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1 /*
2  * C Extension module to test Python interpreter C APIs.
3  *
4  * The 'test_*' functions exported by this module are run as part of the
5  * standard Python regression test, via Lib/test/test_capi.py.
6  */
7 
8 #include "Python.h"
9 #include <float.h>
10 #include "structmember.h"
11 #include "datetime.h"
12 #include "marshal.h"
13 #include <signal.h>
14 #ifdef MS_WINDOWS
15 #  include <crtdbg.h>
16 #endif
17 
18 #ifdef HAVE_SYS_WAIT_H
19 #include <sys/wait.h>           /* For W_STOPCODE */
20 #endif
21 
22 #ifdef WITH_THREAD
23 #include "pythread.h"
24 #endif /* WITH_THREAD */
25 static PyObject *TestError;     /* set to exception object in init */
26 
27 /* Raise TestError with test_name + ": " + msg, and return NULL. */
28 
29 static PyObject *
raiseTestError(const char * test_name,const char * msg)30 raiseTestError(const char* test_name, const char* msg)
31 {
32     char buf[2048];
33 
34     if (strlen(test_name) + strlen(msg) > sizeof(buf) - 50)
35         PyErr_SetString(TestError, "internal error msg too large");
36     else {
37         PyOS_snprintf(buf, sizeof(buf), "%s: %s", test_name, msg);
38         PyErr_SetString(TestError, buf);
39     }
40     return NULL;
41 }
42 
43 /* Test #defines from pyconfig.h (particularly the SIZEOF_* defines).
44 
45    The ones derived from autoconf on the UNIX-like OSes can be relied
46    upon (in the absence of sloppy cross-compiling), but the Windows
47    platforms have these hardcoded.  Better safe than sorry.
48 */
49 static PyObject*
sizeof_error(const char * fatname,const char * typname,int expected,int got)50 sizeof_error(const char* fatname, const char* typname,
51     int expected, int got)
52 {
53     char buf[1024];
54     PyOS_snprintf(buf, sizeof(buf),
55         "%.200s #define == %d but sizeof(%.200s) == %d",
56         fatname, expected, typname, got);
57     PyErr_SetString(TestError, buf);
58     return (PyObject*)NULL;
59 }
60 
61 static PyObject*
test_config(PyObject * self)62 test_config(PyObject *self)
63 {
64 #define CHECK_SIZEOF(FATNAME, TYPE) \
65             if (FATNAME != sizeof(TYPE)) \
66                 return sizeof_error(#FATNAME, #TYPE, FATNAME, sizeof(TYPE))
67 
68     CHECK_SIZEOF(SIZEOF_SHORT, short);
69     CHECK_SIZEOF(SIZEOF_INT, int);
70     CHECK_SIZEOF(SIZEOF_LONG, long);
71     CHECK_SIZEOF(SIZEOF_VOID_P, void*);
72     CHECK_SIZEOF(SIZEOF_TIME_T, time_t);
73 #ifdef HAVE_LONG_LONG
74     CHECK_SIZEOF(SIZEOF_LONG_LONG, PY_LONG_LONG);
75 #endif
76 
77 #undef CHECK_SIZEOF
78 
79     Py_INCREF(Py_None);
80     return Py_None;
81 }
82 
83 static PyObject*
test_list_api(PyObject * self)84 test_list_api(PyObject *self)
85 {
86     PyObject* list;
87     int i;
88 
89     /* SF bug 132008:  PyList_Reverse segfaults */
90 #define NLIST 30
91     list = PyList_New(NLIST);
92     if (list == (PyObject*)NULL)
93         return (PyObject*)NULL;
94     /* list = range(NLIST) */
95     for (i = 0; i < NLIST; ++i) {
96         PyObject* anint = PyInt_FromLong(i);
97         if (anint == (PyObject*)NULL) {
98             Py_DECREF(list);
99             return (PyObject*)NULL;
100         }
101         PyList_SET_ITEM(list, i, anint);
102     }
103     /* list.reverse(), via PyList_Reverse() */
104     i = PyList_Reverse(list);   /* should not blow up! */
105     if (i != 0) {
106         Py_DECREF(list);
107         return (PyObject*)NULL;
108     }
109     /* Check that list == range(29, -1, -1) now */
110     for (i = 0; i < NLIST; ++i) {
111         PyObject* anint = PyList_GET_ITEM(list, i);
112         if (PyInt_AS_LONG(anint) != NLIST-1-i) {
113             PyErr_SetString(TestError,
114                             "test_list_api: reverse screwed up");
115             Py_DECREF(list);
116             return (PyObject*)NULL;
117         }
118     }
119     Py_DECREF(list);
120 #undef NLIST
121 
122     Py_INCREF(Py_None);
123     return Py_None;
124 }
125 
126 static int
test_dict_inner(int count)127 test_dict_inner(int count)
128 {
129     Py_ssize_t pos = 0, iterations = 0;
130     int i;
131     PyObject *dict = PyDict_New();
132     PyObject *v, *k;
133 
134     if (dict == NULL)
135         return -1;
136 
137     for (i = 0; i < count; i++) {
138         v = PyInt_FromLong(i);
139         PyDict_SetItem(dict, v, v);
140         Py_DECREF(v);
141     }
142 
143     while (PyDict_Next(dict, &pos, &k, &v)) {
144         PyObject *o;
145         iterations++;
146 
147         i = PyInt_AS_LONG(v) + 1;
148         o = PyInt_FromLong(i);
149         if (o == NULL)
150             return -1;
151         if (PyDict_SetItem(dict, k, o) < 0) {
152             Py_DECREF(o);
153             return -1;
154         }
155         Py_DECREF(o);
156     }
157 
158     Py_DECREF(dict);
159 
160     if (iterations != count) {
161         PyErr_SetString(
162             TestError,
163             "test_dict_iteration: dict iteration went wrong ");
164         return -1;
165     } else {
166         return 0;
167     }
168 }
169 
170 static PyObject*
test_dict_iteration(PyObject * self)171 test_dict_iteration(PyObject* self)
172 {
173     int i;
174 
175     for (i = 0; i < 200; i++) {
176         if (test_dict_inner(i) < 0) {
177             return NULL;
178         }
179     }
180 
181     Py_INCREF(Py_None);
182     return Py_None;
183 }
184 
185 
186 /* Issue #4701: Check that PyObject_Hash implicitly calls
187  *   PyType_Ready if it hasn't already been called
188  */
189 static PyTypeObject _HashInheritanceTester_Type = {
190     PyVarObject_HEAD_INIT(NULL, 0)
191     "hashinheritancetester",            /* Name of this type */
192     sizeof(PyObject),           /* Basic object size */
193     0,                          /* Item size for varobject */
194     (destructor)PyObject_Del, /* tp_dealloc */
195     0,                          /* tp_print */
196     0,                          /* tp_getattr */
197     0,                          /* tp_setattr */
198     0,                          /* tp_compare */
199     0,                          /* tp_repr */
200     0,                          /* tp_as_number */
201     0,                          /* tp_as_sequence */
202     0,                          /* tp_as_mapping */
203     0,                          /* tp_hash */
204     0,                          /* tp_call */
205     0,                          /* tp_str */
206     PyObject_GenericGetAttr,  /* tp_getattro */
207     0,                          /* tp_setattro */
208     0,                          /* tp_as_buffer */
209     Py_TPFLAGS_DEFAULT,         /* tp_flags */
210     0,                          /* tp_doc */
211     0,                          /* tp_traverse */
212     0,                          /* tp_clear */
213     0,                          /* tp_richcompare */
214     0,                          /* tp_weaklistoffset */
215     0,                          /* tp_iter */
216     0,                          /* tp_iternext */
217     0,                          /* tp_methods */
218     0,                          /* tp_members */
219     0,                          /* tp_getset */
220     0,                          /* tp_base */
221     0,                          /* tp_dict */
222     0,                          /* tp_descr_get */
223     0,                          /* tp_descr_set */
224     0,                          /* tp_dictoffset */
225     0,                          /* tp_init */
226     0,                          /* tp_alloc */
227     PyType_GenericNew,                  /* tp_new */
228 };
229 
230 static PyObject*
test_lazy_hash_inheritance(PyObject * self)231 test_lazy_hash_inheritance(PyObject* self)
232 {
233     PyTypeObject *type;
234     PyObject *obj;
235     long hash;
236 
237     type = &_HashInheritanceTester_Type;
238 
239     if (type->tp_dict != NULL)
240         /* The type has already been initialized. This probably means
241            -R is being used. */
242         Py_RETURN_NONE;
243 
244 
245     obj = PyObject_New(PyObject, type);
246     if (obj == NULL) {
247         PyErr_Clear();
248         PyErr_SetString(
249             TestError,
250             "test_lazy_hash_inheritance: failed to create object");
251         return NULL;
252     }
253 
254     if (type->tp_dict != NULL) {
255         PyErr_SetString(
256             TestError,
257             "test_lazy_hash_inheritance: type initialised too soon");
258         Py_DECREF(obj);
259         return NULL;
260     }
261 
262     hash = PyObject_Hash(obj);
263     if ((hash == -1) && PyErr_Occurred()) {
264         PyErr_Clear();
265         PyErr_SetString(
266             TestError,
267             "test_lazy_hash_inheritance: could not hash object");
268         Py_DECREF(obj);
269         return NULL;
270     }
271 
272     if (type->tp_dict == NULL) {
273         PyErr_SetString(
274             TestError,
275             "test_lazy_hash_inheritance: type not initialised by hash()");
276         Py_DECREF(obj);
277         return NULL;
278     }
279 
280     if (type->tp_hash != PyType_Type.tp_hash) {
281         PyErr_SetString(
282             TestError,
283             "test_lazy_hash_inheritance: unexpected hash function");
284         Py_DECREF(obj);
285         return NULL;
286     }
287 
288     Py_DECREF(obj);
289 
290     Py_RETURN_NONE;
291 }
292 
293 
294 /* Issue #7385: Check that memoryview() does not crash
295  *   when bf_getbuffer returns an error
296  */
297 
298 static int
broken_buffer_getbuffer(PyObject * self,Py_buffer * view,int flags)299 broken_buffer_getbuffer(PyObject *self, Py_buffer *view, int flags)
300 {
301     PyErr_SetString(
302         TestError,
303         "test_broken_memoryview: expected error in bf_getbuffer");
304     return -1;
305 }
306 
307 static PyBufferProcs memoryviewtester_as_buffer = {
308     0,          /* bf_getreadbuffer */
309     0,          /* bf_getwritebuffer */
310     0,          /* bf_getsegcount */
311     0,          /* bf_getcharbuffer */
312     (getbufferproc)broken_buffer_getbuffer,     /* bf_getbuffer */
313     0,          /* bf_releasebuffer */
314 };
315 
316 static PyTypeObject _MemoryViewTester_Type = {
317     PyVarObject_HEAD_INIT(NULL, 0)
318     "memoryviewtester",         /* Name of this type */
319     sizeof(PyObject),           /* Basic object size */
320     0,                          /* Item size for varobject */
321     (destructor)PyObject_Del, /* tp_dealloc */
322     0,                          /* tp_print */
323     0,                          /* tp_getattr */
324     0,                          /* tp_setattr */
325     0,                          /* tp_compare */
326     0,                          /* tp_repr */
327     0,                          /* tp_as_number */
328     0,                          /* tp_as_sequence */
329     0,                          /* tp_as_mapping */
330     0,                          /* tp_hash */
331     0,                          /* tp_call */
332     0,                          /* tp_str */
333     PyObject_GenericGetAttr,  /* tp_getattro */
334     0,                          /* tp_setattro */
335     &memoryviewtester_as_buffer,                        /* tp_as_buffer */
336     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_NEWBUFFER,     /* tp_flags */
337     0,                          /* tp_doc */
338     0,                          /* tp_traverse */
339     0,                          /* tp_clear */
340     0,                          /* tp_richcompare */
341     0,                          /* tp_weaklistoffset */
342     0,                          /* tp_iter */
343     0,                          /* tp_iternext */
344     0,                          /* tp_methods */
345     0,                          /* tp_members */
346     0,                          /* tp_getset */
347     0,                          /* tp_base */
348     0,                          /* tp_dict */
349     0,                          /* tp_descr_get */
350     0,                          /* tp_descr_set */
351     0,                          /* tp_dictoffset */
352     0,                          /* tp_init */
353     0,                          /* tp_alloc */
354     PyType_GenericNew,                  /* tp_new */
355 };
356 
357 static PyObject*
test_broken_memoryview(PyObject * self)358 test_broken_memoryview(PyObject* self)
359 {
360     PyObject *obj = PyObject_New(PyObject, &_MemoryViewTester_Type);
361     PyObject *res;
362 
363     if (obj == NULL) {
364         PyErr_Clear();
365         PyErr_SetString(
366             TestError,
367             "test_broken_memoryview: failed to create object");
368         return NULL;
369     }
370 
371     res = PyMemoryView_FromObject(obj);
372     if (res || !PyErr_Occurred()){
373         PyErr_SetString(
374             TestError,
375             "test_broken_memoryview: memoryview() didn't raise an Exception");
376         Py_XDECREF(res);
377         Py_DECREF(obj);
378         return NULL;
379     }
380 
381     PyErr_Clear();
382     Py_DECREF(obj);
383     Py_RETURN_NONE;
384 }
385 
386 static PyObject *
test_to_contiguous(PyObject * self,PyObject * noargs)387 test_to_contiguous(PyObject* self, PyObject *noargs)
388 {
389     int data[9] = {0, -1, 1, -1, 2, -1,  3, -1, 4};
390     int result[5];
391     Py_ssize_t itemsize = sizeof(int);
392     Py_ssize_t shape = 5;
393     Py_ssize_t strides = 2 * itemsize;
394     Py_buffer view = {
395         data,
396         NULL,
397         5 * itemsize,
398         itemsize,
399         1,
400         1,
401         NULL,
402         &shape,
403         &strides,
404         NULL,
405         {0, 0},
406         NULL
407     };
408     int i;
409 
410     PyBuffer_ToContiguous(result, &view, view.len, 'C');
411     for (i = 0; i < 5; i++) {
412         if (result[i] != i) {
413             PyErr_SetString(TestError,
414                 "test_to_contiguous: incorrect result");
415             return NULL;
416         }
417     }
418 
419     view.buf = &data[8];
420     view.strides[0] = -2 * itemsize;
421 
422     PyBuffer_ToContiguous(result, &view, view.len, 'C');
423     for (i = 0; i < 5; i++) {
424         if (result[i] != 4-i) {
425             PyErr_SetString(TestError,
426                 "test_to_contiguous: incorrect result");
427             return NULL;
428         }
429     }
430 
431     Py_RETURN_NONE;
432 }
433 
434 static PyObject *
test_from_contiguous(PyObject * self,PyObject * noargs)435 test_from_contiguous(PyObject* self, PyObject *noargs)
436 {
437     int data[9] = {-1,-1,-1,-1,-1,-1,-1,-1,-1};
438     int init[5] = {0, 1, 2, 3, 4};
439     Py_ssize_t itemsize = sizeof(int);
440     Py_ssize_t shape = 5;
441     Py_ssize_t strides = 2 * itemsize;
442     Py_buffer view = {
443         data,
444         NULL,
445         5 * itemsize,
446         itemsize,
447         1,
448         1,
449         NULL,
450         &shape,
451         &strides,
452         NULL,
453         {0, 0},
454         NULL
455     };
456     int *ptr;
457     int i;
458 
459     PyBuffer_FromContiguous(&view, init, view.len, 'C');
460     ptr = view.buf;
461     for (i = 0; i < 5; i++) {
462         if (ptr[2*i] != i) {
463             PyErr_SetString(TestError,
464                 "test_from_contiguous: incorrect result");
465             return NULL;
466         }
467     }
468 
469     view.buf = &data[8];
470     view.strides[0] = -2 * itemsize;
471 
472     PyBuffer_FromContiguous(&view, init, view.len, 'C');
473     ptr = view.buf;
474     for (i = 0; i < 5; i++) {
475         if (*(ptr-2*i) != i) {
476             PyErr_SetString(TestError,
477                 "test_from_contiguous: incorrect result");
478             return NULL;
479         }
480     }
481 
482     Py_RETURN_NONE;
483 }
484 
485 
486 /* Tests of PyLong_{As, From}{Unsigned,}Long(), and (#ifdef HAVE_LONG_LONG)
487    PyLong_{As, From}{Unsigned,}LongLong().
488 
489    Note that the meat of the test is contained in testcapi_long.h.
490    This is revolting, but delicate code duplication is worse:  "almost
491    exactly the same" code is needed to test PY_LONG_LONG, but the ubiquitous
492    dependence on type names makes it impossible to use a parameterized
493    function.  A giant macro would be even worse than this.  A C++ template
494    would be perfect.
495 
496    The "report an error" functions are deliberately not part of the #include
497    file:  if the test fails, you can set a breakpoint in the appropriate
498    error function directly, and crawl back from there in the debugger.
499 */
500 
501 #define UNBIND(X)  Py_DECREF(X); (X) = NULL
502 
503 static PyObject *
raise_test_long_error(const char * msg)504 raise_test_long_error(const char* msg)
505 {
506     return raiseTestError("test_long_api", msg);
507 }
508 
509 #define TESTNAME        test_long_api_inner
510 #define TYPENAME        long
511 #define F_S_TO_PY       PyLong_FromLong
512 #define F_PY_TO_S       PyLong_AsLong
513 #define F_U_TO_PY       PyLong_FromUnsignedLong
514 #define F_PY_TO_U       PyLong_AsUnsignedLong
515 
516 #include "testcapi_long.h"
517 
518 static PyObject *
test_long_api(PyObject * self)519 test_long_api(PyObject* self)
520 {
521     return TESTNAME(raise_test_long_error);
522 }
523 
524 #undef TESTNAME
525 #undef TYPENAME
526 #undef F_S_TO_PY
527 #undef F_PY_TO_S
528 #undef F_U_TO_PY
529 #undef F_PY_TO_U
530 
531 #ifdef HAVE_LONG_LONG
532 
533 static PyObject *
raise_test_longlong_error(const char * msg)534 raise_test_longlong_error(const char* msg)
535 {
536     return raiseTestError("test_longlong_api", msg);
537 }
538 
539 #define TESTNAME        test_longlong_api_inner
540 #define TYPENAME        PY_LONG_LONG
541 #define F_S_TO_PY       PyLong_FromLongLong
542 #define F_PY_TO_S       PyLong_AsLongLong
543 #define F_U_TO_PY       PyLong_FromUnsignedLongLong
544 #define F_PY_TO_U       PyLong_AsUnsignedLongLong
545 
546 #include "testcapi_long.h"
547 
548 static PyObject *
test_longlong_api(PyObject * self,PyObject * args)549 test_longlong_api(PyObject* self, PyObject *args)
550 {
551     return TESTNAME(raise_test_longlong_error);
552 }
553 
554 #undef TESTNAME
555 #undef TYPENAME
556 #undef F_S_TO_PY
557 #undef F_PY_TO_S
558 #undef F_U_TO_PY
559 #undef F_PY_TO_U
560 
561 /* Test the PyLong_AsLongAndOverflow API. General conversion to PY_LONG
562    is tested by test_long_api_inner. This test will concentrate on proper
563    handling of overflow.
564 */
565 
566 static PyObject *
test_long_and_overflow(PyObject * self)567 test_long_and_overflow(PyObject *self)
568 {
569     PyObject *num, *one, *temp;
570     long value;
571     int overflow;
572 
573     /* Test that overflow is set properly for a large value. */
574     /* num is a number larger than LONG_MAX even on 64-bit platforms */
575     num = PyLong_FromString("FFFFFFFFFFFFFFFFFFFFFFFF", NULL, 16);
576     if (num == NULL)
577         return NULL;
578     overflow = 1234;
579     value = PyLong_AsLongAndOverflow(num, &overflow);
580     Py_DECREF(num);
581     if (value == -1 && PyErr_Occurred())
582         return NULL;
583     if (value != -1)
584         return raiseTestError("test_long_and_overflow",
585             "return value was not set to -1");
586     if (overflow != 1)
587         return raiseTestError("test_long_and_overflow",
588             "overflow was not set to 1");
589 
590     /* Same again, with num = LONG_MAX + 1 */
591     num = PyLong_FromLong(LONG_MAX);
592     if (num == NULL)
593         return NULL;
594     one = PyLong_FromLong(1L);
595     if (one == NULL) {
596         Py_DECREF(num);
597         return NULL;
598     }
599     temp = PyNumber_Add(num, one);
600     Py_DECREF(one);
601     Py_DECREF(num);
602     num = temp;
603     if (num == NULL)
604         return NULL;
605     overflow = 0;
606     value = PyLong_AsLongAndOverflow(num, &overflow);
607     Py_DECREF(num);
608     if (value == -1 && PyErr_Occurred())
609         return NULL;
610     if (value != -1)
611         return raiseTestError("test_long_and_overflow",
612             "return value was not set to -1");
613     if (overflow != 1)
614         return raiseTestError("test_long_and_overflow",
615             "overflow was not set to 1");
616 
617     /* Test that overflow is set properly for a large negative value. */
618     /* num is a number smaller than LONG_MIN even on 64-bit platforms */
619     num = PyLong_FromString("-FFFFFFFFFFFFFFFFFFFFFFFF", NULL, 16);
620     if (num == NULL)
621         return NULL;
622     overflow = 1234;
623     value = PyLong_AsLongAndOverflow(num, &overflow);
624     Py_DECREF(num);
625     if (value == -1 && PyErr_Occurred())
626         return NULL;
627     if (value != -1)
628         return raiseTestError("test_long_and_overflow",
629             "return value was not set to -1");
630     if (overflow != -1)
631         return raiseTestError("test_long_and_overflow",
632             "overflow was not set to -1");
633 
634     /* Same again, with num = LONG_MIN - 1 */
635     num = PyLong_FromLong(LONG_MIN);
636     if (num == NULL)
637         return NULL;
638     one = PyLong_FromLong(1L);
639     if (one == NULL) {
640         Py_DECREF(num);
641         return NULL;
642     }
643     temp = PyNumber_Subtract(num, one);
644     Py_DECREF(one);
645     Py_DECREF(num);
646     num = temp;
647     if (num == NULL)
648         return NULL;
649     overflow = 0;
650     value = PyLong_AsLongAndOverflow(num, &overflow);
651     Py_DECREF(num);
652     if (value == -1 && PyErr_Occurred())
653         return NULL;
654     if (value != -1)
655         return raiseTestError("test_long_and_overflow",
656             "return value was not set to -1");
657     if (overflow != -1)
658         return raiseTestError("test_long_and_overflow",
659             "overflow was not set to -1");
660 
661     /* Test that overflow is cleared properly for small values. */
662     num = PyLong_FromString("FF", NULL, 16);
663     if (num == NULL)
664         return NULL;
665     overflow = 1234;
666     value = PyLong_AsLongAndOverflow(num, &overflow);
667     Py_DECREF(num);
668     if (value == -1 && PyErr_Occurred())
669         return NULL;
670     if (value != 0xFF)
671         return raiseTestError("test_long_and_overflow",
672             "expected return value 0xFF");
673     if (overflow != 0)
674         return raiseTestError("test_long_and_overflow",
675             "overflow was not cleared");
676 
677     num = PyLong_FromString("-FF", NULL, 16);
678     if (num == NULL)
679         return NULL;
680     overflow = 0;
681     value = PyLong_AsLongAndOverflow(num, &overflow);
682     Py_DECREF(num);
683     if (value == -1 && PyErr_Occurred())
684         return NULL;
685     if (value != -0xFF)
686         return raiseTestError("test_long_and_overflow",
687             "expected return value 0xFF");
688     if (overflow != 0)
689         return raiseTestError("test_long_and_overflow",
690             "overflow was set incorrectly");
691 
692     num = PyLong_FromLong(LONG_MAX);
693     if (num == NULL)
694         return NULL;
695     overflow = 1234;
696     value = PyLong_AsLongAndOverflow(num, &overflow);
697     Py_DECREF(num);
698     if (value == -1 && PyErr_Occurred())
699         return NULL;
700     if (value != LONG_MAX)
701         return raiseTestError("test_long_and_overflow",
702             "expected return value LONG_MAX");
703     if (overflow != 0)
704         return raiseTestError("test_long_and_overflow",
705             "overflow was not cleared");
706 
707     num = PyLong_FromLong(LONG_MIN);
708     if (num == NULL)
709         return NULL;
710     overflow = 0;
711     value = PyLong_AsLongAndOverflow(num, &overflow);
712     Py_DECREF(num);
713     if (value == -1 && PyErr_Occurred())
714         return NULL;
715     if (value != LONG_MIN)
716         return raiseTestError("test_long_and_overflow",
717             "expected return value LONG_MIN");
718     if (overflow != 0)
719         return raiseTestError("test_long_and_overflow",
720             "overflow was not cleared");
721 
722     Py_INCREF(Py_None);
723     return Py_None;
724 }
725 
726 /* Test the PyLong_AsLongLongAndOverflow API. General conversion to
727    PY_LONG_LONG is tested by test_long_api_inner. This test will
728    concentrate on proper handling of overflow.
729 */
730 
731 static PyObject *
test_long_long_and_overflow(PyObject * self)732 test_long_long_and_overflow(PyObject *self)
733 {
734     PyObject *num, *one, *temp;
735     PY_LONG_LONG value;
736     int overflow;
737 
738     /* Test that overflow is set properly for a large value. */
739     /* num is a number larger than PY_LLONG_MAX on a typical machine. */
740     num = PyLong_FromString("FFFFFFFFFFFFFFFFFFFFFFFF", NULL, 16);
741     if (num == NULL)
742         return NULL;
743     overflow = 1234;
744     value = PyLong_AsLongLongAndOverflow(num, &overflow);
745     Py_DECREF(num);
746     if (value == -1 && PyErr_Occurred())
747         return NULL;
748     if (value != -1)
749         return raiseTestError("test_long_long_and_overflow",
750             "return value was not set to -1");
751     if (overflow != 1)
752         return raiseTestError("test_long_long_and_overflow",
753             "overflow was not set to 1");
754 
755     /* Same again, with num = PY_LLONG_MAX + 1 */
756     num = PyLong_FromLongLong(PY_LLONG_MAX);
757     if (num == NULL)
758         return NULL;
759     one = PyLong_FromLong(1L);
760     if (one == NULL) {
761         Py_DECREF(num);
762         return NULL;
763     }
764     temp = PyNumber_Add(num, one);
765     Py_DECREF(one);
766     Py_DECREF(num);
767     num = temp;
768     if (num == NULL)
769         return NULL;
770     overflow = 0;
771     value = PyLong_AsLongLongAndOverflow(num, &overflow);
772     Py_DECREF(num);
773     if (value == -1 && PyErr_Occurred())
774         return NULL;
775     if (value != -1)
776         return raiseTestError("test_long_long_and_overflow",
777             "return value was not set to -1");
778     if (overflow != 1)
779         return raiseTestError("test_long_long_and_overflow",
780             "overflow was not set to 1");
781 
782     /* Test that overflow is set properly for a large negative value. */
783     /* num is a number smaller than PY_LLONG_MIN on a typical platform */
784     num = PyLong_FromString("-FFFFFFFFFFFFFFFFFFFFFFFF", NULL, 16);
785     if (num == NULL)
786         return NULL;
787     overflow = 1234;
788     value = PyLong_AsLongLongAndOverflow(num, &overflow);
789     Py_DECREF(num);
790     if (value == -1 && PyErr_Occurred())
791         return NULL;
792     if (value != -1)
793         return raiseTestError("test_long_long_and_overflow",
794             "return value was not set to -1");
795     if (overflow != -1)
796         return raiseTestError("test_long_long_and_overflow",
797             "overflow was not set to -1");
798 
799     /* Same again, with num = PY_LLONG_MIN - 1 */
800     num = PyLong_FromLongLong(PY_LLONG_MIN);
801     if (num == NULL)
802         return NULL;
803     one = PyLong_FromLong(1L);
804     if (one == NULL) {
805         Py_DECREF(num);
806         return NULL;
807     }
808     temp = PyNumber_Subtract(num, one);
809     Py_DECREF(one);
810     Py_DECREF(num);
811     num = temp;
812     if (num == NULL)
813         return NULL;
814     overflow = 0;
815     value = PyLong_AsLongLongAndOverflow(num, &overflow);
816     Py_DECREF(num);
817     if (value == -1 && PyErr_Occurred())
818         return NULL;
819     if (value != -1)
820         return raiseTestError("test_long_long_and_overflow",
821             "return value was not set to -1");
822     if (overflow != -1)
823         return raiseTestError("test_long_long_and_overflow",
824             "overflow was not set to -1");
825 
826     /* Test that overflow is cleared properly for small values. */
827     num = PyLong_FromString("FF", NULL, 16);
828     if (num == NULL)
829         return NULL;
830     overflow = 1234;
831     value = PyLong_AsLongLongAndOverflow(num, &overflow);
832     Py_DECREF(num);
833     if (value == -1 && PyErr_Occurred())
834         return NULL;
835     if (value != 0xFF)
836         return raiseTestError("test_long_long_and_overflow",
837             "expected return value 0xFF");
838     if (overflow != 0)
839         return raiseTestError("test_long_long_and_overflow",
840             "overflow was not cleared");
841 
842     num = PyLong_FromString("-FF", NULL, 16);
843     if (num == NULL)
844         return NULL;
845     overflow = 0;
846     value = PyLong_AsLongLongAndOverflow(num, &overflow);
847     Py_DECREF(num);
848     if (value == -1 && PyErr_Occurred())
849         return NULL;
850     if (value != -0xFF)
851         return raiseTestError("test_long_long_and_overflow",
852             "expected return value 0xFF");
853     if (overflow != 0)
854         return raiseTestError("test_long_long_and_overflow",
855             "overflow was set incorrectly");
856 
857     num = PyLong_FromLongLong(PY_LLONG_MAX);
858     if (num == NULL)
859         return NULL;
860     overflow = 1234;
861     value = PyLong_AsLongLongAndOverflow(num, &overflow);
862     Py_DECREF(num);
863     if (value == -1 && PyErr_Occurred())
864         return NULL;
865     if (value != PY_LLONG_MAX)
866         return raiseTestError("test_long_long_and_overflow",
867             "expected return value PY_LLONG_MAX");
868     if (overflow != 0)
869         return raiseTestError("test_long_long_and_overflow",
870             "overflow was not cleared");
871 
872     num = PyLong_FromLongLong(PY_LLONG_MIN);
873     if (num == NULL)
874         return NULL;
875     overflow = 0;
876     value = PyLong_AsLongLongAndOverflow(num, &overflow);
877     Py_DECREF(num);
878     if (value == -1 && PyErr_Occurred())
879         return NULL;
880     if (value != PY_LLONG_MIN)
881         return raiseTestError("test_long_long_and_overflow",
882             "expected return value PY_LLONG_MIN");
883     if (overflow != 0)
884         return raiseTestError("test_long_long_and_overflow",
885             "overflow was not cleared");
886 
887     Py_INCREF(Py_None);
888     return Py_None;
889 }
890 
891 /* Test the L code for PyArg_ParseTuple.  This should deliver a PY_LONG_LONG
892    for both long and int arguments.  The test may leak a little memory if
893    it fails.
894 */
895 static PyObject *
test_L_code(PyObject * self)896 test_L_code(PyObject *self)
897 {
898     PyObject *tuple, *num;
899     PY_LONG_LONG value;
900 
901     tuple = PyTuple_New(1);
902     if (tuple == NULL)
903         return NULL;
904 
905     num = PyLong_FromLong(42);
906     if (num == NULL)
907         return NULL;
908 
909     PyTuple_SET_ITEM(tuple, 0, num);
910 
911     value = -1;
912     if (!PyArg_ParseTuple(tuple, "L:test_L_code", &value)) {
913         return NULL;
914     }
915     if (value != 42)
916         return raiseTestError("test_L_code",
917             "L code returned wrong value for long 42");
918 
919     Py_DECREF(num);
920     num = PyInt_FromLong(42);
921     if (num == NULL)
922         return NULL;
923 
924     PyTuple_SET_ITEM(tuple, 0, num);
925 
926     value = -1;
927     if (!PyArg_ParseTuple(tuple, "L:test_L_code", &value)) {
928         return NULL;
929     }
930     if (value != 42)
931         return raiseTestError("test_L_code",
932             "L code returned wrong value for int 42");
933 
934     Py_DECREF(tuple);
935     Py_INCREF(Py_None);
936     return Py_None;
937 }
938 
939 #endif  /* ifdef HAVE_LONG_LONG */
940 
941 static PyObject *
return_none(void * unused)942 return_none(void *unused)
943 {
944     Py_RETURN_NONE;
945 }
946 
947 static PyObject *
raise_error(void * unused)948 raise_error(void *unused)
949 {
950     PyErr_SetNone(PyExc_ValueError);
951     return NULL;
952 }
953 
954 static int
test_buildvalue_N_error(const char * fmt)955 test_buildvalue_N_error(const char *fmt)
956 {
957     PyObject *arg, *res;
958 
959     arg = PyList_New(0);
960     if (arg == NULL) {
961         return -1;
962     }
963 
964     Py_INCREF(arg);
965     res = Py_BuildValue(fmt, return_none, NULL, arg);
966     if (res == NULL) {
967         return -1;
968     }
969     Py_DECREF(res);
970     if (Py_REFCNT(arg) != 1) {
971         PyErr_Format(TestError, "test_buildvalue_N: "
972                      "arg was not decrefed in successful "
973                      "Py_BuildValue(\"%s\")", fmt);
974         return -1;
975     }
976 
977     Py_INCREF(arg);
978     res = Py_BuildValue(fmt, raise_error, NULL, arg);
979     if (res != NULL || !PyErr_Occurred()) {
980         PyErr_Format(TestError, "test_buildvalue_N: "
981                      "Py_BuildValue(\"%s\") didn't complain", fmt);
982         return -1;
983     }
984     PyErr_Clear();
985     if (Py_REFCNT(arg) != 1) {
986         PyErr_Format(TestError, "test_buildvalue_N: "
987                      "arg was not decrefed in failed "
988                      "Py_BuildValue(\"%s\")", fmt);
989         return -1;
990     }
991     Py_DECREF(arg);
992     return 0;
993 }
994 
995 static PyObject *
test_buildvalue_N(PyObject * self,PyObject * noargs)996 test_buildvalue_N(PyObject *self, PyObject *noargs)
997 {
998     PyObject *arg, *res;
999 
1000     arg = PyList_New(0);
1001     if (arg == NULL) {
1002         return NULL;
1003     }
1004     Py_INCREF(arg);
1005     res = Py_BuildValue("N", arg);
1006     if (res == NULL) {
1007         return NULL;
1008     }
1009     if (res != arg) {
1010         return raiseTestError("test_buildvalue_N",
1011                               "Py_BuildValue(\"N\") returned wrong result");
1012     }
1013     if (Py_REFCNT(arg) != 2) {
1014         return raiseTestError("test_buildvalue_N",
1015                               "arg was not decrefed in Py_BuildValue(\"N\")");
1016     }
1017     Py_DECREF(res);
1018     Py_DECREF(arg);
1019 
1020     if (test_buildvalue_N_error("O&N") < 0)
1021         return NULL;
1022     if (test_buildvalue_N_error("(O&N)") < 0)
1023         return NULL;
1024     if (test_buildvalue_N_error("[O&N]") < 0)
1025         return NULL;
1026     if (test_buildvalue_N_error("{O&N}") < 0)
1027         return NULL;
1028     if (test_buildvalue_N_error("{()O&(())N}") < 0)
1029         return NULL;
1030 
1031     Py_RETURN_NONE;
1032 }
1033 
1034 
1035 static PyObject *
get_args(PyObject * self,PyObject * args)1036 get_args(PyObject *self, PyObject *args)
1037 {
1038     if (args == NULL) {
1039         args = Py_None;
1040     }
1041     Py_INCREF(args);
1042     return args;
1043 }
1044 
1045 static PyObject *
get_kwargs(PyObject * self,PyObject * args,PyObject * kwargs)1046 get_kwargs(PyObject *self, PyObject *args, PyObject *kwargs)
1047 {
1048     if (kwargs == NULL) {
1049         kwargs = Py_None;
1050     }
1051     Py_INCREF(kwargs);
1052     return kwargs;
1053 }
1054 
1055 /* Test tuple argument processing */
1056 static PyObject *
getargs_tuple(PyObject * self,PyObject * args)1057 getargs_tuple(PyObject *self, PyObject *args)
1058 {
1059     int a, b, c;
1060     if (!PyArg_ParseTuple(args, "i(ii)", &a, &b, &c))
1061         return NULL;
1062     return Py_BuildValue("iii", a, b, c);
1063 }
1064 
1065 /* test PyArg_ParseTupleAndKeywords */
getargs_keywords(PyObject * self,PyObject * args,PyObject * kwargs)1066 static PyObject *getargs_keywords(PyObject *self, PyObject *args, PyObject *kwargs)
1067 {
1068     static char *keywords[] = {"arg1","arg2","arg3","arg4","arg5", NULL};
1069     static char *fmt="(ii)i|(i(ii))(iii)i";
1070     int int_args[10]={-1, -1, -1, -1, -1, -1, -1, -1, -1, -1};
1071 
1072     if (!PyArg_ParseTupleAndKeywords(args, kwargs, fmt, keywords,
1073         &int_args[0], &int_args[1], &int_args[2], &int_args[3], &int_args[4],
1074         &int_args[5], &int_args[6], &int_args[7], &int_args[8], &int_args[9]))
1075         return NULL;
1076     return Py_BuildValue("iiiiiiiiii",
1077         int_args[0], int_args[1], int_args[2], int_args[3], int_args[4],
1078         int_args[5], int_args[6], int_args[7], int_args[8], int_args[9]);
1079 }
1080 
1081 /* Functions to call PyArg_ParseTuple with integer format codes,
1082    and return the result.
1083 */
1084 static PyObject *
getargs_b(PyObject * self,PyObject * args)1085 getargs_b(PyObject *self, PyObject *args)
1086 {
1087     unsigned char value;
1088     if (!PyArg_ParseTuple(args, "b", &value))
1089         return NULL;
1090     return PyLong_FromUnsignedLong((unsigned long)value);
1091 }
1092 
1093 static PyObject *
getargs_B(PyObject * self,PyObject * args)1094 getargs_B(PyObject *self, PyObject *args)
1095 {
1096     unsigned char value;
1097     if (!PyArg_ParseTuple(args, "B", &value))
1098         return NULL;
1099     return PyLong_FromUnsignedLong((unsigned long)value);
1100 }
1101 
1102 static PyObject *
getargs_h(PyObject * self,PyObject * args)1103 getargs_h(PyObject *self, PyObject *args)
1104 {
1105     short value;
1106     if (!PyArg_ParseTuple(args, "h", &value))
1107         return NULL;
1108     return PyLong_FromLong((long)value);
1109 }
1110 
1111 static PyObject *
getargs_H(PyObject * self,PyObject * args)1112 getargs_H(PyObject *self, PyObject *args)
1113 {
1114     unsigned short value;
1115     if (!PyArg_ParseTuple(args, "H", &value))
1116         return NULL;
1117     return PyLong_FromUnsignedLong((unsigned long)value);
1118 }
1119 
1120 static PyObject *
getargs_I(PyObject * self,PyObject * args)1121 getargs_I(PyObject *self, PyObject *args)
1122 {
1123     unsigned int value;
1124     if (!PyArg_ParseTuple(args, "I", &value))
1125         return NULL;
1126     return PyLong_FromUnsignedLong((unsigned long)value);
1127 }
1128 
1129 static PyObject *
getargs_k(PyObject * self,PyObject * args)1130 getargs_k(PyObject *self, PyObject *args)
1131 {
1132     unsigned long value;
1133     if (!PyArg_ParseTuple(args, "k", &value))
1134         return NULL;
1135     return PyLong_FromUnsignedLong(value);
1136 }
1137 
1138 static PyObject *
getargs_i(PyObject * self,PyObject * args)1139 getargs_i(PyObject *self, PyObject *args)
1140 {
1141     int value;
1142     if (!PyArg_ParseTuple(args, "i", &value))
1143         return NULL;
1144     return PyLong_FromLong((long)value);
1145 }
1146 
1147 static PyObject *
getargs_l(PyObject * self,PyObject * args)1148 getargs_l(PyObject *self, PyObject *args)
1149 {
1150     long value;
1151     if (!PyArg_ParseTuple(args, "l", &value))
1152         return NULL;
1153     return PyLong_FromLong(value);
1154 }
1155 
1156 static PyObject *
getargs_n(PyObject * self,PyObject * args)1157 getargs_n(PyObject *self, PyObject *args)
1158 {
1159     Py_ssize_t value;
1160     if (!PyArg_ParseTuple(args, "n", &value))
1161     return NULL;
1162     return PyInt_FromSsize_t(value);
1163 }
1164 
1165 #ifdef HAVE_LONG_LONG
1166 static PyObject *
getargs_L(PyObject * self,PyObject * args)1167 getargs_L(PyObject *self, PyObject *args)
1168 {
1169     PY_LONG_LONG value;
1170     if (!PyArg_ParseTuple(args, "L", &value))
1171         return NULL;
1172     return PyLong_FromLongLong(value);
1173 }
1174 
1175 static PyObject *
getargs_K(PyObject * self,PyObject * args)1176 getargs_K(PyObject *self, PyObject *args)
1177 {
1178     unsigned PY_LONG_LONG value;
1179     if (!PyArg_ParseTuple(args, "K", &value))
1180         return NULL;
1181     return PyLong_FromUnsignedLongLong(value);
1182 }
1183 #endif
1184 
1185 /* This function not only tests the 'k' getargs code, but also the
1186    PyInt_AsUnsignedLongMask() and PyInt_AsUnsignedLongMask() functions. */
1187 static PyObject *
test_k_code(PyObject * self)1188 test_k_code(PyObject *self)
1189 {
1190     PyObject *tuple, *num;
1191     unsigned long value;
1192 
1193     tuple = PyTuple_New(1);
1194     if (tuple == NULL)
1195         return NULL;
1196 
1197     /* a number larger than ULONG_MAX even on 64-bit platforms */
1198     num = PyLong_FromString("FFFFFFFFFFFFFFFFFFFFFFFF", NULL, 16);
1199     if (num == NULL)
1200         return NULL;
1201 
1202     value = PyInt_AsUnsignedLongMask(num);
1203     if (value != ULONG_MAX)
1204         return raiseTestError("test_k_code",
1205         "PyInt_AsUnsignedLongMask() returned wrong value for long 0xFFF...FFF");
1206 
1207     PyTuple_SET_ITEM(tuple, 0, num);
1208 
1209     value = 0;
1210     if (!PyArg_ParseTuple(tuple, "k:test_k_code", &value)) {
1211         return NULL;
1212     }
1213     if (value != ULONG_MAX)
1214         return raiseTestError("test_k_code",
1215             "k code returned wrong value for long 0xFFF...FFF");
1216 
1217     Py_DECREF(num);
1218     num = PyLong_FromString("-FFFFFFFF000000000000000042", NULL, 16);
1219     if (num == NULL)
1220         return NULL;
1221 
1222     value = PyInt_AsUnsignedLongMask(num);
1223     if (value != (unsigned long)-0x42)
1224         return raiseTestError("test_k_code",
1225         "PyInt_AsUnsignedLongMask() returned wrong value for long 0xFFF...FFF");
1226 
1227     PyTuple_SET_ITEM(tuple, 0, num);
1228 
1229     value = 0;
1230     if (!PyArg_ParseTuple(tuple, "k:test_k_code", &value)) {
1231         return NULL;
1232     }
1233     if (value != (unsigned long)-0x42)
1234         return raiseTestError("test_k_code",
1235             "k code returned wrong value for long -0xFFF..000042");
1236 
1237     Py_DECREF(tuple);
1238     Py_INCREF(Py_None);
1239     return Py_None;
1240 }
1241 
1242 static PyObject *
getargs_f(PyObject * self,PyObject * args)1243 getargs_f(PyObject *self, PyObject *args)
1244 {
1245     float f;
1246     if (!PyArg_ParseTuple(args, "f", &f))
1247         return NULL;
1248     return PyFloat_FromDouble(f);
1249 }
1250 
1251 static PyObject *
getargs_d(PyObject * self,PyObject * args)1252 getargs_d(PyObject *self, PyObject *args)
1253 {
1254     double d;
1255     if (!PyArg_ParseTuple(args, "d", &d))
1256         return NULL;
1257     return PyFloat_FromDouble(d);
1258 }
1259 
1260 static PyObject *
getargs_D(PyObject * self,PyObject * args)1261 getargs_D(PyObject *self, PyObject *args)
1262 {
1263     Py_complex cval;
1264     if (!PyArg_ParseTuple(args, "D", &cval))
1265         return NULL;
1266     return PyComplex_FromCComplex(cval);
1267 }
1268 
1269 static PyObject *
getargs_S(PyObject * self,PyObject * args)1270 getargs_S(PyObject *self, PyObject *args)
1271 {
1272     PyObject *obj;
1273     if (!PyArg_ParseTuple(args, "S", &obj))
1274         return NULL;
1275     Py_INCREF(obj);
1276     return obj;
1277 }
1278 
1279 static PyObject *
getargs_Y(PyObject * self,PyObject * args)1280 getargs_Y(PyObject *self, PyObject *args)
1281 {
1282     PyObject *obj;
1283     if (!PyArg_ParseTuple(args, "Y", &obj))
1284         return NULL;
1285     Py_INCREF(obj);
1286     return obj;
1287 }
1288 
1289 #ifdef Py_USING_UNICODE
1290 static PyObject *
getargs_U(PyObject * self,PyObject * args)1291 getargs_U(PyObject *self, PyObject *args)
1292 {
1293     PyObject *obj;
1294     if (!PyArg_ParseTuple(args, "U", &obj))
1295         return NULL;
1296     Py_INCREF(obj);
1297     return obj;
1298 }
1299 #endif
1300 
1301 static PyObject *
getargs_c(PyObject * self,PyObject * args)1302 getargs_c(PyObject *self, PyObject *args)
1303 {
1304     char c;
1305     if (!PyArg_ParseTuple(args, "c", &c))
1306         return NULL;
1307     return PyInt_FromLong((unsigned char)c);
1308 }
1309 
1310 static PyObject *
getargs_s(PyObject * self,PyObject * args)1311 getargs_s(PyObject *self, PyObject *args)
1312 {
1313     const char *str;
1314     if (!PyArg_ParseTuple(args, "s", &str))
1315         return NULL;
1316     return PyBytes_FromString(str);
1317 }
1318 
1319 static PyObject *
getargs_s_star(PyObject * self,PyObject * args)1320 getargs_s_star(PyObject *self, PyObject *args)
1321 {
1322     Py_buffer buffer;
1323     PyObject *bytes;
1324     if (!PyArg_ParseTuple(args, "s*", &buffer))
1325         return NULL;
1326     bytes = PyBytes_FromStringAndSize(buffer.buf, buffer.len);
1327     PyBuffer_Release(&buffer);
1328     return bytes;
1329 }
1330 
1331 static PyObject *
getargs_s_hash(PyObject * self,PyObject * args)1332 getargs_s_hash(PyObject *self, PyObject *args)
1333 {
1334     const char *str;
1335     int size;
1336     if (!PyArg_ParseTuple(args, "s#", &str, &size))
1337         return NULL;
1338     return PyBytes_FromStringAndSize(str, size);
1339 }
1340 
1341 static PyObject *
getargs_t_hash(PyObject * self,PyObject * args)1342 getargs_t_hash(PyObject *self, PyObject *args)
1343 {
1344     const char *str;
1345     int size;
1346     if (!PyArg_ParseTuple(args, "t#", &str, &size))
1347         return NULL;
1348     return PyBytes_FromStringAndSize(str, size);
1349 }
1350 
1351 static PyObject *
getargs_z(PyObject * self,PyObject * args)1352 getargs_z(PyObject *self, PyObject *args)
1353 {
1354     const char *str;
1355     if (!PyArg_ParseTuple(args, "z", &str))
1356         return NULL;
1357     if (str != NULL)
1358         return PyBytes_FromString(str);
1359     else
1360         Py_RETURN_NONE;
1361 }
1362 
1363 static PyObject *
getargs_z_star(PyObject * self,PyObject * args)1364 getargs_z_star(PyObject *self, PyObject *args)
1365 {
1366     Py_buffer buffer;
1367     PyObject *bytes;
1368     if (!PyArg_ParseTuple(args, "z*", &buffer))
1369         return NULL;
1370     if (buffer.buf != NULL)
1371         bytes = PyBytes_FromStringAndSize(buffer.buf, buffer.len);
1372     else {
1373         Py_INCREF(Py_None);
1374         bytes = Py_None;
1375     }
1376     PyBuffer_Release(&buffer);
1377     return bytes;
1378 }
1379 
1380 static PyObject *
getargs_z_hash(PyObject * self,PyObject * args)1381 getargs_z_hash(PyObject *self, PyObject *args)
1382 {
1383     const char *str;
1384     int size;
1385     if (!PyArg_ParseTuple(args, "z#", &str, &size))
1386         return NULL;
1387     if (str != NULL)
1388         return PyBytes_FromStringAndSize(str, size);
1389     else
1390         Py_RETURN_NONE;
1391 }
1392 
1393 static PyObject *
getargs_w(PyObject * self,PyObject * args)1394 getargs_w(PyObject *self, PyObject *args)
1395 {
1396     char *str;
1397     Py_ssize_t size;
1398 
1399     if (!PyArg_ParseTuple(args, "wn", &str, &size))
1400         return NULL;
1401 
1402     if (2 <= size) {
1403         str[0] = '[';
1404         str[size-1] = ']';
1405     }
1406 
1407     return PyBytes_FromStringAndSize(str, size);
1408 }
1409 
1410 static PyObject *
getargs_w_hash(PyObject * self,PyObject * args)1411 getargs_w_hash(PyObject *self, PyObject *args)
1412 {
1413     char *str;
1414     int size;
1415 
1416     if (!PyArg_ParseTuple(args, "w#", &str, &size))
1417         return NULL;
1418 
1419     if (2 <= size) {
1420         str[0] = '[';
1421         str[size-1] = ']';
1422     }
1423 
1424     return PyBytes_FromStringAndSize(str, size);
1425 }
1426 
1427 static PyObject *
getargs_w_star(PyObject * self,PyObject * args)1428 getargs_w_star(PyObject *self, PyObject *args)
1429 {
1430     Py_buffer buffer;
1431     PyObject *result;
1432     char *str;
1433 
1434     if (!PyArg_ParseTuple(args, "w*", &buffer))
1435         return NULL;
1436 
1437     if (2 <= buffer.len) {
1438         str = buffer.buf;
1439         str[0] = '[';
1440         str[buffer.len-1] = ']';
1441     }
1442 
1443     result = PyBytes_FromStringAndSize(buffer.buf, buffer.len);
1444     PyBuffer_Release(&buffer);
1445     return result;
1446 }
1447 
1448 #ifdef Py_USING_UNICODE
1449 
1450 static int
_ustrlen(const Py_UNICODE * u)1451 _ustrlen(const Py_UNICODE *u)
1452 {
1453     int i = 0;
1454     const Py_UNICODE *v = u;
1455     while (*v != 0) { i++; v++; }
1456     return i;
1457 }
1458 
1459 static PyObject *
getargs_u(PyObject * self,PyObject * args)1460 getargs_u(PyObject *self, PyObject *args)
1461 {
1462     const Py_UNICODE *str;
1463     int size;
1464     if (!PyArg_ParseTuple(args, "u", &str))
1465         return NULL;
1466     size = _ustrlen(str);
1467     return PyUnicode_FromUnicode(str, size);
1468 }
1469 
1470 static PyObject *
getargs_u_hash(PyObject * self,PyObject * args)1471 getargs_u_hash(PyObject *self, PyObject *args)
1472 {
1473     const Py_UNICODE *str;
1474     int size;
1475     if (!PyArg_ParseTuple(args, "u#", &str, &size))
1476         return NULL;
1477     return PyUnicode_FromUnicode(str, size);
1478 }
1479 
1480 #endif
1481 
1482 static PyObject *
getargs_es(PyObject * self,PyObject * args)1483 getargs_es(PyObject *self, PyObject *args)
1484 {
1485     PyObject *arg, *result;
1486     const char *encoding = NULL;
1487     char *str;
1488 
1489     if (!PyArg_ParseTuple(args, "O|s", &arg, &encoding))
1490         return NULL;
1491     if (!PyArg_Parse(arg, "es", encoding, &str))
1492         return NULL;
1493     result = PyBytes_FromString(str);
1494     PyMem_Free(str);
1495     return result;
1496 }
1497 
1498 static PyObject *
getargs_et(PyObject * self,PyObject * args)1499 getargs_et(PyObject *self, PyObject *args)
1500 {
1501     PyObject *arg, *result;
1502     const char *encoding = NULL;
1503     char *str;
1504 
1505     if (!PyArg_ParseTuple(args, "O|s", &arg, &encoding))
1506         return NULL;
1507     if (!PyArg_Parse(arg, "et", encoding, &str))
1508         return NULL;
1509     result = PyBytes_FromString(str);
1510     PyMem_Free(str);
1511     return result;
1512 }
1513 
1514 static PyObject *
getargs_es_hash(PyObject * self,PyObject * args)1515 getargs_es_hash(PyObject *self, PyObject *args)
1516 {
1517     PyObject *arg, *result;
1518     const char *encoding = NULL;
1519     PyByteArrayObject *buffer = NULL;
1520     char *str = NULL;
1521     int size;
1522 
1523     if (!PyArg_ParseTuple(args, "O|sO!",
1524                           &arg, &encoding, &PyByteArray_Type, &buffer))
1525         return NULL;
1526     if (buffer != NULL) {
1527         str = PyByteArray_AS_STRING(buffer);
1528         size = PyByteArray_GET_SIZE(buffer);
1529     }
1530     if (!PyArg_Parse(arg, "es#", encoding, &str, &size))
1531         return NULL;
1532     result = PyBytes_FromStringAndSize(str, size);
1533     if (buffer == NULL)
1534         PyMem_Free(str);
1535     return result;
1536 }
1537 
1538 static PyObject *
getargs_et_hash(PyObject * self,PyObject * args)1539 getargs_et_hash(PyObject *self, PyObject *args)
1540 {
1541     PyObject *arg, *result;
1542     const char *encoding = NULL;
1543     PyByteArrayObject *buffer = NULL;
1544     char *str = NULL;
1545     int size;
1546 
1547     if (!PyArg_ParseTuple(args, "O|sO!",
1548                           &arg, &encoding, &PyByteArray_Type, &buffer))
1549         return NULL;
1550     if (buffer != NULL) {
1551         str = PyByteArray_AS_STRING(buffer);
1552         size = PyByteArray_GET_SIZE(buffer);
1553     }
1554     if (!PyArg_Parse(arg, "et#", encoding, &str, &size))
1555         return NULL;
1556     result = PyBytes_FromStringAndSize(str, size);
1557     if (buffer == NULL)
1558         PyMem_Free(str);
1559     return result;
1560 }
1561 
1562 static PyObject *
get_indices(PyObject * self,PyObject * args)1563 get_indices(PyObject *self, PyObject *args)
1564 {
1565     int result;
1566     PySliceObject *slice;
1567     Py_ssize_t length, start, stop, step;
1568 
1569     if (!PyArg_ParseTuple(args, "On", &slice, &length))
1570         return NULL;
1571 
1572     result = PySlice_GetIndices(slice, length, &start, &stop, &step);
1573 
1574     if (PyErr_Occurred()) {
1575         assert(result == -1);
1576         return NULL;
1577     }
1578 
1579     if (result == -1) {
1580         Py_RETURN_NONE;
1581     }
1582     return Py_BuildValue("innn", result, start, stop, step);
1583 }
1584 
1585 static PyObject *
parse_tuple_and_keywords(PyObject * self,PyObject * args)1586 parse_tuple_and_keywords(PyObject *self, PyObject *args)
1587 {
1588     PyObject *sub_args;
1589     PyObject *sub_kwargs;
1590     const char *sub_format;
1591     PyObject *sub_keywords;
1592 
1593     Py_ssize_t i, size;
1594     char *keywords[8 + 1]; /* space for NULL at end */
1595     PyObject *o;
1596 
1597     int result;
1598     PyObject *return_value = NULL;
1599 
1600     double buffers[8][4]; /* double ensures alignment where necessary */
1601 
1602     if (!PyArg_ParseTuple(args, "OOsO:parse_tuple_and_keywords",
1603         &sub_args, &sub_kwargs,
1604         &sub_format, &sub_keywords))
1605         return NULL;
1606 
1607     if (!(PyList_CheckExact(sub_keywords) || PyTuple_CheckExact(sub_keywords))) {
1608         PyErr_SetString(PyExc_ValueError,
1609             "parse_tuple_and_keywords: sub_keywords must be either list or tuple");
1610         return NULL;
1611     }
1612 
1613     memset(buffers, 0, sizeof(buffers));
1614     memset(keywords, 0, sizeof(keywords));
1615 
1616     size = PySequence_Fast_GET_SIZE(sub_keywords);
1617     if (size > 8) {
1618         PyErr_SetString(PyExc_ValueError,
1619             "parse_tuple_and_keywords: too many keywords in sub_keywords");
1620         goto exit;
1621     }
1622 
1623     for (i = 0; i < size; i++) {
1624         o = PySequence_Fast_GET_ITEM(sub_keywords, i);
1625         keywords[i] = PyString_AsString(o);
1626         if (keywords[i] == NULL) {
1627             goto exit;
1628         }
1629     }
1630 
1631     result = PyArg_ParseTupleAndKeywords(sub_args, sub_kwargs,
1632         sub_format, keywords,
1633         buffers + 0, buffers + 1, buffers + 2, buffers + 3,
1634         buffers + 4, buffers + 5, buffers + 6, buffers + 7);
1635 
1636     if (result) {
1637         return_value = Py_None;
1638         Py_INCREF(Py_None);
1639     }
1640 
1641 exit:
1642     return return_value;
1643 }
1644 
1645 #ifdef Py_USING_UNICODE
1646 
1647 static volatile int x;
1648 
1649 /* Test the u and u# codes for PyArg_ParseTuple. May leak memory in case
1650    of an error.
1651 */
1652 static PyObject *
test_u_code(PyObject * self)1653 test_u_code(PyObject *self)
1654 {
1655     PyObject *tuple, *obj;
1656     Py_UNICODE *value;
1657     int len;
1658 
1659     /* issue4122: Undefined reference to _Py_ascii_whitespace on Windows */
1660     /* Just use the macro and check that it compiles */
1661     x = Py_UNICODE_ISSPACE(25);
1662 
1663     tuple = PyTuple_New(1);
1664     if (tuple == NULL)
1665         return NULL;
1666 
1667     obj = PyUnicode_Decode("test", strlen("test"),
1668                            "ascii", NULL);
1669     if (obj == NULL)
1670         return NULL;
1671 
1672     PyTuple_SET_ITEM(tuple, 0, obj);
1673 
1674     value = 0;
1675     if (!PyArg_ParseTuple(tuple, "u:test_u_code", &value)) {
1676         return NULL;
1677     }
1678     if (value != PyUnicode_AS_UNICODE(obj))
1679         return raiseTestError("test_u_code",
1680             "u code returned wrong value for u'test'");
1681     value = 0;
1682     if (!PyArg_ParseTuple(tuple, "u#:test_u_code", &value, &len)) {
1683         return NULL;
1684     }
1685     if (value != PyUnicode_AS_UNICODE(obj) ||
1686         len != PyUnicode_GET_SIZE(obj))
1687         return raiseTestError("test_u_code",
1688             "u# code returned wrong values for u'test'");
1689 
1690     Py_DECREF(tuple);
1691     Py_INCREF(Py_None);
1692     return Py_None;
1693 }
1694 
1695 static PyObject *
test_widechar(PyObject * self)1696 test_widechar(PyObject *self)
1697 {
1698 #if defined(SIZEOF_WCHAR_T) && (SIZEOF_WCHAR_T == 4)
1699     const wchar_t wtext[2] = {(wchar_t)0x10ABCDu};
1700     size_t wtextlen = 1;
1701 #else
1702     const wchar_t wtext[3] = {(wchar_t)0xDBEAu, (wchar_t)0xDFCDu};
1703     size_t wtextlen = 2;
1704 #endif
1705     PyObject *wide, *utf8;
1706 
1707     wide = PyUnicode_FromWideChar(wtext, wtextlen);
1708     if (wide == NULL)
1709         return NULL;
1710 
1711     utf8 = PyUnicode_FromString("\xf4\x8a\xaf\x8d");
1712     if (utf8 == NULL) {
1713         Py_DECREF(wide);
1714         return NULL;
1715     }
1716 
1717     if (PyUnicode_GET_SIZE(wide) != PyUnicode_GET_SIZE(utf8)) {
1718         Py_DECREF(wide);
1719         Py_DECREF(utf8);
1720         return raiseTestError("test_widechar",
1721                         "wide string and utf8 string have different length");
1722     }
1723     if (PyUnicode_Compare(wide, utf8)) {
1724         Py_DECREF(wide);
1725         Py_DECREF(utf8);
1726         if (PyErr_Occurred())
1727             return NULL;
1728         return raiseTestError("test_widechar",
1729                         "wide string and utf8 string are differents");
1730     }
1731 
1732     Py_DECREF(wide);
1733     Py_DECREF(utf8);
1734     Py_RETURN_NONE;
1735 }
1736 
1737 static PyObject *
unicode_encodedecimal(PyObject * self,PyObject * args)1738 unicode_encodedecimal(PyObject *self, PyObject *args)
1739 {
1740     Py_UNICODE *unicode;
1741     int length;
1742     char *errors = NULL;
1743     PyObject *decimal;
1744     Py_ssize_t decimal_length, new_length;
1745     int res;
1746 
1747     if (!PyArg_ParseTuple(args, "u#|s", &unicode, &length, &errors))
1748         return NULL;
1749 
1750     decimal_length = length * 10; /* len('&#1114111;') */
1751     decimal = PyBytes_FromStringAndSize(NULL, decimal_length);
1752     if (decimal == NULL)
1753         return NULL;
1754 
1755     res = PyUnicode_EncodeDecimal(unicode, length,
1756                                   PyBytes_AS_STRING(decimal),
1757                                   errors);
1758     if (res < 0) {
1759         Py_DECREF(decimal);
1760         return NULL;
1761     }
1762 
1763     new_length = strlen(PyBytes_AS_STRING(decimal));
1764     assert(new_length <= decimal_length);
1765     res = _PyBytes_Resize(&decimal, new_length);
1766     if (res < 0)
1767         return NULL;
1768 
1769     return decimal;
1770 }
1771 
1772 static PyObject *
test_empty_argparse(PyObject * self)1773 test_empty_argparse(PyObject *self)
1774 {
1775     /* Test that formats can begin with '|'. See issue #4720. */
1776     PyObject *tuple, *dict = NULL;
1777     static char *kwlist[] = {NULL};
1778     int result;
1779     tuple = PyTuple_New(0);
1780     if (!tuple)
1781         return NULL;
1782     if (!(result = PyArg_ParseTuple(tuple, "|:test_empty_argparse"))) {
1783         goto done;
1784     }
1785     dict = PyDict_New();
1786     if (!dict)
1787         goto done;
1788     result = PyArg_ParseTupleAndKeywords(tuple, dict, "|:test_empty_argparse", kwlist);
1789   done:
1790     Py_DECREF(tuple);
1791     Py_XDECREF(dict);
1792     if (!result) {
1793         return NULL;
1794     }
1795     else {
1796         Py_RETURN_NONE;
1797     }
1798 }
1799 
1800 static PyObject *
codec_incrementalencoder(PyObject * self,PyObject * args)1801 codec_incrementalencoder(PyObject *self, PyObject *args)
1802 {
1803     const char *encoding, *errors = NULL;
1804     if (!PyArg_ParseTuple(args, "s|s:test_incrementalencoder",
1805                           &encoding, &errors))
1806         return NULL;
1807     return PyCodec_IncrementalEncoder(encoding, errors);
1808 }
1809 
1810 static PyObject *
codec_incrementaldecoder(PyObject * self,PyObject * args)1811 codec_incrementaldecoder(PyObject *self, PyObject *args)
1812 {
1813     const char *encoding, *errors = NULL;
1814     if (!PyArg_ParseTuple(args, "s|s:test_incrementaldecoder",
1815                           &encoding, &errors))
1816         return NULL;
1817     return PyCodec_IncrementalDecoder(encoding, errors);
1818 }
1819 
1820 #endif
1821 
1822 /* Simple test of _PyLong_NumBits and _PyLong_Sign. */
1823 static PyObject *
test_long_numbits(PyObject * self)1824 test_long_numbits(PyObject *self)
1825 {
1826     struct triple {
1827         long input;
1828         size_t nbits;
1829         int sign;
1830     } testcases[] = {{0, 0, 0},
1831                      {1L, 1, 1},
1832                      {-1L, 1, -1},
1833                      {2L, 2, 1},
1834                      {-2L, 2, -1},
1835                      {3L, 2, 1},
1836                      {-3L, 2, -1},
1837                      {4L, 3, 1},
1838                      {-4L, 3, -1},
1839                      {0x7fffL, 15, 1},          /* one Python long digit */
1840              {-0x7fffL, 15, -1},
1841              {0xffffL, 16, 1},
1842              {-0xffffL, 16, -1},
1843              {0xfffffffL, 28, 1},
1844              {-0xfffffffL, 28, -1}};
1845     int i;
1846 
1847     for (i = 0; i < sizeof(testcases) / sizeof(struct triple); ++i) {
1848         PyObject *plong = PyLong_FromLong(testcases[i].input);
1849         size_t nbits = _PyLong_NumBits(plong);
1850         int sign = _PyLong_Sign(plong);
1851 
1852         Py_DECREF(plong);
1853         if (nbits != testcases[i].nbits)
1854             return raiseTestError("test_long_numbits",
1855                             "wrong result for _PyLong_NumBits");
1856         if (sign != testcases[i].sign)
1857             return raiseTestError("test_long_numbits",
1858                             "wrong result for _PyLong_Sign");
1859     }
1860     Py_INCREF(Py_None);
1861     return Py_None;
1862 }
1863 
1864 /* Example passing NULLs to PyObject_Str(NULL) and PyObject_Unicode(NULL). */
1865 
1866 static PyObject *
test_null_strings(PyObject * self)1867 test_null_strings(PyObject *self)
1868 {
1869     PyObject *o1 = PyObject_Str(NULL);
1870 #ifdef Py_USING_UNICODE
1871     PyObject *o2 = PyObject_Unicode(NULL);
1872 #else
1873     PyObject *o2 = PyObject_Str(NULL);
1874 #endif
1875     PyObject *tuple = PyTuple_Pack(2, o1, o2);
1876     Py_XDECREF(o1);
1877     Py_XDECREF(o2);
1878     return tuple;
1879 }
1880 
1881 static PyObject *
raise_exception(PyObject * self,PyObject * args)1882 raise_exception(PyObject *self, PyObject *args)
1883 {
1884     PyObject *exc;
1885     PyObject *exc_args, *v;
1886     int num_args, i;
1887 
1888     if (!PyArg_ParseTuple(args, "Oi:raise_exception",
1889                           &exc, &num_args))
1890         return NULL;
1891     if (!PyExceptionClass_Check(exc)) {
1892         PyErr_Format(PyExc_TypeError, "an exception class is required");
1893         return NULL;
1894     }
1895 
1896     exc_args = PyTuple_New(num_args);
1897     if (exc_args == NULL)
1898         return NULL;
1899     for (i = 0; i < num_args; ++i) {
1900         v = PyInt_FromLong(i);
1901         if (v == NULL) {
1902             Py_DECREF(exc_args);
1903             return NULL;
1904         }
1905         PyTuple_SET_ITEM(exc_args, i, v);
1906     }
1907     PyErr_SetObject(exc, exc_args);
1908     Py_DECREF(exc_args);
1909     return NULL;
1910 }
1911 
1912 static PyObject *
set_errno(PyObject * self,PyObject * args)1913 set_errno(PyObject *self, PyObject *args)
1914 {
1915     int new_errno;
1916 
1917     if (!PyArg_ParseTuple(args, "i:set_errno", &new_errno))
1918         return NULL;
1919 
1920     errno = new_errno;
1921     Py_RETURN_NONE;
1922 }
1923 
1924 #if defined(Py_USING_UNICODE) && !defined(Py_BUILD_CORE)
1925 static int test_run_counter = 0;
1926 
1927 static PyObject *
test_datetime_capi(PyObject * self,PyObject * args)1928 test_datetime_capi(PyObject *self, PyObject *args) {
1929     if (PyDateTimeAPI) {
1930         if (test_run_counter) {
1931             /* Probably regrtest.py -R */
1932             Py_RETURN_NONE;
1933         }
1934         else {
1935             PyErr_SetString(PyExc_AssertionError,
1936                             "PyDateTime_CAPI somehow initialized");
1937             return NULL;
1938         }
1939     }
1940     test_run_counter++;
1941     PyDateTime_IMPORT;
1942     if (PyDateTimeAPI)
1943         Py_RETURN_NONE;
1944     else
1945         return NULL;
1946 }
1947 #endif
1948 
1949 
1950 #ifdef WITH_THREAD
1951 
1952 /* test_thread_state spawns a thread of its own, and that thread releases
1953  * `thread_done` when it's finished.  The driver code has to know when the
1954  * thread finishes, because the thread uses a PyObject (the callable) that
1955  * may go away when the driver finishes.  The former lack of this explicit
1956  * synchronization caused rare segfaults, so rare that they were seen only
1957  * on a Mac buildbot (although they were possible on any box).
1958  */
1959 static PyThread_type_lock thread_done = NULL;
1960 
1961 static int
_make_call(void * callable)1962 _make_call(void *callable)
1963 {
1964     PyObject *rc;
1965     int success;
1966     PyGILState_STATE s = PyGILState_Ensure();
1967     rc = PyObject_CallFunction((PyObject *)callable, "");
1968     success = (rc != NULL);
1969     Py_XDECREF(rc);
1970     PyGILState_Release(s);
1971     return success;
1972 }
1973 
1974 /* Same thing, but releases `thread_done` when it returns.  This variant
1975  * should be called only from threads spawned by test_thread_state().
1976  */
1977 static void
_make_call_from_thread(void * callable)1978 _make_call_from_thread(void *callable)
1979 {
1980     _make_call(callable);
1981     PyThread_release_lock(thread_done);
1982 }
1983 
1984 static PyObject *
test_thread_state(PyObject * self,PyObject * args)1985 test_thread_state(PyObject *self, PyObject *args)
1986 {
1987     PyObject *fn;
1988     int success = 1;
1989 
1990     if (!PyArg_ParseTuple(args, "O:test_thread_state", &fn))
1991         return NULL;
1992 
1993     if (!PyCallable_Check(fn)) {
1994         PyErr_Format(PyExc_TypeError, "'%s' object is not callable",
1995             fn->ob_type->tp_name);
1996         return NULL;
1997     }
1998 
1999     /* Ensure Python is set up for threading */
2000     PyEval_InitThreads();
2001     thread_done = PyThread_allocate_lock();
2002     if (thread_done == NULL)
2003         return PyErr_NoMemory();
2004     PyThread_acquire_lock(thread_done, 1);
2005 
2006     /* Start a new thread with our callback. */
2007     PyThread_start_new_thread(_make_call_from_thread, fn);
2008     /* Make the callback with the thread lock held by this thread */
2009     success &= _make_call(fn);
2010     /* Do it all again, but this time with the thread-lock released */
2011     Py_BEGIN_ALLOW_THREADS
2012     success &= _make_call(fn);
2013     PyThread_acquire_lock(thread_done, 1);  /* wait for thread to finish */
2014     Py_END_ALLOW_THREADS
2015 
2016     /* And once more with and without a thread
2017        XXX - should use a lock and work out exactly what we are trying
2018        to test <wink>
2019     */
2020     Py_BEGIN_ALLOW_THREADS
2021     PyThread_start_new_thread(_make_call_from_thread, fn);
2022     success &= _make_call(fn);
2023     PyThread_acquire_lock(thread_done, 1);  /* wait for thread to finish */
2024     Py_END_ALLOW_THREADS
2025 
2026     /* Release lock we acquired above.  This is required on HP-UX. */
2027     PyThread_release_lock(thread_done);
2028 
2029     PyThread_free_lock(thread_done);
2030     if (!success)
2031         return NULL;
2032     Py_RETURN_NONE;
2033 }
2034 
2035 /* test Py_AddPendingCalls using threads */
_pending_callback(void * arg)2036 static int _pending_callback(void *arg)
2037 {
2038     /* we assume the argument is callable object to which we own a reference */
2039     PyObject *callable = (PyObject *)arg;
2040     PyObject *r = PyObject_CallObject(callable, NULL);
2041     Py_DECREF(callable);
2042     Py_XDECREF(r);
2043     return r != NULL ? 0 : -1;
2044 }
2045 
2046 /* The following requests n callbacks to _pending_callback.  It can be
2047  * run from any python thread.
2048  */
2049 static PyObject *
pending_threadfunc(PyObject * self,PyObject * arg)2050 pending_threadfunc(PyObject *self, PyObject *arg)
2051 {
2052     PyObject *callable;
2053     int r;
2054     if (PyArg_ParseTuple(arg, "O", &callable) == 0)
2055         return NULL;
2056 
2057     /* create the reference for the callbackwhile we hold the lock */
2058     Py_INCREF(callable);
2059 
2060     Py_BEGIN_ALLOW_THREADS
2061     r = Py_AddPendingCall(&_pending_callback, callable);
2062     Py_END_ALLOW_THREADS
2063 
2064     if (r<0) {
2065         Py_DECREF(callable); /* unsuccessful add, destroy the extra reference */
2066         Py_INCREF(Py_False);
2067         return Py_False;
2068     }
2069     Py_INCREF(Py_True);
2070     return Py_True;
2071 }
2072 #endif
2073 
2074 /* Some tests of PyString_FromFormat().  This needs more tests. */
2075 static PyObject *
test_string_from_format(PyObject * self,PyObject * args)2076 test_string_from_format(PyObject *self, PyObject *args)
2077 {
2078     PyObject *result;
2079     char *msg;
2080 
2081 #define CHECK_1_FORMAT(FORMAT, TYPE)                    \
2082     result = PyString_FromFormat(FORMAT, (TYPE)1);      \
2083     if (result == NULL)                                 \
2084         return NULL;                                    \
2085     if (strcmp(PyString_AsString(result), "1")) {       \
2086         msg = FORMAT " failed at 1";                    \
2087         goto Fail;                                      \
2088     }                                                   \
2089     Py_DECREF(result)
2090 
2091     CHECK_1_FORMAT("%d", int);
2092     CHECK_1_FORMAT("%ld", long);
2093     /* The z width modifier was added in Python 2.5. */
2094     CHECK_1_FORMAT("%zd", Py_ssize_t);
2095 
2096     /* The u type code was added in Python 2.5. */
2097     CHECK_1_FORMAT("%u", unsigned int);
2098     CHECK_1_FORMAT("%lu", unsigned long);
2099     CHECK_1_FORMAT("%zu", size_t);
2100 
2101     /* "%lld" and "%llu" support added in Python 2.7. */
2102 #ifdef HAVE_LONG_LONG
2103     CHECK_1_FORMAT("%llu", unsigned PY_LONG_LONG);
2104     CHECK_1_FORMAT("%lld", PY_LONG_LONG);
2105 #endif
2106 
2107     Py_RETURN_NONE;
2108 
2109  Fail:
2110     Py_XDECREF(result);
2111     return raiseTestError("test_string_from_format", msg);
2112 
2113 #undef CHECK_1_FORMAT
2114 }
2115 
2116 /* Coverage testing of capsule objects. */
2117 
2118 static const char *capsule_name = "capsule name";
2119 static       char *capsule_pointer = "capsule pointer";
2120 static       char *capsule_context = "capsule context";
2121 static const char *capsule_error = NULL;
2122 static int
2123 capsule_destructor_call_count = 0;
2124 
2125 static void
capsule_destructor(PyObject * o)2126 capsule_destructor(PyObject *o) {
2127     capsule_destructor_call_count++;
2128     if (PyCapsule_GetContext(o) != capsule_context) {
2129         capsule_error = "context did not match in destructor!";
2130     } else if (PyCapsule_GetDestructor(o) != capsule_destructor) {
2131         capsule_error = "destructor did not match in destructor!  (woah!)";
2132     } else if (PyCapsule_GetName(o) != capsule_name) {
2133         capsule_error = "name did not match in destructor!";
2134     } else if (PyCapsule_GetPointer(o, capsule_name) != capsule_pointer) {
2135         capsule_error = "pointer did not match in destructor!";
2136     }
2137 }
2138 
2139 typedef struct {
2140     char *name;
2141     char *module;
2142     char *attribute;
2143 } known_capsule;
2144 
2145 static PyObject *
test_capsule(PyObject * self,PyObject * args)2146 test_capsule(PyObject *self, PyObject *args)
2147 {
2148     PyObject *object;
2149     const char *error = NULL;
2150     void *pointer;
2151     void *pointer2;
2152     known_capsule known_capsules[] = {
2153         #define KNOWN_CAPSULE(module, name)             { module "." name, module, name }
2154         KNOWN_CAPSULE("_socket", "CAPI"),
2155         KNOWN_CAPSULE("_curses", "_C_API"),
2156         KNOWN_CAPSULE("datetime", "datetime_CAPI"),
2157         { NULL, NULL },
2158     };
2159     known_capsule *known = &known_capsules[0];
2160 
2161 #define FAIL(x) { error = (x); goto exit; }
2162 
2163 #define CHECK_DESTRUCTOR \
2164     if (capsule_error) { \
2165         FAIL(capsule_error); \
2166     } \
2167     else if (!capsule_destructor_call_count) {          \
2168         FAIL("destructor not called!"); \
2169     } \
2170     capsule_destructor_call_count = 0; \
2171 
2172     object = PyCapsule_New(capsule_pointer, capsule_name, capsule_destructor);
2173     PyCapsule_SetContext(object, capsule_context);
2174     capsule_destructor(object);
2175     CHECK_DESTRUCTOR;
2176     Py_DECREF(object);
2177     CHECK_DESTRUCTOR;
2178 
2179     object = PyCapsule_New(known, "ignored", NULL);
2180     PyCapsule_SetPointer(object, capsule_pointer);
2181     PyCapsule_SetName(object, capsule_name);
2182     PyCapsule_SetDestructor(object, capsule_destructor);
2183     PyCapsule_SetContext(object, capsule_context);
2184     capsule_destructor(object);
2185     CHECK_DESTRUCTOR;
2186     /* intentionally access using the wrong name */
2187     pointer2 = PyCapsule_GetPointer(object, "the wrong name");
2188     if (!PyErr_Occurred()) {
2189         FAIL("PyCapsule_GetPointer should have failed but did not!");
2190     }
2191     PyErr_Clear();
2192     if (pointer2) {
2193         if (pointer2 == capsule_pointer) {
2194             FAIL("PyCapsule_GetPointer should not have"
2195                      " returned the internal pointer!");
2196         } else {
2197             FAIL("PyCapsule_GetPointer should have "
2198                      "returned NULL pointer but did not!");
2199         }
2200     }
2201     PyCapsule_SetDestructor(object, NULL);
2202     Py_DECREF(object);
2203     if (capsule_destructor_call_count) {
2204         FAIL("destructor called when it should not have been!");
2205     }
2206 
2207     for (known = &known_capsules[0]; known->module != NULL; known++) {
2208         /* yeah, ordinarily I wouldn't do this either,
2209            but it's fine for this test harness.
2210         */
2211         static char buffer[256];
2212 #undef FAIL
2213 #define FAIL(x) \
2214         { \
2215         sprintf(buffer, "%s module: \"%s\" attribute: \"%s\"", \
2216             x, known->module, known->attribute); \
2217         error = buffer; \
2218         goto exit; \
2219         } \
2220 
2221         PyObject *module = PyImport_ImportModule(known->module);
2222         if (module) {
2223             pointer = PyCapsule_Import(known->name, 0);
2224             if (!pointer) {
2225                 Py_DECREF(module);
2226                 FAIL("PyCapsule_GetPointer returned NULL unexpectedly!");
2227             }
2228             object = PyObject_GetAttrString(module, known->attribute);
2229             if (!object) {
2230                 Py_DECREF(module);
2231                 return NULL;
2232             }
2233             pointer2 = PyCapsule_GetPointer(object,
2234                                     "weebles wobble but they don't fall down");
2235             if (!PyErr_Occurred()) {
2236                 Py_DECREF(object);
2237                 Py_DECREF(module);
2238                 FAIL("PyCapsule_GetPointer should have failed but did not!");
2239             }
2240             PyErr_Clear();
2241             if (pointer2) {
2242                 Py_DECREF(module);
2243                 Py_DECREF(object);
2244                 if (pointer2 == pointer) {
2245                     FAIL("PyCapsule_GetPointer should not have"
2246                              " returned its internal pointer!");
2247                 } else {
2248                     FAIL("PyCapsule_GetPointer should have"
2249                              " returned NULL pointer but did not!");
2250                 }
2251             }
2252             Py_DECREF(object);
2253             Py_DECREF(module);
2254         }
2255         else
2256             PyErr_Clear();
2257     }
2258 
2259   exit:
2260     if (error) {
2261         return raiseTestError("test_capsule", error);
2262     }
2263     Py_RETURN_NONE;
2264 #undef FAIL
2265 }
2266 
2267 /* This is here to provide a docstring for test_descr. */
2268 static PyObject *
test_with_docstring(PyObject * self)2269 test_with_docstring(PyObject *self)
2270 {
2271     Py_RETURN_NONE;
2272 }
2273 
2274 /* To test the format of tracebacks as printed out. */
2275 static PyObject *
traceback_print(PyObject * self,PyObject * args)2276 traceback_print(PyObject *self, PyObject *args)
2277 {
2278     PyObject *file;
2279     PyObject *traceback;
2280     int result;
2281 
2282     if (!PyArg_ParseTuple(args, "OO:traceback_print",
2283                             &traceback, &file))
2284         return NULL;
2285 
2286     result = PyTraceBack_Print(traceback, file);
2287     if (result < 0)
2288         return NULL;
2289     Py_RETURN_NONE;
2290 }
2291 
2292 /* To test that the result of PyCode_NewEmpty has the right members. */
2293 static PyObject *
code_newempty(PyObject * self,PyObject * args)2294 code_newempty(PyObject *self, PyObject *args)
2295 {
2296     const char *filename;
2297     const char *funcname;
2298     int firstlineno;
2299 
2300     if (!PyArg_ParseTuple(args, "ssi:code_newempty",
2301                           &filename, &funcname, &firstlineno))
2302         return NULL;
2303 
2304     return (PyObject *)PyCode_NewEmpty(filename, funcname, firstlineno);
2305 }
2306 
2307 /* Test PyErr_NewExceptionWithDoc (also exercise PyErr_NewException).
2308    Run via Lib/test/test_exceptions.py */
2309 static PyObject *
make_exception_with_doc(PyObject * self,PyObject * args,PyObject * kwargs)2310 make_exception_with_doc(PyObject *self, PyObject *args, PyObject *kwargs)
2311 {
2312     char *name;
2313     char *doc = NULL;
2314     PyObject *base = NULL;
2315     PyObject *dict = NULL;
2316 
2317     static char *kwlist[] = {"name", "doc", "base", "dict", NULL};
2318 
2319     if (!PyArg_ParseTupleAndKeywords(args, kwargs,
2320                     "s|sOO:make_exception_with_doc", kwlist,
2321                                      &name, &doc, &base, &dict))
2322         return NULL;
2323 
2324     return PyErr_NewExceptionWithDoc(name, doc, base, dict);
2325 }
2326 
2327 static PyObject *
sequence_delitem(PyObject * self,PyObject * args)2328 sequence_delitem(PyObject *self, PyObject *args)
2329 {
2330     PyObject *seq;
2331     Py_ssize_t i;
2332 
2333     if (!PyArg_ParseTuple(args, "On", &seq, &i))
2334         return NULL;
2335     if (PySequence_DelItem(seq, i) < 0)
2336         return NULL;
2337     Py_RETURN_NONE;
2338 }
2339 
2340 #ifdef WITH_THREAD
2341 typedef struct {
2342     PyThread_type_lock start_event;
2343     PyThread_type_lock exit_event;
2344     PyObject *callback;
2345 } test_c_thread_t;
2346 
2347 static void
temporary_c_thread(void * data)2348 temporary_c_thread(void *data)
2349 {
2350     test_c_thread_t *test_c_thread = data;
2351     PyGILState_STATE state;
2352     PyObject *res;
2353 
2354     PyThread_release_lock(test_c_thread->start_event);
2355 
2356     /* Allocate a Python thread state for this thread */
2357     state = PyGILState_Ensure();
2358 
2359     res = PyObject_CallFunction(test_c_thread->callback, "", NULL);
2360     Py_CLEAR(test_c_thread->callback);
2361 
2362     if (res == NULL) {
2363         PyErr_Print();
2364     }
2365     else {
2366         Py_DECREF(res);
2367     }
2368 
2369     /* Destroy the Python thread state for this thread */
2370     PyGILState_Release(state);
2371 
2372     PyThread_release_lock(test_c_thread->exit_event);
2373 
2374     PyThread_exit_thread();
2375 }
2376 
2377 static PyObject *
call_in_temporary_c_thread(PyObject * self,PyObject * callback)2378 call_in_temporary_c_thread(PyObject *self, PyObject *callback)
2379 {
2380     PyObject *res = NULL;
2381     test_c_thread_t test_c_thread;
2382     long thread;
2383 
2384     PyEval_InitThreads();
2385 
2386     test_c_thread.start_event = PyThread_allocate_lock();
2387     test_c_thread.exit_event = PyThread_allocate_lock();
2388     test_c_thread.callback = NULL;
2389     if (!test_c_thread.start_event || !test_c_thread.exit_event) {
2390         PyErr_SetString(PyExc_RuntimeError, "could not allocate lock");
2391         goto exit;
2392     }
2393 
2394     Py_INCREF(callback);
2395     test_c_thread.callback = callback;
2396 
2397     PyThread_acquire_lock(test_c_thread.start_event, 1);
2398     PyThread_acquire_lock(test_c_thread.exit_event, 1);
2399 
2400     thread = PyThread_start_new_thread(temporary_c_thread, &test_c_thread);
2401     if (thread == -1) {
2402         PyErr_SetString(PyExc_RuntimeError, "unable to start the thread");
2403         PyThread_release_lock(test_c_thread.start_event);
2404         PyThread_release_lock(test_c_thread.exit_event);
2405         goto exit;
2406     }
2407 
2408     PyThread_acquire_lock(test_c_thread.start_event, 1);
2409     PyThread_release_lock(test_c_thread.start_event);
2410 
2411     Py_BEGIN_ALLOW_THREADS
2412         PyThread_acquire_lock(test_c_thread.exit_event, 1);
2413         PyThread_release_lock(test_c_thread.exit_event);
2414     Py_END_ALLOW_THREADS
2415 
2416     Py_INCREF(Py_None);
2417     res = Py_None;
2418 
2419 exit:
2420     Py_CLEAR(test_c_thread.callback);
2421     if (test_c_thread.start_event)
2422         PyThread_free_lock(test_c_thread.start_event);
2423     if (test_c_thread.exit_event)
2424         PyThread_free_lock(test_c_thread.exit_event);
2425     return res;
2426 }
2427 #endif   /* WITH_THREAD */
2428 
2429 /* marshal */
2430 
2431 static PyObject*
pymarshal_write_long_to_file(PyObject * self,PyObject * args)2432 pymarshal_write_long_to_file(PyObject* self, PyObject *args)
2433 {
2434     long value;
2435     char *filename;
2436     int version;
2437     FILE *fp;
2438 
2439     if (!PyArg_ParseTuple(args, "lsi:pymarshal_write_long_to_file",
2440                           &value, &filename, &version))
2441         return NULL;
2442 
2443     fp = fopen(filename, "wb");
2444     if (fp == NULL) {
2445         PyErr_SetFromErrno(PyExc_OSError);
2446         return NULL;
2447     }
2448 
2449     PyMarshal_WriteLongToFile(value, fp, version);
2450 
2451     fclose(fp);
2452     if (PyErr_Occurred())
2453         return NULL;
2454     Py_RETURN_NONE;
2455 }
2456 
2457 static PyObject*
pymarshal_write_object_to_file(PyObject * self,PyObject * args)2458 pymarshal_write_object_to_file(PyObject* self, PyObject *args)
2459 {
2460     PyObject *obj;
2461     char *filename;
2462     int version;
2463     FILE *fp;
2464 
2465     if (!PyArg_ParseTuple(args, "Osi:pymarshal_write_object_to_file",
2466                           &obj, &filename, &version))
2467         return NULL;
2468 
2469     fp = fopen(filename, "wb");
2470     if (fp == NULL) {
2471         PyErr_SetFromErrno(PyExc_OSError);
2472         return NULL;
2473     }
2474 
2475     PyMarshal_WriteObjectToFile(obj, fp, version);
2476 
2477     fclose(fp);
2478     if (PyErr_Occurred())
2479         return NULL;
2480     Py_RETURN_NONE;
2481 }
2482 
2483 static PyObject*
pymarshal_read_short_from_file(PyObject * self,PyObject * args)2484 pymarshal_read_short_from_file(PyObject* self, PyObject *args)
2485 {
2486     int value;
2487     long pos;
2488     char *filename;
2489     FILE *fp;
2490 
2491     if (!PyArg_ParseTuple(args, "s:pymarshal_read_short_from_file", &filename))
2492         return NULL;
2493 
2494     fp = fopen(filename, "rb");
2495     if (fp == NULL) {
2496         PyErr_SetFromErrno(PyExc_OSError);
2497         return NULL;
2498     }
2499 
2500     value = PyMarshal_ReadShortFromFile(fp);
2501     pos = ftell(fp);
2502 
2503     fclose(fp);
2504     if (PyErr_Occurred())
2505         return NULL;
2506     return Py_BuildValue("il", value, pos);
2507 }
2508 
2509 static PyObject*
pymarshal_read_long_from_file(PyObject * self,PyObject * args)2510 pymarshal_read_long_from_file(PyObject* self, PyObject *args)
2511 {
2512     long value, pos;
2513     char *filename;
2514     FILE *fp;
2515 
2516     if (!PyArg_ParseTuple(args, "s:pymarshal_read_long_from_file", &filename))
2517         return NULL;
2518 
2519     fp = fopen(filename, "rb");
2520     if (fp == NULL) {
2521         PyErr_SetFromErrno(PyExc_OSError);
2522         return NULL;
2523     }
2524 
2525     value = PyMarshal_ReadLongFromFile(fp);
2526     pos = ftell(fp);
2527 
2528     fclose(fp);
2529     if (PyErr_Occurred())
2530         return NULL;
2531     return Py_BuildValue("ll", value, pos);
2532 }
2533 
2534 static PyObject*
pymarshal_read_last_object_from_file(PyObject * self,PyObject * args)2535 pymarshal_read_last_object_from_file(PyObject* self, PyObject *args)
2536 {
2537     PyObject *obj;
2538     long pos;
2539     char *filename;
2540     FILE *fp;
2541 
2542     if (!PyArg_ParseTuple(args, "s:pymarshal_read_last_object_from_file", &filename))
2543         return NULL;
2544 
2545     fp = fopen(filename, "rb");
2546     if (fp == NULL) {
2547         PyErr_SetFromErrno(PyExc_OSError);
2548         return NULL;
2549     }
2550 
2551     obj = PyMarshal_ReadLastObjectFromFile(fp);
2552     pos = ftell(fp);
2553 
2554     fclose(fp);
2555     return Py_BuildValue("Nl", obj, pos);
2556 }
2557 
2558 static PyObject*
pymarshal_read_object_from_file(PyObject * self,PyObject * args)2559 pymarshal_read_object_from_file(PyObject* self, PyObject *args)
2560 {
2561     PyObject *obj;
2562     long pos;
2563     char *filename;
2564     FILE *fp;
2565 
2566     if (!PyArg_ParseTuple(args, "s:pymarshal_read_object_from_file", &filename))
2567         return NULL;
2568 
2569     fp = fopen(filename, "rb");
2570     if (fp == NULL) {
2571         PyErr_SetFromErrno(PyExc_OSError);
2572         return NULL;
2573     }
2574 
2575     obj = PyMarshal_ReadObjectFromFile(fp);
2576     pos = ftell(fp);
2577 
2578     fclose(fp);
2579     return Py_BuildValue("Nl", obj, pos);
2580 }
2581 
2582 static PyObject*
test_raise_signal(PyObject * self,PyObject * args)2583 test_raise_signal(PyObject* self, PyObject *args)
2584 {
2585     int signum, err;
2586 
2587     if (!PyArg_ParseTuple(args, "i:raise_signal", &signum)) {
2588         return NULL;
2589     }
2590 
2591     err = raise(signum);
2592     if (err)
2593         return PyErr_SetFromErrno(PyExc_OSError);
2594 
2595     if (PyErr_CheckSignals() < 0)
2596         return NULL;
2597 
2598     Py_RETURN_NONE;
2599 }
2600 
2601 
2602 #ifdef MS_WINDOWS
2603 static PyObject*
msvcrt_CrtSetReportMode(PyObject * self,PyObject * args)2604 msvcrt_CrtSetReportMode(PyObject* self, PyObject *args)
2605 {
2606     int type, mode;
2607     int res;
2608 
2609     if (!PyArg_ParseTuple(args, "ii:CrtSetReportMode", &type, &mode)) {
2610         return NULL;
2611     }
2612 
2613     res = _CrtSetReportMode(type, mode);
2614     if (res == -1) {
2615         PyErr_SetFromErrno(PyExc_OSError);
2616         return NULL;
2617     }
2618     return PyInt_FromLong(res);
2619 }
2620 
2621 
2622 static PyObject*
msvcrt_CrtSetReportFile(PyObject * self,PyObject * args)2623 msvcrt_CrtSetReportFile(PyObject* self, PyObject *args)
2624 {
2625     int type, file;
2626     long res;
2627 
2628     if (!PyArg_ParseTuple(args, "ii:CrtSetReportFile", &type, &file)) {
2629         return NULL;
2630     }
2631 
2632     res = (long)_CrtSetReportFile(type, (_HFILE)file);
2633 
2634     return PyInt_FromLong(res);
2635 }
2636 #endif
2637 
2638 
2639 #ifdef W_STOPCODE
2640 static PyObject*
py_w_stopcode(PyObject * self,PyObject * args)2641 py_w_stopcode(PyObject *self, PyObject *args)
2642 {
2643     int sig, status;
2644     if (!PyArg_ParseTuple(args, "i", &sig)) {
2645         return NULL;
2646     }
2647     status = W_STOPCODE(sig);
2648     return PyLong_FromLong(status);
2649 }
2650 #endif
2651 
2652 
2653 /* Read memory from NULL (address 0) to raise a SIGSEGV or SIGBUS signal
2654    depending on the platform. This function is used by
2655    test.support._crash_python() to "crash" Python. */
2656 static PyObject *
read_null(PyObject * self,PyObject * args)2657 read_null(PyObject *self, PyObject *args)
2658 {
2659     volatile int *x;
2660     volatile int y;
2661 
2662     x = NULL;
2663     y = *x;
2664     return PyLong_FromLong(y);
2665 
2666 }
2667 
2668 
2669 static PyMethodDef TestMethods[] = {
2670     {"raise_exception",         raise_exception,                 METH_VARARGS},
2671     {"set_errno",               set_errno,                       METH_VARARGS},
2672     {"test_config",             (PyCFunction)test_config,        METH_NOARGS},
2673 #if defined(Py_USING_UNICODE) && !defined(Py_BUILD_CORE)
2674     {"test_datetime_capi",  test_datetime_capi,              METH_NOARGS},
2675 #endif
2676     {"test_list_api",           (PyCFunction)test_list_api,      METH_NOARGS},
2677     {"test_dict_iteration",     (PyCFunction)test_dict_iteration,METH_NOARGS},
2678     {"test_lazy_hash_inheritance",      (PyCFunction)test_lazy_hash_inheritance,METH_NOARGS},
2679     {"test_broken_memoryview",          (PyCFunction)test_broken_memoryview,METH_NOARGS},
2680     {"test_to_contiguous",      (PyCFunction)test_to_contiguous, METH_NOARGS},
2681     {"test_from_contiguous",    (PyCFunction)test_from_contiguous, METH_NOARGS},
2682     {"test_long_api",           (PyCFunction)test_long_api,      METH_NOARGS},
2683     {"test_long_and_overflow", (PyCFunction)test_long_and_overflow,
2684      METH_NOARGS},
2685     {"test_long_numbits",       (PyCFunction)test_long_numbits,  METH_NOARGS},
2686     {"test_k_code",             (PyCFunction)test_k_code,        METH_NOARGS},
2687 #ifdef Py_USING_UNICODE
2688     {"test_empty_argparse", (PyCFunction)test_empty_argparse,METH_NOARGS},
2689 #endif
2690     {"get_indices", get_indices, METH_VARARGS},
2691     {"parse_tuple_and_keywords", parse_tuple_and_keywords, METH_VARARGS},
2692     {"test_null_strings",       (PyCFunction)test_null_strings,  METH_NOARGS},
2693     {"test_string_from_format", (PyCFunction)test_string_from_format, METH_NOARGS},
2694     {"test_with_docstring", (PyCFunction)test_with_docstring, METH_NOARGS,
2695      PyDoc_STR("This is a pretty normal docstring.")},
2696 
2697     {"test_buildvalue_N",       test_buildvalue_N,               METH_NOARGS},
2698     {"get_args", get_args, METH_VARARGS},
2699     {"get_kwargs", (PyCFunction)get_kwargs, METH_VARARGS|METH_KEYWORDS},
2700     {"getargs_tuple",           getargs_tuple,                   METH_VARARGS},
2701     {"getargs_keywords", (PyCFunction)getargs_keywords,
2702       METH_VARARGS|METH_KEYWORDS},
2703     {"getargs_b",               getargs_b,                       METH_VARARGS},
2704     {"getargs_B",               getargs_B,                       METH_VARARGS},
2705     {"getargs_h",               getargs_h,                       METH_VARARGS},
2706     {"getargs_H",               getargs_H,                       METH_VARARGS},
2707     {"getargs_I",               getargs_I,                       METH_VARARGS},
2708     {"getargs_k",               getargs_k,                       METH_VARARGS},
2709     {"getargs_i",               getargs_i,                       METH_VARARGS},
2710     {"getargs_l",               getargs_l,                       METH_VARARGS},
2711     {"getargs_n",               getargs_n,                       METH_VARARGS},
2712 #ifdef HAVE_LONG_LONG
2713     {"getargs_L",               getargs_L,                       METH_VARARGS},
2714     {"getargs_K",               getargs_K,                       METH_VARARGS},
2715     {"test_longlong_api",       test_longlong_api,               METH_NOARGS},
2716     {"test_long_long_and_overflow",
2717         (PyCFunction)test_long_long_and_overflow, METH_NOARGS},
2718     {"test_L_code",             (PyCFunction)test_L_code,        METH_NOARGS},
2719 #endif
2720     {"getargs_f",               getargs_f,                       METH_VARARGS},
2721     {"getargs_d",               getargs_d,                       METH_VARARGS},
2722     {"getargs_D",               getargs_D,                       METH_VARARGS},
2723     {"getargs_S",               getargs_S,                       METH_VARARGS},
2724     {"getargs_Y",               getargs_Y,                       METH_VARARGS},
2725 #ifdef Py_USING_UNICODE
2726     {"getargs_U",               getargs_U,                       METH_VARARGS},
2727 #endif
2728     {"getargs_c",               getargs_c,                       METH_VARARGS},
2729     {"getargs_s",               getargs_s,                       METH_VARARGS},
2730     {"getargs_s_star",          getargs_s_star,                  METH_VARARGS},
2731     {"getargs_s_hash",          getargs_s_hash,                  METH_VARARGS},
2732     {"getargs_t_hash",          getargs_t_hash,                  METH_VARARGS},
2733     {"getargs_z",               getargs_z,                       METH_VARARGS},
2734     {"getargs_z_star",          getargs_z_star,                  METH_VARARGS},
2735     {"getargs_z_hash",          getargs_z_hash,                  METH_VARARGS},
2736     {"getargs_w",               getargs_w,                       METH_VARARGS},
2737     {"getargs_w_star",          getargs_w_star,                  METH_VARARGS},
2738     {"getargs_w_hash",          getargs_w_hash,                  METH_VARARGS},
2739 #ifdef Py_USING_UNICODE
2740     {"getargs_u",               getargs_u,                       METH_VARARGS},
2741     {"getargs_u_hash",          getargs_u_hash,                  METH_VARARGS},
2742 #endif
2743     {"getargs_es",              getargs_es,                      METH_VARARGS},
2744     {"getargs_et",              getargs_et,                      METH_VARARGS},
2745     {"getargs_es_hash",         getargs_es_hash,                 METH_VARARGS},
2746     {"getargs_et_hash",         getargs_et_hash,                 METH_VARARGS},
2747 #ifdef Py_USING_UNICODE
2748     {"codec_incrementalencoder",
2749      (PyCFunction)codec_incrementalencoder,      METH_VARARGS},
2750     {"codec_incrementaldecoder",
2751      (PyCFunction)codec_incrementaldecoder,      METH_VARARGS},
2752     {"test_u_code",             (PyCFunction)test_u_code,        METH_NOARGS},
2753     {"test_widechar",           (PyCFunction)test_widechar,      METH_NOARGS},
2754     {"unicode_encodedecimal",   unicode_encodedecimal,           METH_VARARGS},
2755 #endif
2756 #ifdef WITH_THREAD
2757     {"_test_thread_state",  test_thread_state,                   METH_VARARGS},
2758     {"_pending_threadfunc",     pending_threadfunc,              METH_VARARGS},
2759 #endif
2760     {"test_capsule", (PyCFunction)test_capsule, METH_NOARGS},
2761     {"traceback_print", traceback_print,                 METH_VARARGS},
2762     {"code_newempty", code_newempty,                     METH_VARARGS},
2763     {"make_exception_with_doc", (PyCFunction)make_exception_with_doc,
2764      METH_VARARGS | METH_KEYWORDS},
2765     {"sequence_delitem", (PyCFunction)sequence_delitem, METH_VARARGS},
2766 #ifdef WITH_THREAD
2767     {"call_in_temporary_c_thread", call_in_temporary_c_thread, METH_O,
2768      PyDoc_STR("set_error_class(error_class) -> None")},
2769 #endif
2770     {"pymarshal_write_long_to_file",
2771         pymarshal_write_long_to_file, METH_VARARGS},
2772     {"pymarshal_write_object_to_file",
2773         pymarshal_write_object_to_file, METH_VARARGS},
2774     {"pymarshal_read_short_from_file",
2775         pymarshal_read_short_from_file, METH_VARARGS},
2776     {"pymarshal_read_long_from_file",
2777         pymarshal_read_long_from_file, METH_VARARGS},
2778     {"pymarshal_read_last_object_from_file",
2779         pymarshal_read_last_object_from_file, METH_VARARGS},
2780     {"pymarshal_read_object_from_file",
2781         pymarshal_read_object_from_file, METH_VARARGS},
2782     {"raise_signal", (PyCFunction)test_raise_signal, METH_VARARGS},
2783 #ifdef MS_WINDOWS
2784     {"CrtSetReportMode", (PyCFunction)msvcrt_CrtSetReportMode, METH_VARARGS},
2785     {"CrtSetReportFile", (PyCFunction)msvcrt_CrtSetReportFile, METH_VARARGS},
2786 #endif
2787 #ifdef W_STOPCODE
2788     {"W_STOPCODE", py_w_stopcode, METH_VARARGS},
2789 #endif
2790     {"_read_null", (PyCFunction)read_null, METH_NOARGS},
2791     {NULL, NULL} /* sentinel */
2792 };
2793 
2794 #define AddSym(d, n, f, v) {PyObject *o = f(v); PyDict_SetItemString(d, n, o); Py_DECREF(o);}
2795 
2796 typedef struct {
2797     char bool_member;
2798     char byte_member;
2799     unsigned char ubyte_member;
2800     short short_member;
2801     unsigned short ushort_member;
2802     int int_member;
2803     unsigned int uint_member;
2804     long long_member;
2805     unsigned long ulong_member;
2806     float float_member;
2807     double double_member;
2808     char inplace_member[6];
2809 #ifdef HAVE_LONG_LONG
2810     PY_LONG_LONG longlong_member;
2811     unsigned PY_LONG_LONG ulonglong_member;
2812 #endif
2813 } all_structmembers;
2814 
2815 typedef struct {
2816     PyObject_HEAD
2817     all_structmembers structmembers;
2818 } test_structmembers;
2819 
2820 static struct PyMemberDef test_members[] = {
2821     {"T_BOOL", T_BOOL, offsetof(test_structmembers, structmembers.bool_member), 0, NULL},
2822     {"T_BYTE", T_BYTE, offsetof(test_structmembers, structmembers.byte_member), 0, NULL},
2823     {"T_UBYTE", T_UBYTE, offsetof(test_structmembers, structmembers.ubyte_member), 0, NULL},
2824     {"T_SHORT", T_SHORT, offsetof(test_structmembers, structmembers.short_member), 0, NULL},
2825     {"T_USHORT", T_USHORT, offsetof(test_structmembers, structmembers.ushort_member), 0, NULL},
2826     {"T_INT", T_INT, offsetof(test_structmembers, structmembers.int_member), 0, NULL},
2827     {"T_UINT", T_UINT, offsetof(test_structmembers, structmembers.uint_member), 0, NULL},
2828     {"T_LONG", T_LONG, offsetof(test_structmembers, structmembers.long_member), 0, NULL},
2829     {"T_ULONG", T_ULONG, offsetof(test_structmembers, structmembers.ulong_member), 0, NULL},
2830     {"T_FLOAT", T_FLOAT, offsetof(test_structmembers, structmembers.float_member), 0, NULL},
2831     {"T_DOUBLE", T_DOUBLE, offsetof(test_structmembers, structmembers.double_member), 0, NULL},
2832     {"T_STRING_INPLACE", T_STRING_INPLACE, offsetof(test_structmembers, structmembers.inplace_member), 0, NULL},
2833 #ifdef HAVE_LONG_LONG
2834     {"T_LONGLONG", T_LONGLONG, offsetof(test_structmembers, structmembers.longlong_member), 0, NULL},
2835     {"T_ULONGLONG", T_ULONGLONG, offsetof(test_structmembers, structmembers.ulonglong_member), 0, NULL},
2836 #endif
2837     {NULL}
2838 };
2839 
2840 
2841 static PyObject *
test_structmembers_new(PyTypeObject * type,PyObject * args,PyObject * kwargs)2842 test_structmembers_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
2843 {
2844     static char *keywords[] = {
2845         "T_BOOL", "T_BYTE", "T_UBYTE", "T_SHORT", "T_USHORT",
2846         "T_INT", "T_UINT", "T_LONG", "T_ULONG",
2847         "T_FLOAT", "T_DOUBLE", "T_STRING_INPLACE",
2848 #ifdef HAVE_LONG_LONG
2849         "T_LONGLONG", "T_ULONGLONG",
2850 #endif
2851         NULL};
2852     static char *fmt = "|bbBhHiIlkfds#"
2853 #ifdef HAVE_LONG_LONG
2854         "LK"
2855 #endif
2856         ;
2857     test_structmembers *ob;
2858     const char *s = NULL;
2859     int string_len = 0;
2860     ob = PyObject_New(test_structmembers, type);
2861     if (ob == NULL)
2862         return NULL;
2863     memset(&ob->structmembers, 0, sizeof(all_structmembers));
2864     if (!PyArg_ParseTupleAndKeywords(args, kwargs, fmt, keywords,
2865                                      &ob->structmembers.bool_member,
2866                                      &ob->structmembers.byte_member,
2867                                      &ob->structmembers.ubyte_member,
2868                                      &ob->structmembers.short_member,
2869                                      &ob->structmembers.ushort_member,
2870                                      &ob->structmembers.int_member,
2871                                      &ob->structmembers.uint_member,
2872                                      &ob->structmembers.long_member,
2873                                      &ob->structmembers.ulong_member,
2874                                      &ob->structmembers.float_member,
2875                                      &ob->structmembers.double_member,
2876                                      &s, &string_len
2877 #ifdef HAVE_LONG_LONG
2878                                      , &ob->structmembers.longlong_member,
2879                                      &ob->structmembers.ulonglong_member
2880 #endif
2881         )) {
2882         Py_DECREF(ob);
2883         return NULL;
2884     }
2885     if (s != NULL) {
2886         if (string_len > 5) {
2887             Py_DECREF(ob);
2888             PyErr_SetString(PyExc_ValueError, "string too long");
2889             return NULL;
2890         }
2891         strcpy(ob->structmembers.inplace_member, s);
2892     }
2893     else {
2894         strcpy(ob->structmembers.inplace_member, "");
2895     }
2896     return (PyObject *)ob;
2897 }
2898 
2899 static void
test_structmembers_free(PyObject * ob)2900 test_structmembers_free(PyObject *ob)
2901 {
2902     PyObject_FREE(ob);
2903 }
2904 
2905 static PyTypeObject test_structmembersType = {
2906     PyVarObject_HEAD_INIT(NULL, 0)
2907     "test_structmembersType",
2908     sizeof(test_structmembers),         /* tp_basicsize */
2909     0,                                  /* tp_itemsize */
2910     test_structmembers_free,            /* destructor tp_dealloc */
2911     0,                                  /* tp_print */
2912     0,                                  /* tp_getattr */
2913     0,                                  /* tp_setattr */
2914     0,                                  /* tp_compare */
2915     0,                                  /* tp_repr */
2916     0,                                  /* tp_as_number */
2917     0,                                  /* tp_as_sequence */
2918     0,                                  /* tp_as_mapping */
2919     0,                                  /* tp_hash */
2920     0,                                  /* tp_call */
2921     0,                                  /* tp_str */
2922     PyObject_GenericGetAttr,            /* tp_getattro */
2923     PyObject_GenericSetAttr,            /* tp_setattro */
2924     0,                                  /* tp_as_buffer */
2925     0,                                  /* tp_flags */
2926     "Type containing all structmember types",
2927     0,                                  /* traverseproc tp_traverse */
2928     0,                                  /* tp_clear */
2929     0,                                  /* tp_richcompare */
2930     0,                                  /* tp_weaklistoffset */
2931     0,                                  /* tp_iter */
2932     0,                                  /* tp_iternext */
2933     0,                                  /* tp_methods */
2934     test_members,                       /* tp_members */
2935     0,
2936     0,
2937     0,
2938     0,
2939     0,
2940     0,
2941     0,
2942     0,
2943     test_structmembers_new,             /* tp_new */
2944 };
2945 
2946 
2947 PyMODINIT_FUNC
init_testcapi(void)2948 init_testcapi(void)
2949 {
2950     PyObject *m;
2951 
2952     m = Py_InitModule("_testcapi", TestMethods);
2953     if (m == NULL)
2954         return;
2955 
2956     Py_TYPE(&_HashInheritanceTester_Type)=&PyType_Type;
2957 
2958     Py_TYPE(&test_structmembersType)=&PyType_Type;
2959     Py_INCREF(&test_structmembersType);
2960     /* don't use a name starting with "test", since we don't want
2961        test_capi to automatically call this */
2962     PyModule_AddObject(m, "_test_structmembersType", (PyObject *)&test_structmembersType);
2963 
2964     PyModule_AddObject(m, "CHAR_MAX", PyInt_FromLong(CHAR_MAX));
2965     PyModule_AddObject(m, "CHAR_MIN", PyInt_FromLong(CHAR_MIN));
2966     PyModule_AddObject(m, "UCHAR_MAX", PyInt_FromLong(UCHAR_MAX));
2967     PyModule_AddObject(m, "SHRT_MAX", PyInt_FromLong(SHRT_MAX));
2968     PyModule_AddObject(m, "SHRT_MIN", PyInt_FromLong(SHRT_MIN));
2969     PyModule_AddObject(m, "USHRT_MAX", PyInt_FromLong(USHRT_MAX));
2970     PyModule_AddObject(m, "INT_MAX",  PyLong_FromLong(INT_MAX));
2971     PyModule_AddObject(m, "INT_MIN",  PyLong_FromLong(INT_MIN));
2972     PyModule_AddObject(m, "UINT_MAX",  PyLong_FromUnsignedLong(UINT_MAX));
2973     PyModule_AddObject(m, "LONG_MAX", PyInt_FromLong(LONG_MAX));
2974     PyModule_AddObject(m, "LONG_MIN", PyInt_FromLong(LONG_MIN));
2975     PyModule_AddObject(m, "ULONG_MAX", PyLong_FromUnsignedLong(ULONG_MAX));
2976     PyModule_AddObject(m, "FLT_MAX", PyFloat_FromDouble(FLT_MAX));
2977     PyModule_AddObject(m, "FLT_MIN", PyFloat_FromDouble(FLT_MIN));
2978     PyModule_AddObject(m, "DBL_MAX", PyFloat_FromDouble(DBL_MAX));
2979     PyModule_AddObject(m, "DBL_MIN", PyFloat_FromDouble(DBL_MIN));
2980     PyModule_AddObject(m, "LLONG_MAX", PyLong_FromLongLong(PY_LLONG_MAX));
2981     PyModule_AddObject(m, "LLONG_MIN", PyLong_FromLongLong(PY_LLONG_MIN));
2982     PyModule_AddObject(m, "ULLONG_MAX", PyLong_FromUnsignedLongLong(PY_ULLONG_MAX));
2983     PyModule_AddObject(m, "PY_SSIZE_T_MAX", PyInt_FromSsize_t(PY_SSIZE_T_MAX));
2984     PyModule_AddObject(m, "PY_SSIZE_T_MIN", PyInt_FromSsize_t(PY_SSIZE_T_MIN));
2985     PyModule_AddObject(m, "SIZEOF_PYGC_HEAD", PyInt_FromSsize_t(sizeof(PyGC_Head)));
2986 
2987 #ifdef MS_WINDOWS
2988     PyModule_AddIntConstant(m, "CRT_WARN", _CRT_WARN);
2989     PyModule_AddIntConstant(m, "CRT_ERROR", _CRT_ERROR);
2990     PyModule_AddIntConstant(m, "CRT_ASSERT", _CRT_ASSERT);
2991     PyModule_AddIntConstant(m, "CRTDBG_MODE_FILE", _CRTDBG_MODE_FILE);
2992     PyModule_AddIntConstant(m, "CRTDBG_FILE_STDERR", (int)_CRTDBG_FILE_STDERR);
2993 #endif
2994 
2995     TestError = PyErr_NewException("_testcapi.error", NULL, NULL);
2996     Py_INCREF(TestError);
2997     PyModule_AddObject(m, "error", TestError);
2998 }
2999