static SV *new_opset (pTHX_ SV *old_opset);
static int verify_opset (pTHX_ SV *opset, int fatal);
-static void set_opset_bits (pTHX_ char *bitmap, SV *bitspec, int on, char *opname);
-static void put_op_bitspec (pTHX_ char *optag, STRLEN len, SV *opset);
-static SV *get_op_bitspec (pTHX_ char *opname, STRLEN len, int fatal);
+static void set_opset_bits (pTHX_ char *bitmap, SV *bitspec, int on, const char *opname);
+static void put_op_bitspec (pTHX_ const char *optag, STRLEN len, SV *opset);
+static SV *get_op_bitspec (pTHX_ const char *opname, STRLEN len, int fatal);
/* Initialise our private op_named_bits HV.
op_named_bits = newHV();
op_names = get_op_names();
for(i=0; i < PL_maxo; ++i) {
- SV *sv;
- sv = newSViv(i);
+ SV * const sv = newSViv(i);
SvREADONLY_on(sv);
hv_store(op_named_bits, op_names[i], strlen(op_names[i]), sv, 0);
}
*/
static void
-put_op_bitspec(pTHX_ char *optag, STRLEN len, SV *mask)
+put_op_bitspec(pTHX_ const char *optag, STRLEN len, SV *mask)
{
SV **svp;
dMY_CXT;
*/
static SV *
-get_op_bitspec(pTHX_ char *opname, STRLEN len, int fatal)
+get_op_bitspec(pTHX_ const char *opname, STRLEN len, int fatal)
{
SV **svp;
dMY_CXT;
opset = newSVsv(old_opset);
}
else {
- opset = NEWSV(1156, opset_len);
- Zero(SvPVX(opset), opset_len + 1, char);
+ opset = newSV(opset_len);
+ Zero(SvPVX_const(opset), opset_len + 1, char);
SvCUR_set(opset, opset_len);
(void)SvPOK_only(opset);
}
static int
verify_opset(pTHX_ SV *opset, int fatal)
{
- char *err = Nullch;
+ const char *err = NULL;
dMY_CXT;
if (!SvOK(opset)) err = "undefined";
else if (!SvPOK(opset)) err = "wrong type";
- else if (SvCUR(opset) != opset_len) err = "wrong size";
+ else if (SvCUR(opset) != (STRLEN)opset_len) err = "wrong size";
if (err && fatal) {
croak("Invalid opset: %s", err);
}
static void
-set_opset_bits(pTHX_ char *bitmap, SV *bitspec, int on, char *opname)
+set_opset_bits(pTHX_ char *bitmap, SV *bitspec, int on, const char *opname)
{
dMY_CXT;
if (SvIOK(bitspec)) {
- int myopcode = SvIV(bitspec);
- int offset = myopcode >> 3;
- int bit = myopcode & 0x07;
+ const int myopcode = SvIV(bitspec);
+ const int offset = myopcode >> 3;
+ const int bit = myopcode & 0x07;
if (myopcode >= PL_maxo || myopcode < 0)
croak("panic: opcode \"%s\" value %d is invalid", opname, myopcode);
if (opcode_debug >= 2)
else
bitmap[offset] &= ~(1 << bit);
}
- else if (SvPOK(bitspec) && SvCUR(bitspec) == opset_len) {
+ else if (SvPOK(bitspec) && SvCUR(bitspec) == (STRLEN)opset_len) {
STRLEN len;
- char *specbits = SvPV(bitspec, len);
+ const char * const specbits = SvPV(bitspec, len);
if (opcode_debug >= 2)
warn("set_opset_bits opset %s %s\n", opname, (on)?"on":"off");
if (on)
bitmask = SvPV(opset, len);
for (i=0; i < opset_len; i++) {
- U16 bits = bitmask[i];
+ const U16 bits = bitmask[i];
if (!bits) { /* optimise for sparse masks */
myopcode += 8;
continue;
void
_safe_pkg_prep(Package)
- char * Package
+ const char *Package
PPCODE:
HV *hv;
ENTER;
hv = gv_stashpv(Package, GV_ADDWARN); /* should exist already */
- if (strNE(HvNAME(hv),"main")) {
- Safefree(HvNAME(hv));
- HvNAME(hv) = savepv("main"); /* make it think it's in main:: */
+ if (strNE(HvNAME_get(hv),"main")) {
+ /* make it think it's in main:: */
+ hv_name_set(hv, "main", 4, 0);
hv_store(hv,"_",1,(SV *)PL_defgv,0); /* connect _ to global */
SvREFCNT_inc((SV *)PL_defgv); /* want to keep _ around! */
}
PPCODE:
char op_mask_buf[OP_MASK_BUF_SIZE];
GV *gv;
+ HV *dummy_hv;
ENTER;
GvHV(gv) = (HV*)SvREFCNT_inc(PL_defstash);
/* %INC must be clean for use/require in compartment */
- save_hash(PL_incgv);
- sv_free((SV*)GvHV(PL_incgv)); /* get rid of what save_hash gave us*/
+ dummy_hv = save_hash(PL_incgv);
GvHV(PL_incgv) = (HV*)SvREFCNT_inc(GvHV(gv_HVadd(gv_fetchpv("INC",TRUE,SVt_PVHV))));
+ /* Invalidate ISA and method caches */
+ ++PL_sub_generation;
+ hv_clear(PL_stashcache);
+
PUSHMARK(SP);
perl_call_sv(codesv, GIMME|G_EVAL|G_KEEPERR); /* use callers context */
+ sv_free( (SV *) dummy_hv); /* get rid of what save_hash gave us*/
SPAGAIN; /* for the PUTBACK added by xsubpp */
LEAVE;
{
STRLEN len;
int i, j, myopcode;
- char *bitmap = SvPV(opset, len);
+ const char * const bitmap = SvPV(opset, len);
char **names = (desc) ? get_op_descs() : get_op_names();
dMY_CXT;
verify_opset(aTHX_ opset,1);
for (myopcode=0, i=0; i < opset_len; i++) {
- U16 bits = bitmap[i];
+ const U16 bits = bitmap[i];
for (j=0; j < 8 && myopcode < PL_maxo; j++, myopcode++) {
if ( bits & (1 << j) )
XPUSHs(sv_2mortal(newSVpv(names[myopcode], 0)));
opset(...)
CODE:
int i;
- SV *bitspec, *opset;
- char *bitmap;
+ SV *bitspec;
STRLEN len, on;
- opset = sv_2mortal(new_opset(aTHX_ Nullsv));
- bitmap = SvPVX(opset);
+ SV * const opset = sv_2mortal(new_opset(aTHX_ Nullsv));
+ char * const bitmap = SvPVX(opset);
for (i = 0; i < items; i++) {
- char *opname;
+ const char *opname;
on = 1;
if (verify_opset(aTHX_ ST(i),0)) {
opname = "(opset)";
deny_only = 2
deny = 3
CODE:
- int i, on;
+ int i;
SV *bitspec, *mask;
- char *bitmap, *opname;
+ char *bitmap;
STRLEN len;
dMY_CXT;
verify_opset(aTHX_ mask,1); /* croaks */
bitmap = SvPVX(mask);
for (i = 1; i < items; i++) {
- on = PERMITING ? 0 : 1; /* deny = mask bit on */
+ const char *opname;
+ int on = PERMITING ? 0 : 1; /* deny = mask bit on */
if (verify_opset(aTHX_ ST(i),0)) { /* it's a valid mask */
opname = "(opset)";
bitspec = ST(i);
void
opdesc(...)
PPCODE:
- int i, myopcode;
+ int i;
STRLEN len;
SV **args;
char **op_desc = get_op_descs();
/* the stack faster than we read values off it if masks are used. */
args = (SV**)SvPVX(sv_2mortal(newSVpvn((char*)&ST(0), items*sizeof(SV*))));
for (i = 0; i < items; i++) {
- char *opname = SvPV(args[i], len);
+ const char * const opname = SvPV(args[i], len);
SV *bitspec = get_op_bitspec(aTHX_ opname, len, 1);
if (SvIOK(bitspec)) {
- myopcode = SvIV(bitspec);
+ const int myopcode = SvIV(bitspec);
if (myopcode < 0 || myopcode >= PL_maxo)
croak("panic: opcode %d (%s) out of range",myopcode,opname);
XPUSHs(sv_2mortal(newSVpv(op_desc[myopcode], 0)));
}
- else if (SvPOK(bitspec) && SvCUR(bitspec) == opset_len) {
+ else if (SvPOK(bitspec) && SvCUR(bitspec) == (STRLEN)opset_len) {
int b, j;
- STRLEN n_a;
- char *bitmap = SvPV(bitspec,n_a);
- myopcode = 0;
+ const char * const bitmap = SvPV_nolen_const(bitspec);
+ int myopcode = 0;
for (b=0; b < opset_len; b++) {
- U16 bits = bitmap[b];
+ const U16 bits = bitmap[b];
for (j=0; j < 8 && myopcode < PL_maxo; j++, myopcode++)
if (bits & (1 << j))
XPUSHs(sv_2mortal(newSVpv(op_desc[myopcode], 0)));
SV *mask
CODE:
STRLEN len;
- char *optag = SvPV(optagsv, len);
+ const char *optag = SvPV(optagsv, len);
put_op_bitspec(aTHX_ optag, len, mask); /* croaks */
ST(0) = &PL_sv_yes;
SV *opset
PREINIT:
if (!PL_op_mask)
- Newz(0, PL_op_mask, PL_maxo, char);
+ Newxz(PL_op_mask, PL_maxo, char);
CODE:
opmask_add(aTHX_ opset);
CODE:
ST(0) = sv_2mortal(new_opset(aTHX_ Nullsv));
if (PL_op_mask) {
- char *bitmap = SvPVX(ST(0));
+ char * const bitmap = SvPVX(ST(0));
int myopcode;
for(myopcode=0; myopcode < PL_maxo; ++myopcode) {
if (PL_op_mask[myopcode])