More efficient API choices for string appending.

diff --git a/perl.c b/perl.c
index f55521d..34bbbab 100644 (file)
--- a/perl.c
+++ b/perl.c
@@ -3311,14 +3311,14 @@ Perl_moreswitches(pTHX_ const char *s)
 #ifdef PERL_PATCHNUM
            SV* num= newSVpvn(STRINGIFY(PERL_PATCHNUM),sizeof(STRINGIFY(PERL_PATCHNUM))-1);
 #ifdef PERL_GIT_UNCOMMITTED_CHANGES
-           Perl_sv_catpvf(aTHX_ num,"%s","*");
+           sv_catpvs(num, "*");
 #endif
 
            if (sv_len(num)>=sv_len(level) && strnEQ(SvPV_nolen(num),SvPV_nolen(level),sv_len(level))) {
                SvREFCNT_dec(level);
                level= num;
            } else {
-               Perl_sv_catpvf(aTHX_ level, " (%s)",SvPV_nolen(num));
+               Perl_sv_catpvf(aTHX_ level, " (%"SVf")", num);
                SvREFCNT_dec(num);
            }
  #endif