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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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21
Python/sysmodule.c
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@ -1561,7 +1561,6 @@ PyObject *
_PySys_Init(void)
{
PyObject *m, *v, *sysdict, *version_info;
char *s;
m = PyModule_Create(&sysmodule);
if (m == NULL)
@ -1638,20 +1637,14 @@ _PySys_Init(void)
PyLong_FromLong(0x10FFFF));
SET_SYS_FROM_STRING("builtin_module_names",
list_builtin_module_names());
{
/* Assumes that longs are at least 2 bytes long.
Should be safe! */
unsigned long number = 1;
char *value;
#if PY_BIG_ENDIAN
SET_SYS_FROM_STRING("byteorder",
PyUnicode_FromString("big"));
#else
SET_SYS_FROM_STRING("byteorder",
PyUnicode_FromString("little"));
#endif
s = (char *) &number;
if (s[0] == 0)
value = "big";
else
value = "little";
SET_SYS_FROM_STRING("byteorder",
PyUnicode_FromString(value));
}
#ifdef MS_COREDLL
SET_SYS_FROM_STRING("dllhandle",
PyLong_FromVoidPtr(PyWin_DLLhModule));