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#ifdef __cplusplus
extern "C" {
#endif
#include "ulib/util.h"
#ifdef __cplusplus
}
#endif
static NV uu_time_v1(const struct_uu_t *in) {
U64 sum;
NV rv;
sum = ((U64)in->v1.time_high_and_version & 0x0fff) << 48
| ((U64)in->v1.time_mid) << 32
| (U64)in->v1.time_low;
sum -= 122192928000000000ULL;
rv = (NV)sum / 10000000.0;
return rv;
}
static NV uu_time_v4(const struct_uu_t *in) {
return 0.0;
}
static NV uu_time_v6(const struct_uu_t *in) {
U64 sum;
NV rv;
sum = ((U64)in->v6.time_high) << 28
| ((U64)in->v6.time_mid) << 12
| ((U64)in->v6.time_low_and_version & 0x0fff);
sum -= 122192928000000000ULL;
rv = (NV)sum / 10000000.0;
return rv;
}
static NV uu_time_v7(const struct_uu_t *in) {
U64 sum;
NV rv;
sum = ((U64)in->v7.time_high) << 16
| (U64)in->v7.time_low;
rv = (NV)sum / 1000.0;
return rv;
}
NV uu_time(const struct_uu_t *in) {
int version;
version = in->v1.time_high_and_version >> 12;
switch(version) {
case 1: return uu_time_v1(in);
case 4: return uu_time_v4(in);
case 6: return uu_time_v6(in);
case 7: return uu_time_v7(in);
}
return 0;
}
/* a.k.a. version */
UV uu_type(const struct_uu_t *in) {
UV type;
type = in->v1.time_high_and_version >> 12;
if (type <= 8)
return type;
return 0;
}
UV uu_variant(const struct_uu_t *in) {
U16 variant;
variant = in->v1.clock_seq_and_variant;
if ((variant & 0x8000) == 0) return 0;
if ((variant & 0x4000) == 0) return 1;
if ((variant & 0x2000) == 0) return 2;
return 3;
}
/******************************************************************************
* all for croak_caller before 5.13.4.
*/
#define PERL_ARGS_ASSERT_DOPOPTOSUB_AT assert(cxstk)
#ifdef PERL_GLOBAL_STRUCT
# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
#else
# define dVAR dNOOP
#endif
#ifndef dopoptosub
#define dopoptosub(plop) dopoptosub_at(cxstack, (plop))
#endif
#ifndef dopoptosub_at
#if !defined(PERL_IMPLICIT_CONTEXT)
# define dopoptosub_at my_dopoptosub_at
#else
# define dopoptosub_at(a,b) my_dopoptosub_at(aTHX_ a,b)
#endif
#endif
STATIC I32
my_dopoptosub_at(pTHX_ const PERL_CONTEXT *cxstk, I32 startingblock)
{
dVAR;
I32 i;
PERL_ARGS_ASSERT_DOPOPTOSUB_AT;
for (i = startingblock; i >= 0; i--) {
register const PERL_CONTEXT * const cx = &cxstk[i];
switch (CxTYPE(cx)) {
default:
continue;
case CXt_EVAL:
case CXt_SUB:
case CXt_FORMAT:
DEBUG_l( Perl_deb(aTHX_ "(dopoptosub_at(): found sub at cx=%ld)\n", (long)i));
return i;
}
}
return i;
}
const PERL_CONTEXT *
my_caller_cx(pTHX_ I32 count, const PERL_CONTEXT **dbcxp)
{
register I32 cxix = dopoptosub(cxstack_ix);
register const PERL_CONTEXT *cx;
register const PERL_CONTEXT *ccstack = cxstack;
const PERL_SI *top_si = PL_curstackinfo;
for (;;) {
/* we may be in a higher stacklevel, so dig down deeper */
while (cxix < 0 && top_si->si_type != PERLSI_MAIN) {
top_si = top_si->si_prev;
ccstack = top_si->si_cxstack;
cxix = dopoptosub_at(ccstack, top_si->si_cxix);
}
if (cxix < 0)
return NULL;
/* caller() should not report the automatic calls to &DB::sub */
if (PL_DBsub && GvCV(PL_DBsub) && cxix >= 0 &&
ccstack[cxix].blk_sub.cv == GvCV(PL_DBsub))
count++;
if (!count--)
break;
cxix = dopoptosub_at(ccstack, cxix - 1);
}
cx = &ccstack[cxix];
if (dbcxp) *dbcxp = cx;
if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT) {
const I32 dbcxix = dopoptosub_at(ccstack, cxix - 1);
/* We expect that ccstack[dbcxix] is CXt_SUB, anyway, the
field below is defined for any cx. */
/* caller() should not report the automatic calls to &DB::sub */
if (PL_DBsub && GvCV(PL_DBsub) && dbcxix >= 0 && ccstack[dbcxix].blk_sub.cv == GvCV(PL_DBsub))
cx = &ccstack[dbcxix];
}
return cx;
}
void my_croak_caller(const char *pat, ...) {
dTHX;
va_list args;
const PERL_CONTEXT *cx = my_caller_cx(aTHX_ 0, NULL);
/* make error appear at call site */
assert(cx);
PL_curcop = cx->blk_oldcop;
va_start(args, pat);
vcroak(pat, &args);
NOT_REACHED; /* NOTREACHED */
va_end(args);
}
/******************************************************************************/
/* ex:set ts=2 sw=2 itab=spaces: */
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