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Issue #16166: Add PY_LITTLE_ENDIAN and PY_BIG_ENDIAN macros and unified

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endianess detection and handling.
This commit is contained in:
Christian Heimes 2012-10-17 23:52:17 +02:00
parent 1e9af84e2e
commit 743e0cd6b5
15 changed files with 78 additions and 107 deletions
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8
Objects/longobject.c
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@ -988,7 +988,6 @@ PyLong_AsVoidPtr(PyObject *vv)
* rewritten to use the newer PyLong_{As,From}ByteArray API.
*/
#define IS_LITTLE_ENDIAN (int)*(unsigned char*)&one
#define PY_ABS_LLONG_MIN (0-(unsigned PY_LONG_LONG)PY_LLONG_MIN)
/* Create a new long int object from a C PY_LONG_LONG int. */
@ -1141,7 +1140,6 @@ PyLong_AsLongLong(PyObject *vv)
{
PyLongObject *v;
PY_LONG_LONG bytes;
int one = 1;
int res;
if (vv == NULL) {
@ -1176,7 +1174,7 @@ PyLong_AsLongLong(PyObject *vv)
case 1: return v->ob_digit[0];
}
res = _PyLong_AsByteArray((PyLongObject *)vv, (unsigned char *)&bytes,
SIZEOF_LONG_LONG, IS_LITTLE_ENDIAN, 1);
SIZEOF_LONG_LONG, PY_LITTLE_ENDIAN, 1);
/* Plan 9 can't handle PY_LONG_LONG in ? : expressions */
if (res < 0)
@ -1193,7 +1191,6 @@ PyLong_AsUnsignedLongLong(PyObject *vv)
{
PyLongObject *v;
unsigned PY_LONG_LONG bytes;
int one = 1;
int res;
if (vv == NULL) {
@ -1212,7 +1209,7 @@ PyLong_AsUnsignedLongLong(PyObject *vv)
}
res = _PyLong_AsByteArray((PyLongObject *)vv, (unsigned char *)&bytes,
SIZEOF_LONG_LONG, IS_LITTLE_ENDIAN, 0);
SIZEOF_LONG_LONG, PY_LITTLE_ENDIAN, 0);
/* Plan 9 can't handle PY_LONG_LONG in ? : expressions */
if (res < 0)
@ -1288,7 +1285,6 @@ PyLong_AsUnsignedLongLongMask(register PyObject *op)
return (unsigned PY_LONG_LONG)-1;
}
}
#undef IS_LITTLE_ENDIAN
/* Get a C long long int from a long int object or any object that has an
__int__ method.