Blame SOURCES/Storable-2.56-Upgrade-to-2.62.patch

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From 21ca1aa78dfe7569a97d588860239ebdc39c4bfe Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Petr=20P=C3=ADsa=C5=99?= <ppisar@redhat.com>
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Date: Thu, 11 May 2017 12:41:12 +0200
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Subject: [PATCH] Upgrade to 2.62
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Unbundled from perl-5.25.12.
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Signed-off-by: Petr Písař <ppisar@redhat.com>
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---
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 Storable.pm    |  18 ++--
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 Storable.xs    | 312 +++++++++++++++++++++++++++++++++------------------------
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 t/code.t       |   4 +-
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 t/compat01.t   |   2 +-
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 t/dclone.t     |   2 +-
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 t/destroy.t    |   2 +-
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 t/file_magic.t |   2 +-
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 t/forgive.t    |   2 +-
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 t/recurse.t    |   2 +-
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 t/store.t      |  28 +++++-
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 t/testlib.pl   |   6 +-
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 11 files changed, 231 insertions(+), 149 deletions(-)
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diff --git a/Storable.pm b/Storable.pm
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index c8f6db1..d8fd740 100644
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--- a/Storable.pm
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+++ b/Storable.pm
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@@ -22,10 +22,16 @@ package Storable; @ISA = qw(Exporter);
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 use vars qw($canonical $forgive_me $VERSION);
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-$VERSION = '2.56';
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+$VERSION = '2.62';
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 BEGIN {
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-    if (eval { local $SIG{__DIE__}; require Log::Agent; 1 }) {
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+    if (eval {
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+        local $SIG{__DIE__};
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+        local @INC = @INC;
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+        pop @INC if $INC[-1] eq '.';
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+        require Log::Agent;
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+        1;
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+    }) {
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         Log::Agent->import;
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     }
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     #
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@@ -113,7 +119,7 @@ sub file_magic {
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     my $file = shift;
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     my $fh = IO::File->new;
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-    open($fh, "<". $file) || die "Can't open '$file': $!";
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+    open($fh, "<", $file) || die "Can't open '$file': $!";
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     binmode($fh);
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     defined(sysread($fh, my $buf, 32)) || die "Can't read from '$file': $!";
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     close($fh);
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@@ -239,7 +245,7 @@ sub _store {
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 	logcroak "wrong argument number" unless @_ == 2;	# No @foo in arglist
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 	local *FILE;
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 	if ($use_locking) {
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-		open(FILE, ">>$file") || logcroak "can't write into $file: $!";
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+		open(FILE, '>>', $file) || logcroak "can't write into $file: $!";
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 		unless (&CAN_FLOCK) {
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 			logcarp
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 				"Storable::lock_store: fcntl/flock emulation broken on $^O";
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@@ -250,7 +256,7 @@ sub _store {
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 		truncate FILE, 0;
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 		# Unlocking will happen when FILE is closed
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 	} else {
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-		open(FILE, ">$file") || logcroak "can't create $file: $!";
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+		open(FILE, '>', $file) || logcroak "can't create $file: $!";
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 	}
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 	binmode FILE;				# Archaic systems...
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 	my $da = $@;				# Don't mess if called from exception handler
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@@ -367,7 +373,7 @@ sub lock_retrieve {
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 sub _retrieve {
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 	my ($file, $use_locking) = @_;
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 	local *FILE;
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-	open(FILE, $file) || logcroak "can't open $file: $!";
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+	open(FILE, '<', $file) || logcroak "can't open $file: $!";
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 	binmode FILE;							# Archaic systems...
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 	my $self;
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 	my $da = $@;							# Could be from exception handler
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diff --git a/Storable.xs b/Storable.xs
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index 707f530..9ba48be 100644
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--- a/Storable.xs
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+++ b/Storable.xs
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@@ -417,6 +417,7 @@ static MAGIC *THX_sv_magicext(pTHX_ SV *sv, SV *obj, int type,
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 #define INIT_STCXT							\
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 	dSTCXT;									\
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 	NEW_STORABLE_CXT_OBJ(cxt);				\
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+	assert(perinterp_sv);					\
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 	sv_setiv(perinterp_sv, PTR2IV(cxt->my_sv))
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 #define SET_STCXT(x)								\
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@@ -1038,24 +1039,38 @@ static const char byteorderstr_56[] = {BYTEORDER_BYTES_56, 0};
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  * i should be true iff sv is immortal (ie PL_sv_yes, PL_sv_no or PL_sv_undef)
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  *
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  * SEEN0() is a short-cut where stash is always NULL.
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+ *
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+ * The _NN variants dont check for y being null
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  */
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-#define SEEN0(y,i)						        \
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+#define SEEN0_NN(y,i)						        \
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     STMT_START {							\
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-	if (!y)								\
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-		return (SV *) 0;					\
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 	if (av_store(cxt->aseen, cxt->tagnum++, i ? (SV*)(y) : SvREFCNT_inc(y)) == 0) \
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 		return (SV *) 0;					\
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-	TRACEME(("aseen(#%d) = 0x%"UVxf" (refcnt=%d)", cxt->tagnum-1,   \
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+	TRACEME(("aseen(#%d) = 0x%" UVxf " (refcnt=%d)", cxt->tagnum-1, \
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 		 PTR2UV(y), SvREFCNT(y)-1));		                \
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     } STMT_END
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-#define SEEN(y,stash,i)						        \
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+#define SEEN0(y,i)						        \
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     STMT_START {							\
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-        SEEN0(y,i);						        \
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+	if (!y)								\
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+		return (SV *) 0;					\
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+        SEEN0_NN(y,i)						        \
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+    } STMT_END
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+
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+#define SEEN_NN(y,stash,i)					        \
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+    STMT_START {							\
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+        SEEN0_NN(y,i);						        \
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 	if (stash)							\
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 		BLESS((SV *) (y), (HV *)(stash));			\
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     } STMT_END
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+#define SEEN(y,stash,i)						        \
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+    STMT_START {							\
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+	if (!y)								\
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+	    return (SV *) 0;					        \
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+        SEEN_NN(y,stash, i);					        \
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+    } STMT_END
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+
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 /*
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  * Bless 's' in 'p', via a temporary reference, required by sv_bless().
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  * "A" magic is added before the sv_bless for overloaded classes, this avoids
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@@ -1064,7 +1079,7 @@ static const char byteorderstr_56[] = {BYTEORDER_BYTES_56, 0};
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 #define BLESS(s,stash) 						\
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   STMT_START {								\
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 	SV *ref;								\
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-	TRACEME(("blessing 0x%"UVxf" in %s", PTR2UV(s), (HvNAME_get(stash)))); \
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+	TRACEME(("blessing 0x%" UVxf " in %s", PTR2UV(s), (HvNAME_get(stash))));\
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 	ref = newRV_noinc(s);					\
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 	if (cxt->in_retrieve_overloaded && Gv_AMG(stash)) \
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 	{ \
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@@ -1703,6 +1718,7 @@ static int last_op_in_netorder(pTHX)
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 {
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 	dSTCXT;
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+	assert(cxt);
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 	return cxt->netorder;
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 }
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@@ -1737,7 +1753,7 @@ static SV *pkg_fetchmeth(
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 	gv = gv_fetchmethod_autoload(pkg, method, FALSE);
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 	if (gv && isGV(gv)) {
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 		sv = newRV((SV*) GvCV(gv));
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-		TRACEME(("%s->%s: 0x%"UVxf, hvname, method, PTR2UV(sv)));
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+		TRACEME(("%s->%s: 0x%" UVxf, hvname, method, PTR2UV(sv)));
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 	} else {
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 		sv = newSVsv(&PL_sv_undef);
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 		TRACEME(("%s->%s: not found", hvname, method));
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@@ -1821,7 +1837,7 @@ static SV *pkg_can(
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 			TRACEME(("cached %s->%s: not found", hvname, method));
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 			return (SV *) 0;
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 		} else {
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-			TRACEME(("cached %s->%s: 0x%"UVxf,
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+			TRACEME(("cached %s->%s: 0x%" UVxf,
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 				hvname, method, PTR2UV(sv)));
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 			return sv;
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 		}
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@@ -1863,7 +1879,7 @@ static SV *scalar_call(
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 		int i;
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 		XPUSHs(ary[0]);							/* Frozen string */
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 		for (i = 1; i < cnt; i++) {
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-			TRACEME(("pushing arg #%d (0x%"UVxf")...",
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+			TRACEME(("pushing arg #%d (0x%" UVxf ")...",
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 				 i, PTR2UV(ary[i])));
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 			XPUSHs(sv_2mortal(newRV(ary[i])));
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 		}
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@@ -1988,7 +2004,7 @@ static int known_class(
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 static int store_ref(pTHX_ stcxt_t *cxt, SV *sv)
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 {
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 	int is_weak = 0;
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-	TRACEME(("store_ref (0x%"UVxf")", PTR2UV(sv)));
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+	TRACEME(("store_ref (0x%" UVxf ")", PTR2UV(sv)));
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 	/*
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 	 * Follow reference, and check if target is overloaded.
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@@ -1997,14 +2013,16 @@ static int store_ref(pTHX_ stcxt_t *cxt, SV *sv)
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 #ifdef SvWEAKREF
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 	if (SvWEAKREF(sv))
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 		is_weak = 1;
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-	TRACEME(("ref (0x%"UVxf") is%s weak", PTR2UV(sv), is_weak ? "" : "n't"));
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+	TRACEME(("ref (0x%" UVxf ") is%s weak", PTR2UV(sv), is_weak
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+                                                            ? ""
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+                                                            : "n't"));
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 #endif
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 	sv = SvRV(sv);
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 	if (SvOBJECT(sv)) {
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 		HV *stash = (HV *) SvSTASH(sv);
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 		if (stash && Gv_AMG(stash)) {
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-			TRACEME(("ref (0x%"UVxf") is overloaded", PTR2UV(sv)));
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+			TRACEME(("ref (0x%" UVxf ") is overloaded", PTR2UV(sv)));
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 			PUTMARK(is_weak ? SX_WEAKOVERLOAD : SX_OVERLOAD);
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 		} else
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 			PUTMARK(is_weak ? SX_WEAKREF : SX_REF);
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@@ -2037,7 +2055,7 @@ static int store_scalar(pTHX_ stcxt_t *cxt, SV *sv)
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 	STRLEN len;
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 	U32 flags = SvFLAGS(sv);			/* "cc -O" may put it in register */
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-	TRACEME(("store_scalar (0x%"UVxf")", PTR2UV(sv)));
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+	TRACEME(("store_scalar (0x%" UVxf ")", PTR2UV(sv)));
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 	/*
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 	 * For efficiency, break the SV encapsulation by peaking at the flags
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@@ -2050,7 +2068,7 @@ static int store_scalar(pTHX_ stcxt_t *cxt, SV *sv)
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 			TRACEME(("immortal undef"));
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 			PUTMARK(SX_SV_UNDEF);
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 		} else {
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-			TRACEME(("undef at 0x%"UVxf, PTR2UV(sv)));
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+			TRACEME(("undef at 0x%" UVxf, PTR2UV(sv)));
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 			PUTMARK(SX_UNDEF);
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 		}
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 		return 0;
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@@ -2125,7 +2143,8 @@ static int store_scalar(pTHX_ stcxt_t *cxt, SV *sv)
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              * case. 
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              */
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             if ((flags & SVf_IVisUV) && SvUV(sv) > IV_MAX) {
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-                TRACEME(("large unsigned integer as string, value = %"UVuf, SvUV(sv)));
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+                TRACEME(("large unsigned integer as string, value = %" UVuf,
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+                        SvUV(sv)));
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                 goto string_readlen;
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             }
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 #endif
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@@ -2155,7 +2174,8 @@ static int store_scalar(pTHX_ stcxt_t *cxt, SV *sv)
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 #endif
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                     (iv > (IV)0x7FFFFFFF) || (iv < -(IV)0x80000000)) {
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                     /* Bigger than 32 bits.  */
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-                    TRACEME(("large network order integer as string, value = %"IVdf, iv));
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+                    TRACEME(("large network order integer as string, value = %"
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+                             IVdf, iv));
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                     goto string_readlen;
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                 }
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 #endif
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@@ -2170,7 +2190,8 @@ static int store_scalar(pTHX_ stcxt_t *cxt, SV *sv)
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                 WRITE(&iv, sizeof(iv));
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             }
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-            TRACEME(("ok (integer 0x%"UVxf", value = %"IVdf")", PTR2UV(sv), iv));
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+            TRACEME(("ok (integer 0x%" UVxf ", value = %" IVdf ")",
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+                     PTR2UV(sv), iv));
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 	} else if (flags & SVf_NOK) {
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             NV nv;
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 #if (PATCHLEVEL <= 6)
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@@ -2179,7 +2200,7 @@ static int store_scalar(pTHX_ stcxt_t *cxt, SV *sv)
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              * Watch for number being an integer in disguise.
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              */
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             if (nv == (NV) (iv = I_V(nv))) {
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-                TRACEME(("double %"NVff" is actually integer %"IVdf, nv, iv));
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+                TRACEME(("double %" NVff " is actually integer %" IVdf, nv, iv));
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                 goto integer;		/* Share code above */
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             }
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 #else
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@@ -2193,14 +2214,15 @@ static int store_scalar(pTHX_ stcxt_t *cxt, SV *sv)
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 #endif
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             if (cxt->netorder) {
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-                TRACEME(("double %"NVff" stored as string", nv));
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+                TRACEME(("double %" NVff " stored as string", nv));
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                 goto string_readlen;		/* Share code below */
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             }
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             PUTMARK(SX_DOUBLE);
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             WRITE(&nv, sizeof(nv));
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-            TRACEME(("ok (double 0x%"UVxf", value = %"NVff")", PTR2UV(sv), nv));
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+            TRACEME(("ok (double 0x%" UVxf ", value = %" NVff ")",
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+                     PTR2UV(sv), nv));
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 	} else if (flags & (SVp_POK | SVp_NOK | SVp_IOK)) {
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 #ifdef SvVOK
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@@ -2232,10 +2254,10 @@ static int store_scalar(pTHX_ stcxt_t *cxt, SV *sv)
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                 STORE_UTF8STR(pv, wlen);
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             else
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                 STORE_SCALAR(pv, wlen);
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-            TRACEME(("ok (scalar 0x%"UVxf" '%s', length = %"IVdf")",
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+            TRACEME(("ok (scalar 0x%" UVxf " '%s', length = %" IVdf ")",
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                      PTR2UV(sv), SvPVX(sv), (IV)len));
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 	} else
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-            CROAK(("Can't determine type of %s(0x%"UVxf")",
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+            CROAK(("Can't determine type of %s(0x%" UVxf ")",
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                    sv_reftype(sv, FALSE),
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                    PTR2UV(sv)));
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         return 0;		/* Ok, no recursion on scalars */
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@@ -2256,7 +2278,7 @@ static int store_array(pTHX_ stcxt_t *cxt, AV *av)
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 	I32 i;
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 	int ret;
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-	TRACEME(("store_array (0x%"UVxf")", PTR2UV(av)));
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+	TRACEME(("store_array (0x%" UVxf ")", PTR2UV(av)));
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 	/* 
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 	 * Signal array by emitting SX_ARRAY, followed by the array length.
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@@ -2359,10 +2381,10 @@ static int store_hash(pTHX_ stcxt_t *cxt, HV *hv)
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         if (flagged_hash) {
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             /* needs int cast for C++ compilers, doesn't it?  */
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-            TRACEME(("store_hash (0x%"UVxf") (flags %x)", PTR2UV(hv),
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+            TRACEME(("store_hash (0x%" UVxf ") (flags %x)", PTR2UV(hv),
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                      (int) hash_flags));
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         } else {
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-            TRACEME(("store_hash (0x%"UVxf")", PTR2UV(hv)));
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+            TRACEME(("store_hash (0x%" UVxf ")", PTR2UV(hv)));
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         }
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 	/* 
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@@ -2475,7 +2497,7 @@ static int store_hash(pTHX_ stcxt_t *cxt, HV *hv)
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 			 * Store value first.
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 			 */
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-			TRACEME(("(#%d) value 0x%"UVxf, i, PTR2UV(val)));
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+			TRACEME(("(#%d) value 0x%" UVxf, i, PTR2UV(val)));
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 			if ((ret = store(aTHX_ cxt, val)))	/* Extra () for -Wall, grr... */
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 				goto out;
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@@ -2595,7 +2617,7 @@ static int store_hash(pTHX_ stcxt_t *cxt, HV *hv)
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 			 * Store value first.
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 			 */
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-			TRACEME(("(#%d) value 0x%"UVxf, i, PTR2UV(val)));
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+			TRACEME(("(#%d) value 0x%" UVxf, i, PTR2UV(val)));
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 			if ((ret = store(aTHX_ cxt, val)))	/* Extra () for -Wall, grr... */
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 				goto out;
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@@ -2644,7 +2666,9 @@ static int store_hash(pTHX_ stcxt_t *cxt, HV *hv)
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                             TRACEME(("(#%d) key '%s'", i, key));
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                         }
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                         if (flags & SHV_K_ISSV) {
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-                            store(aTHX_ cxt, key_sv);
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+                            int ret;
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+                            if ((ret = store(aTHX_ cxt, key_sv)))
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+                                goto out;
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                         } else {
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                             WLEN(len);
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                             if (len)
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@@ -2653,7 +2677,7 @@ static int store_hash(pTHX_ stcxt_t *cxt, HV *hv)
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 		}
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     }
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-	TRACEME(("ok (hash 0x%"UVxf")", PTR2UV(hv)));
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+	TRACEME(("ok (hash 0x%" UVxf ")", PTR2UV(hv)));
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 out:
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 	HvRITER_set(hv, riter);		/* Restore hash iterator state */
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@@ -2683,7 +2707,7 @@ static int store_code(pTHX_ stcxt_t *cxt, CV *cv)
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 	int count, reallen;
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 	SV *text, *bdeparse;
1c0695
 
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-	TRACEME(("store_code (0x%"UVxf")", PTR2UV(cv)));
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+	TRACEME(("store_code (0x%" UVxf ")", PTR2UV(cv)));
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 	if (
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 		cxt->deparse == 0 ||
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@@ -2786,7 +2810,7 @@ static int store_tied(pTHX_ stcxt_t *cxt, SV *sv)
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 	int svt = SvTYPE(sv);
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 	char mtype = 'P';
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-	TRACEME(("store_tied (0x%"UVxf")", PTR2UV(sv)));
1c0695
+	TRACEME(("store_tied (0x%" UVxf ")", PTR2UV(sv)));
1c0695
 
1c0695
 	/*
1c0695
 	 * We have a small run-time penalty here because we chose to factorise
1c0695
@@ -2854,7 +2878,7 @@ static int store_tied_item(pTHX_ stcxt_t *cxt, SV *sv)
1c0695
 	MAGIC *mg;
1c0695
 	int ret;
1c0695
 
1c0695
-	TRACEME(("store_tied_item (0x%"UVxf")", PTR2UV(sv)));
1c0695
+	TRACEME(("store_tied_item (0x%" UVxf ")", PTR2UV(sv)));
1c0695
 
1c0695
 	if (!(mg = mg_find(sv, 'p')))
1c0695
 		CROAK(("No magic 'p' found while storing reference to tied item"));
1c0695
@@ -2866,12 +2890,14 @@ static int store_tied_item(pTHX_ stcxt_t *cxt, SV *sv)
1c0695
 	if (mg->mg_ptr) {
1c0695
 		TRACEME(("store_tied_item: storing a ref to a tied hash item"));
1c0695
 		PUTMARK(SX_TIED_KEY);
1c0695
-		TRACEME(("store_tied_item: storing OBJ 0x%"UVxf, PTR2UV(mg->mg_obj)));
1c0695
+		TRACEME(("store_tied_item: storing OBJ 0x%" UVxf,
1c0695
+                         PTR2UV(mg->mg_obj)));
1c0695
 
1c0695
 		if ((ret = store(aTHX_ cxt, mg->mg_obj)))		/* Extra () for -Wall, grr... */
1c0695
 			return ret;
1c0695
 
1c0695
-		TRACEME(("store_tied_item: storing PTR 0x%"UVxf, PTR2UV(mg->mg_ptr)));
1c0695
+		TRACEME(("store_tied_item: storing PTR 0x%" UVxf,
1c0695
+                         PTR2UV(mg->mg_ptr)));
1c0695
 
1c0695
 		if ((ret = store(aTHX_ cxt, (SV *) mg->mg_ptr)))	/* Idem, for -Wall */
1c0695
 			return ret;
1c0695
@@ -2880,7 +2906,8 @@ static int store_tied_item(pTHX_ stcxt_t *cxt, SV *sv)
1c0695
 
1c0695
 		TRACEME(("store_tied_item: storing a ref to a tied array item "));
1c0695
 		PUTMARK(SX_TIED_IDX);
1c0695
-		TRACEME(("store_tied_item: storing OBJ 0x%"UVxf, PTR2UV(mg->mg_obj)));
1c0695
+		TRACEME(("store_tied_item: storing OBJ 0x%" UVxf,
1c0695
+                         PTR2UV(mg->mg_obj)));
1c0695
 
1c0695
 		if ((ret = store(aTHX_ cxt, mg->mg_obj)))		/* Idem, for -Wall */
1c0695
 			return ret;
1c0695
@@ -3136,7 +3163,8 @@ static int store_hook(
1c0695
 			goto sv_seen;		/* Avoid moving code too far to the right */
1c0695
 #endif
1c0695
 
1c0695
-		TRACEME(("listed object %d at 0x%"UVxf" is unknown", i-1, PTR2UV(xsv)));
1c0695
+		TRACEME(("listed object %d at 0x%" UVxf " is unknown",
1c0695
+                         i-1, PTR2UV(xsv)));
1c0695
 
1c0695
 		/*
1c0695
 		 * We need to recurse to store that object and get it to be known
1c0695
@@ -3205,7 +3233,7 @@ static int store_hook(
1c0695
 		tag = *svh;
1c0695
 #endif
1c0695
 		ary[i] = tag;
1c0695
-		TRACEME(("listed object %d at 0x%"UVxf" is tag #%"UVuf,
1c0695
+		TRACEME(("listed object %d at 0x%" UVxf " is tag #%" UVuf,
1c0695
 			 i-1, PTR2UV(xsv), PTR2UV(tag)));
1c0695
 	}
1c0695
 
1c0695
@@ -3252,7 +3280,7 @@ check_done:
1c0695
 	 */
1c0695
 
1c0695
 	TRACEME(("SX_HOOK (recursed=%d) flags=0x%x "
1c0695
-			"class=%"IVdf" len=%"IVdf" len2=%"IVdf" len3=%d",
1c0695
+			"class=%" IVdf " len=%" IVdf " len2=%" IVdf " len3=%d",
1c0695
 		 recursed, flags, (IV)classnum, (IV)len, (IV)len2, count-1));
1c0695
 
1c0695
 	/* SX_HOOK <flags> [<extra>] */
1c0695
@@ -3339,8 +3367,8 @@ check_done:
1c0695
 					(svt == SVt_PVAV) ? "array" : "scalar"));
1c0695
 		}
1c0695
 
1c0695
-		TRACEME(("handling the magic object 0x%"UVxf" part of 0x%"UVxf,
1c0695
-			PTR2UV(mg->mg_obj), PTR2UV(sv)));
1c0695
+		TRACEME(("handling the magic object 0x%" UVxf " part of 0x%"
1c0695
+                         UVxf, PTR2UV(mg->mg_obj), PTR2UV(sv)));
1c0695
 
1c0695
 		/*
1c0695
 		 * [<magic object>]
1c0695
@@ -3407,7 +3435,7 @@ static int store_blessed(
1c0695
 	classname = HvNAME_get(pkg);
1c0695
 	len = strlen(classname);
1c0695
 
1c0695
-	TRACEME(("blessed 0x%"UVxf" in %s, no hook: tagged #%d",
1c0695
+	TRACEME(("blessed 0x%" UVxf " in %s, no hook: tagged #%d",
1c0695
 		 PTR2UV(sv), classname, cxt->tagnum));
1c0695
 
1c0695
 	/*
1c0695
@@ -3477,19 +3505,19 @@ static int store_other(pTHX_ stcxt_t *cxt, SV *sv)
1c0695
 	)
1c0695
 		CROAK(("Can't store %s items", sv_reftype(sv, FALSE)));
1c0695
 
1c0695
-	warn("Can't store item %s(0x%"UVxf")",
1c0695
+	warn("Can't store item %s(0x%" UVxf ")",
1c0695
 		sv_reftype(sv, FALSE), PTR2UV(sv));
1c0695
 
1c0695
 	/*
1c0695
 	 * Store placeholder string as a scalar instead...
1c0695
 	 */
1c0695
 
1c0695
-	(void) sprintf(buf, "You lost %s(0x%"UVxf")%c", sv_reftype(sv, FALSE),
1c0695
+	(void) sprintf(buf, "You lost %s(0x%" UVxf ")%c", sv_reftype(sv, FALSE),
1c0695
 		       PTR2UV(sv), (char) 0);
1c0695
 
1c0695
 	len = strlen(buf);
1c0695
 	STORE_SCALAR(buf, len);
1c0695
-	TRACEME(("ok (dummy \"%s\", length = %"IVdf")", buf, (IV) len));
1c0695
+	TRACEME(("ok (dummy \"%s\", length = %" IVdf ")", buf, (IV) len));
1c0695
 
1c0695
 	return 0;
1c0695
 }
1c0695
@@ -3592,7 +3620,7 @@ static int store(pTHX_ stcxt_t *cxt, SV *sv)
1c0695
 	HV *hseen = cxt->hseen;
1c0695
 #endif
1c0695
 
1c0695
-	TRACEME(("store (0x%"UVxf")", PTR2UV(sv)));
1c0695
+	TRACEME(("store (0x%" UVxf ")", PTR2UV(sv)));
1c0695
 
1c0695
 	/*
1c0695
 	 * If object has already been stored, do not duplicate data.
1c0695
@@ -3650,7 +3678,8 @@ static int store(pTHX_ stcxt_t *cxt, SV *sv)
1c0695
 		tagval = htonl(LOW_32BITS(*svh));
1c0695
 #endif
1c0695
 
1c0695
-		TRACEME(("object 0x%"UVxf" seen as #%d", PTR2UV(sv), ntohl(tagval)));
1c0695
+		TRACEME(("object 0x%" UVxf " seen as #%d",
1c0695
+                         PTR2UV(sv), ntohl(tagval)));
1c0695
 
1c0695
 		PUTMARK(SX_OBJECT);
1c0695
 		WRITE_I32(tagval);
1c0695
@@ -3685,7 +3714,7 @@ static int store(pTHX_ stcxt_t *cxt, SV *sv)
1c0695
 	type = sv_type(aTHX_ sv);
1c0695
 
1c0695
 undef_special_case:
1c0695
-	TRACEME(("storing 0x%"UVxf" tag #%d, type %d...",
1c0695
+	TRACEME(("storing 0x%" UVxf " tag #%d, type %d...",
1c0695
 		 PTR2UV(sv), cxt->tagnum, type));
1c0695
 
1c0695
 	if (SvOBJECT(sv)) {
1c0695
@@ -3694,7 +3723,7 @@ undef_special_case:
1c0695
 	} else
1c0695
 		ret = SV_STORE(type)(aTHX_ cxt, sv);
1c0695
 
1c0695
-	TRACEME(("%s (stored 0x%"UVxf", refcnt=%d, %s)",
1c0695
+	TRACEME(("%s (stored 0x%" UVxf ", refcnt=%d, %s)",
1c0695
 		ret ? "FAILED" : "ok", PTR2UV(sv),
1c0695
 		SvREFCNT(sv), sv_reftype(sv, FALSE)));
1c0695
 
1c0695
@@ -3707,7 +3736,7 @@ undef_special_case:
1c0695
  * Write magic number and system information into the file.
1c0695
  * Layout is <magic> <network> [<len> <byteorder> <sizeof int> <sizeof long>
1c0695
  * <sizeof ptr>] where <len> is the length of the byteorder hexa string.
1c0695
- * All size and lenghts are written as single characters here.
1c0695
+ * All size and lengths are written as single characters here.
1c0695
  *
1c0695
  * Note that no byte ordering info is emitted when <network> is true, since
1c0695
  * integers will be emitted in network order in that case.
1c0695
@@ -3832,6 +3861,7 @@ static int do_store(
1c0695
 	 * free up memory for them now.
1c0695
 	 */
1c0695
 
1c0695
+	assert(cxt);
1c0695
 	if (cxt->s_dirty)
1c0695
 		clean_context(aTHX_ cxt);
1c0695
 
1c0695
@@ -3933,6 +3963,7 @@ static SV *mbuf2sv(pTHX)
1c0695
 {
1c0695
 	dSTCXT;
1c0695
 
1c0695
+	assert(cxt);
1c0695
 	return newSVpv(mbase, MBUF_SIZE());
1c0695
 }
1c0695
 
1c0695
@@ -3993,7 +4024,8 @@ static SV *retrieve_idx_blessed(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 
1c0695
 	sva = av_fetch(cxt->aclass, idx, FALSE);
1c0695
 	if (!sva)
1c0695
-		CROAK(("Class name #%"IVdf" should have been seen already", (IV) idx));
1c0695
+		CROAK(("Class name #%" IVdf " should have been seen already",
1c0695
+                       (IV) idx));
1c0695
 
1c0695
 	classname = SvPVX(*sva);	/* We know it's a PV, by construction */
1c0695
 
1c0695
@@ -4016,7 +4048,7 @@ static SV *retrieve_idx_blessed(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
  */
1c0695
 static SV *retrieve_blessed(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 {
1c0695
-	I32 len;
1c0695
+	U32 len;
1c0695
 	SV *sv;
1c0695
 	char buf[LG_BLESS + 1];		/* Avoid malloc() if possible */
1c0695
 	char *classname = buf;
1c0695
@@ -4037,6 +4069,9 @@ static SV *retrieve_blessed(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 	if (len & 0x80) {
1c0695
 		RLEN(len);
1c0695
 		TRACEME(("** allocating %d bytes for class name", len+1));
1c0695
+		if (len > I32_MAX) {
1c0695
+			CROAK(("Corrupted classname length"));
1c0695
+		}
1c0695
 		New(10003, classname, len+1, char);
1c0695
 		malloced_classname = classname;
1c0695
 	}
1c0695
@@ -4087,7 +4122,7 @@ static SV *retrieve_blessed(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
  */
1c0695
 static SV *retrieve_hook(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 {
1c0695
-	I32 len;
1c0695
+	U32 len;
1c0695
 	char buf[LG_BLESS + 1];		/* Avoid malloc() if possible */
1c0695
 	char *classname = buf;
1c0695
 	unsigned int flags;
1c0695
@@ -4160,7 +4195,7 @@ static SV *retrieve_hook(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 	default:
1c0695
 		return retrieve_other(aTHX_ cxt, 0);		/* Let it croak */
1c0695
 	}
1c0695
-	SEEN0(sv, 0);							/* Don't bless yet */
1c0695
+	SEEN0_NN(sv, 0);							/* Don't bless yet */
1c0695
 
1c0695
 	/*
1c0695
 	 * Whilst flags tell us to recurse, do so.
1c0695
@@ -4180,7 +4215,7 @@ static SV *retrieve_hook(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 		if (!rv)
1c0695
 			return (SV *) 0;
1c0695
 		SvREFCNT_dec(rv);
1c0695
-		TRACEME(("retrieve_hook back with rv=0x%"UVxf,
1c0695
+		TRACEME(("retrieve_hook back with rv=0x%" UVxf,
1c0695
 			 PTR2UV(rv)));
1c0695
 		GETMARK(flags);
1c0695
 	}
1c0695
@@ -4200,8 +4235,8 @@ static SV *retrieve_hook(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 
1c0695
 		sva = av_fetch(cxt->aclass, idx, FALSE);
1c0695
 		if (!sva)
1c0695
-			CROAK(("Class name #%"IVdf" should have been seen already",
1c0695
-				(IV) idx));
1c0695
+			CROAK(("Class name #%" IVdf
1c0695
+                               " should have been seen already", (IV) idx));
1c0695
 
1c0695
 		classname = SvPVX(*sva);	/* We know it's a PV, by construction */
1c0695
 		TRACEME(("class ID %d => %s", idx, classname));
1c0695
@@ -4221,6 +4256,10 @@ static SV *retrieve_hook(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 		else
1c0695
 			GETMARK(len);
1c0695
 
1c0695
+		if (len > I32_MAX) {
1c0695
+			CROAK(("Corrupted classname length"));
1c0695
+		}
1c0695
+
1c0695
 		if (len > LG_BLESS) {
1c0695
 			TRACEME(("** allocating %d bytes for class name", len+1));
1c0695
 			New(10003, classname, len+1, char);
1c0695
@@ -4242,6 +4281,11 @@ static SV *retrieve_hook(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 
1c0695
 	TRACEME(("class name: %s", classname));
1c0695
 
1c0695
+	if (!(flags & SHF_IDX_CLASSNAME) && classname != buf) {
1c0695
+                /* some execution paths can throw an exception */
1c0695
+		SAVEFREEPV(classname);
1c0695
+        }
1c0695
+
1c0695
 	/*
1c0695
 	 * Decode user-frozen string length and read it in an SV.
1c0695
 	 *
1c0695
@@ -4312,8 +4356,9 @@ static SV *retrieve_hook(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 					xsv = &PL_sv_undef;
1c0695
 					svh = &xsv;
1c0695
 				} else {
1c0695
-					CROAK(("Object #%"IVdf" should have been retrieved already",
1c0695
-					       (IV) tag));
1c0695
+					CROAK(("Object #%" IVdf
1c0695
+                                        " should have been retrieved already",
1c0695
+                                        (IV) tag));
1c0695
 				}
1c0695
 			}
1c0695
 			xsv = *svh;
1c0695
@@ -4357,11 +4402,9 @@ static SV *retrieve_hook(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 		SvREFCNT_dec(sv);
1c0695
 		/* we need to free RV but preserve value that RV point to */
1c0695
 		sv = SvRV(attached);
1c0695
-		SEEN0(sv, 0);
1c0695
+		SEEN0_NN(sv, 0);
1c0695
 		SvRV_set(attached, NULL);
1c0695
 		SvREFCNT_dec(attached);
1c0695
-		if (!(flags & SHF_IDX_CLASSNAME) && classname != buf)
1c0695
-		    Safefree(classname);
1c0695
 		return sv;
1c0695
 	    }
1c0695
 	    CROAK(("STORABLE_attach did not return a %s object", classname));
1c0695
@@ -4428,7 +4471,7 @@ static SV *retrieve_hook(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 	 * the object itself being already created by the runtime.
1c0695
 	 */
1c0695
 
1c0695
-	TRACEME(("calling STORABLE_thaw on %s at 0x%"UVxf" (%"IVdf" args)",
1c0695
+	TRACEME(("calling STORABLE_thaw on %s at 0x%" UVxf " (%" IVdf " args)",
1c0695
 		 classname, PTR2UV(sv), (IV) AvFILLp(av) + 1));
1c0695
 
1c0695
 	rv = newRV(sv);
1c0695
@@ -4442,8 +4485,6 @@ static SV *retrieve_hook(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 	SvREFCNT_dec(frozen);
1c0695
 	av_undef(av);
1c0695
 	sv_free((SV *) av);
1c0695
-	if (!(flags & SHF_IDX_CLASSNAME) && classname != buf)
1c0695
-		Safefree(classname);
1c0695
 
1c0695
 	/*
1c0695
 	 * If we had an <extra> type, then the object was not as simple, and
1c0695
@@ -4453,11 +4494,11 @@ static SV *retrieve_hook(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 	if (!extra_type)
1c0695
 		return sv;
1c0695
 
1c0695
-	TRACEME(("retrieving magic object for 0x%"UVxf"...", PTR2UV(sv)));
1c0695
+	TRACEME(("retrieving magic object for 0x%" UVxf "...", PTR2UV(sv)));
1c0695
 
1c0695
 	rv = retrieve(aTHX_ cxt, 0);		/* Retrieve <magic object> */
1c0695
 
1c0695
-	TRACEME(("restoring the magic object 0x%"UVxf" part of 0x%"UVxf,
1c0695
+	TRACEME(("restoring the magic object 0x%" UVxf " part of 0x%" UVxf,
1c0695
 		PTR2UV(rv), PTR2UV(sv)));
1c0695
 
1c0695
 	switch (extra_type) {
1c0695
@@ -4532,7 +4573,7 @@ static SV *retrieve_ref(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 		stash = gv_stashpv(cname, GV_ADD);
1c0695
 	else
1c0695
 		stash = 0;
1c0695
-	SEEN(rv, stash, 0);				/* Will return if rv is null */
1c0695
+	SEEN_NN(rv, stash, 0);				/* Will return if rv is null */
1c0695
 	sv = retrieve(aTHX_ cxt, 0);	/* Retrieve <object> */
1c0695
 	if (!sv)
1c0695
 		return (SV *) 0;	/* Failed */
1c0695
@@ -4564,7 +4605,7 @@ static SV *retrieve_ref(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 	SvRV_set(rv, sv);				/* $rv = \$sv */
1c0695
 	SvROK_on(rv);
1c0695
 
1c0695
-	TRACEME(("ok (retrieve_ref at 0x%"UVxf")", PTR2UV(rv)));
1c0695
+	TRACEME(("ok (retrieve_ref at 0x%" UVxf ")", PTR2UV(rv)));
1c0695
 
1c0695
 	return rv;
1c0695
 }
1c0695
@@ -4612,7 +4653,7 @@ static SV *retrieve_overloaded(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 
1c0695
 	rv = NEWSV(10002, 0);
1c0695
 	stash = cname ? gv_stashpv(cname, GV_ADD) : 0;
1c0695
-	SEEN(rv, stash, 0);		/* Will return if rv is null */
1c0695
+	SEEN_NN(rv, stash, 0);		/* Will return if rv is null */
1c0695
 	cxt->in_retrieve_overloaded = 1; /* so sv_bless doesn't call S_reset_amagic */
1c0695
 	sv = retrieve(aTHX_ cxt, 0);	/* Retrieve <object> */
1c0695
 	cxt->in_retrieve_overloaded = 0;
1c0695
@@ -4633,7 +4674,7 @@ static SV *retrieve_overloaded(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 
1c0695
 	stash = SvTYPE(sv) ? (HV *) SvSTASH (sv) : 0;
1c0695
 	if (!stash) {
1c0695
-		CROAK(("Cannot restore overloading on %s(0x%"UVxf
1c0695
+		CROAK(("Cannot restore overloading on %s(0x%" UVxf
1c0695
 		       ") (package <unknown>)",
1c0695
 		       sv_reftype(sv, FALSE),
1c0695
 		       PTR2UV(sv)));
1c0695
@@ -4644,7 +4685,7 @@ static SV *retrieve_overloaded(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 		TRACEME(("Going to load module '%s'", package));
1c0695
 		load_module(PERL_LOADMOD_NOIMPORT, newSVpv(package, 0), Nullsv);
1c0695
 		if (!Gv_AMG(stash)) {
1c0695
-			CROAK(("Cannot restore overloading on %s(0x%"UVxf
1c0695
+			CROAK(("Cannot restore overloading on %s(0x%" UVxf
1c0695
 			       ") (package %s) (even after a \"require %s;\")",
1c0695
 			       sv_reftype(sv, FALSE),
1c0695
 			       PTR2UV(sv),
1c0695
@@ -4654,7 +4695,7 @@ static SV *retrieve_overloaded(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 
1c0695
 	SvAMAGIC_on(rv);
1c0695
 
1c0695
-	TRACEME(("ok (retrieve_overloaded at 0x%"UVxf")", PTR2UV(rv)));
1c0695
+	TRACEME(("ok (retrieve_overloaded at 0x%" UVxf ")", PTR2UV(rv)));
1c0695
 
1c0695
 	return rv;
1c0695
 }
1c0695
@@ -4698,7 +4739,7 @@ static SV *retrieve_tied_array(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 
1c0695
 	tv = NEWSV(10002, 0);
1c0695
 	stash = cname ? gv_stashpv(cname, GV_ADD) : 0;
1c0695
-	SEEN(tv, stash, 0);			/* Will return if tv is null */
1c0695
+	SEEN_NN(tv, stash, 0);			/* Will return if tv is null */
1c0695
 	sv = retrieve(aTHX_ cxt, 0);		/* Retrieve <object> */
1c0695
 	if (!sv)
1c0695
 		return (SV *) 0;		/* Failed */
1c0695
@@ -4708,7 +4749,7 @@ static SV *retrieve_tied_array(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 	sv_magic(tv, sv, 'P', (char *)NULL, 0);
1c0695
 	SvREFCNT_dec(sv);			/* Undo refcnt inc from sv_magic() */
1c0695
 
1c0695
-	TRACEME(("ok (retrieve_tied_array at 0x%"UVxf")", PTR2UV(tv)));
1c0695
+	TRACEME(("ok (retrieve_tied_array at 0x%" UVxf ")", PTR2UV(tv)));
1c0695
 
1c0695
 	return tv;
1c0695
 }
1c0695
@@ -4729,7 +4770,7 @@ static SV *retrieve_tied_hash(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 
1c0695
 	tv = NEWSV(10002, 0);
1c0695
 	stash = cname ? gv_stashpv(cname, GV_ADD) : 0;
1c0695
-	SEEN(tv, stash, 0);			/* Will return if tv is null */
1c0695
+	SEEN_NN(tv, stash, 0);			/* Will return if tv is null */
1c0695
 	sv = retrieve(aTHX_ cxt, 0);		/* Retrieve <object> */
1c0695
 	if (!sv)
1c0695
 		return (SV *) 0;		/* Failed */
1c0695
@@ -4738,7 +4779,7 @@ static SV *retrieve_tied_hash(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 	sv_magic(tv, sv, 'P', (char *)NULL, 0);
1c0695
 	SvREFCNT_dec(sv);			/* Undo refcnt inc from sv_magic() */
1c0695
 
1c0695
-	TRACEME(("ok (retrieve_tied_hash at 0x%"UVxf")", PTR2UV(tv)));
1c0695
+	TRACEME(("ok (retrieve_tied_hash at 0x%" UVxf ")", PTR2UV(tv)));
1c0695
 
1c0695
 	return tv;
1c0695
 }
1c0695
@@ -4759,7 +4800,7 @@ static SV *retrieve_tied_scalar(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 
1c0695
 	tv = NEWSV(10002, 0);
1c0695
 	stash = cname ? gv_stashpv(cname, GV_ADD) : 0;
1c0695
-	SEEN(tv, stash, 0);			/* Will return if rv is null */
1c0695
+	SEEN_NN(tv, stash, 0);			/* Will return if rv is null */
1c0695
 	sv = retrieve(aTHX_ cxt, 0);		/* Retrieve <object> */
1c0695
 	if (!sv) {
1c0695
 		return (SV *) 0;		/* Failed */
1c0695
@@ -4776,7 +4817,7 @@ static SV *retrieve_tied_scalar(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 		SvREFCNT_dec(obj);
1c0695
 	}
1c0695
 
1c0695
-	TRACEME(("ok (retrieve_tied_scalar at 0x%"UVxf")", PTR2UV(tv)));
1c0695
+	TRACEME(("ok (retrieve_tied_scalar at 0x%" UVxf ")", PTR2UV(tv)));
1c0695
 
1c0695
 	return tv;
1c0695
 }
1c0695
@@ -4798,7 +4839,7 @@ static SV *retrieve_tied_key(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 
1c0695
 	tv = NEWSV(10002, 0);
1c0695
 	stash = cname ? gv_stashpv(cname, GV_ADD) : 0;
1c0695
-	SEEN(tv, stash, 0);			/* Will return if tv is null */
1c0695
+	SEEN_NN(tv, stash, 0);			/* Will return if tv is null */
1c0695
 	sv = retrieve(aTHX_ cxt, 0);		/* Retrieve <object> */
1c0695
 	if (!sv)
1c0695
 		return (SV *) 0;		/* Failed */
1c0695
@@ -4832,7 +4873,7 @@ static SV *retrieve_tied_idx(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 
1c0695
 	tv = NEWSV(10002, 0);
1c0695
 	stash = cname ? gv_stashpv(cname, GV_ADD) : 0;
1c0695
-	SEEN(tv, stash, 0);			/* Will return if tv is null */
1c0695
+	SEEN_NN(tv, stash, 0);			/* Will return if tv is null */
1c0695
 	sv = retrieve(aTHX_ cxt, 0);		/* Retrieve <object> */
1c0695
 	if (!sv)
1c0695
 		return (SV *) 0;		/* Failed */
1c0695
@@ -4863,7 +4904,7 @@ static SV *retrieve_lscalar(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 	HV *stash;
1c0695
 
1c0695
 	RLEN(len);
1c0695
-	TRACEME(("retrieve_lscalar (#%d), len = %"IVdf, cxt->tagnum, (IV) len));
1c0695
+	TRACEME(("retrieve_lscalar (#%d), len = %" IVdf, cxt->tagnum, (IV) len));
1c0695
 
1c0695
 	/*
1c0695
 	 * Allocate an empty scalar of the suitable length.
1c0695
@@ -4871,10 +4912,10 @@ static SV *retrieve_lscalar(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 
1c0695
 	sv = NEWSV(10002, len);
1c0695
 	stash = cname ? gv_stashpv(cname, GV_ADD) : 0;
1c0695
-	SEEN(sv, stash, 0);	/* Associate this new scalar with tag "tagnum" */
1c0695
+	SEEN_NN(sv, stash, 0);	/* Associate this new scalar with tag "tagnum" */
1c0695
 
1c0695
 	if (len ==  0) {
1c0695
-	    sv_setpvn(sv, "", 0);
1c0695
+	    SvPVCLEAR(sv);
1c0695
 	    return sv;
1c0695
 	}
1c0695
 
1c0695
@@ -4894,8 +4935,8 @@ static SV *retrieve_lscalar(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 	if (cxt->s_tainted)				/* Is input source tainted? */
1c0695
 		SvTAINT(sv);				/* External data cannot be trusted */
1c0695
 
1c0695
-	TRACEME(("large scalar len %"IVdf" '%s'", (IV) len, SvPVX(sv)));
1c0695
-	TRACEME(("ok (retrieve_lscalar at 0x%"UVxf")", PTR2UV(sv)));
1c0695
+	TRACEME(("large scalar len %" IVdf " '%s'", (IV) len, SvPVX(sv)));
1c0695
+	TRACEME(("ok (retrieve_lscalar at 0x%" UVxf ")", PTR2UV(sv)));
1c0695
 
1c0695
 	return sv;
1c0695
 }
1c0695
@@ -4924,7 +4965,7 @@ static SV *retrieve_scalar(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 
1c0695
 	sv = NEWSV(10002, len);
1c0695
 	stash = cname ? gv_stashpv(cname, GV_ADD) : 0;
1c0695
-	SEEN(sv, stash, 0);	/* Associate this new scalar with tag "tagnum" */
1c0695
+	SEEN_NN(sv, stash, 0);	/* Associate this new scalar with tag "tagnum" */
1c0695
 
1c0695
 	/*
1c0695
 	 * WARNING: duplicates parts of sv_setpv and breaks SV data encapsulation.
1c0695
@@ -4942,7 +4983,7 @@ static SV *retrieve_scalar(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 		}
1c0695
 		SvGROW(sv, 1);
1c0695
 		*SvEND(sv) = '\0';			/* Ensure it's null terminated anyway */
1c0695
-		TRACEME(("ok (retrieve_scalar empty at 0x%"UVxf")", PTR2UV(sv)));
1c0695
+		TRACEME(("ok (retrieve_scalar empty at 0x%" UVxf ")", PTR2UV(sv)));
1c0695
 	} else {
1c0695
 		/*
1c0695
 		 * Now, for efficiency reasons, read data directly inside the SV buffer,
1c0695
@@ -4960,7 +5001,7 @@ static SV *retrieve_scalar(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 	if (cxt->s_tainted)				/* Is input source tainted? */
1c0695
 		SvTAINT(sv);				/* External data cannot be trusted */
1c0695
 
1c0695
-	TRACEME(("ok (retrieve_scalar at 0x%"UVxf")", PTR2UV(sv)));
1c0695
+	TRACEME(("ok (retrieve_scalar at 0x%" UVxf ")", PTR2UV(sv)));
1c0695
 	return sv;
1c0695
 }
1c0695
 
1c0695
@@ -5049,7 +5090,7 @@ static SV *retrieve_vstring(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 	/* 5.10.0 and earlier seem to need this */
1c0695
 	SvRMAGICAL_on(sv);
1c0695
 
1c0695
-	TRACEME(("ok (retrieve_vstring at 0x%"UVxf")", PTR2UV(sv)));
1c0695
+	TRACEME(("ok (retrieve_vstring at 0x%" UVxf ")", PTR2UV(sv)));
1c0695
 	return sv;
1c0695
 #else
1c0695
 	VSTRING_CROAK();
1c0695
@@ -5070,7 +5111,7 @@ static SV *retrieve_lvstring(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 	SV *sv;
1c0695
 
1c0695
 	RLEN(len);
1c0695
-	TRACEME(("retrieve_lvstring (#%d), len = %"IVdf,
1c0695
+	TRACEME(("retrieve_lvstring (#%d), len = %" IVdf,
1c0695
 		  cxt->tagnum, (IV)len));
1c0695
 
1c0695
 	New(10003, s, len+1, char);
1c0695
@@ -5084,7 +5125,7 @@ static SV *retrieve_lvstring(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 
1c0695
 	Safefree(s);
1c0695
 
1c0695
-	TRACEME(("ok (retrieve_lvstring at 0x%"UVxf")", PTR2UV(sv)));
1c0695
+	TRACEME(("ok (retrieve_lvstring at 0x%" UVxf ")", PTR2UV(sv)));
1c0695
 	return sv;
1c0695
 #else
1c0695
 	VSTRING_CROAK();
1c0695
@@ -5109,10 +5150,10 @@ static SV *retrieve_integer(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 	READ(&iv, sizeof(iv));
1c0695
 	sv = newSViv(iv);
1c0695
 	stash = cname ? gv_stashpv(cname, GV_ADD) : 0;
1c0695
-	SEEN(sv, stash, 0);	/* Associate this new scalar with tag "tagnum" */
1c0695
+	SEEN_NN(sv, stash, 0);	/* Associate this new scalar with tag "tagnum" */
1c0695
 
1c0695
-	TRACEME(("integer %"IVdf, iv));
1c0695
-	TRACEME(("ok (retrieve_integer at 0x%"UVxf")", PTR2UV(sv)));
1c0695
+	TRACEME(("integer %" IVdf, iv));
1c0695
+	TRACEME(("ok (retrieve_integer at 0x%" UVxf ")", PTR2UV(sv)));
1c0695
 
1c0695
 	return sv;
1c0695
 }
1c0695
@@ -5140,9 +5181,9 @@ static SV *retrieve_netint(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 	TRACEME(("network integer (as-is) %d", iv));
1c0695
 #endif
1c0695
 	stash = cname ? gv_stashpv(cname, GV_ADD) : 0;
1c0695
-	SEEN(sv, stash, 0);	/* Associate this new scalar with tag "tagnum" */
1c0695
+	SEEN_NN(sv, stash, 0);	/* Associate this new scalar with tag "tagnum" */
1c0695
 
1c0695
-	TRACEME(("ok (retrieve_netint at 0x%"UVxf")", PTR2UV(sv)));
1c0695
+	TRACEME(("ok (retrieve_netint at 0x%" UVxf ")", PTR2UV(sv)));
1c0695
 
1c0695
 	return sv;
1c0695
 }
1c0695
@@ -5164,10 +5205,10 @@ static SV *retrieve_double(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 	READ(&nv, sizeof(nv));
1c0695
 	sv = newSVnv(nv);
1c0695
 	stash = cname ? gv_stashpv(cname, GV_ADD) : 0;
1c0695
-	SEEN(sv, stash, 0);	/* Associate this new scalar with tag "tagnum" */
1c0695
+	SEEN_NN(sv, stash, 0);	/* Associate this new scalar with tag "tagnum" */
1c0695
 
1c0695
-	TRACEME(("double %"NVff, nv));
1c0695
-	TRACEME(("ok (retrieve_double at 0x%"UVxf")", PTR2UV(sv)));
1c0695
+	TRACEME(("double %" NVff, nv));
1c0695
+	TRACEME(("ok (retrieve_double at 0x%" UVxf ")", PTR2UV(sv)));
1c0695
 
1c0695
 	return sv;
1c0695
 }
1c0695
@@ -5192,10 +5233,10 @@ static SV *retrieve_byte(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 	tmp = (unsigned char) siv - 128;
1c0695
 	sv = newSViv(tmp);
1c0695
 	stash = cname ? gv_stashpv(cname, GV_ADD) : 0;
1c0695
-	SEEN(sv, stash, 0);	/* Associate this new scalar with tag "tagnum" */
1c0695
+	SEEN_NN(sv, stash, 0);	/* Associate this new scalar with tag "tagnum" */
1c0695
 
1c0695
 	TRACEME(("byte %d", tmp));
1c0695
-	TRACEME(("ok (retrieve_byte at 0x%"UVxf")", PTR2UV(sv)));
1c0695
+	TRACEME(("ok (retrieve_byte at 0x%" UVxf ")", PTR2UV(sv)));
1c0695
 
1c0695
 	return sv;
1c0695
 }
1c0695
@@ -5214,7 +5255,7 @@ static SV *retrieve_undef(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 
1c0695
 	sv = newSV(0);
1c0695
 	stash = cname ? gv_stashpv(cname, GV_ADD) : 0;
1c0695
-	SEEN(sv, stash, 0);
1c0695
+	SEEN_NN(sv, stash, 0);
1c0695
 
1c0695
 	return sv;
1c0695
 }
1c0695
@@ -5238,7 +5279,7 @@ static SV *retrieve_sv_undef(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 		cxt->where_is_undef = cxt->tagnum;
1c0695
 	}
1c0695
 	stash = cname ? gv_stashpv(cname, GV_ADD) : 0;
1c0695
-	SEEN(sv, stash, 1);
1c0695
+	SEEN_NN(sv, stash, 1);
1c0695
 	return sv;
1c0695
 }
1c0695
 
1c0695
@@ -5255,7 +5296,7 @@ static SV *retrieve_sv_yes(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 	TRACEME(("retrieve_sv_yes"));
1c0695
 
1c0695
 	stash = cname ? gv_stashpv(cname, GV_ADD) : 0;
1c0695
-	SEEN(sv, stash, 1);
1c0695
+	SEEN_NN(sv, stash, 1);
1c0695
 	return sv;
1c0695
 }
1c0695
 
1c0695
@@ -5272,7 +5313,7 @@ static SV *retrieve_sv_no(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 	TRACEME(("retrieve_sv_no"));
1c0695
 
1c0695
 	stash = cname ? gv_stashpv(cname, GV_ADD) : 0;
1c0695
-	SEEN(sv, stash, 1);
1c0695
+	SEEN_NN(sv, stash, 1);
1c0695
 	return sv;
1c0695
 }
1c0695
 
1c0695
@@ -5289,7 +5330,7 @@ static SV *retrieve_svundef_elem(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 
1c0695
 	/* SEEN reads the contents of its SV argument, which we are not
1c0695
 	   supposed to do with &PL_sv_placeholder. */
1c0695
-	SEEN(&PL_sv_undef, cname, 1);
1c0695
+	SEEN_NN(&PL_sv_undef, cname, 1);
1c0695
 
1c0695
 	return &PL_sv_placeholder;
1c0695
 }
1c0695
@@ -5322,7 +5363,7 @@ static SV *retrieve_array(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 	TRACEME(("size = %d", len));
1c0695
 	av = newAV();
1c0695
 	stash = cname ? gv_stashpv(cname, GV_ADD) : 0;
1c0695
-	SEEN(av, stash, 0);			/* Will return if array not allocated nicely */
1c0695
+	SEEN_NN(av, stash, 0);			/* Will return if array not allocated nicely */
1c0695
 	if (len)
1c0695
 		av_extend(av, len);
1c0695
 	else
1c0695
@@ -5348,7 +5389,7 @@ static SV *retrieve_array(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 	}
1c0695
 	if (seen_null) av_fill(av, len-1);
1c0695
 
1c0695
-	TRACEME(("ok (retrieve_array at 0x%"UVxf")", PTR2UV(av)));
1c0695
+	TRACEME(("ok (retrieve_array at 0x%" UVxf ")", PTR2UV(av)));
1c0695
 
1c0695
 	return (SV *) av;
1c0695
 }
1c0695
@@ -5383,7 +5424,7 @@ static SV *retrieve_hash(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 	TRACEME(("size = %d", len));
1c0695
 	hv = newHV();
1c0695
 	stash = cname ? gv_stashpv(cname, GV_ADD) : 0;
1c0695
-	SEEN(hv, stash, 0);		/* Will return if table not allocated properly */
1c0695
+	SEEN_NN(hv, stash, 0);		/* Will return if table not allocated properly */
1c0695
 	if (len == 0)
1c0695
 		return (SV *) hv;	/* No data follow if table empty */
1c0695
 	hv_ksplit(hv, len + 1);		/* pre-extend hash to save multiple splits */
1c0695
@@ -5424,7 +5465,7 @@ static SV *retrieve_hash(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 			return (SV *) 0;
1c0695
 	}
1c0695
 
1c0695
-	TRACEME(("ok (retrieve_hash at 0x%"UVxf")", PTR2UV(hv)));
1c0695
+	TRACEME(("ok (retrieve_hash at 0x%" UVxf ")", PTR2UV(hv)));
1c0695
 
1c0695
 	return (SV *) hv;
1c0695
 }
1c0695
@@ -5472,7 +5513,7 @@ static SV *retrieve_flag_hash(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
     TRACEME(("size = %d, flags = %d", len, hash_flags));
1c0695
     hv = newHV();
1c0695
     stash = cname ? gv_stashpv(cname, GV_ADD) : 0;
1c0695
-    SEEN(hv, stash, 0);		/* Will return if table not allocated properly */
1c0695
+    SEEN_NN(hv, stash, 0);		/* Will return if table not allocated properly */
1c0695
     if (len == 0)
1c0695
         return (SV *) hv;	/* No data follow if table empty */
1c0695
     hv_ksplit(hv, len + 1);		/* pre-extend hash to save multiple splits */
1c0695
@@ -5569,7 +5610,7 @@ static SV *retrieve_flag_hash(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
         SvREADONLY_on(hv);
1c0695
 #endif
1c0695
 
1c0695
-    TRACEME(("ok (retrieve_hash at 0x%"UVxf")", PTR2UV(hv)));
1c0695
+    TRACEME(("ok (retrieve_hash at 0x%" UVxf ")", PTR2UV(hv)));
1c0695
 
1c0695
     return (SV *) hv;
1c0695
 }
1c0695
@@ -5602,7 +5643,7 @@ static SV *retrieve_code(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 	tagnum = cxt->tagnum;
1c0695
 	sv = newSViv(0);
1c0695
 	stash = cname ? gv_stashpv(cname, GV_ADD) : 0;
1c0695
-	SEEN(sv, stash, 0);
1c0695
+	SEEN_NN(sv, stash, 0);
1c0695
 
1c0695
 	/*
1c0695
 	 * Retrieve the source of the code reference
1c0695
@@ -5627,6 +5668,10 @@ static SV *retrieve_code(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 		CROAK(("Unexpected type %d in retrieve_code\n", type));
1c0695
 	}
1c0695
 
1c0695
+	if (!text) {
1c0695
+		CROAK(("Unable to retrieve code\n"));
1c0695
+	}
1c0695
+
1c0695
 	/*
1c0695
 	 * prepend "sub " to the source
1c0695
 	 */
1c0695
@@ -5664,7 +5709,7 @@ static SV *retrieve_code(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 	SAVETMPS;
1c0695
 
1c0695
 	errsv = get_sv("@", GV_ADD);
1c0695
-	sv_setpvn(errsv, "", 0);	/* clear $@ */
1c0695
+	SvPVCLEAR(errsv);	/* clear $@ */
1c0695
 	if (SvROK(cxt->eval) && SvTYPE(SvRV(cxt->eval)) == SVt_PVCV) {
1c0695
 		PUSHMARK(sp);
1c0695
 		XPUSHs(sv_2mortal(newSVsv(sub)));
1c0695
@@ -5730,7 +5775,7 @@ static SV *old_retrieve_array(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 	RLEN(len);
1c0695
 	TRACEME(("size = %d", len));
1c0695
 	av = newAV();
1c0695
-	SEEN0(av, 0);				/* Will return if array not allocated nicely */
1c0695
+	SEEN0_NN(av, 0);			/* Will return if array not allocated nicely */
1c0695
 	if (len)
1c0695
 		av_extend(av, len);
1c0695
 	else
1c0695
@@ -5747,7 +5792,7 @@ static SV *old_retrieve_array(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 			continue;			/* av_extend() already filled us with undef */
1c0695
 		}
1c0695
 		if (c != SX_ITEM)
1c0695
-			(void) retrieve_other(aTHX_ (stcxt_t *) 0, 0);	/* Will croak out */
1c0695
+			(void) retrieve_other(aTHX_ cxt, 0);	/* Will croak out */
1c0695
 		TRACEME(("(#%d) item", i));
1c0695
 		sv = retrieve(aTHX_ cxt, 0);						/* Retrieve item */
1c0695
 		if (!sv)
1c0695
@@ -5756,7 +5801,7 @@ static SV *old_retrieve_array(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 			return (SV *) 0;
1c0695
 	}
1c0695
 
1c0695
-	TRACEME(("ok (old_retrieve_array at 0x%"UVxf")", PTR2UV(av)));
1c0695
+	TRACEME(("ok (old_retrieve_array at 0x%" UVxf ")", PTR2UV(av)));
1c0695
 
1c0695
 	return (SV *) av;
1c0695
 }
1c0695
@@ -5793,7 +5838,7 @@ static SV *old_retrieve_hash(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 	RLEN(len);
1c0695
 	TRACEME(("size = %d", len));
1c0695
 	hv = newHV();
1c0695
-	SEEN0(hv, 0);			/* Will return if table not allocated properly */
1c0695
+	SEEN0_NN(hv, 0);		/* Will return if table not allocated properly */
1c0695
 	if (len == 0)
1c0695
 		return (SV *) hv;	/* No data follow if table empty */
1c0695
 	hv_ksplit(hv, len + 1);		/* pre-extend hash to save multiple splits */
1c0695
@@ -5824,7 +5869,7 @@ static SV *old_retrieve_hash(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 			if (!sv)
1c0695
 				return (SV *) 0;
1c0695
 		} else
1c0695
-			(void) retrieve_other(aTHX_ (stcxt_t *) 0, 0);	/* Will croak out */
1c0695
+			(void) retrieve_other(aTHX_ cxt, 0);	/* Will croak out */
1c0695
 
1c0695
 		/*
1c0695
 		 * Get key.
1c0695
@@ -5835,7 +5880,7 @@ static SV *old_retrieve_hash(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 
1c0695
 		GETMARK(c);
1c0695
 		if (c != SX_KEY)
1c0695
-			(void) retrieve_other(aTHX_ (stcxt_t *) 0, 0);	/* Will croak out */
1c0695
+			(void) retrieve_other(aTHX_ cxt, 0);	/* Will croak out */
1c0695
 		RLEN(size);						/* Get key size */
1c0695
 		KBUFCHK((STRLEN)size);					/* Grow hash key read pool if needed */
1c0695
 		if (size)
1c0695
@@ -5851,7 +5896,7 @@ static SV *old_retrieve_hash(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 			return (SV *) 0;
1c0695
 	}
1c0695
 
1c0695
-	TRACEME(("ok (retrieve_hash at 0x%"UVxf")", PTR2UV(hv)));
1c0695
+	TRACEME(("ok (retrieve_hash at 0x%" UVxf ")", PTR2UV(hv)));
1c0695
 
1c0695
 	return (SV *) hv;
1c0695
 }
1c0695
@@ -6090,7 +6135,7 @@ static SV *retrieve(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 			I32 tagn;
1c0695
 			svh = hv_fetch(cxt->hseen, (char *) &tag, sizeof(tag), FALSE);
1c0695
 			if (!svh)
1c0695
-				CROAK(("Old tag 0x%"UVxf" should have been mapped already",
1c0695
+				CROAK(("Old tag 0x%" UVxf " should have been mapped already",
1c0695
 					(UV) tag));
1c0695
 			tagn = SvIV(*svh);	/* Mapped tag number computed earlier below */
1c0695
 
1c0695
@@ -6100,10 +6145,12 @@ static SV *retrieve(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 
1c0695
 			svh = av_fetch(cxt->aseen, tagn, FALSE);
1c0695
 			if (!svh)
1c0695
-				CROAK(("Object #%"IVdf" should have been retrieved already",
1c0695
+				CROAK(("Object #%" IVdf
1c0695
+                                       " should have been retrieved already",
1c0695
 					(IV) tagn));
1c0695
 			sv = *svh;
1c0695
-			TRACEME(("has retrieved #%d at 0x%"UVxf, tagn, PTR2UV(sv)));
1c0695
+			TRACEME(("has retrieved #%d at 0x%" UVxf, tagn,
1c0695
+                                 PTR2UV(sv)));
1c0695
 			SvREFCNT_inc(sv);	/* One more reference to this same sv */
1c0695
 			return sv;			/* The SV pointer where object was retrieved */
1c0695
 		}
1c0695
@@ -6141,10 +6188,11 @@ static SV *retrieve(pTHX_ stcxt_t *cxt, const char *cname)
1c0695
 		tag = ntohl(tag);
1c0695
 		svh = av_fetch(cxt->aseen, tag, FALSE);
1c0695
 		if (!svh)
1c0695
-			CROAK(("Object #%"IVdf" should have been retrieved already",
1c0695
+			CROAK(("Object #%" IVdf
1c0695
+                               " should have been retrieved already",
1c0695
 				(IV) tag));
1c0695
 		sv = *svh;
1c0695
-		TRACEME(("had retrieved #%d at 0x%"UVxf, tag, PTR2UV(sv)));
1c0695
+		TRACEME(("had retrieved #%d at 0x%" UVxf, tag, PTR2UV(sv)));
1c0695
 		SvREFCNT_inc(sv);	/* One more reference to this same sv */
1c0695
 		return sv;			/* The SV pointer where object was retrieved */
1c0695
 	} else if (type >= SX_ERROR && cxt->ver_minor > STORABLE_BIN_MINOR) {
1c0695
@@ -6207,7 +6255,7 @@ first_time:		/* Will disappear when support for old format is dropped */
1c0695
 		}
1c0695
 	}
1c0695
 
1c0695
-	TRACEME(("ok (retrieved 0x%"UVxf", refcnt=%d, %s)", PTR2UV(sv),
1c0695
+	TRACEME(("ok (retrieved 0x%" UVxf ", refcnt=%d, %s)", PTR2UV(sv),
1c0695
 		SvREFCNT(sv) - 1, sv_reftype(sv, FALSE)));
1c0695
 
1c0695
 	return sv;	/* Ok */
1c0695
@@ -6250,6 +6298,7 @@ static SV *do_retrieve(
1c0695
 	 * free up memory for them now.
1c0695
 	 */
1c0695
 
1c0695
+	assert(cxt);
1c0695
 	if (cxt->s_dirty)
1c0695
 		clean_context(aTHX_ cxt);
1c0695
 
1c0695
@@ -6393,7 +6442,7 @@ static SV *do_retrieve(
1c0695
 #endif
1c0695
 	}
1c0695
 
1c0695
-	TRACEME(("retrieve got %s(0x%"UVxf")",
1c0695
+	TRACEME(("retrieve got %s(0x%" UVxf ")",
1c0695
 		sv_reftype(sv, FALSE), PTR2UV(sv)));
1c0695
 
1c0695
 	/*
1c0695
@@ -6496,6 +6545,7 @@ static SV *dclone(pTHX_ SV *sv)
1c0695
 	 * free up memory for them now.
1c0695
 	 */
1c0695
 
1c0695
+        assert(cxt);
1c0695
 	if (cxt->s_dirty)
1c0695
 		clean_context(aTHX_ cxt);
1c0695
 
1c0695
@@ -6533,6 +6583,7 @@ static SV *dclone(pTHX_ SV *sv)
1c0695
 	 * Now, 'cxt' may refer to a new context.
1c0695
 	 */
1c0695
 
1c0695
+	assert(cxt);
1c0695
 	ASSERT(!cxt->s_dirty, ("clean context"));
1c0695
 	ASSERT(!cxt->entry, ("entry will not cause new context allocation"));
1c0695
 
1c0695
@@ -6551,7 +6602,7 @@ static SV *dclone(pTHX_ SV *sv)
1c0695
 	cxt->s_tainted = SvTAINTED(sv);
1c0695
 	out = do_retrieve(aTHX_ (PerlIO*) 0, Nullsv, ST_CLONE);
1c0695
 
1c0695
-	TRACEME(("dclone returns 0x%"UVxf, PTR2UV(out)));
1c0695
+	TRACEME(("dclone returns 0x%" UVxf, PTR2UV(out)));
1c0695
 
1c0695
 	return out;
1c0695
 }
1c0695
@@ -6696,6 +6747,7 @@ last_op_in_netorder()
1c0695
   if (ix) {
1c0695
    dSTCXT;
1c0695
 
1c0695
+   assert(cxt);
1c0695
    result = cxt->entry && (cxt->optype & ix) ? TRUE : FALSE;
1c0695
   } else {
1c0695
    result = !!last_op_in_netorder(aTHX);
1c0695
diff --git a/t/code.t b/t/code.t
1c0695
index 7fc40ba..d31e231 100644
1c0695
--- a/t/code.t
1c0695
+++ b/t/code.t
1c0695
@@ -71,7 +71,7 @@ local *FOO;
1c0695
 
1c0695
      \&dclone,                 # XS function
1c0695
 
1c0695
-     sub { open FOO, "/" },
1c0695
+     sub { open FOO, '<', "/" },
1c0695
     );
1c0695
 
1c0695
 $Storable::Deparse = 1;
1c0695
@@ -191,7 +191,7 @@ is(prototype($thawed->[4]), prototype($obj[0]->[4]));
1c0695
     my $devnull = File::Spec->devnull;
1c0695
 
1c0695
     open(SAVEERR, ">&STDERR");
1c0695
-    open(STDERR, ">$devnull") or
1c0695
+    open(STDERR, '>', $devnull) or
1c0695
 	( print SAVEERR "Unable to redirect STDERR: $!\n" and exit(1) );
1c0695
 
1c0695
     eval { $freezed = freeze $obj[0]->[0] };
1c0695
diff --git a/t/compat01.t b/t/compat01.t
1c0695
index 2827676..56d7df6 100644
1c0695
--- a/t/compat01.t
1c0695
+++ b/t/compat01.t
1c0695
@@ -33,7 +33,7 @@ my $testno;
1c0695
 for my $dump (@dumps) {
1c0695
     $testno++;
1c0695
 
1c0695
-    open(FH, ">$file") || die "Can't create $file: $!";
1c0695
+    open(FH, '>', $file) || die "Can't create $file: $!";
1c0695
     binmode(FH);
1c0695
     print FH $dump;
1c0695
     close(FH) || die "Can't write $file: $!";
1c0695
diff --git a/t/dclone.t b/t/dclone.t
1c0695
index 1e852a3..af3d7f6 100644
1c0695
--- a/t/dclone.t
1c0695
+++ b/t/dclone.t
1c0695
@@ -68,7 +68,7 @@ is($$cloned{''}[0], \$$cloned{a});
1c0695
 $$cloned{a} = "blah";
1c0695
 is($$cloned{''}[0], \$$cloned{a});
1c0695
 
1c0695
-# [ID 20020221.007] SEGV in Storable with empty string scalar object
1c0695
+# [ID 20020221.007 (#8624)] SEGV in Storable with empty string scalar object
1c0695
 package TestString;
1c0695
 sub new {
1c0695
     my ($type, $string) = @_;
1c0695
diff --git a/t/destroy.t b/t/destroy.t
1c0695
index e9464fb..dcc3600 100644
1c0695
--- a/t/destroy.t
1c0695
+++ b/t/destroy.t
1c0695
@@ -7,7 +7,7 @@ BEGIN {
1c0695
 package foo;
1c0695
 sub new { return bless {} }
1c0695
 DESTROY {
1c0695
-  open FH, "
1c0695
+  open FH, '<', "foo" or die $!;
1c0695
   eval { Storable::pretrieve(*FH); };
1c0695
   close FH or die $!;
1c0695
   unlink "foo";
1c0695
diff --git a/t/file_magic.t b/t/file_magic.t
1c0695
index 5dc032d..a68665d 100644
1c0695
--- a/t/file_magic.t
1c0695
+++ b/t/file_magic.t
1c0695
@@ -441,7 +441,7 @@ nstore({}, $file);
1c0695
 
1c0695
 for my $test (@tests) {
1c0695
     my($data, $expected) = @$test;
1c0695
-    open(FH, ">$file") || die "Can't create $file: $!";
1c0695
+    open(FH, '>', $file) || die "Can't create $file: $!";
1c0695
     binmode(FH);
1c0695
     print FH $data;
1c0695
     close(FH) || die "Can't write $file: $!";
1c0695
diff --git a/t/forgive.t b/t/forgive.t
1c0695
index c994211..af7aa1d 100644
1c0695
--- a/t/forgive.t
1c0695
+++ b/t/forgive.t
1c0695
@@ -45,7 +45,7 @@ $Storable::forgive_me=1;
1c0695
 my $devnull = File::Spec->devnull;
1c0695
 
1c0695
 open(SAVEERR, ">&STDERR");
1c0695
-open(STDERR, ">$devnull") or 
1c0695
+open(STDERR, '>', $devnull) or 
1c0695
   ( print SAVEERR "Unable to redirect STDERR: $!\n" and exit(1) );
1c0695
 
1c0695
 eval {$result = store ($bad , 'store')};
1c0695
diff --git a/t/recurse.t b/t/recurse.t
1c0695
index 930a224..399101c 100644
1c0695
--- a/t/recurse.t
1c0695
+++ b/t/recurse.t
1c0695
@@ -272,7 +272,7 @@ sub set_c2 { $_[0]->{c2} = $_[1] }
1c0695
 
1c0695
 #
1c0695
 # Is the reference count of the extra references returned from a
1c0695
-# STORABLE_freeze hook correct? [ID 20020601.005]
1c0695
+# STORABLE_freeze hook correct? [ID 20020601.005 (#9436)]
1c0695
 #
1c0695
 package Foo2;
1c0695
 
1c0695
diff --git a/t/store.t b/t/store.t
1c0695
index be43299..b25dbd2 100644
1c0695
--- a/t/store.t
1c0695
+++ b/t/store.t
1c0695
@@ -1,7 +1,7 @@
1c0695
 #!./perl
1c0695
 #
1c0695
 #  Copyright (c) 1995-2000, Raphael Manfredi
1c0695
-#  
1c0695
+#
1c0695
 #  You may redistribute only under the same terms as Perl 5, as specified
1c0695
 #  in the README file that comes with the distribution.
1c0695
 #
1c0695
@@ -19,7 +19,7 @@ sub BEGIN {
1c0695
 
1c0695
 use Storable qw(store retrieve store_fd nstore_fd fd_retrieve);
1c0695
 
1c0695
-use Test::More tests => 21;
1c0695
+use Test::More tests => 25;
1c0695
 
1c0695
 $a = 'toto';
1c0695
 $b = \$a;
1c0695
@@ -87,5 +87,29 @@ is(&dump($r), &dump(\%a));
1c0695
 eval { $r = fd_retrieve(::OUT); };
1c0695
 isnt($@, '');
1c0695
 
1c0695
+{
1c0695
+    my %test = (
1c0695
+        old_retrieve_array => "\x70\x73\x74\x30\x01\x0a\x02\x02\x02\x02\x00\x3d\x08\x84\x08\x85\x08\x06\x04\x00\x00\x01\x1b",
1c0695
+        old_retrieve_hash  => "\x70\x73\x74\x30\x01\x0a\x03\x00\xe8\x03\x00\x00\x81\x00\x00\x00\x01\x61",
1c0695
+        retrieve_code      => "\x70\x73\x74\x30\x05\x0a\x19\xf0\x00\xff\xe8\x03\x1a\x0a\x0e\x01",
1c0695
+    );
1c0695
+
1c0695
+    for my $k (sort keys %test) {
1c0695
+        open my $fh, '<', \$test{$k};
1c0695
+        eval { Storable::fd_retrieve($fh); };
1c0695
+        is($?, 0, 'RT 130098:  no segfault in Storable::fd_retrieve()');
1c0695
+    }
1c0695
+}
1c0695
+
1c0695
+{
1c0695
+
1c0695
+    my $frozen =
1c0695
+      "\x70\x73\x74\x30\x04\x0a\x08\x31\x32\x33\x34\x35\x36\x37\x38\x04\x08\x08\x08\x03\xff\x00\x00\x00\x19\x08\xff\x00\x00\x00\x08\x08\xf9\x16\x16\x13\x16\x10\x10\x10\xff\x15\x16\x16\x16\x1e\x16\x16\x16\x16\x16\x16\x16\x16\x16\x16\x13\xf0\x16\x16\x16\xfe\x16\x41\x41\x41\x41\xe8\x03\x41\x41\x41\x41\x41\x41\x41\x41\x51\x41\xa9\xac\xac\xac\xac\xac\xac\xac\xac\xac\xac\xac\xac\xac\xac\xac\xac\xac\xac\xac\xac\xb8\xac\xac\xac\xac\xac\xac\xac\xac\x9a\xac\xac\xac\xac\xac\xac\xac\xac\xac\x93\xac\xac\xac\xac\xac\xac\xac\xac\xac\xac\xac\xac\xac\xac\xac\xac\xac\xac\xac\xac\xac\xac\xac\xac\x00\x64\xac\xa8\xac\xac\xac\xac\xac\xac\xac\xac\xac\xac\xac\x2c\xac\x41\x41\x41\x41\x41\x41\x41\x41\x41\x00\x80\x41\x80\x41\x41\x41\x41\x41\x41\x51\x41\xac\xac\xac";
1c0695
+    open my $fh, '<', \$frozen;
1c0695
+    eval { Storable::fd_retrieve($fh); };
1c0695
+    pass('RT 130635:  no stack smashing error when retrieving hook');
1c0695
+
1c0695
+}
1c0695
+
1c0695
 close OUT or die "Could not close: $!";
1c0695
 END { 1 while unlink 'store' }
1c0695
diff --git a/t/testlib.pl b/t/testlib.pl
1c0695
index 6d885d7..9b07dd4 100644
1c0695
--- a/t/testlib.pl
1c0695
+++ b/t/testlib.pl
1c0695
@@ -12,7 +12,7 @@ use Storable qw (store retrieve freeze thaw nstore nfreeze);
1c0695
 sub slurp {
1c0695
   my $file = shift;
1c0695
   local (*FH, $/);
1c0695
-  open FH, "<$file" or die "Can't open '$file': $!";
1c0695
+  open FH, '<', $file or die "Can't open '$file': $!";
1c0695
   binmode FH;
1c0695
   my $contents = <FH>;
1c0695
   die "Can't read $file: $!" unless defined $contents;
1c0695
@@ -22,7 +22,7 @@ sub slurp {
1c0695
 sub store_and_retrieve {
1c0695
   my $data = shift;
1c0695
   unlink $file or die "Can't unlink '$file': $!";
1c0695
-  open FH, ">$file" or die "Can't open '$file': $!";
1c0695
+  open FH, '>', $file or die "Can't open '$file': $!";
1c0695
   binmode FH;
1c0695
   print FH $data or die "Can't print to '$file': $!";
1c0695
   close FH or die "Can't close '$file': $!";
1c0695
@@ -35,4 +35,4 @@ sub freeze_and_thaw {
1c0695
   return eval {thaw $data};
1c0695
 }
1c0695
 
1c0695
-$file;
1c0695
+1;
1c0695
-- 
1c0695
2.9.3
1c0695