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* [3.7] gh-95778: Mention sys.set_int_max_str_digits() in error message ↵Miss Islington (bot)2022-10-041-2/+2
| | | | | | | | | | | | | | | (GH-96874) (GH-96877) (GH-97836) [3.9] gh-95778: Mention sys.set_int_max_str_digits() in error message (GH-96874) (GH-96877) When ValueError is raised if an integer is larger than the limit, mention sys.set_int_max_str_digits() in the error message. (cherry picked from commit e841ffc915e82e5ea6e3b473205417d63494808d) Co-authored-by: Ned Deily <nad@python.org> (cherry picked from commit 41188134bd2120f0cedd681ed88743c11c7f3742) Co-authored-by: Victor Stinner <vstinner@python.org>
* [3.7] gh-95778: CVE-2020-10735: Prevent DoS by very large int() (GH-96504)Gregory P. Smith2022-09-061-1/+61
| | | | | | | | | | | | | | | | Converting between `int` and `str` in bases other than 2 (binary), 4, 8 (octal), 16 (hexadecimal), or 32 such as base 10 (decimal) now raises a `ValueError` if the number of digits in string form is above a limit to avoid potential denial of service attacks due to the algorithmic complexity. This is a mitigation for CVE-2020-10735 (https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10735). This new limit can be configured or disabled by environment variable, command line flag, or :mod:`sys` APIs. See the `Integer String Conversion Length Limitation` documentation. The default limit is 4300 digits in string form. Patch by Gregory P. Smith [Google] and Christian Heimes [Red Hat] with feedback from Victor Stinner, Thomas Wouters, Steve Dower, Ned Deily, and Mark Dickinson.
* bpo-38096: Clean up the "struct sequence" / "named tuple" docs (GH-15895) ↵Paul Ganssle2019-09-121-1/+1
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* [3.7] bpo-37170: Fix the cast on error in PyLong_AsUnsignedLongLongMask() ↵Zackery Spytz2019-06-071-2/+2
| | | | | | | (GH-13860) (GH-13896) (cherry picked from commit dc2476500d91082f0c907772c83a044bf49af279) Co-authored-by: Zackery Spytz <zspytz@gmail.com>
* bpo-34899: Fix a possible assertion failure due to int_from_bytes_impl() ↵Miss Islington (bot)2018-10-051-1/+1
| | | | | | | | | (GH-9705) The _PyLong_FromByteArray() call in int_from_bytes_impl() was unchecked. (cherry picked from commit 7bb9cd0a6766fd3e7b3c1e8f2315304ae192b34c) Co-authored-by: Zackery Spytz <zspytz@gmail.com>
* PyLong_FromString(): fix Coverity CID 1424951 (#4738)Victor Stinner2017-12-071-3/+2
| | | | | | | | | | | Explicitly cast digits (Py_ssize_t) to double to fix the following false-alarm warning from Coverity: "fsize_z = digits * log_base_BASE[base] + 1;" CID 1424951: Incorrect expression (UNINTENDED_INTEGER_DIVISION) Dividing integer expressions "9223372036854775783UL" and "4UL", and then converting the integer quotient to type "double". Any remainder, or fractional part of the quotient, is ignored.
* bpo-31619: Fixed integer overflow in converting huge strings to int. (#3884)Serhiy Storchaka2017-12-031-3/+11
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* bpo-16055: Fixes incorrect error text for int('1', base=1000) (#4376)Sanyam Khurana2017-11-131-1/+1
| | | | | | * bpo-16055: Fixes incorrect error text for int('1', base=1000) * bpo-16055: Address review comments
* bpo-31979: Simplify transforming decimals to ASCII (#4336)Serhiy Storchaka2017-11-131-12/+9
| | | | | in int(), float() and complex() parsers. This also speeds up parsing non-ASCII numbers by around 20%.
* bpo-23699: Use a macro to reduce boilerplate code in rich comparison ↵stratakis2017-11-021-30/+1
| | | | functions (GH-793)
* bpo-31619: Fixed a ValueError when convert a string with large number of ↵Serhiy Storchaka2017-10-031-4/+4
| | | | | underscores (#3827) to integer with binary base.
* bpo-31338 (#3374)Barry Warsaw2017-09-151-4/+3
| | | | | | | * Add Py_UNREACHABLE() as an alias to abort(). * Use Py_UNREACHABLE() instead of assert(0) * Convert more unreachable code to use Py_UNREACHABLE() * Document Py_UNREACHABLE() and a few other macros.
* bpo-29816: Shift operation now has less opportunity to raise OverflowError. ↵Serhiy Storchaka2017-03-301-22/+48
| | | | | | | (#680) ValueError always is raised rather than OverflowError for negative counts. Shifting zero with non-negative count always returns zero.
* bpo-29878: Add global instances of int for 0 and 1. (#852)Serhiy Storchaka2017-03-301-26/+21
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* bpo-29793: Convert some builtin types constructors to Argument Clinic. (#615)Serhiy Storchaka2017-03-191-10/+14
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* bpo-29749: Update int() docstring (GH-565)svelankar2017-03-091-1/+1
| | | The docstring did not properly represent the fact that the argument to int() was positional-only.
* bpo-29695: Remove bad keyword parameters in int(), bool(), float(), list() ↵Serhiy Storchaka2017-03-061-7/+1
| | | | and tuple(). (#518)
* remove 3 redundant casts in Objects/longobject.c (#445)orenmn2017-03-061-3/+3
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* bpo-29695: Deprecated using bad named keyword arguments in builtings: (#486)Serhiy Storchaka2017-03-051-0/+6
| | | | int(), bool(), float(), list() and tuple(). Specify the value as a positional argument instead.
* Issue #29421: Make int.to_bytes() and int.from_bytes() slightly fasterSerhiy Storchaka2017-02-021-4/+7
| | | | (10-20% for small integers).
* Issue #20185: Converted the int class to Argument Clinic.Serhiy Storchaka2017-02-011-135/+111
| | | | Based on patch by Vajrasky Kok.
* Backed out changeset b9c9691c72c5Victor Stinner2016-12-041-1/+2
| | | | | | Issue #28858: The change b9c9691c72c5 introduced a regression. It seems like _PyObject_CallArg1() uses more stack memory than PyObject_CallFunctionObjArgs().
* Replace PyObject_CallFunctionObjArgs() with fastcallVictor Stinner2016-12-011-2/+1
| | | | | | | | | | | | | | * PyObject_CallFunctionObjArgs(func, NULL) => _PyObject_CallNoArg(func) * PyObject_CallFunctionObjArgs(func, arg, NULL) => _PyObject_CallArg1(func, arg) PyObject_CallFunctionObjArgs() allocates 40 bytes on the C stack and requires extra work to "parse" C arguments to build a C array of PyObject*. _PyObject_CallNoArg() and _PyObject_CallArg1() are simpler and don't allocate memory on the C stack. This change is part of the fastcall project. The change on listsort() is related to the issue #23507.
* Issue #19569: Compiler warnings are now emitted if use most of deprecatedSerhiy Storchaka2016-11-201-1/+1
| | | | functions.
* Added the const qualifier to char* variables that refer to readonly internalSerhiy Storchaka2016-11-201-1/+2
| | | | UTF-8 represenatation of Unicode objects.
* Issue #28701: Replace PyUnicode_CompareWithASCIIString with ↵Serhiy Storchaka2016-11-161-4/+4
|\ | | | | | | | | | | _PyUnicode_EqualToASCIIString. The latter function is more readable, faster and doesn't raise exceptions.
| * Issue #28701: Replace PyUnicode_CompareWithASCIIString with ↵Serhiy Storchaka2016-11-161-4/+4
| |\ | | | | | | | | | | | | | | | _PyUnicode_EqualToASCIIString. The latter function is more readable, faster and doesn't raise exceptions.
| | * Issue #28701: Replace PyUnicode_CompareWithASCIIString with ↵Serhiy Storchaka2016-11-161-4/+4
| | | | | | | | | | | | | | | | | | _PyUnicode_EqualToASCIIString. The latter function is more readable, faster and doesn't raise exceptions.
* | | Issue #28621: Sped up converting int to float by reusing faster bits countingSerhiy Storchaka2016-11-081-32/+28
| | | | | | | | | | | | implementation. Patch by Adrian Wielgosik.
* | | Issue #27111: Minor simplication to long_add and long_sub fast path code. ↵Mark Dickinson2016-09-171-6/+2
| | | | | | | | | | | | Thanks Oren Milman.
* | | Issue #27441: Remove some redundant assignments to ob_size in longobject.c. ↵Mark Dickinson2016-09-171-2/+0
| | | | | | | | | | | | Thanks Oren Milman.
* | | Issue #27222: various cleanups in long_rshift. Thanks Oren Milman.Mark Dickinson2016-09-171-11/+7
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* | Issue #25221: merge from 3.5.Mark Dickinson2016-09-101-1/+2
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| * Issue #25221: Fix corrupted result from PyLong_FromLong(0) when Python is ↵Mark Dickinson2016-09-101-1/+2
| | | | | | | | compiled with NSMALLPOSINTS = 0.
| * Issue #27895: Spelling fixes (Contributed by Ville Skyttä).Martin Panter2016-09-071-1/+1
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* | Issue #26331: Implement the parsing part of PEP 515.Brett Cannon2016-09-091-37/+132
| | | | | | | | Thanks to Georg Brandl for the patch.
* | replace PY_SIZE_MAX with SIZE_MAXBenjamin Peterson2016-09-071-1/+1
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* | replace Py_(u)intptr_t with the c99 standard typesBenjamin Peterson2016-09-061-2/+2
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* | remove some silly defined() testsBenjamin Peterson2016-09-061-2/+2
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* | replace PY_LONG_LONG with long longBenjamin Peterson2016-09-061-40/+40
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* | require a long long data type (closes #27961)Benjamin Peterson2016-09-061-20/+0
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* | Issue #27895: Spelling fixes (Contributed by Ville Skyttä).Raymond Hettinger2016-08-301-1/+1
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* | Issue #27870: A left shift of zero by a large integer no longer attempts to ↵Mark Dickinson2016-08-291-0/+5
| | | | | | | | allocate large amounts of memory.
* | Issue #25402: in int-to-decimal-string conversion, reduce intermediate ↵Mark Dickinson2016-08-291-8/+11
| | | | | | | | storage requirements and relax restriction on converting large integers. Patch by Serhiy Storchaka.
* | Issue #27214: Fix potential bug and remove useless optimization in ↵Mark Dickinson2016-08-291-2/+4
| | | | | | | | long_invert. Thanks Oren Milman.
* | Issue #27792: force int return type for modulo operations involving bools.Mark Dickinson2016-08-221-2/+5
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* | Untabify Objects/longobject.c.Mark Dickinson2016-08-211-2/+2
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* | Issue #25604: Fix minor bug in integer true division, which couldMark Dickinson2016-08-211-2/+2
| | | | | | | | have caused off-by-one-ulp results on certain platforms.
* | Issue #27786: Simplify x_sub()Victor Stinner2016-08-171-3/+1
| | | | | | | | | | The z variable is known to be a fresh number which cannot be shared, Py_SIZE() can be used directly to negate the number.
* | Issue #27626: Merge spelling fixes from 3.5Martin Panter2016-07-281-2/+2
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