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| author | Fred Drake <fdrake@acm.org> | 2000-08-14 15:47:03 (GMT) |
|---|---|---|
| committer | Fred Drake <fdrake@acm.org> | 2000-08-14 15:47:03 (GMT) |
| commit | 099325e01b9c244bdaf96e072829195243caced9 (patch) | |
| tree | b1dbe4b3bcd0d23ecadb253a1c18756d40b714ca /Python/sysmodule.c | |
| parent | 107b9679c482e99af11f5867d8267809764a1b48 (diff) | |
| download | cpython-099325e01b9c244bdaf96e072829195243caced9.zip cpython-099325e01b9c244bdaf96e072829195243caced9.tar.gz cpython-099325e01b9c244bdaf96e072829195243caced9.tar.bz2 | |
Add a byte_order value to the sys module. The value is "big" for
big-endian machines and "little" for little-endian machines.
Diffstat (limited to 'Python/sysmodule.c')
| -rw-r--r-- | Python/sysmodule.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Python/sysmodule.c b/Python/sysmodule.c index 8883ba1..2ae6d20 100644 --- a/Python/sysmodule.c +++ b/Python/sysmodule.c @@ -456,6 +456,19 @@ _PySys_Init(void) PyDict_SetItemString(sysdict, "builtin_module_names", v = list_builtin_module_names()); Py_XDECREF(v); + { + /* Assumes that longs are at least 2 bytes long. + Should be safe! */ + unsigned long number = 1; + + s = (char *) &number; + if (s[0] == 0) + PyDict_SetItemString(sysdict, "byte_order", + PyString_FromString("big")); + else + PyDict_SetItemString(sysdict, "byte_order", + PyString_FromString("little")); + } #ifdef MS_COREDLL PyDict_SetItemString(sysdict, "dllhandle", v = PyLong_FromVoidPtr(PyWin_DLLhModule)); |