U32 sv_refcnt; /* how many references to us */
U32 sv_flags; /* what we are */
union {
- IV sv_iv;
- UV sv_uv;
- SV* sv_rv; /* pointer to another SV */
- char* sv_pv; /* pointer to malloced string */
- SV** sv_array;
+ IV svu_iv;
+ UV svu_uv;
+ SV* svu_rv; /* pointer to another SV */
+ char* svu_pv; /* pointer to malloced string */
+ SV** svu_array;
} sv_u;
#ifdef DEBUG_LEAKING_SCALARS
unsigned sv_debug_optype:9; /* the type of OP that allocated us */
U32 sv_refcnt; /* how many references to us */
U32 sv_flags; /* what we are */
union {
- IV sv_iv;
- UV sv_uv;
- SV* sv_rv;
- char* sv_pv;
- SV** sv_array;
+ IV svu_iv;
+ UV svu_uv;
+ SV* svu_rv;
+ char* svu_pv;
+ SV** svu_array;
} sv_u;
};
U32 sv_refcnt; /* how many references to us */
U32 sv_flags; /* what we are */
union {
- IV sv_iv;
- UV sv_uv;
- SV* sv_rv;
- char* sv_pv;
- SV** sv_array;
+ IV svu_iv;
+ UV svu_uv;
+ SV* svu_rv;
+ char* svu_pv;
+ SV** svu_array;
} sv_u;
};
U32 sv_refcnt; /* how many references to us */
U32 sv_flags; /* what we are */
union {
- IV sv_iv;
- UV sv_uv;
- SV* sv_rv;
- char* sv_pv; /* pointer to first array element */
- SV** sv_array;
+ IV svu_iv;
+ UV svu_uv;
+ SV* svu_rv;
+ char* svu_pv; /* pointer to first array element */
+ SV** svu_array;
} sv_u;
};
U32 sv_refcnt; /* how many references to us */
U32 sv_flags; /* what we are */
union {
- IV sv_iv;
- UV sv_uv;
- SV* sv_rv;
- char* sv_pv;
- SV** sv_array;
+ IV svu_iv;
+ UV svu_uv;
+ SV* svu_rv;
+ char* svu_pv;
+ SV** svu_array;
} sv_u;
};
U32 sv_refcnt; /* how many references to us */
U32 sv_flags; /* what we are */
union {
- IV sv_iv;
- UV sv_uv;
- SV* sv_rv;
- char* sv_pv;
- SV** sv_array;
+ IV svu_iv;
+ UV svu_uv;
+ SV* svu_rv;
+ char* svu_pv;
+ SV** svu_array;
} sv_u;
};
#define SVTYPEMASK 0xff
#define SvTYPE(sv) ((sv)->sv_flags & SVTYPEMASK)
-#define SvUPGRADE(sv, mt) (SvTYPE(sv) >= mt || sv_upgrade(sv, mt))
+#define SvUPGRADE(sv, mt) (void)(SvTYPE(sv) >= mt || sv_upgrade(sv, mt))
#define SVs_PADSTALE 0x00000100 /* lexical has gone out of scope */
#define SVs_PADTMP 0x00000200 /* in use as tmp */
#define SVf_ROK 0x00080000 /* has a valid reference pointer */
#define SVf_FAKE 0x00100000 /* glob or lexical is just a copy */
-#define SVf_OOK 0x00200000 /* has valid offset value */
+#define SVf_OOK 0x00200000 /* has valid offset value
+ For a PVHV this means that a
+ hv_aux struct is present after the
+ main array */
#define SVf_BREAK 0x00400000 /* refcnt is artificially low - used
* by SV's in final arena cleanup */
#define SVf_READONLY 0x00800000 /* may not be modified */
#define SVpav_REIFY 0x80000000 /* can become real */
struct xpv {
- IV xpv_dummy; /* This isn't allocated. */
- STRLEN xpv_cur; /* length of sv_pv as a C string */
+ NV xnv_nv; /* numeric value, if any */
+ STRLEN xpv_cur; /* length of svu_pv as a C string */
STRLEN xpv_len; /* allocated size */
};
typedef struct xpv xpv_allocated;
#else
typedef struct {
- STRLEN xpv_cur; /* length of sv_pv as a C string */
+ STRLEN xpv_cur; /* length of svu_pv as a C string */
STRLEN xpv_len; /* allocated size */
} xpv_allocated;
#endif
struct xpviv {
- IV xiv_iv; /* integer value or pv offset */
- STRLEN xpv_cur; /* length of sv_pv as a C string */
+ NV xnv_nv; /* numeric value, if any */
+ STRLEN xpv_cur; /* length of svu_pv as a C string */
STRLEN xpv_len; /* allocated size */
+ union {
+ IV xivu_iv; /* integer value or pv offset */
+ UV xivu_uv;
+ void * xivu_p1;
+ } xiv_u;
};
+#if 0
+typedef struct xpviv xpviv_allocated;
+#else
+typedef struct {
+ STRLEN xpv_cur; /* length of svu_pv as a C string */
+ STRLEN xpv_len; /* allocated size */
+ union {
+ IV xivu_iv; /* integer value or pv offset */
+ UV xivu_uv;
+ void * xivu_p1;
+ } xiv_u;
+} xpviv_allocated;
+#endif
+
+#define xiv_iv xiv_u.xivu_iv
+
struct xpvuv {
- UV xuv_uv; /* unsigned value or pv offset */
- STRLEN xpv_cur; /* length of sv_pv as a C string */
+ NV xnv_nv; /* numeric value, if any */
+ STRLEN xpv_cur; /* length of svu_pv as a C string */
STRLEN xpv_len; /* allocated size */
+ union {
+ IV xuvu_iv;
+ UV xuvu_uv; /* unsigned value or pv offset */
+ void * xuvu_p1;
+ } xuv_u;
};
+#define xuv_uv xuv_u.xuvu_uv
+
struct xpvnv {
- IV xiv_iv; /* integer value or pv offset */
- STRLEN xpv_cur; /* length of sv_pv as a C string */
+ NV xnv_nv; /* numeric value, if any */
+ STRLEN xpv_cur; /* length of svu_pv as a C string */
STRLEN xpv_len; /* allocated size */
union {
- struct {
- void *xnv_p1;
- union {
- void *xnv_p2;
- IV xnv_i2;
- } xnv_u2;
- } xnv_s;
- NV xnvu_nv; /* numeric value, if any */
- } xnv_u;
+ IV xivu_iv; /* integer value or pv offset */
+ UV xivu_uv;
+ void * xivu_p1;
+ } xiv_u;
};
-#define xnv_nv xnv_u.xnvu_nv
-
/* These structure must match the beginning of struct xpvhv in hv.h. */
struct xpvmg {
- IV xiv_iv; /* integer value or pv offset */
- STRLEN xpv_cur; /* length of sv_pv as a C string */
+ NV xnv_nv; /* numeric value, if any */
+ STRLEN xpv_cur; /* length of svu_pv as a C string */
STRLEN xpv_len; /* allocated size */
union {
- struct {
- void *xnv_p1;
- union {
- void *xnv_p2;
- IV xnv_i2;
- } xnv_u2;
- } xnv_s;
- NV xnvu_nv; /* numeric value, if any */
- } xnv_u;
+ IV xivu_iv; /* integer value or pv offset */
+ UV xivu_uv;
+ void * xivu_p1;
+ } xiv_u;
MAGIC* xmg_magic; /* linked list of magicalness */
HV* xmg_stash; /* class package */
};
struct xpvlv {
- IV xiv_iv; /* integer value or pv offset */
- STRLEN xpv_cur; /* length of sv_pv as a C string */
+ NV xnv_nv; /* numeric value, if any */
+ STRLEN xpv_cur; /* length of svu_pv as a C string */
STRLEN xpv_len; /* allocated size */
union {
- struct {
- void *xnv_p1;
- union {
- void *xnv_p2;
- IV xnv_i2;
- } xnv_u2;
- } xnv_s;
- NV xnvu_nv; /* numeric value, if any */
- } xnv_u;
+ IV xivu_iv; /* integer value or pv offset */
+ UV xivu_uv;
+ void * xivu_p1;
+ } xiv_u;
MAGIC* xmg_magic; /* linked list of magicalness */
HV* xmg_stash; /* class package */
};
struct xpvgv {
- IV xiv_iv; /* integer value or pv offset */
- STRLEN xpv_cur; /* length of sv_pv as a C string */
+ NV xnv_nv; /* numeric value, if any */
+ STRLEN xpv_cur; /* length of svu_pv as a C string */
STRLEN xpv_len; /* allocated size */
union {
- struct {
- void *xnv_p1;
- union {
- void *xnv_p2;
- IV xnv_i2;
- } xnv_u2;
- } xnv_s;
- NV xnvu_nv; /* numeric value, if any */
- } xnv_u;
+ IV xivu_iv; /* integer value or pv offset */
+ UV xivu_uv;
+ void * xivu_p1;
+ } xiv_u;
MAGIC* xmg_magic; /* linked list of magicalness */
HV* xmg_stash; /* class package */
};
struct xpvbm {
- IV xiv_iv; /* integer value or pv offset */
- STRLEN xpv_cur; /* length of sv_pv as a C string */
+ NV xnv_nv; /* numeric value, if any */
+ STRLEN xpv_cur; /* length of svu_pv as a C string */
STRLEN xpv_len; /* allocated size */
union {
- struct {
- void *xnv_p1;
- union {
- void *xnv_p2;
- IV xnv_i2;
- } xnv_u2;
- } xnv_s;
- NV xnvu_nv; /* numeric value, if any */
- } xnv_u;
+ IV xivu_iv; /* integer value or pv offset */
+ UV xivu_uv;
+ void * xivu_p1;
+ } xiv_u;
MAGIC* xmg_magic; /* linked list of magicalness */
HV* xmg_stash; /* class package */
typedef U16 cv_flags_t;
struct xpvfm {
- IV xiv_iv; /* integer value or pv offset */
- STRLEN xpv_cur; /* length of sv_pv as a C string */
+ NV xnv_nv; /* numeric value, if any */
+ STRLEN xpv_cur; /* length of svu_pv as a C string */
STRLEN xpv_len; /* allocated size */
union {
- struct {
- void *xnv_p1;
- union {
- void *xnv_p2;
- IV xnv_i2;
- } xnv_u2;
- } xnv_s;
- NV xnvu_nv; /* numeric value, if any */
- } xnv_u;
+ IV xivu_iv; /* integer value or pv offset */
+ UV xivu_uv;
+ void * xivu_p1;
+ } xiv_u;
MAGIC* xmg_magic; /* linked list of magicalness */
HV* xmg_stash; /* class package */
};
struct xpvio {
- IV xiv_iv; /* integer value or pv offset */
- STRLEN xpv_cur; /* length of sv_pv as a C string */
+ NV xnv_nv; /* numeric value, if any */
+ STRLEN xpv_cur; /* length of svu_pv as a C string */
STRLEN xpv_len; /* allocated size */
union {
- struct {
- void *xnv_p1;
- union {
- void *xnv_p2;
- IV xnv_i2;
- } xnv_u2;
- } xnv_s;
- NV xnvu_nv; /* numeric value, if any */
- } xnv_u;
+ IV xivu_iv; /* integer value or pv offset */
+ UV xivu_uv;
+ void * xivu_p1;
+ } xiv_u;
MAGIC* xmg_magic; /* linked list of magicalness */
HV* xmg_stash; /* class package */
Returns the stash of the SV.
=for apidoc Am|void|SvIV_set|SV* sv|IV val
-Set the value of the IV pointer in sv to val.
+Set the value of the IV pointer in sv to val. It is possible to perform
+the same function of this macro with an lvalue assignment to C<SvIVX>.
+With future Perls, however, it will be more efficient to use
+C<SvIV_set> instead of the lvalue assignment to C<SvIVX>.
=for apidoc Am|void|SvNV_set|SV* sv|NV val
-Set the value of the IV pointer in sv to val.
+Set the value of the NV pointer in sv to val. See C<SvIV_set>.
=for apidoc Am|void|SvPV_set|SV* sv|char* val
-Set the value of the PV pointer in sv to val.
+Set the value of the PV pointer in sv to val. See C<SvIV_set>.
=for apidoc Am|void|SvUV_set|SV* sv|UV val
-Set the value of the PV pointer in sv to val.
+Set the value of the UV pointer in sv to val. See C<SvIV_set>.
=for apidoc Am|void|SvRV_set|SV* sv|SV* val
-Set the value of the RV pointer in sv to val.
+Set the value of the RV pointer in sv to val. See C<SvIV_set>.
=for apidoc Am|void|SvMAGIC_set|SV* sv|MAGIC* val
-Set the value of the MAGIC pointer in sv to val.
+Set the value of the MAGIC pointer in sv to val. See C<SvIV_set>.
=for apidoc Am|void|SvSTASH_set|SV* sv|STASH* val
-Set the value of the STASH pointer in sv to val.
+Set the value of the STASH pointer in sv to val. See C<SvIV_set>.
=for apidoc Am|void|SvCUR_set|SV* sv|STRLEN len
-Set the current length of the string which is in the SV. See C<SvCUR>.
+Set the current length of the string which is in the SV. See C<SvCUR>
+and C<SvIV_set>.
=for apidoc Am|void|SvLEN_set|SV* sv|STRLEN len
-Set the actual length of the string which is in the SV.
+Set the actual length of the string which is in the SV. See C<SvIV_set>.
=cut
*/
#endif
#ifdef PERL_DEBUG_COW
-#define SvRV(sv) (0 + (sv)->sv_u.sv_rv)
+#define SvRV(sv) (0 + (sv)->sv_u.svu_rv)
#else
-#define SvRV(sv) ((sv)->sv_u.sv_rv)
+#define SvRV(sv) ((sv)->sv_u.svu_rv)
#endif
#define SvRVx(sv) SvRV(sv)
#define SvIVX(sv) (0 + ((XPVIV*) SvANY(sv))->xiv_iv)
#define SvUVX(sv) (0 + ((XPVUV*) SvANY(sv))->xuv_uv)
#define SvNVX(sv) (0 + ((XPVNV*) SvANY(sv))->xnv_nv)
-#define SvPVX(sv) (0 + (sv)->sv_u.sv_pv)
+/* Don't test the core XS code yet. */
+#if defined (PERL_CORE) && PERL_DEBUG_COW > 1
+#define SvPVX(sv) (0 + (assert(!SvREADONLY(sv)), (sv)->sv_u.svu_pv))
+#else
+#define SvPVX(sv) SvPVX_mutable(sv)
+#endif
+#define SvPVX_mutable(sv) (0 + (sv)->sv_u.svu_pv)
+#define SvPVX_const(sv) ((const char*)(0 + (sv)->sv_u.svu_pv))
#define SvCUR(sv) (0 + ((XPV*) SvANY(sv))->xpv_cur)
#define SvLEN(sv) (0 + ((XPV*) SvANY(sv))->xpv_len)
-#define SvEND(sv) ((sv)->sv_u.sv_pv + ((XPV*)SvANY(sv))->xpv_cur)
+#define SvEND(sv) ((sv)->sv_u.svu_pv + ((XPV*)SvANY(sv))->xpv_cur)
#ifdef DEBUGGING
# ifdef PERL_IN_SV_C
#define SvIVX(sv) ((XPVIV*) SvANY(sv))->xiv_iv
#define SvUVX(sv) ((XPVUV*) SvANY(sv))->xuv_uv
#define SvNVX(sv) ((XPVNV*) SvANY(sv))->xnv_nv
-#define SvPVX(sv) ((sv)->sv_u.sv_pv)
+#define SvPVX(sv) ((sv)->sv_u.svu_pv)
+#define SvPVX_mutable(sv) SvPVX(sv)
+#define SvPVX_const(sv) ((const char*)SvPVX(sv))
#define SvCUR(sv) ((XPV*) SvANY(sv))->xpv_cur
#define SvLEN(sv) ((XPV*) SvANY(sv))->xpv_len
-#define SvEND(sv) ((sv)->sv_u.sv_pv + ((XPV*)SvANY(sv))->xpv_cur)
+#define SvEND(sv) ((sv)->sv_u.svu_pv + ((XPV*)SvANY(sv))->xpv_cur)
#ifdef DEBUGGING
#define SvMAGIC(sv) (*(assert(SvTYPE(sv) >= SVt_PVMG), &((XPVMG*) SvANY(sv))->xmg_magic))
(((XPVNV*)SvANY(sv))->xnv_nv = (val)); } STMT_END
#define SvPV_set(sv, val) \
STMT_START { assert(SvTYPE(sv) >= SVt_PV); \
- ((sv)->sv_u.sv_pv = (val)); } STMT_END
+ ((sv)->sv_u.svu_pv = (val)); } STMT_END
#define SvUV_set(sv, val) \
STMT_START { assert(SvTYPE(sv) == SVt_IV || SvTYPE(sv) >= SVt_PVIV); \
(((XPVUV*)SvANY(sv))->xuv_uv = (val)); } STMT_END
#define SvRV_set(sv, val) \
STMT_START { assert(SvTYPE(sv) >= SVt_RV); \
- ((sv)->sv_u.sv_rv = (val)); } STMT_END
+ ((sv)->sv_u.svu_rv = (val)); } STMT_END
#define SvMAGIC_set(sv, val) \
STMT_START { assert(SvTYPE(sv) >= SVt_PVMG); \
(((XPVMG*)SvANY(sv))->xmg_magic = (val)); } STMT_END
} \
} STMT_END
-#define SvPVX_const(sv) ((const char*)SvPVX(sv))
-
#define BmRARE(sv) ((XPVBM*) SvANY(sv))->xbm_rare
#define BmUSEFUL(sv) ((XPVBM*) SvANY(sv))->xbm_useful
#define BmPREVIOUS(sv) ((XPVBM*) SvANY(sv))->xbm_previous
/* ----*/
#define SvPV(sv, lp) SvPV_flags(sv, lp, SV_GMAGIC)
+#define SvPV_const(sv, lp) SvPV_flags_const(sv, lp, SV_GMAGIC)
#define SvPV_flags(sv, lp, flags) \
((SvFLAGS(sv) & (SVf_POK)) == SVf_POK \
? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_2pv_flags(sv, &lp, flags))
+#define SvPV_flags_const(sv, lp, flags) \
+ ((SvFLAGS(sv) & (SVf_POK)) == SVf_POK \
+ ? ((lp = SvCUR(sv)), SvPVX_const(sv)) : \
+ (const char*) sv_2pv_flags(sv, &lp, flags|SV_CONST_RETURN))
#define SvPV_force(sv, lp) SvPV_force_flags(sv, lp, SV_GMAGIC)
+#define SvPV_force_mutable(sv, lp) SvPV_force_flags_mutable(sv, lp, SV_GMAGIC)
#define SvPV_force_nomg(sv, lp) SvPV_force_flags(sv, lp, 0)
#define SvPV_force_flags(sv, lp, flags) \
((SvFLAGS(sv) & (SVf_POK|SVf_THINKFIRST)) == SVf_POK \
? ((lp = SvCUR(sv)), SvPVX(sv)) : sv_pvn_force_flags(sv, &lp, flags))
+#define SvPV_force_flags_mutable(sv, lp, flags) \
+ ((SvFLAGS(sv) & (SVf_POK|SVf_THINKFIRST)) == SVf_POK \
+ ? ((lp = SvCUR(sv)), SvPVX_mutable(sv)) \
+ : sv_pvn_force_flags(sv, &lp, flags|SV_MUTABLE_RETURN))
#define SvPV_nolen(sv) \
((SvFLAGS(sv) & (SVf_POK)) == SVf_POK \
- ? SvPVX(sv) : sv_2pv_nolen(sv))
+ ? SvPVX(sv) : sv_2pv_flags(sv, 0, SV_GMAGIC))
+
+#define SvPV_nolen_const(sv) \
+ ((SvFLAGS(sv) & (SVf_POK)) == SVf_POK \
+ ? SvPVX_const(sv) : sv_2pv_flags(sv, 0, SV_GMAGIC|SV_CONST_RETURN))
#define SvPV_nomg(sv, lp) SvPV_flags(sv, lp, 0)
+#define SvPV_nomg_const(sv, lp) SvPV_flags_const(sv, lp, 0)
/* ----*/
#define SvPVutf8_nolen(sv) \
((SvFLAGS(sv) & (SVf_POK|SVf_UTF8)) == (SVf_POK|SVf_UTF8)\
- ? SvPVX(sv) : sv_2pvutf8_nolen(sv))
+ ? SvPVX(sv) : sv_2pvutf8(sv, 0))
/* ----*/
#define SvPVbyte_nolen(sv) \
((SvFLAGS(sv) & (SVf_POK|SVf_UTF8)) == (SVf_POK)\
- ? SvPVX(sv) : sv_2pvbyte_nolen(sv))
+ ? SvPVX(sv) : sv_2pvbyte(sv, 0))
# define SvUVx(sv) ({SV *_sv = (SV*)(sv); SvUV(_sv); })
# define SvNVx(sv) ({SV *_sv = (SV*)(sv); SvNV(_sv); })
# define SvPVx(sv, lp) ({SV *_sv = (sv); SvPV(_sv, lp); })
+# define SvPVx_const(sv, lp) ({SV *_sv = (sv); SvPV_const(_sv, lp); })
+# define SvPVx_nolen(sv) ({SV *_sv = (sv); SvPV_nolen(_sv); })
+# define SvPVx_nolen_const(sv) ({SV *_sv = (sv); SvPV_nolen_const(_sv); })
# define SvPVutf8x(sv, lp) ({SV *_sv = (sv); SvPVutf8(_sv, lp); })
# define SvPVbytex(sv, lp) ({SV *_sv = (sv); SvPVbyte(_sv, lp); })
+# define SvPVbytex_nolen(sv) ({SV *_sv = (sv); SvPVbyte_nolen(_sv); })
# define SvTRUE(sv) ( \
!sv \
? 0 \
? (({XPV *nxpv = (XPV*)SvANY(sv); \
nxpv && \
(nxpv->xpv_cur > 1 || \
- (nxpv->xpv_cur && *(sv)->sv_u.sv_pv != '0')); }) \
+ (nxpv->xpv_cur && *(sv)->sv_u.svu_pv != '0')); }) \
? 1 \
: 0) \
: \
# define SvUVx(sv) ((PL_Sv = (sv)), SvUV(PL_Sv))
# define SvNVx(sv) ((PL_Sv = (sv)), SvNV(PL_Sv))
# define SvPVx(sv, lp) ((PL_Sv = (sv)), SvPV(PL_Sv, lp))
+# define SvPVx_const(sv, lp) ((PL_Sv = (sv)), SvPV_const(PL_Sv, lp))
+# define SvPVx_nolen(sv) ((PL_Sv = (sv)), SvPV_nolen(PL_Sv))
+# define SvPVx_nolen_const(sv) ((PL_Sv = (sv)), SvPV_nolen_const(PL_Sv))
# define SvPVutf8x(sv, lp) ((PL_Sv = (sv)), SvPVutf8(PL_Sv, lp))
# define SvPVbytex(sv, lp) ((PL_Sv = (sv)), SvPVbyte(PL_Sv, lp))
+# define SvPVbytex_nolen(sv) ((PL_Sv = (sv)), SvPVbyte_nolen(PL_Sv))
# define SvTRUE(sv) ( \
!sv \
? 0 \
: SvPOK(sv) \
? ((PL_Xpv = (XPV*)SvANY(PL_Sv = (sv))) && \
(PL_Xpv->xpv_cur > 1 || \
- (PL_Xpv->xpv_cur && *PL_Sv->sv_u.sv_pv != '0')) \
+ (PL_Xpv->xpv_cur && *PL_Sv->sv_u.svu_pv != '0')) \
? 1 \
: 0) \
: \
(SVf_FAKE | SVf_READONLY))
#define SvIsCOW_shared_hash(sv) (SvIsCOW(sv) && SvLEN(sv) == 0)
+#define SvSHARED_HASH(sv) SvUVX(sv)
+
/* flag values for sv_*_flags functions */
#define SV_IMMEDIATE_UNREF 1
#define SV_GMAGIC 2
#define SV_COW_DROP_PV 4
#define SV_UTF8_NO_ENCODING 8
#define SV_NOSTEAL 16
+#define SV_CONST_RETURN 32
+#define SV_MUTABLE_RETURN 64
/* We are about to replace the SV's current value. So if it's copy on write
we need to normalise it. Use the SV_COW_DROP_PV flag hint to say that
#define SV_CHECK_THINKFIRST_COW_DROP(sv) if (SvTHINKFIRST(sv)) \
sv_force_normal_flags(sv, SV_COW_DROP_PV)
-#ifdef PERL_COPY_ON_WRITE
+#ifdef PERL_OLD_COPY_ON_WRITE
# define SvRELEASE_IVX(sv) ((void)((SvFLAGS(sv) & (SVf_OOK|SVf_READONLY|SVf_FAKE)) \
&& Perl_sv_release_IVX(aTHX_ sv)))
# define SvIsCOW_normal(sv) (SvIsCOW(sv) && SvLEN(sv))
+#else
+# define SvRELEASE_IVX(sv) SvOOK_off(sv)
+#endif /* PERL_OLD_COPY_ON_WRITE */
#define CAN_COW_MASK (SVs_OBJECT|SVs_GMG|SVs_SMG|SVs_RMG|SVf_IOK|SVf_NOK| \
SVf_POK|SVf_ROK|SVp_IOK|SVp_NOK|SVp_POK|SVf_FAKE| \
SVf_OOK|SVf_BREAK|SVf_READONLY|SVf_AMAGIC)
#define CAN_COW_FLAGS (SVp_POK|SVf_POK)
-#else
-# define SvRELEASE_IVX(sv) SvOOK_off(sv)
-#endif /* PERL_COPY_ON_WRITE */
-
#define SV_CHECK_THINKFIRST(sv) if (SvTHINKFIRST(sv)) \
sv_force_normal_flags(sv, 0)
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