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Overview
| Comment: | Now with fewer memory leaks |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | tip-312-new |
| Files: | files | file ages | folders |
| SHA3-256: |
edef464b4f4c615cafb842e399c3639f |
| User & Date: | dkf 2019-04-04 23:08:05 |
Context
|
2019-04-04
| ||
| 23:47 | Clean up and refactor a bit check-in: 258100c83e user: dkf tags: tip-312-new | |
| 23:08 | Now with fewer memory leaks check-in: edef464b4f user: dkf tags: tip-312-new | |
| 22:48 | Fix unsigned wide linking. check-in: 5d6108345e user: dkf tags: tip-312-new | |
Changes
Changes to generic/tclLink.c.
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Tcl_WideUInt *uwidePtr)
{
Tcl_WideInt *widePtr = (Tcl_WideInt *) uwidePtr;
ClientData clientData;
int type;
if (TclGetNumberFromObj(NULL, objPtr, &clientData, &type) == TCL_OK) {
if (type == TCL_NUMBER_BIG) {
mp_int num;
Tcl_WideUInt scratch, value = 0;
unsigned long numBytes = sizeof(Tcl_WideUInt);
unsigned char *bytes = (unsigned char *) &scratch;
Tcl_GetBignumFromObj(NULL, objPtr, &num);
if (num.sign) {
return 1;
}
if (mp_to_unsigned_bin_n(&num, bytes, &numBytes) != MP_OKAY) {
return 1;
}
while (numBytes-- > 0) {
value = (value << CHAR_BIT) | *bytes++;
}
*uwidePtr = value;
return 0;
} else {
if (Tcl_GetWideIntFromObj(NULL, objPtr, widePtr) == TCL_OK
&& (*widePtr >= 0)) {
return 0;
}
}
}
return (GetInvalidWideFromObj(objPtr, widePtr) != TCL_OK);
}
static inline int
GetDouble(
Tcl_Obj *objPtr,
double *dblPtr)
|
> > > | > > | > > | < < < | > > > > > > > > > > > < < < | | < > > > > |
464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 |
Tcl_WideUInt *uwidePtr)
{
Tcl_WideInt *widePtr = (Tcl_WideInt *) uwidePtr;
ClientData clientData;
int type;
if (TclGetNumberFromObj(NULL, objPtr, &clientData, &type) == TCL_OK) {
if (type == TCL_NUMBER_INT) {
*widePtr = *((const Tcl_WideInt *) clientData);
return (*widePtr < 0);
} else if (type == TCL_NUMBER_BIG) {
mp_int num;
Tcl_WideUInt value = 0;
union {
Tcl_WideUInt value;
unsigned char bytes[sizeof(Tcl_WideUInt)];
} scratch;
unsigned long numBytes = sizeof(Tcl_WideUInt);
unsigned char *bytes = scratch.bytes;
Tcl_GetBignumFromObj(NULL, objPtr, &num);
if (num.sign || (MP_OKAY != mp_to_unsigned_bin_n(&num, bytes,
&numBytes))) {
/*
* If the sign bit is set (a negative value) or if the value
* can't possibly fit in the bits of an unsigned wide, there's
* no point in doing further conversion.
*/
mp_clear(&num);
return 1;
}
#ifdef WORDS_BIGENDIAN
while (numBytes-- > 0) {
value = (value << CHAR_BIT) | *bytes++;
}
#else /* !WORDS_BIGENDIAN */
value = scratch.value;
#endif /* WORDS_BIGENDIAN */
*uwidePtr = value;
mp_clear(&num);
return 0;
}
}
/*
* Evil edge case fallback.
*/
return (GetInvalidWideFromObj(objPtr, widePtr) != TCL_OK);
}
static inline int
GetDouble(
Tcl_Obj *objPtr,
double *dblPtr)
|