/* hv.c
*
- * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- * 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, by Larry Wall and others
+ * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+ * 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 by Larry Wall and others
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
*/
/*
- * "I sit beside the fire and think of all that I have seen." --Bilbo
+ * I sit beside the fire and think
+ * of all that I have seen.
+ * --Bilbo
+ *
+ * [p.278 of _The Lord of the Rings_, II/iii: "The Ring Goes South"]
*/
/*
HeNEXT(ret) = he_dup(HeNEXT(e),shared, param);
if (HeKLEN(e) == HEf_SVKEY) {
char *k;
- Newx(k, HEK_BASESIZE + sizeof(SV*), char);
+ Newx(k, HEK_BASESIZE + sizeof(const SV *), char);
HeKEY_hek(ret) = (HEK*)k;
HeKEY_sv(ret) = SvREFCNT_inc(sv_dup(HeKEY_sv(e), param));
}
if (SvSMAGICAL(hv) && SvGMAGICAL(hv) && !(action & HV_DISABLE_UVAR_XKEY)) {
MAGIC* mg;
- if ((mg = mg_find((SV*)hv, PERL_MAGIC_uvar))) {
+ if ((mg = mg_find((const SV *)hv, PERL_MAGIC_uvar))) {
struct ufuncs * const uf = (struct ufuncs *)mg->mg_ptr;
if (uf->uf_set == NULL) {
SV* obj = mg->mg_obj;
mg->mg_obj = keysv; /* pass key */
uf->uf_index = action; /* pass action */
- magic_getuvar((SV*)hv, mg);
+ magic_getuvar(MUTABLE_SV(hv), mg);
keysv = mg->mg_obj; /* may have changed */
mg->mg_obj = obj;
if (flags & HVhek_FREEKEY)
Safefree(key);
key = SvPV_const(keysv, klen);
- flags = 0;
is_utf8 = (SvUTF8(keysv) != 0);
+ if (SvIsCOW_shared_hash(keysv)) {
+ flags = HVhek_KEYCANONICAL | (is_utf8 ? HVhek_UTF8 : 0);
+ } else {
+ flags = 0;
+ }
} else {
is_utf8 = ((flags & HVhek_UTF8) ? TRUE : FALSE);
}
xhv = (XPVHV*)SvANY(hv);
if (SvMAGICAL(hv)) {
if (SvRMAGICAL(hv) && !(action & (HV_FETCH_ISSTORE|HV_FETCH_ISEXISTS))) {
- if ( mg_find((SV*)hv, PERL_MAGIC_tied) || SvGMAGICAL((SV*)hv))
+ if (mg_find((const SV *)hv, PERL_MAGIC_tied)
+ || SvGMAGICAL((const SV *)hv))
{
/* FIXME should be able to skimp on the HE/HEK here when
HV_FETCH_JUST_SV is true. */
keysv = newSVsv(keysv);
}
sv = sv_newmortal();
- mg_copy((SV*)hv, sv, (char *)keysv, HEf_SVKEY);
+ mg_copy(MUTABLE_SV(hv), sv, (char *)keysv, HEf_SVKEY);
/* grab a fake HE/HEK pair from the pool or make a new one */
entry = PL_hv_fetch_ent_mh;
else {
char *k;
entry = new_HE();
- Newx(k, HEK_BASESIZE + sizeof(SV*), char);
+ Newx(k, HEK_BASESIZE + sizeof(const SV *), char);
HeKEY_hek(entry) = (HEK*)k;
}
HeNEXT(entry) = NULL;
sv_upgrade(sv, SVt_PVLV);
LvTYPE(sv) = 'T';
/* so we can free entry when freeing sv */
- LvTARG(sv) = (SV*)entry;
+ LvTARG(sv) = MUTABLE_SV(entry);
/* XXX remove at some point? */
if (flags & HVhek_FREEKEY)
return (void *) entry;
}
#ifdef ENV_IS_CASELESS
- else if (mg_find((SV*)hv, PERL_MAGIC_env)) {
+ else if (mg_find((const SV *)hv, PERL_MAGIC_env)) {
U32 i;
for (i = 0; i < klen; ++i)
if (isLOWER(key[i])) {
#endif
} /* ISFETCH */
else if (SvRMAGICAL(hv) && (action & HV_FETCH_ISEXISTS)) {
- if (mg_find((SV*)hv, PERL_MAGIC_tied) || SvGMAGICAL((SV*)hv)) {
+ if (mg_find((const SV *)hv, PERL_MAGIC_tied)
+ || SvGMAGICAL((const SV *)hv)) {
/* I don't understand why hv_exists_ent has svret and sv,
whereas hv_exists only had one. */
SV * const svret = sv_newmortal();
} else {
keysv = newSVsv(keysv);
}
- mg_copy((SV*)hv, sv, (char *)sv_2mortal(keysv), HEf_SVKEY);
+ mg_copy(MUTABLE_SV(hv), sv, (char *)sv_2mortal(keysv), HEf_SVKEY);
} else {
- mg_copy((SV*)hv, sv, key, klen);
+ mg_copy(MUTABLE_SV(hv), sv, key, klen);
}
if (flags & HVhek_FREEKEY)
Safefree(key);
return SvTRUE(svret) ? (void *)hv : NULL;
}
#ifdef ENV_IS_CASELESS
- else if (mg_find((SV*)hv, PERL_MAGIC_env)) {
+ else if (mg_find((const SV *)hv, PERL_MAGIC_env)) {
/* XXX This code isn't UTF8 clean. */
char * const keysave = (char * const)key;
/* Will need to free this, so set FREEKEY flag. */
if (PL_tainting)
PL_tainted = SvTAINTED(keysv);
keysv = sv_2mortal(newSVsv(keysv));
- mg_copy((SV*)hv, val, (char*)keysv, HEf_SVKEY);
+ mg_copy(MUTABLE_SV(hv), val, (char*)keysv, HEf_SVKEY);
} else {
- mg_copy((SV*)hv, val, key, klen);
+ mg_copy(MUTABLE_SV(hv), val, key, klen);
}
TAINT_IF(save_taint);
return NULL;
}
#ifdef ENV_IS_CASELESS
- else if (mg_find((SV*)hv, PERL_MAGIC_env)) {
+ else if (mg_find((const SV *)hv, PERL_MAGIC_env)) {
/* XXX This code isn't UTF8 clean. */
const char *keysave = key;
/* Will need to free this, so set FREEKEY flag. */
if (!HvARRAY(hv)) {
if ((action & (HV_FETCH_LVALUE | HV_FETCH_ISSTORE))
#ifdef DYNAMIC_ENV_FETCH /* if it's an %ENV lookup, we may get it on the fly */
- || (SvRMAGICAL((SV*)hv) && mg_find((SV*)hv, PERL_MAGIC_env))
+ || (SvRMAGICAL((const SV *)hv)
+ && mg_find((const SV *)hv, PERL_MAGIC_env))
#endif
) {
char *array;
}
}
- if (is_utf8) {
+ if (is_utf8 & !(flags & HVhek_KEYCANONICAL)) {
char * const keysave = (char *)key;
key = (char*)bytes_from_utf8((U8*)key, &klen, &is_utf8);
if (is_utf8)
if (flags & HVhek_FREEKEY)
Safefree(keysave);
flags |= HVhek_WASUTF8 | HVhek_FREEKEY;
+ /* If the caller calculated a hash, it was on the sequence of
+ octets that are the UTF-8 form. We've now changed the sequence
+ of octets stored to that of the equivalent byte representation,
+ so the hash we need is different. */
+ hash = 0;
}
}
}
#ifdef DYNAMIC_ENV_FETCH /* %ENV lookup? If so, try to fetch the value now */
if (!(action & HV_FETCH_ISSTORE)
- && SvRMAGICAL((SV*)hv) && mg_find((SV*)hv, PERL_MAGIC_env)) {
+ && SvRMAGICAL((const SV *)hv)
+ && mg_find((const SV *)hv, PERL_MAGIC_env)) {
unsigned long len;
const char * const env = PerlEnv_ENVgetenv_len(key,&len);
if (env) {
PERL_ARGS_ASSERT_HV_SCALAR;
if (SvRMAGICAL(hv)) {
- MAGIC * const mg = mg_find((SV*)hv, PERL_MAGIC_tied);
+ MAGIC * const mg = mg_find((const SV *)hv, PERL_MAGIC_tied);
if (mg)
return magic_scalarpack(hv, mg);
}
sv = sv_newmortal();
- if (HvFILL((HV*)hv))
+ if (HvFILL((const HV *)hv))
Perl_sv_setpvf(aTHX_ sv, "%ld/%ld",
(long)HvFILL(hv), (long)HvMAX(hv) + 1);
else
return NULL; /* element cannot be deleted */
}
#ifdef ENV_IS_CASELESS
- else if (mg_find((SV*)hv, PERL_MAGIC_env)) {
+ else if (mg_find((const SV *)hv, PERL_MAGIC_env)) {
/* XXX This code isn't UTF8 clean. */
keysv = newSVpvn_flags(key, klen, SVs_TEMP);
if (k_flags & HVhek_FREEKEY) {
}
k_flags |= HVhek_WASUTF8 | HVhek_FREEKEY;
}
- HvHASKFLAGS_on((SV*)hv);
+ HvHASKFLAGS_on(MUTABLE_SV(hv));
}
if (HvREHASH(hv)) {
return;
}
if (SvOOK(hv)) {
- Copy(&a[oldsize * sizeof(HE*)], &a[newsize * sizeof(HE*)], 1, struct xpvhv_aux);
+ Move(&a[oldsize * sizeof(HE*)], &a[newsize * sizeof(HE*)], 1, struct xpvhv_aux);
}
#else
Newx(a, PERL_HV_ARRAY_ALLOC_BYTES(newsize)
return hv;
hv_max = HvMAX(ohv);
- if (!SvMAGICAL((SV *)ohv)) {
+ if (!SvMAGICAL((const SV *)ohv)) {
/* It's an ordinary hash, so copy it fast. AMS 20010804 */
STRLEN i;
const bool shared = !!HvSHAREKEYS(ohv);
Zero(HvARRAY(hv), xhv->xhv_max+1 /* HvMAX(hv)+1 */, HE*);
if (SvRMAGICAL(hv))
- mg_clear((SV*)hv);
+ mg_clear(MUTABLE_SV(hv));
HvHASKFLAGS_off(hv);
HvREHASH_off(hv);
SvREFCNT_dec(iter->xhv_backreferences);
} else {
- sv_magic((SV*)hv, (SV*)iter->xhv_backreferences,
+ sv_magic(MUTABLE_SV(hv),
+ MUTABLE_SV(iter->xhv_backreferences),
PERL_MAGIC_backref, NULL, 0);
}
iter->xhv_backreferences = NULL;
iter->xhv_eiter = NULL; /* HvEITER(hv) = NULL */
if((meta = iter->xhv_mro_meta)) {
- if(meta->mro_linear_dfs) SvREFCNT_dec(meta->mro_linear_dfs);
- if(meta->mro_linear_c3) SvREFCNT_dec(meta->mro_linear_c3);
+ if (meta->mro_linear_all) {
+ SvREFCNT_dec(MUTABLE_SV(meta->mro_linear_all));
+ meta->mro_linear_all = NULL;
+ /* This is just acting as a shortcut pointer. */
+ meta->mro_linear_current = NULL;
+ } else if (meta->mro_linear_current) {
+ /* Only the current MRO is stored, so this owns the data.
+ */
+ SvREFCNT_dec(meta->mro_linear_current);
+ meta->mro_linear_current = NULL;
+ }
if(meta->mro_nextmethod) SvREFCNT_dec(meta->mro_nextmethod);
+ SvREFCNT_dec(meta->isa);
Safefree(meta);
iter->xhv_mro_meta = NULL;
}
HvPLACEHOLDERS_set(hv, 0);
if (SvRMAGICAL(hv))
- mg_clear((SV*)hv);
+ mg_clear(MUTABLE_SV(hv));
}
static struct xpvhv_aux*
if (av) {
HvAUX(hv)->xhv_backreferences = 0;
- Perl_sv_kill_backrefs(aTHX_ (SV*) hv, av);
+ Perl_sv_kill_backrefs(aTHX_ MUTABLE_SV(hv), av);
+ SvREFCNT_dec(av);
}
}
oldentry = entry = iter->xhv_eiter; /* HvEITER(hv) */
if (SvMAGICAL(hv) && SvRMAGICAL(hv)) {
- if ( ( mg = mg_find((SV*)hv, PERL_MAGIC_tied) ) ) {
+ if ( ( mg = mg_find((const SV *)hv, PERL_MAGIC_tied) ) ) {
SV * const key = sv_newmortal();
if (entry) {
sv_setsv(key, HeSVKEY_force(entry));
/* one HE per MAGICAL hash */
iter->xhv_eiter = entry = new_HE(); /* HvEITER(hv) = new_HE() */
Zero(entry, 1, HE);
- Newxz(k, HEK_BASESIZE + sizeof(SV*), char);
+ Newxz(k, HEK_BASESIZE + sizeof(const SV *), char);
hek = (HEK*)k;
HeKEY_hek(entry) = hek;
HeKLEN(entry) = HEf_SVKEY;
}
- magic_nextpack((SV*) hv,mg,key);
+ magic_nextpack(MUTABLE_SV(hv),mg,key);
if (SvOK(key)) {
/* force key to stay around until next time */
HeSVKEY_set(entry, SvREFCNT_inc_simple_NN(key));
}
}
#if defined(DYNAMIC_ENV_FETCH) && !defined(__riscos__) /* set up %ENV for iteration */
- if (!entry && SvRMAGICAL((SV*)hv) && mg_find((SV*)hv, PERL_MAGIC_env)) {
+ if (!entry && SvRMAGICAL((const SV *)hv)
+ && mg_find((const SV *)hv, PERL_MAGIC_env)) {
prime_env_iter();
#ifdef VMS
/* The prime_env_iter() on VMS just loaded up new hash values
PERL_ARGS_ASSERT_HV_ITERVAL;
if (SvRMAGICAL(hv)) {
- if (mg_find((SV*)hv, PERL_MAGIC_tied)) {
+ if (mg_find((const SV *)hv, PERL_MAGIC_tied)) {
SV* const sv = sv_newmortal();
if (HeKLEN(entry) == HEf_SVKEY)
- mg_copy((SV*)hv, sv, (char*)HeKEY_sv(entry), HEf_SVKEY);
+ mg_copy(MUTABLE_SV(hv), sv, (char*)HeKEY_sv(entry), HEf_SVKEY);
else
- mg_copy((SV*)hv, sv, HeKEY(entry), HeKLEN(entry));
+ mg_copy(MUTABLE_SV(hv), sv, HeKEY(entry), HeKLEN(entry));
return sv;
}
}
Perl_hv_placeholders_p(pTHX_ HV *hv)
{
dVAR;
- MAGIC *mg = mg_find((SV*)hv, PERL_MAGIC_rhash);
+ MAGIC *mg = mg_find((const SV *)hv, PERL_MAGIC_rhash);
PERL_ARGS_ASSERT_HV_PLACEHOLDERS_P;
if (!mg) {
- mg = sv_magicext((SV*)hv, 0, PERL_MAGIC_rhash, 0, 0, 0);
+ mg = sv_magicext(MUTABLE_SV(hv), 0, PERL_MAGIC_rhash, 0, 0, 0);
if (!mg) {
Perl_die(aTHX_ "panic: hv_placeholders_p");
I32
-Perl_hv_placeholders_get(pTHX_ HV *hv)
+Perl_hv_placeholders_get(pTHX_ const HV *hv)
{
dVAR;
- MAGIC * const mg = mg_find((SV*)hv, PERL_MAGIC_rhash);
+ MAGIC * const mg = mg_find((const SV *)hv, PERL_MAGIC_rhash);
PERL_ARGS_ASSERT_HV_PLACEHOLDERS_GET;
Perl_hv_placeholders_set(pTHX_ HV *hv, I32 ph)
{
dVAR;
- MAGIC * const mg = mg_find((SV*)hv, PERL_MAGIC_rhash);
+ MAGIC * const mg = mg_find((const SV *)hv, PERL_MAGIC_rhash);
PERL_ARGS_ASSERT_HV_PLACEHOLDERS_SET;
if (mg) {
mg->mg_len = ph;
} else if (ph) {
- if (!sv_magicext((SV*)hv, 0, PERL_MAGIC_rhash, 0, 0, ph))
+ if (!sv_magicext(MUTABLE_SV(hv), 0, PERL_MAGIC_rhash, 0, 0, ph))
Perl_die(aTHX_ "panic: hv_placeholders_set");
}
/* else we don't need to add magic to record 0 placeholders. */
/* Just to be awkward, if you're using this interface the UTF-8-or-not-ness
of your key has to exactly match that which is stored. */
SV *value = &PL_sv_placeholder;
- bool is_utf8;
- if (keysv) {
- if (flags & HVhek_FREEKEY)
- Safefree(key);
- key = SvPV_const(keysv, klen);
- flags = 0;
- is_utf8 = (SvUTF8(keysv) != 0);
- } else {
- is_utf8 = ((flags & HVhek_UTF8) ? TRUE : FALSE);
- }
+ if (chain) {
+ /* No point in doing any of this if there's nothing to find. */
+ bool is_utf8;
- if (!hash) {
- if (keysv && (SvIsCOW_shared_hash(keysv))) {
- hash = SvSHARED_HASH(keysv);
- } else {
- PERL_HASH(hash, key, klen);
- }
- }
+ if (keysv) {
+ if (flags & HVhek_FREEKEY)
+ Safefree(key);
+ key = SvPV_const(keysv, klen);
+ flags = 0;
+ is_utf8 = (SvUTF8(keysv) != 0);
+ } else {
+ is_utf8 = ((flags & HVhek_UTF8) ? TRUE : FALSE);
+ }
- for (; chain; chain = chain->refcounted_he_next) {
+ if (!hash) {
+ if (keysv && (SvIsCOW_shared_hash(keysv))) {
+ hash = SvSHARED_HASH(keysv);
+ } else {
+ PERL_HASH(hash, key, klen);
+ }
+ }
+
+ for (; chain; chain = chain->refcounted_he_next) {
#ifdef USE_ITHREADS
- if (hash != chain->refcounted_he_hash)
- continue;
- if (klen != chain->refcounted_he_keylen)
- continue;
- if (memNE(REF_HE_KEY(chain),key,klen))
- continue;
- if (!!is_utf8 != !!(chain->refcounted_he_data[0] & HVhek_UTF8))
- continue;
+ if (hash != chain->refcounted_he_hash)
+ continue;
+ if (klen != chain->refcounted_he_keylen)
+ continue;
+ if (memNE(REF_HE_KEY(chain),key,klen))
+ continue;
+ if (!!is_utf8 != !!(chain->refcounted_he_data[0] & HVhek_UTF8))
+ continue;
#else
- if (hash != HEK_HASH(chain->refcounted_he_hek))
- continue;
- if (klen != (STRLEN)HEK_LEN(chain->refcounted_he_hek))
- continue;
- if (memNE(HEK_KEY(chain->refcounted_he_hek),key,klen))
- continue;
- if (!!is_utf8 != !!HEK_UTF8(chain->refcounted_he_hek))
- continue;
+ if (hash != HEK_HASH(chain->refcounted_he_hek))
+ continue;
+ if (klen != (STRLEN)HEK_LEN(chain->refcounted_he_hek))
+ continue;
+ if (memNE(HEK_KEY(chain->refcounted_he_hek),key,klen))
+ continue;
+ if (!!is_utf8 != !!HEK_UTF8(chain->refcounted_he_hek))
+ continue;
#endif
- value = sv_2mortal(refcounted_he_value(chain));
- break;
+ value = sv_2mortal(refcounted_he_value(chain));
+ break;
+ }
}
if (flags & HVhek_FREEKEY)
Perl_refcounted_he_new(pTHX_ struct refcounted_he *const parent,
SV *const key, SV *const value) {
dVAR;
- struct refcounted_he *he;
STRLEN key_len;
const char *key_p = SvPV_const(key, key_len);
STRLEN value_len = 0;
const char *value_p = NULL;
char value_type;
char flags;
- STRLEN key_offset;
- U32 hash;
bool is_utf8 = SvUTF8(key) ? TRUE : FALSE;
if (SvPOK(value)) {
value_type = HVrhek_PV;
} else if (SvIOK(value)) {
- value_type = HVrhek_IV;
+ value_type = SvUOK((const SV *)value) ? HVrhek_UV : HVrhek_IV;
} else if (value == &PL_sv_placeholder) {
value_type = HVrhek_delete;
} else if (!SvOK(value)) {
}
if (value_type == HVrhek_PV) {
+ /* Do it this way so that the SvUTF8() test is after the SvPV, in case
+ the value is overloaded, and doesn't yet have the UTF-8flag set. */
value_p = SvPV_const(value, value_len);
- key_offset = value_len + 2;
- } else {
- value_len = 0;
- key_offset = 1;
+ if (SvUTF8(value))
+ value_type = HVrhek_PV_UTF8;
}
+ flags = value_type;
+
+ if (is_utf8) {
+ /* Hash keys are always stored normalised to (yes) ISO-8859-1.
+ As we're going to be building hash keys from this value in future,
+ normalise it now. */
+ key_p = (char*)bytes_from_utf8((const U8*)key_p, &key_len, &is_utf8);
+ flags |= is_utf8 ? HVhek_UTF8 : HVhek_WASUTF8;
+ }
+
+ return refcounted_he_new_common(parent, key_p, key_len, flags, value_type,
+ ((value_type == HVrhek_PV
+ || value_type == HVrhek_PV_UTF8) ?
+ (void *)value_p : (void *)value),
+ value_len);
+}
+
+static struct refcounted_he *
+S_refcounted_he_new_common(pTHX_ struct refcounted_he *const parent,
+ const char *const key_p, const STRLEN key_len,
+ const char flags, char value_type,
+ const void *value, const STRLEN value_len) {
+ dVAR;
+ struct refcounted_he *he;
+ U32 hash;
+ const bool is_pv = value_type == HVrhek_PV || value_type == HVrhek_PV_UTF8;
+ STRLEN key_offset = is_pv ? value_len + 2 : 1;
+
+ PERL_ARGS_ASSERT_REFCOUNTED_HE_NEW_COMMON;
#ifdef USE_ITHREADS
he = (struct refcounted_he*)
+ key_offset);
#endif
-
he->refcounted_he_next = parent;
- if (value_type == HVrhek_PV) {
- Copy(value_p, he->refcounted_he_data + 1, value_len + 1, char);
+ if (is_pv) {
+ Copy((char *)value, he->refcounted_he_data + 1, value_len + 1, char);
he->refcounted_he_val.refcounted_he_u_len = value_len;
- /* Do it this way so that the SvUTF8() test is after the SvPV, in case
- the value is overloaded, and doesn't yet have the UTF-8flag set. */
- if (SvUTF8(value))
- value_type = HVrhek_PV_UTF8;
} else if (value_type == HVrhek_IV) {
- if (SvUOK(value)) {
- he->refcounted_he_val.refcounted_he_u_uv = SvUVX(value);
- value_type = HVrhek_UV;
- } else {
- he->refcounted_he_val.refcounted_he_u_iv = SvIVX(value);
- }
+ he->refcounted_he_val.refcounted_he_u_iv = SvIVX((const SV *)value);
+ } else if (value_type == HVrhek_UV) {
+ he->refcounted_he_val.refcounted_he_u_uv = SvUVX((const SV *)value);
}
- flags = value_type;
- if (is_utf8) {
- /* Hash keys are always stored normalised to (yes) ISO-8859-1.
- As we're going to be building hash keys from this value in future,
- normalise it now. */
- key_p = (char*)bytes_from_utf8((const U8*)key_p, &key_len, &is_utf8);
- flags |= is_utf8 ? HVhek_UTF8 : HVhek_WASUTF8;
- }
PERL_HASH(hash, key_p, key_len);
#ifdef USE_ITHREADS
}
}
+const char *
+Perl_fetch_cop_label(pTHX_ struct refcounted_he *const chain, STRLEN *len,
+ U32 *flags) {
+ if (!chain)
+ return NULL;
+#ifdef USE_ITHREADS
+ if (chain->refcounted_he_keylen != 1)
+ return NULL;
+ if (*REF_HE_KEY(chain) != ':')
+ return NULL;
+#else
+ if ((STRLEN)HEK_LEN(chain->refcounted_he_hek) != 1)
+ return NULL;
+ if (*HEK_KEY(chain->refcounted_he_hek) != ':')
+ return NULL;
+#endif
+ /* Stop anyone trying to really mess us up by adding their own value for
+ ':' into %^H */
+ if ((chain->refcounted_he_data[0] & HVrhek_typemask) != HVrhek_PV
+ && (chain->refcounted_he_data[0] & HVrhek_typemask) != HVrhek_PV_UTF8)
+ return NULL;
+
+ if (len)
+ *len = chain->refcounted_he_val.refcounted_he_u_len;
+ if (flags) {
+ *flags = ((chain->refcounted_he_data[0] & HVrhek_typemask)
+ == HVrhek_PV_UTF8) ? SVf_UTF8 : 0;
+ }
+ return chain->refcounted_he_data + 1;
+}
+
+/* As newSTATEOP currently gets passed plain char* labels, we will only provide
+ that interface. Once it works out how to pass in length and UTF-8 ness, this
+ function will need superseding. */
+struct refcounted_he *
+Perl_store_cop_label(pTHX_ struct refcounted_he *const chain, const char *label)
+{
+ PERL_ARGS_ASSERT_STORE_COP_LABEL;
+
+ return refcounted_he_new_common(chain, ":", 1, HVrhek_PV, HVrhek_PV,
+ label, strlen(label));
+}
+
/*
=for apidoc hv_assert
} else if (HeKWASUTF8(entry))
withflags++;
}
- if (!SvTIED_mg((SV*)hv, PERL_MAGIC_tied)) {
+ if (!SvTIED_mg((const SV *)hv, PERL_MAGIC_tied)) {
static const char bad_count[] = "Count %d %s(s), but hash reports %d\n";
const int nhashkeys = HvUSEDKEYS(hv);
const int nhashplaceholders = HvPLACEHOLDERS_get(hv);
bad = 1;
}
if (bad) {
- sv_dump((SV *)hv);
+ sv_dump(MUTABLE_SV(hv));
}
HvRITER_set(hv, riter); /* Restore hash iterator state */
HvEITER_set(hv, eiter);
https://perl5.git.perl.org / perl5.git / blobdiff