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Added an attribute string_id_to_buffer, which gives the offset you 

have to add to the id() of a string to get the address of the
data. This is a horrible and error-prone hack, but unfortunately it is
one that is needed for playing audio and crearing pixmaps. Having the
constant here is at least marginally better than the previous practice
of having the constant 16 all over the place...
This commit is contained in:
Jack Jansen 1997-04-03 14:51:03 +00:00
parent 377df98005
commit f73bab7f96
1 changed files with 12 additions and 0 deletions
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12
Mac/Modules/macosmodule.c
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@ -637,5 +637,17 @@ MacOS_Init()
MacOS_Error = PyMac_GetOSErrException();
if (MacOS_Error == NULL || PyDict_SetItemString(d, "Error", MacOS_Error) != 0)
Py_FatalError("can't define MacOS.Error");
/*
** This is a hack: the following constant added to the id() of a string
** object gives you the address of the data. Unfortunately, it is needed for
** some of the image and sound processing interfaces on the mac:-(
*/
{
PyStringObject *p = 0;
long off = (long)&(p->ob_sval[0]);
if( PyDict_SetItemString(d, "string_id_to_buffer", Py_BuildValue("i", off)) != 0)
Py_FatalError("Can't define MacOS.string_id_to_buffer");
}
}