-       *SvEND(sv) = '\0';
+       ptr[len] = '\0';
     }
     (void)SvPOK_only_UTF8(sv);         /* validate pointer */
     SvTAINT(sv);
@@ -7612,7 +7613,7 @@ Perl_sv_pvn_force_flags(pTHX_ SV *sv, STRLEN *lp, I32 flags)
            SvGROW(sv, len + 1);
            Move(s,SvPVX(sv),len,char);
            SvCUR_set(sv, len);
-           *SvEND(sv) = '\0';
+           SvPVX(sv)[len] = '\0';
        }
        if (!SvPOK(sv)) {
            SvPOK_on(sv);               /* validate pointer */