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-rw-r--r--pp_sys.c36
1 files changed, 19 insertions, 17 deletions
diff --git a/pp_sys.c b/pp_sys.c
index b14ab9caf8..99f1eb54e6 100644
--- a/pp_sys.c
+++ b/pp_sys.c
@@ -838,24 +838,26 @@ PP(pp_untie)
SV *obj = SvRV(mg->mg_obj);
GV *gv;
CV *cv = NULL;
- if ((gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE)) &&
- isGV(gv) && (cv = GvCV(gv))) {
- PUSHMARK(SP);
- XPUSHs(SvTIED_obj((SV*)gv, mg));
- XPUSHs(sv_2mortal(newSViv(SvREFCNT(obj)-1)));
- PUTBACK;
- ENTER;
- call_sv((SV *)cv, G_VOID);
- LEAVE;
- SPAGAIN;
- }
- else if (ckWARN(WARN_UNTIE)) {
- if (mg && SvREFCNT(obj) > 1)
- Perl_warner(aTHX_ WARN_UNTIE,
- "untie attempted while %"UVuf" inner references still exist",
- (UV)SvREFCNT(obj) - 1 ) ;
+ if (obj) {
+ if ((gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE)) &&
+ isGV(gv) && (cv = GvCV(gv))) {
+ PUSHMARK(SP);
+ XPUSHs(SvTIED_obj((SV*)gv, mg));
+ XPUSHs(sv_2mortal(newSViv(SvREFCNT(obj)-1)));
+ PUTBACK;
+ ENTER;
+ call_sv((SV *)cv, G_VOID);
+ LEAVE;
+ SPAGAIN;
+ }
+ else if (ckWARN(WARN_UNTIE)) {
+ if (mg && SvREFCNT(obj) > 1)
+ Perl_warner(aTHX_ WARN_UNTIE,
+ "untie attempted while %"UVuf" inner references still exist",
+ (UV)SvREFCNT(obj) - 1 ) ;
+ }
}
- sv_unmagic(sv, how);
+ sv_unmagic(sv, how) ;
}
RETPUSHYES;
}