#define del_SV(p) \
STMT_START { \
LOCK_SV_MUTEX; \
- if (PL_debug & 32768) \
+ if (DEBUG_D_TEST) \
del_sv(p); \
else \
plant_SV(p); \
STATIC void
S_del_sv(pTHX_ SV *p)
{
- if (PL_debug & 32768) {
+ if (DEBUG_D_TEST) {
SV* sva;
SV* sv;
SV* svend;
char *
Perl_sv_2pvbyte(pTHX_ register SV *sv, STRLEN *lp)
{
- return sv_2pv(sv,lp);
+ sv_utf8_downgrade(sv,0);
+ return SvPV(sv,*lp);
}
char *
=for apidoc sv_utf8_upgrade
Convert the PV of an SV to its UTF8-encoded form.
+Forces the SV to string form it it is not already.
+Always sets the SvUTF8 flag to avoid future validity checks even
+if all the bytes have hibit clear.
=cut
*/
-void
+STRLEN
Perl_sv_utf8_upgrade(pTHX_ register SV *sv)
{
char *s, *t, *e;
int hibit = 0;
- if (!sv || !SvPOK(sv) || SvUTF8(sv))
- return;
+ if (!sv)
+ return 0;
+
+ if (!SvPOK(sv))
+ (void) SvPV_nolen(sv);
+
+ if (SvUTF8(sv))
+ return SvCUR(sv);
/* This function could be much more efficient if we had a FLAG in SVs
* to signal if there are any hibit chars in the PV.
if (SvLEN(sv) != 0)
Safefree(s); /* No longer using what was there before. */
SvLEN(sv) = len; /* No longer know the real size. */
- SvUTF8_on(sv);
}
+ /* Mark as UTF-8 even if no hibit - saves scanning loop */
+ SvUTF8_on(sv);
+ return SvCUR(sv);
}
/*
=for apidoc sv_utf8_encode
Convert the PV of an SV to UTF8-encoded, but then turn off the C<SvUTF8>
-flag so that it looks like bytes again. Nothing calls this.
+flag so that it looks like octets again. Used as a building block
+for encode_utf8 in Encode.xs
=cut
*/
void
Perl_sv_utf8_encode(pTHX_ register SV *sv)
{
- sv_utf8_upgrade(sv);
+ (void) sv_utf8_upgrade(sv);
SvUTF8_off(sv);
}
+/*
+=for apidoc sv_utf8_decode
+
+Convert the octets in the PV from UTF-8 to chars. Scan for validity and then
+turn of SvUTF8 if needed so that we see characters. Used as a building block
+for decode_utf8 in Encode.xs
+
+=cut
+*/
+
+
+
bool
Perl_sv_utf8_decode(pTHX_ register SV *sv)
{
if (SvPOK(sv)) {
char *c;
char *e;
- bool has_utf = FALSE;
+
+ /* The octets may have got themselves encoded - get them back as bytes */
if (!sv_utf8_downgrade(sv, TRUE))
return FALSE;
if (!GvCVGEN((GV*)dstr) &&
(CvROOT(cv) || CvXSUB(cv)))
{
- SV *const_sv;
/* ahem, death to those who redefine
* active sort subs */
if (PL_curstackinfo->si_type == PERLSI_SORT &&
if (sflags & SVf_IOK)
(void)SvIOK_only(dstr);
else {
- SvOK_off(dstr);
- SvIOKp_on(dstr);
+ (void)SvOK_off(dstr);
+ (void)SvIOKp_on(dstr);
}
/* XXXX Do we want to set IsUV for IV(ROK)? Be extra safe... */
if (sflags & SVf_IVisUV)
if (sflags & SVf_NOK)
(void)SvNOK_only(dstr);
else {
- SvOK_off(dstr);
+ (void)SvOK_off(dstr);
SvNOKp_on(dstr);
}
SvNVX(dstr) = SvNVX(sstr);
}
Newz(702,mg, 1, MAGIC);
mg->mg_moremagic = SvMAGIC(sv);
-
SvMAGIC(sv) = mg;
- if (!obj || obj == sv || how == '#' || how == 'r')
+
+ /* Some magic sontains a reference loop, where the sv and object refer to
+ each other. To prevent a avoid a reference loop that would prevent such
+ objects being freed, we look for such loops and if we find one we avoid
+ incrementing the object refcount. */
+ if (!obj || obj == sv || how == '#' || how == 'r' ||
+ (SvTYPE(obj) == SVt_PVGV &&
+ (GvSV(obj) == sv || GvHV(obj) == (HV*)sv || GvAV(obj) == (AV*)sv ||
+ GvCV(obj) == (CV*)sv || GvIOp(obj) == (IO*)sv ||
+ GvFORM(obj) == (CV*)sv)))
+ {
mg->mg_obj = obj;
+ }
else {
mg->mg_obj = SvREFCNT_inc(obj);
mg->mg_flags |= MGf_REFCOUNTED;
}
mg->mg_type = how;
mg->mg_len = namlen;
- if (name)
+ if (name) {
if (namlen >= 0)
mg->mg_ptr = savepvn(name, namlen);
else if (namlen == HEf_SVKEY)
mg->mg_ptr = (char*)SvREFCNT_inc((SV*)name);
+ }
switch (how) {
case 0:
*mgp = mg->mg_moremagic;
if (vtbl && vtbl->svt_free)
CALL_FPTR(vtbl->svt_free)(aTHX_ sv, mg);
- if (mg->mg_ptr && mg->mg_type != 'g')
+ if (mg->mg_ptr && mg->mg_type != 'g') {
if (mg->mg_len >= 0)
Safefree(mg->mg_ptr);
else if (mg->mg_len == HEf_SVKEY)
SvREFCNT_dec((SV*)mg->mg_ptr);
+ }
if (mg->mg_flags & MGf_REFCOUNTED)
SvREFCNT_dec(mg->mg_obj);
Safefree(mg);
if (SvOBJECT(sv)) {
if (PL_defstash) { /* Still have a symbol table? */
- djSP;
+ dSP;
CV* destructor;
SV tmpref;
len = 0;
while (s < send) {
STRLEN n;
-
- if (utf8_to_uv(s, UTF8SKIP(s), &n, 0)) {
+ /* We can use low level directly here as we are not looking at the values */
+ if (utf8n_to_uvuni(s, UTF8SKIP(s), &n, 0)) {
s += n;
len++;
}
if (SvUTF8(sv1)) {
char *pv = (char*)bytes_from_utf8((U8*)pv1, &cur1, &is_utf8);
- if (is_utf8)
- return 0;
- pv1tmp = (pv != pv1);
- pv1 = pv;
+
+ if ((pv1tmp = (pv != pv1)))
+ pv1 = pv;
}
else {
char *pv = (char *)bytes_from_utf8((U8*)pv2, &cur2, &is_utf8);
- if (is_utf8)
- return 0;
- pv2tmp = (pv != pv2);
- pv2 = pv;
+
+ if ((pv2tmp = (pv != pv2)))
+ pv2 = pv;
}
}
len = -len;
is_utf8 = TRUE;
}
- if (is_utf8 && !(PL_hints & HINT_UTF8_DISTINCT))
- src = (char*)bytes_from_utf8((U8*)src, (STRLEN*)&len, &is_utf8);
+ if (is_utf8 && !(PL_hints & HINT_UTF8_DISTINCT)) {
+ STRLEN tmplen = len;
+ /* See the note in hv.c:hv_fetch() --jhi */
+ src = (char*)bytes_from_utf8((U8*)src, &tmplen, &is_utf8);
+ len = tmplen;
+ }
if (!hash)
PERL_HASH(hash, src, len);
new_SV(sv);
}
/*
+=for apidoc sv_setref_uv
+
+Copies an unsigned integer into a new SV, optionally blessing the SV. The C<rv>
+argument will be upgraded to an RV. That RV will be modified to point to
+the new SV. The C<classname> argument indicates the package for the
+blessing. Set C<classname> to C<Nullch> to avoid the blessing. The new SV
+will be returned and will have a reference count of 1.
+
+=cut
+*/
+
+SV*
+Perl_sv_setref_uv(pTHX_ SV *rv, const char *classname, UV uv)
+{
+ sv_setuv(newSVrv(rv,classname), uv);
+ return rv;
+}
+
+/*
=for apidoc sv_setref_nv
Copies a double into a new SV, optionally blessing the SV. The C<rv>
q++;
if (vectorize)
goto unknown;
- if (vectorarg = asterisk) {
+ if ((vectorarg = asterisk)) {
evix = ewix;
ewix = 0;
asterisk = FALSE;
uv = args ? va_arg(*args, int) : SvIVx(argsv);
if ((uv > 255 || (uv > 127 && SvUTF8(sv))) && !IN_BYTE) {
eptr = (char*)utf8buf;
- elen = uv_to_utf8((U8*)eptr, uv) - utf8buf;
+ elen = uvchr_to_utf8((U8*)eptr, uv) - utf8buf;
is_utf = TRUE;
}
else {
if (!veclen)
continue;
if (vec_utf)
- iv = (IV)utf8_to_uv(vecstr, veclen, &ulen, 0);
+ iv = (IV)utf8n_to_uvchr(vecstr, veclen, &ulen, 0);
else {
iv = *vecstr;
ulen = 1;
if (!veclen)
continue;
if (vec_utf)
- uv = utf8_to_uv(vecstr, veclen, &ulen, 0);
+ uv = utf8n_to_uvchr(vecstr, veclen, &ulen, 0);
else {
uv = *vecstr;
ulen = 1;
return Nullsv;
}
- /*
+ /*
* write attempts will die with
* "Modification of a read-only value attempted"
*/