SV *sv;
const char *name;
STRLEN len;
+ char * unixname;
+ STRLEN unixlen;
+#ifdef VMS
+ int vms_unixname = 0;
+#endif
const char *tryname = NULL;
SV *namesv = NULL;
const I32 gimme = GIMME_V;
SVfARG(vnormal(sv)), SVfARG(vnormal(PL_patchlevel)));
}
else {
- if ( vcmp(sv,PL_patchlevel) > 0 )
- DIE(aTHX_ "Perl %"SVf" required--this is only %"SVf", stopped",
- SVfARG(vnormal(sv)), SVfARG(vnormal(PL_patchlevel)));
+ if ( vcmp(sv,PL_patchlevel) > 0 ) {
+ I32 first = 0;
+ AV *lav;
+ SV * const req = SvRV(sv);
+ SV * const pv = *hv_fetchs((HV*)req, "original", FALSE);
+
+ /* get the left hand term */
+ lav = (AV *)SvRV(*hv_fetchs((HV*)req, "version", FALSE));
+
+ first = SvIV(*av_fetch(lav,0,0));
+ if ( first > (int)PERL_REVISION /* probably 'use 6.0' */
+ || hv_exists((HV*)req, "qv", 2 ) /* qv style */
+ || av_len(lav) > 1 /* FP with > 3 digits */
+ || strstr(SvPVX(pv),".0") /* FP with leading 0 */
+ ) {
+ DIE(aTHX_ "Perl %"SVf" required--this is only "
+ "%"SVf", stopped", SVfARG(vnormal(req)),
+ SVfARG(vnormal(PL_patchlevel)));
+ }
+ else { /* probably 'use 5.10' or 'use 5.8' */
+ SV * hintsv = newSV(0);
+ I32 second = 0;
+
+ if (av_len(lav)>=1)
+ second = SvIV(*av_fetch(lav,1,0));
+
+ second /= second >= 600 ? 100 : 10;
+ hintsv = Perl_newSVpvf(aTHX_ "v%d.%d.%d",
+ (int)first, (int)second,0);
+ upg_version(hintsv, TRUE);
+
+ DIE(aTHX_ "Perl %"SVf" required (did you mean %"SVf"?)"
+ "--this is only %"SVf", stopped",
+ SVfARG(vnormal(req)),
+ SVfARG(vnormal(hintsv)),
+ SVfARG(vnormal(PL_patchlevel)));
+ }
+ }
}
/* If we request a version >= 5.9.5, load feature.pm with the
if (!(name && len > 0 && *name))
DIE(aTHX_ "Null filename used");
TAINT_PROPER("require");
+
+
+#ifdef VMS
+ /* The key in the %ENV hash is in the syntax of file passed as the argument
+ * usually this is in UNIX format, but sometimes in VMS format, which
+ * can result in a module being pulled in more than once.
+ * To prevent this, the key must be stored in UNIX format if the VMS
+ * name can be translated to UNIX.
+ */
+ if ((unixname = tounixspec(name, NULL)) != NULL) {
+ unixlen = strlen(unixname);
+ vms_unixname = 1;
+ }
+ else
+#endif
+ {
+ /* if not VMS or VMS name can not be translated to UNIX, pass it
+ * through.
+ */
+ unixname = (char *) name;
+ unixlen = len;
+ }
if (PL_op->op_type == OP_REQUIRE) {
- SV * const * const svp = hv_fetch(GvHVn(PL_incgv), name, len, 0);
+ SV * const * const svp = hv_fetch(GvHVn(PL_incgv),
+ unixname, unixlen, 0);
if ( svp ) {
if (*svp != &PL_sv_undef)
RETPUSHYES;
else
- DIE(aTHX_ "Compilation failed in require");
+ DIE(aTHX_ "Attempt to reload %s aborted.\n"
+ "Compilation failed in require", unixname);
}
}
AV * const ar = GvAVn(PL_incgv);
I32 i;
#ifdef VMS
- char *unixname;
- if ((unixname = tounixspec(name, NULL)) != NULL)
+ if (vms_unixname)
#endif
{
namesv = newSV(0);
|| (*name == ':' && name[1] != ':' && strchr(name+2, ':'))
#endif
) {
- const char *dir = SvPV_nolen_const(dirsv);
+ const char *dir = SvOK(dirsv) ? SvPV_nolen_const(dirsv) : "";
#ifdef MACOS_TRADITIONAL
char buf1[256];
char buf2[256];
/* name is never assigned to again, so len is still strlen(name) */
/* Check whether a hook in @INC has already filled %INC */
if (!hook_sv) {
- (void)hv_store(GvHVn(PL_incgv), name, len, newSVpv(CopFILE(&PL_compiling),0),0);
+ (void)hv_store(GvHVn(PL_incgv),
+ unixname, unixlen, newSVpv(CopFILE(&PL_compiling),0),0);
} else {
- SV** const svp = hv_fetch(GvHVn(PL_incgv), name, len, 0);
+ SV** const svp = hv_fetch(GvHVn(PL_incgv), unixname, unixlen, 0);
if (!svp)
- (void)hv_store(GvHVn(PL_incgv), name, len, SvREFCNT_inc_simple(hook_sv), 0 );
+ (void)hv_store(GvHVn(PL_incgv),
+ unixname, unixlen, SvREFCNT_inc_simple(hook_sv), 0 );
}
ENTER;
RETPUSHNO;
}
else {
- hv_store_ent(seen_this,
- sv_2mortal(newSViv(PTR2IV(*this_elem))),
- &PL_sv_undef, 0);
- hv_store_ent(seen_other,
- sv_2mortal(newSViv(PTR2IV(*other_elem))),
- &PL_sv_undef, 0);
+ (void)hv_store_ent(seen_this,
+ sv_2mortal(newSViv(PTR2IV(*this_elem))),
+ &PL_sv_undef, 0);
+ (void)hv_store_ent(seen_other,
+ sv_2mortal(newSViv(PTR2IV(*other_elem))),
+ &PL_sv_undef, 0);
PUSHs(*this_elem);
PUSHs(*other_elem);