Assorted xreadlines problems:

    Wasn't built on Windows; not in config.c either.
    Module init function missing DL_EXPORT magic.
    test_xreadline output file obviously wrong (started w/ "test_xrl").
    test program very unclear about what was expected.

Lib/test/output/test_xreadline

@@ -1,4 +1,4 @@
-test_xrl
-AttributeError
-TypeError
-RuntimeError xreadlines object accessed out of order
+test_xreadline
+AttributeError (expected)
+TypeError (expected)
+RuntimeError (expected): xreadlines object accessed out of order

Lib/test/test_xreadline.py

@@ -18,25 +18,26 @@ class Null: pass
 try:
 	xreadlines.xreadlines(Null())[0]
 except AttributeError, detail:
-	print "AttributeError"
+	print "AttributeError (expected)"
 else:
 	print "Did not throw attribute error"
 
 try:
 	xreadlines.xreadlines(XReader)[0]
 except TypeError, detail:
-	print "TypeError"
+	print "TypeError (expected)"
 else:
 	print "Did not throw type error"
 
 try:
 	xreadlines.xreadlines(XReader())[1]
 except RuntimeError, detail:
-	print "RuntimeError", detail
+	print "RuntimeError (expected):", detail
 else:
 	print "Did not throw runtime error"
 
 xresult = ['0\n', '1\n', '2\n', '3\n', '0\n', '1\n', '2\n', '0\n', '1\n', '0\n']
 for line in xreadlines.xreadlines(XReader()):
-	if line != xresult[lineno]: print "line %d differs" % lineno
-	lineno = lineno + 1
+	if line != xresult[lineno]:
+	    print "line %d differs" % lineno
+	lineno += 1

Modules/xreadlinesmodule.c

@@ -109,7 +109,7 @@ static PyMethodDef xreadlines_methods[] = {
 	{NULL, NULL}
 };
 
-void
+DL_EXPORT(void)
 initxreadlines(void)
 {
 	PyObject *m;

PC/config.c

@@ -42,7 +42,9 @@ extern void initmsvcrt(void);
 extern void init_locale(void);
 #endif
 extern void init_codecs(void);
+extern void initxreadlines(void);
 
+/* XXX tim: what's the purpose of ADDMODULE MARKER? */
 /* -- ADDMODULE MARKER 1 -- */
 
 extern void PyMarshal_Init(void);
@@ -92,7 +94,9 @@ struct _inittab _PyImport_Inittab[] = {
 #endif
 
         {"_codecs", init_codecs},
+	{"xreadlines", initxreadlines},
 
+/* XXX tim: what's the purpose of ADDMODULE MARKER? */
 /* -- ADDMODULE MARKER 2 -- */
 
         /* This module "lives in" with marshal.c */