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* bpo-35436: Add missing PyErr_NoMemory() calls and other minor bug fixes. ↵Zackery Spytz2018-12-071-1/+1
| | | | | | (GH-11015) Set MemoryError when appropriate, add missing failure checks, and fix some potential leaks.
* bpo-35365: Use a wchar_t* buffer in the code page decoder. (GH-10837)Serhiy Storchaka2018-12-041-60/+52
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* bpo-35372: Fix the code page decoder for input > 2 GiB. (GH-10848)Serhiy Storchaka2018-12-031-5/+4
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* Fix compiler warning in structseq_repr() (GH-10841)Victor Stinner2018-12-011-3/+3
| | | | | | | | | | | | Replace strncpy() with memcpy() in structseq_repr() to fix the following compiler warning: Objects/structseq.c:187:5: warning: 'strncpy' specified bound depends on the length of the source argument [-Wstringop-overflow=] strncpy(pbuf, typ->tp_name, len); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Objects/structseq.c:185:11: note: length computed here len = strlen(typ->tp_name) > TYPE_MAXSIZE ? TYPE_MAXSIZE : The function writes the terminating NUL byte later.
* bpo-34523, bpo-35322: Fix unicode_encode_locale() (GH-10759)Victor Stinner2018-11-281-7/+5
| | | | | | | | | Fix memory leak in PyUnicode_EncodeLocale() and PyUnicode_EncodeFSDefault() on error handling. Changes: * Fix unicode_encode_locale() error handling * Fix test_codecs.LocaleCodecTest
* bpo-33012: Fix more invalid function cast warnings with gcc 8. (GH-10751)Serhiy Storchaka2018-11-272-3/+3
| | | Fix warnings with gcc 8 for wrapperfunc <-> wrapperfunc_kwds casts.
* bpo-33029: Fix signatures of getter and setter functions. (GH-10746)Serhiy Storchaka2018-11-277-51/+56
| | | Fix also return type for few other functions (clear, releasebuffer).
* bpo-33954: Fix compiler warning in _PyUnicode_FastFill() (GH-10737)Victor Stinner2018-11-271-1/+4
| | | | | | | 'data' argument of unicode_fill() is modified, so it must not be constant. Add more assertions to unicode_fill(): check the maximum character value.
* bpo-33012: Fix invalid function cast warnings with gcc 8. (GH-6749)Serhiy Storchaka2018-11-276-23/+23
| | | | | | Fix invalid function cast warnings with gcc 8 for method conventions different from METH_NOARGS, METH_O and METH_VARARGS excluding Argument Clinic generated code.
* bpo-33012: Fix signatures of METH_NOARGS funstions. (GH-10736)Serhiy Storchaka2018-11-272-3/+3
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* bpo-33012: Fix invalid function cast warnings with gcc 8 in Argument Clinic. ↵Serhiy Storchaka2018-11-2710-66/+66
| | | | | | | | (GH-6748) Fix invalid function cast warnings with gcc 8 for method conventions different from METH_NOARGS, METH_O and METH_VARARGS in Argument Clinic generated code.
* bpo-33954: Fix _PyUnicode_InsertThousandsGrouping() (GH-10623)Victor Stinner2018-11-262-231/+200
| | | | | | | | | | | | Fix str.format(), float.__format__() and complex.__format__() methods for non-ASCII decimal point when using the "n" formatter. Changes: * Rewrite _PyUnicode_InsertThousandsGrouping(): it now requires a _PyUnicodeWriter object for the buffer and a Python str object for digits. * Rename FILL() macro to unicode_fill(), convert it to static inline function, add "assert(0 <= start);" and rework its code.
* bpo-35081: Add Include/internal/pycore_tupleobject.h (GH-10705)Victor Stinner2018-11-254-0/+4
| | | | Move _PyTuple_ITEMS() to a new header file: Include/internal/pycore_tupleobject.h
* bpo-35059: PyObject_INIT() casts to PyObject* (GH-10674)Victor Stinner2018-11-236-9/+9
| | | | | | PyObject_INIT() and PyObject_INIT_VAR() now cast their first argument to PyObject*, as done in Python 3.7. Revert partially commit b4435e20a92af474f117b78b98ddc6f515363af5.
* bpo-9263: Fix _PyObject_Dump() for freed object (#10661)Victor Stinner2018-11-221-0/+5
| | | | | | | If _PyObject_Dump() detects that the object is freed, don't try to dump it (exit immediately). Enhance also _PyObject_IsFreed(): it now detects if the pointer itself looks like freed memory.
* bpo-35059: Cast void* to PyObject* (GH-10650)Victor Stinner2018-11-221-3/+6
| | | Don't pass void* to Python macros: use _PyObject_CAST().
* bpo-35059: Cleanup usage of Python macros (GH-10648)Victor Stinner2018-11-221-1/+2
| | | | | | | | | | | | | Don't pass complex expressions but regular variables to Python macros. * _datetimemodule.c: split single large "if" into two "if" in date_new(), time_new() and datetime_new(). * _pickle.c, load_extension(): flatten complex "if" expression into more regular C code. * _ssl.c: addbool() now uses a temporary bool_obj to only evaluate the value once. * weakrefobject.c: replace "Py_INCREF(result = proxy);" with "result = proxy; Py_INCREF(result);"
* bpo-35059: Enhance _PyObject_AssertFailed() (GH-10642)Victor Stinner2018-11-211-10/+14
| | | | | | Enhance _PyObject_AssertFailed() * Exchange 'expr' and 'msg' parameters * 'expr' and 'func' arguments can now be NULL
* bpo-35081: Add Include/internal/pycore_object.h (GH-10640)Victor Stinner2018-11-2121-0/+21
| | | | Move _PyObject_GC_TRACK() and _PyObject_GC_UNTRACK() from Include/objimpl.h to Include/internal/pycore_object.h.
* bpo-35269: Fix a possible segfault involving a newly-created coroutine ↵Zackery Spytz2018-11-181-1/+1
| | | | | | | | | | | (GH-10585) coro->cr_origin wasn't initialized if compute_cr_origin() failed in PyCoro_New(), which would cause a crash during the coroutine's deallocation. https://bugs.python.org/issue35269
* bpo-34784: Implement correct cleanup in PyStructSequence new implementation ↵Pablo Galindo2018-11-151-0/+5
| | | | | | (GH-10536) PyTuple_Pack can fail and return NULL. If this happens, then PyType_FromSpecWithBases will incorrectly create a new type without bases. Also, it will crash on the Py_DECREF that follows. Also free members and type in error conditions.
* bpo-35230: dict: Remove some macros (GH-10513)INADA Naoki2018-11-141-42/+59
| | | | Remove _Py_REF_DEBUG_COMMA, DK_DEBUG_INCREF, and DK_DEBUG_DECREF. Convert DK_INCREF and DK_DECREF to static inline functions.
* bpo-35214: Fix OOB memory access in unicode escape parser (GH-10506)Gregory P. Smith2018-11-131-1/+1
| | | | | | Discovered using clang's MemorySanitizer when it ran python3's test_fstring test_misformed_unicode_character_name. An msan build will fail by simply executing: ./python -c 'u"\N"'
* bpo-34784: Fix PyStructSequence_NewType with heap-allocated StructSequence ↵Eddie Elizondo2018-11-132-96/+157
| | | | (GH-9665)
* bpo-35214: Add _Py_ prefix to MEMORY_SANITIZER def. (GH-10503)Gregory P. Smith2018-11-131-1/+1
| | | | Rename our new MEMORY_SANITIZER define to _Py_MEMORY_SANITIZER. Project based C Preprocessor namespacing at its finest. :P
* Disable getc_unlocked() with MemorySanitizer. (GH-10499)Gregory P. Smith2018-11-131-1/+2
| | | | clang's MemorySanitizer understand getc() but does not understand getc_unlocked(). Workaround: Don't use it on msan builds.
* bpo-35081: Rename internal headers (GH-10275)Victor Stinner2018-11-1226-36/+36
| | | | | | | | | | | | | | Rename Include/internal/ headers: * pycore_hash.h -> pycore_pyhash.h * pycore_lifecycle.h -> pycore_pylifecycle.h * pycore_mem.h -> pycore_pymem.h * pycore_state.h -> pycore_pystate.h Add missing headers to Makefile.pre.in and PCbuild: * pycore_condvar.h. * pycore_hamt.h * pycore_pyhash.h
* closes bpo-35204: Disable thread and memory sanitizers for ↵Alexey Izbyshev2018-11-111-12/+31
| | | | | | | | | address_in_range(). (GH-10442) This function may access memory which is mapped but is considered free by libc allocator. It behaves so by design, therefore we need to suppress sanitizer reports. GCC doesn't support MSan, so disable only TSan for it.
* Neaten the code without any algorithmic change. (GH-10466)Raymond Hettinger2018-11-111-5/+2
| | | Remove unneeded assertion (we already know so is a PySetObject *).
* bpo-35199: Add an internal _PyTuple_ITEMS() macro (GH-10434)Victor Stinner2018-11-094-15/+15
| | | | | | | * _PyTuple_ITEMS() gives access to the tuple->ob_item field and cast the first argument to PyTupleObject*. This internal macro is only usable if Py_BUILD_CORE is defined. * Replace &PyTuple_GET_ITEM(ob, 0) with _PyTuple_ITEMS(ob). * Replace PyTuple_GET_ITEM(op, 1) with &_PyTuple_ITEMS(ob)[1].
* Optimize set.pop() to advance a pointer instead of indexing. (GH-10429)Raymond Hettinger2018-11-091-7/+8
| | | | | Gives approx 20% speed-up using clang depending on the number of elements in the set (the less dense the set, the more the speed-up). Uses the same entry++ logic used elsewhere in the setobject.c code.
* bpo-35081: Add pycore_fileutils.h (GH-10371)Victor Stinner2018-11-061-0/+1
| | | | Move Py_BUILD_CORE code from Include/fileutils.h to a new Include/internal/pycore_fileutils.h file.
* bpo-33462: Add __reversed__ to dict and dict views (GH-6827)Rémi Lapeyre2018-11-063-6/+230
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* bpo-35081: Move accu.h to Include/internal/pycore_accu.h (GH-10271)Victor Stinner2018-11-013-3/+3
| | | | | | | The accu.h header is no longer part of the Python C API: it has been moved to the "internal" headers which are restricted to Python itself. Replace #include "accu.h" with #include "pycore_accu.h".
* bpo-35081: Add _PyThreadState_GET() internal macro (GH-10266)Victor Stinner2018-11-016-11/+11
| | | | | | | | | | | | | | | | | | | | | | | | | If Py_BUILD_CORE is defined, the PyThreadState_GET() macro access _PyRuntime which comes from the internal pycore_state.h header. Public headers must not require internal headers. Move PyThreadState_GET() and _PyInterpreterState_GET_UNSAFE() from Include/pystate.h to Include/internal/pycore_state.h, and rename PyThreadState_GET() to _PyThreadState_GET() there. The PyThreadState_GET() macro of pystate.h is now redefined when pycore_state.h is included, to use the fast _PyThreadState_GET(). Changes: * Add _PyThreadState_GET() macro * Replace "PyThreadState_GET()->interp" with _PyInterpreterState_GET_UNSAFE() * Replace PyThreadState_GET() with _PyThreadState_GET() in internal C files (compiled with Py_BUILD_CORE defined), but keep PyThreadState_GET() in the public header files. * _testcapimodule.c: replace PyThreadState_GET() with PyThreadState_Get(); the module is not compiled with Py_BUILD_CORE defined. * pycore_state.h now requires Py_BUILD_CORE to be defined.
* bpo-35081: Add pycore_ prefix to internal header files (GH-10263)Victor Stinner2018-10-3126-37/+37
| | | | | | | | | | | | | | | | | | | | * Rename Include/internal/ header files: * pyatomic.h -> pycore_atomic.h * ceval.h -> pycore_ceval.h * condvar.h -> pycore_condvar.h * context.h -> pycore_context.h * pygetopt.h -> pycore_getopt.h * gil.h -> pycore_gil.h * hamt.h -> pycore_hamt.h * hash.h -> pycore_hash.h * mem.h -> pycore_mem.h * pystate.h -> pycore_state.h * warnings.h -> pycore_warnings.h * PCbuild project, Makefile.pre.in, Modules/Setup: add the Include/internal/ directory to the search paths of header files. * Update includes. For example, replace #include "internal/mem.h" with #include "pycore_mem.h".
* bpo-35081: Move Py_BUILD_CORE code to internal/mem.h (GH-10249)Victor Stinner2018-10-311-0/+1
| | | | | * Add #include "internal/mem.h" to C files using _PyMem_SetDefaultAllocator(). * Include/internal/mem.h now requires Py_BUILD_CORE to be defined.
* Fix a possible crash in range.__reversed__(). (GH-10252)Zackery Spytz2018-10-311-0/+1
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* bpo-33138: Change standard error message for non-pickleable and non-copyable ↵Serhiy Storchaka2018-10-311-3/+3
| | | | types. (GH-6239)
* bpo-35081: Cleanup pystate.c and pystate.h (GH-10240)Victor Stinner2018-10-301-2/+2
| | | | | | | | | | | | * Remove _PyThreadState_Current * Replace GET_TSTATE() with PyThreadState_GET() * Replace GET_INTERP_STATE() with _PyInterpreterState_GET_UNSAFE() * Replace direct access to _PyThreadState_Current with PyThreadState_GET() * Replace _PyThreadState_Current with _PyRuntime.gilstate.tstate_current * Rename SET_TSTATE() to _PyThreadState_SET(), name more consistent with _PyThreadState_GET() * Update outdated comments
* bpo-35059: Convert _Py_Dealloc() to static inline function (GH-10223)Victor Stinner2018-10-301-15/+9
| | | | | Convert _Py_Dealloc() macro into a static inline function. Moreover, it is now also defined as a static inline function if Py_TRACE_REFS is defined.
* bpo-33237: Improve AttributeError message for partially initialized module. ↵Serhiy Storchaka2018-10-301-2/+39
| | | | (GH-6398)
* bpo-33234 Improve list() pre-sizing for inputs with known lengths (GH-9846)Pablo Galindo2018-10-281-0/+40
| | | | | | | | | | | | The list() constructor isn't taking full advantage of known input lengths or length hints. This commit makes the constructor pre-size and not over-allocate when the input size is known (the input collection implements __len__). One on the main advantages is that this provides 12% difference in memory savings due to the difference between overallocating and allocating exactly the input size. For efficiency purposes and to avoid a performance regression for small generators and collections, the size of the input object is calculated using __len__ and not __length_hint__, as the later is considerably slower.
* bpo-35064 prefix smelly symbols that appear with COUNT_ALLOCS with _Py_ ↵Pablo Galindo2018-10-284-23/+23
| | | | | | | (GH-10152) Configuring python with ./configure --with-pydebug CFLAGS="-D COUNT_ALLOCS -O0" makes "make smelly" fail as some symbols were being exported without the "Py_" or "_Py" prefixes.
* bpo-34751: improved hash function for tuples (GH-9471)jdemeyer2018-10-281-25/+46
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* bpo-9263: _PyXXX_CheckConsistency() use _PyObject_ASSERT() (GH-10108)Victor Stinner2018-10-263-52/+64
| | | | | | | | | | Use _PyObject_ASSERT() in: * _PyDict_CheckConsistency() * _PyType_CheckConsistency() * _PyUnicode_CheckConsistency() _PyObject_ASSERT() dumps the faulty object if the assertion fails to help debugging.
* bpo-9263: Use _PyObject_ASSERT() in typeobject.c (GH-10111)Victor Stinner2018-10-261-10/+13
| | | | Replace assert() with _PyObject_ASSERT() in Objects/typeobject.c to dump the faulty object on assertion failure to ease debugging.
* bpo-9263: Use _PyObject_ASSERT() in object.c (GH-10110)Victor Stinner2018-10-261-18/+22
| | | | Replace assert() with _PyObject_ASSERT() in Objects/object.c to dump the faulty object on assertion failure to ease debugging.
* bpo-35059: Convert PyObject_INIT() to function (GH-10077)Victor Stinner2018-10-266-9/+9
| | | | | * Convert PyObject_INIT() and PyObject_INIT_VAR() macros to static inline functions. * Fix usage of these functions: cast to PyObject* or PyVarObject*.
* bpo-9263: _Py_NegativeRefcount() use _PyObject_AssertFailed() (GH-10109)Victor Stinner2018-10-261-8/+5
| | | | _Py_NegativeRefcount() now uses _PyObject_AssertFailed() to dump the object to help debugging.
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