static amf0_data_t* _amf0_data(SV* sv) {
amf0_data_t* d;
if (NULL == sv || !SvOK(sv)) {
d = (amf0_data_t*)amf0_null_init();
}
else if (SvPOKp(sv)) {
STRLEN len;
char* c = SvPV(sv, len);
d = (amf0_data_t*)amf0_string_init_len(c, len);
}
else if (SvNOKp(sv)) {
d = (amf0_data_t*)amf0_number_init((double)SvNVX(sv));
}
else if (SvIOK_UV(sv)) {
d = (amf0_data_t*)amf0_number_init((double)SvUV(sv));
}
else if (SvIOKp(sv)) {
d = (amf0_data_t*)amf0_number_init((double)SvIV(sv));
}
else if (SvROK(sv)) {
d = _amf0_data_rv(SvRV(sv));
}
else {
Perl_croak(aTHX_ "Data::AMF::XS doesn't support SvTYPE: %d\n", SvTYPE(sv));
}
return d;
}
static void
modify_timer_perl(plcb_IOPROCS *async, plcb_EVENT *cevent, uint32_t usecs,
int action)
{
SvNVX(async->usec_sv) = (double) usecs / 1000000;
SvIVX(async->action_sv) = action;
cb_args_noret(async->cv_timermod, 0, 4,
async->userdata, cevent->rv_event, async->action_sv, async->usec_sv);
}
NV
Perl_sv_nv(pTHX_ SV *sv)
{
PERL_ARGS_ASSERT_SV_NV;
if (SvNOK(sv))
return SvNVX(sv);
return sv_2nv(sv);
}
/* Entry point for serialization. Dumps generic SVs and delegates
* to more specialized functions for RVs, etc. */
void
ddl_dump_sv(pTHX_ ddl_encoder_t *enc, SV *src)
{
SvGETMAGIC(src);
/* dump strings */
if (SvPOKp(src)) {
STRLEN len;
char *str = SvPV(src, len);
BUF_SIZE_ASSERT(enc, 2 + len);
ddl_dump_pv(aTHX_ enc, str, len, SvUTF8(src));
}
/* dump floats */
else if (SvNOKp(src)) {
BUF_SIZE_ASSERT(enc, NV_DIG + 32);
Gconvert(SvNVX(src), NV_DIG, 0, enc->pos);
enc->pos += strlen(enc->pos);
}
/* dump ints */
else if (SvIOKp(src)) {
/* we assume we can always read an IV as a UV and vice versa
* we assume two's complement
* we assume no aliasing issues in the union */
if (SvIsUV(src) ? SvUVX(src) <= 59000
: SvIVX(src) <= 59000 && SvIVX(src) >= -59000)
{
/* optimise the "small number case"
* code will likely be branchless and use only a single multiplication
* works for numbers up to 59074 */
I32 i = SvIVX(src);
U32 u;
char digit, nz = 0;
BUF_SIZE_ASSERT(enc, 6);
*enc->pos = '-'; enc->pos += i < 0 ? 1 : 0;
u = i < 0 ? -i : i;
/* convert to 4.28 fixed-point representation */
u *= ((0xfffffff + 10000) / 10000); /* 10**5, 5 fractional digits */
/* now output digit by digit, each time masking out the integer part
* and multiplying by 5 while moving the decimal point one to the right,
* resulting in a net multiplication by 10.
* we always write the digit to memory but conditionally increment
* the pointer, to enable the use of conditional move instructions. */
digit = u >> 28; *enc->pos = digit + '0'; enc->pos += (nz = nz || digit); u = (u & 0xfffffffUL) * 5;
digit = u >> 27; *enc->pos = digit + '0'; enc->pos += (nz = nz || digit); u = (u & 0x7ffffffUL) * 5;
digit = u >> 26; *enc->pos = digit + '0'; enc->pos += (nz = nz || digit); u = (u & 0x3ffffffUL) * 5;
digit = u >> 25; *enc->pos = digit + '0'; enc->pos += (nz = nz || digit); u = (u & 0x1ffffffUL) * 5;
digit = u >> 24; *enc->pos = digit + '0'; enc->pos += 1; /* correctly generate '0' */
}
else {
void
Perl_set_version(pTHX_ const char *name, STRLEN nlen, const char *strval, STRLEN plen, NV nvval)
{
SV* ver = GvSV(gv_add_by_type(gv_fetchpvn(name, nlen, GV_ADD, SVt_PVNV),
SVt_PVNV));
PERL_ARGS_ASSERT_SET_VERSION;
SvREADONLY_off(ver);
SvUPGRADE(ver, SVt_PVNV);
SvPVX(ver) = SvGROW(ver, plen+1);
Move(strval, SvPVX(ver), plen, char);
SvCUR_set(ver, plen);
SvNVX(ver) = nvval;
/* not the PROTECT bit */
SvFLAGS(ver) |= (SVf_NOK|SVp_NOK|SVf_POK|SVp_POK|SVf_READONLY);
}
