X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/46c461b51dd657dd9227e8d230ce0a737a33cb3e..ce8abf5f5d2e5b19646ab17c24a3ea87c70428c8:/gv.c

diff --git a/gv.c b/gv.c
index 2726840..0ad4c0f 100644
--- a/gv.c
+++ b/gv.c
@@ -164,7 +164,7 @@ Perl_gv_init(pTHX_ GV *gv, HV *stash, const char *name, STRLEN len, int multi)
 	SvIOK_off(gv);
 	ENTER;
 	/* XXX unsafe for threads if eval_owner isn't held */
-	start_subparse(0,0);		/* Create CV in compcv. */
+	(void) start_subparse(0,0);	/* Create empty CV in compcv. */
 	GvCV(gv) = PL_compcv;
 	LEAVE;
 
@@ -302,8 +302,8 @@ Perl_gv_fetchmeth(pTHX_ HV *stash, const char *name, STRLEN len, I32 level)
 	/* NOTE: No support for tied ISA */
 	I32 items = AvFILLp(av) + 1;
 	while (items--) {
-	    SV* sv = *svp++;
-	    HV* basestash = gv_stashsv(sv, FALSE);
+	    SV* const sv = *svp++;
+	    HV* const basestash = gv_stashsv(sv, FALSE);
 	    if (!basestash) {
 		if (ckWARN(WARN_MISC))
 		    Perl_warner(aTHX_ packWARN(WARN_MISC), "Can't locate package %"SVf" for @%s::ISA",
@@ -320,9 +320,9 @@ Perl_gv_fetchmeth(pTHX_ HV *stash, const char *name, STRLEN len, I32 level)
     /* if at top level, try UNIVERSAL */
 
     if (level == 0 || level == -1) {
-	HV* lastchance;
+	HV* const lastchance = gv_stashpvn("UNIVERSAL", 9, FALSE);
 
-	if ((lastchance = gv_stashpvn("UNIVERSAL", 9, FALSE))) {
+	if (lastchance) {
 	    if ((gv = gv_fetchmeth(lastchance, name, len,
 				  (level >= 0) ? level + 1 : level - 1)))
 	    {
@@ -397,20 +397,6 @@ Perl_gv_fetchmeth_autoload(pTHX_ HV *stash, const char *name, STRLEN len, I32 le
 }
 
 /*
-=for apidoc gv_fetchmethod
-
-See L<gv_fetchmethod_autoload>.
-
-=cut
-*/
-
-GV *
-Perl_gv_fetchmethod(pTHX_ HV *stash, const char *name)
-{
-    return gv_fetchmethod_autoload(stash, name, TRUE);
-}
-
-/*
 =for apidoc gv_fetchmethod_autoload
 
 Returns the glob which contains the subroutine to call to invoke the method
@@ -669,7 +655,7 @@ Perl_gv_stashpvn(pTHX_ const char *name, U32 namelen, I32 create)
 	GvHV(tmpgv) = newHV();
     stash = GvHV(tmpgv);
     if (!HvNAME_get(stash))
-	Perl_hv_name_set(aTHX_ stash, name, namelen, 0);
+	hv_name_set(stash, name, namelen, 0);
     return stash;
 }
 
@@ -759,7 +745,7 @@ Perl_gv_fetchpvn_flags(pTHX_ const char *nambeg, STRLEN full_len, I32 flags,
 		    stash = GvHV(gv) = newHV();
 
 		if (!HvNAME_get(stash))
-		    Perl_hv_name_set(aTHX_ stash, nambeg, namend - nambeg, 0);
+		    hv_name_set(stash, nambeg, namend - nambeg, 0);
 	    }
 
 	    if (*namend == ':')
@@ -958,7 +944,7 @@ Perl_gv_fetchpvn_flags(pTHX_ const char *nambeg, STRLEN full_len, I32 flags,
 		    hv = GvHVn(gv);
 		    hv_magic(hv, Nullgv, PERL_MAGIC_sig);
 		    for (i = 1; i < SIG_SIZE; i++) {
-			SV ** const init = hv_fetch(hv, PL_sig_name[i], strlen(PL_sig_name[i]), 1);
+			SV * const * const init = hv_fetch(hv, PL_sig_name[i], strlen(PL_sig_name[i]), 1);
 			if (init)
 			    sv_setsv(*init, &PL_sv_undef);
 			PL_psig_ptr[i] = 0;
@@ -1183,38 +1169,12 @@ Perl_gv_fullname4(pTHX_ SV *sv, const GV *gv, const char *prefix, bool keepmain)
 }
 
 void
-Perl_gv_fullname3(pTHX_ SV *sv, const GV *gv, const char *prefix)
-{
-    gv_fullname4(sv, gv, prefix, TRUE);
-}
-
-void
 Perl_gv_efullname4(pTHX_ SV *sv, const GV *gv, const char *prefix, bool keepmain)
 {
     const GV * const egv = GvEGV(gv);
     gv_fullname4(sv, egv ? egv : gv, prefix, keepmain);
 }
 
-void
-Perl_gv_efullname3(pTHX_ SV *sv, const GV *gv, const char *prefix)
-{
-    gv_efullname4(sv, gv, prefix, TRUE);
-}
-
-/* compatibility with versions <= 5.003. */
-void
-Perl_gv_fullname(pTHX_ SV *sv, const GV *gv)
-{
-    gv_fullname3(sv, gv, sv == (const SV*)gv ? "*" : "");
-}
-
-/* compatibility with versions <= 5.003. */
-void
-Perl_gv_efullname(pTHX_ SV *sv, const GV *gv)
-{
-    gv_efullname3(sv, gv, sv == (const SV*)gv ? "*" : "");
-}
-
 IO *
 Perl_newIO(pTHX)
 {
@@ -1222,7 +1182,10 @@ Perl_newIO(pTHX)
     IO * const io = (IO*)NEWSV(0,0);
 
     sv_upgrade((SV *)io,SVt_PVIO);
-    SvREFCNT(io) = 1;
+    /* This used to read SvREFCNT(io) = 1;
+       It's not clear why the reference count needed an explicit reset. NWC
+    */
+    assert (SvREFCNT(io) == 1);
     SvOBJECT_on(io);
     /* Clear the stashcache because a new IO could overrule a package name */
     hv_clear(PL_stashcache);
@@ -1260,14 +1223,14 @@ Perl_gv_check(pTHX_ HV *stash)
 		file = GvFILE(gv);
 		/* performance hack: if filename is absolute and it's a standard
 		 * module, don't bother warning */
-		if (file
-		    && PERL_FILE_IS_ABSOLUTE(file)
 #ifdef MACOS_TRADITIONAL
-		    && (instr(file, ":lib:")
+#   define LIB_COMPONENT ":lib:"
 #else
-		    && (instr(file, "/lib/")
+#   define LIB_COMPONENT "/lib/"
 #endif
-		    || instr(file, ".pm")))
+		if (file
+		    && PERL_FILE_IS_ABSOLUTE(file)
+		    && (instr(file, LIB_COMPONENT) || instr(file, ".pm")))
 		{
 		    continue;
 		}