Fix uninitialized warnings in Pod::Perldoc

[perl5.git] / universal.c

diff --git a/universal.c b/universal.c
index 6041c6d..4da6fc5 100644 (file)
--- a/universal.c
+++ b/universal.c
@@ -221,6 +221,7 @@ XS(XS_version_noop);
 #endif
 XS(XS_version_is_alpha);
 XS(XS_version_qv);
+XS(XS_version_is_qv);
 XS(XS_utf8_is_utf8);
 XS(XS_utf8_valid);
 XS(XS_utf8_encode);
@@ -267,6 +268,7 @@ Perl_boot_core_UNIVERSAL(pTHX)
        /* Make it findable via fetchmethod */
        newXS("version::()", XS_version_noop, file);
        newXS("version::new", XS_version_new, file);
+       newXS("version::parse", XS_version_new, file);
        newXS("version::(\"\"", XS_version_stringify, file);
        newXS("version::stringify", XS_version_stringify, file);
        newXS("version::(0+", XS_version_numify, file);
@@ -281,6 +283,8 @@ Perl_boot_core_UNIVERSAL(pTHX)
        newXS("version::noop", XS_version_noop, file);
        newXS("version::is_alpha", XS_version_is_alpha, file);
        newXS("version::qv", XS_version_qv, file);
+       newXS("version::declare", XS_version_qv, file);
+       newXS("version::is_qv", XS_version_is_qv, file);
     }
     newXS("utf8::is_utf8", XS_utf8_is_utf8, file);
     newXS("utf8::valid", XS_utf8_valid, file);
@@ -296,6 +300,7 @@ Perl_boot_core_UNIVERSAL(pTHX)
                XS_Internals_hv_clear_placehold, file, "\\%");
     newXSproto("PerlIO::get_layers",
                XS_PerlIO_get_layers, file, "*;@");
+    /* Providing a Regexp::DESTROY fixes #21347. See test in t/op/ref.t  */
     CvFILE(newCONSTSUB(get_hv("Regexp::", GV_ADD), "DESTROY", NULL))
        = (char *)file;
     newXSproto("Internals::hash_seed",XS_Internals_hash_seed, file, "");
@@ -728,25 +733,54 @@ XS(XS_version_qv)
 {
     dVAR;
     dXSARGS;
-    if (items != 1)
-       croak_xs_usage(cv, "ver");
+    PERL_UNUSED_ARG(cv);
     SP -= items;
     {
-       SV *    ver = ST(0);
-       if ( !SvVOK(ver) ) { /* only need to do with if not already v-string */
-           SV * const rv = sv_newmortal();
+       SV * ver = ST(0);
+       SV * rv;
+       const char * classname = "";
+       if ( items == 2 && (ST(1)) != &PL_sv_undef ) {
+           /* getting called as object or class method */
+           ver = ST(1);
+           classname = 
+               sv_isobject(ST(0)) /* class called as an object method */
+                   ? HvNAME_get(SvSTASH(SvRV(ST(0))))
+                   : (char *)SvPV_nolen(ST(0));
+       }
+       if ( !SvVOK(ver) ) { /* not already a v-string */
+           rv = sv_newmortal();
            sv_setsv(rv,ver); /* make a duplicate */
            upg_version(rv, TRUE);
-           PUSHs(rv);
+       } else {
+           rv = sv_2mortal(new_version(ver));
        }
-       else
-       {
-           mPUSHs(new_version(ver));
+       if ( items == 2 && strcmp(classname,"version") ) { /* inherited new() */
+           sv_bless(rv, gv_stashpv(classname, GV_ADD));
        }
+       PUSHs(rv);
+    }
+    PUTBACK;
+    return;
+}
 
+XS(XS_version_is_qv)
+{
+    dVAR;
+    dXSARGS;
+    if (items != 1)
+       croak_xs_usage(cv, "lobj");
+    SP -= items;
+    if (sv_derived_from(ST(0), "version")) {
+       SV * const lobj = ST(0);
+       if ( hv_exists(MUTABLE_HV(SvRV(lobj)), "qv", 2 ) )
+           XSRETURN_YES;
+       else
+           XSRETURN_NO;
        PUTBACK;
        return;
     }
+    else
+       Perl_croak(aTHX_ "lobj is not of type version");
 }
 
 XS(XS_utf8_is_utf8)