#ifdef DEBUGGING
SvREFCNT(sv) = 0;
#endif
- /* Must always set typemask because it's awlays checked in on cleanup
+ /* Must always set typemask because it's always checked in on cleanup
when the arenas are walked looking for objects. */
SvFLAGS(sv) = SVTYPEMASK;
sv++;
SvOBJECT(GvSV(sv))) ||
(GvAV(sv) && SvOBJECT(GvAV(sv))) ||
(GvHV(sv) && SvOBJECT(GvHV(sv))) ||
- (GvIO(sv) && GvIOp(sv) && SvOBJECT(GvIO(sv))) || /* In certain rare cases GvIOP(sv) can be NULL, which would make SvOBJECT(GvIO(sv)) dereference NULL. */
+ /* In certain rare cases GvIOp(sv) can be NULL, which would make SvOBJECT(GvIO(sv)) dereference NULL. */
+ (GvIO(sv) ? (SvFLAGS(GvIOp(sv)) & SVs_OBJECT) : 0) ||
(GvCV(sv) && SvOBJECT(GvCV(sv))) )
{
DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning named glob object:\n "), sv_dump(sv)));
/* and won't be needed again, potentially */
!(PL_op && PL_op->op_type == OP_AASSIGN))
#ifdef PERL_OLD_COPY_ON_WRITE
- && !((sflags & CAN_COW_MASK) == CAN_COW_FLAGS
- && (SvFLAGS(dstr) & CAN_COW_MASK) == CAN_COW_FLAGS
- && SvTYPE(sstr) >= SVt_PVIV)
+ && ((flags & SV_COW_SHARED_HASH_KEYS)
+ ? (!((sflags & CAN_COW_MASK) == CAN_COW_FLAGS
+ && (SvFLAGS(dstr) & CAN_COW_MASK) == CAN_COW_FLAGS
+ && SvTYPE(sstr) >= SVt_PVIV))
+ : 1)
#endif
) {
/* Failed the swipe test, and it's not a shared hash key either.
if (PL_utf8cache) {
STRLEN ulen;
- MAGIC *mg = SvMAGICAL(sv) ? mg_find(sv, PERL_MAGIC_utf8) : 0;
+ MAGIC *mg = SvMAGICAL(sv) ? mg_find(sv, PERL_MAGIC_utf8) : NULL;
if (mg && mg->mg_len != -1) {
ulen = mg->mg_len;
Creates a new SV with its SvPVX_const pointing to a shared string in the string
table. If the string does not already exist in the table, it is created
-first. Turns on READONLY and FAKE. The string's hash is stored in the UV
-slot of the SV; if the C<hash> parameter is non-zero, that value is used;
-otherwise the hash is computed. The idea here is that as the string table
-is used for shared hash keys these strings will have SvPVX_const == HeKEY and
-hash lookup will avoid string compare.
+first. Turns on READONLY and FAKE. If the C<hash> parameter is non-zero, that
+value is used; otherwise the hash is computed. The string's hash can be later
+be retrieved from the SV with the C<SvSHARED_HASH()> macro. The idea here is
+that as the string table is used for shared hash keys these strings will have
+SvPVX_const == HeKEY and hash lookup will avoid string compare.
=cut
*/
/*
=for apidoc newSV_type
-Creates a new SV, of the type specificied. The reference count for the new SV
+Creates a new SV, of the type specified. The reference count for the new SV
is set to 1.
=cut
: SvNV(argsv);
need = 0;
- if (c != 'e' && c != 'E') {
+ /* nv * 0 will be NaN for NaN, +Inf and -Inf, and 0 for anything
+ else. frexp() has some unspecified behaviour for those three */
+ if (c != 'e' && c != 'E' && (nv * 0) == 0) {
i = PERL_INT_MIN;
/* FIXME: if HAS_LONG_DOUBLE but not USE_LONG_DOUBLE this
will cast our (long double) to (double) */
All the macros and functions in this section are for the private use of
the main function, perl_clone().
-The foo_dup() functions make an exact copy of an existing foo thinngy.
+The foo_dup() functions make an exact copy of an existing foo thingy.
During the course of a cloning, a hash table is used to map old addresses
to new addresses. The table is created and manipulated with the
ptr_table_* functions.
PL_savestack_ix = 0;
PL_savestack_max = -1;
PL_sig_pending = 0;
+ PL_parser = NULL;
Zero(&PL_debug_pad, 1, struct perl_debug_pad);
# else /* !DEBUGGING */
Zero(my_perl, 1, PerlInterpreter);
PL_savestack_ix = 0;
PL_savestack_max = -1;
PL_sig_pending = 0;
+ PL_parser = NULL;
Zero(&PL_debug_pad, 1, struct perl_debug_pad);
# else /* !DEBUGGING */
Zero(my_perl, 1, PerlInterpreter);
PL_sub_generation = proto_perl->Isub_generation;
PL_isarev = hv_dup_inc(proto_perl->Iisarev, param);
- PL_delayedisa = hv_dup_inc(proto_perl->Idelayedisa, param);
/* funky return mechanisms */
PL_forkprocess = proto_perl->Iforkprocess;
PL_runops = proto_perl->Irunops;
-#ifdef CSH
- PL_cshlen = proto_perl->Icshlen;
- PL_cshname = proto_perl->Icshname; /* XXX never deallocated */
-#endif
-
PL_parser = parser_dup(proto_perl->Iparser, param);
PL_subline = proto_perl->Isubline;
match = 1; /* XS or custom code could trigger random warnings */
goto do_op;
+ case OP_POS:
+ /* def-ness of rval pos() is independent of the def-ness of its arg */
+ if ( !(obase->op_flags & OPf_MOD))
+ break;
+
case OP_SCHOMP:
case OP_CHOMP:
if (SvROK(PL_rs) && uninit_sv == SvRV(PL_rs))
projects / p5sagit/p5-mst-13.2.git / blobdiff