Tidy up the reference name stringification to save getting the
Nicholas Clark [Wed, 1 Dec 2004 16:35:10 +0000 (16:35 +0000)]
hash name twice. Pleasant side effect is 44 byte smaller object
file. (A small win is still a win)

p4raw-id: //depot/perl@23587

sv.c

diff --git a/sv.c b/sv.c
index 43620e9..82b844a 100644 (file)
--- a/sv.c
+++ b/sv.c
@@ -3620,14 +3620,13 @@ Perl_sv_2pv_flags(pTHX_ register SV *sv, STRLEN *lp, I32 flags)
                default:        s = "UNKNOWN";                  break;
                }
                tsv = NEWSV(0,0);
-               if (SvOBJECT(sv))
-                   if (HvNAME(SvSTASH(sv)))
-                       Perl_sv_setpvf(aTHX_ tsv, "%s=%s", HvNAME(SvSTASH(sv)), s);
-                   else
-                       Perl_sv_setpvf(aTHX_ tsv, "__ANON__=%s", s);
+               if (SvOBJECT(sv)) {
+                   const char *name = HvNAME(SvSTASH(sv));
+                   Perl_sv_setpvf(aTHX_ tsv, "%s=%s(0x%"UVxf")",
+                                  name ? name : "__ANON__" , s, PTR2UV(sv));
+               }
                else
-                   sv_setpv(tsv, s);
-               Perl_sv_catpvf(aTHX_ tsv, "(0x%"UVxf")", PTR2UV(sv));
+                   Perl_sv_setpvf(aTHX_ tsv, "%s(0x%"UVxf")", s, PTR2UV(sv));
                goto tokensaveref;
            }
            *lp = strlen(s);