From f73bab7f9665beacb0bd95c068129448a833fe2c Mon Sep 17 00:00:00 2001
From: Jack Jansen <jack.jansen@cwi.nl>
Date: Thu, 3 Apr 1997 14:51:03 +0000
Subject: 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...

---
 Mac/Modules/macosmodule.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Mac/Modules/macosmodule.c b/Mac/Modules/macosmodule.c
index 89f986b..90be55d 100644
--- a/Mac/Modules/macosmodule.c
+++ b/Mac/Modules/macosmodule.c
@@ -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");
+	}
 }
 
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