Faster gv_fetchpv() for nested packages

Date: 04 Feb 1998 14:49:46 +0100
From: Gisle Aas <gisle@aas.no>
as modified by
From: chip@atlantic.net
Date: Wed, 4 Feb 1998 11:46:49 -0500 (EST)

p4raw-id: //depot/perl@477

diff --git a/gv.c b/gv.c
index 80090c9..9ef439b 100644 (file)
--- a/gv.c
+++ b/gv.c
@@ -399,7 +399,6 @@ gv_fetchpv(char *nambeg, I32 add, I32 sv_type)
     register char *namend;
     HV *stash = 0;
     U32 add_gvflags = 0;
-    char *tmpbuf;
 
     if (*name == '*' && isALPHA(name[1])) /* accidental stringify on a GV? */
        name++;
@@ -415,20 +414,21 @@ gv_fetchpv(char *nambeg, I32 add, I32 sv_type)
 
            len = namend - name;
            if (len > 0) {
-               New(601, tmpbuf, len+3, char);
+               char *tmpbuf;
+               char autobuf[64];
+
+               if (len < sizeof(autobuf) - 2)
+                   tmpbuf = autobuf;
+               else
+                   New(601, tmpbuf, len+3, char);
                Copy(name, tmpbuf, len, char);
                tmpbuf[len++] = ':';
                tmpbuf[len++] = ':';
                tmpbuf[len] = '\0';
                gvp = (GV**)hv_fetch(stash,tmpbuf,len,add);
-               gv = gvp ? *gvp : Nullgv;
-               if (gv && gv != (GV*)&sv_undef) {
-                   if (SvTYPE(gv) != SVt_PVGV)
-                       gv_init(gv, stash, tmpbuf, len, (add & 2));
-                   else
-                       GvMULTI_on(gv);
-               }
-               Safefree(tmpbuf);
+               if (tmpbuf != autobuf)
+                   Safefree(tmpbuf);
+
                if (!gv || gv == (GV*)&sv_undef)
                    return Nullgv;
                else