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Author SHA1 Message Date
Nick Coghlan 573b1fd779 Fix str docstring 2012-08-16 14:13:07 +10:00
Antoine Pitrou b4bbee25b1 Issue #14579: Fix CVE-2012-2135: vulnerability in the utf-16 decoder after error handling. 
Patch by Serhiy Storchaka.
 2012-07-21 00:45:14 +02:00
Mark Dickinson 01ac8b6ab1 Use correct types for ASCII_CHAR_MASK integer constants. 2012-07-07 14:08:48 +02:00
Antoine Pitrou aaefac76dd Issue #14874: Restore charmap decoding speed to pre-PEP 393 levels. 
Patch by Serhiy Storchaka.
 2012-06-16 22:48:21 +02:00
Victor Stinner f185226244 _copy_characters(): move debug code at the top to avoid noisy #ifdef 
And don't use assert() anymore if check_maxchar is set: return -1 on error
instead.
 2012-06-16 16:38:26 +02:00
Victor Stinner 07621338fb Fix PyUnicode_GetSize(): Don't replace _PyUnicode_Ready() exception 2012-06-16 04:53:46 +02:00
Victor Stinner 8a8b3eaabe Fix a compiler warning in _copy_characters() and remove debug code 2012-06-16 04:53:25 +02:00
Victor Stinner 24e403bbee Oops, fix my previous change on _copy_characters() 2012-06-16 04:53:00 +02:00
Victor Stinner ca439eecea Fix unicode_adjust_maxchar(): catch PyUnicode_New() failure 2012-06-16 03:17:34 +02:00
Victor Stinner 184252ad3f Fix "%f" format of str%args if the result is not an ASCII or latin1 string 2012-06-16 02:57:41 +02:00
Victor Stinner 9a77770add Remove debug code 2012-06-16 02:44:43 +02:00
Victor Stinner c9d369f1bf Optimize _PyUnicode_FastCopyCharacters() when maxchar(from) > maxchar(to) 2012-06-16 02:22:37 +02:00
Victor Stinner f05e17ece9 unicodeobject.c: Remove debug code 2012-06-16 01:53:04 +02:00
Antoine Pitrou 27f6a3b0bf Issue #15026: utf-16 encoding is now significantly faster (up to 10x). 
Patch by Serhiy Storchaka.
 2012-06-15 22:15:23 +02:00
Kristján Valur Jónsson 55e5dc8371 Rearrange code to beat an optimizer bug affecting Release x64 on windows 
with VS2010sp1
 2012-06-06 21:58:08 +00:00
Victor Stinner d7b7c7472b Issue #14993: Use standard "unsigned char" instead of a unsigned char bitfield 2012-06-04 22:52:12 +02:00
Kristjan Valur Jonsson 85634d7a2e Issue #14909: A number of places were using PyMem_Realloc() apis and 
PyObject_GC_Resize() with incorrect error handling.  In case of errors,
the original object would be leaked.  This checkin fixes those cases.
 2012-05-31 09:37:31 +00:00
Victor Stinner 3a7d096f2f Issue #14744: Fix compilation on Windows (part 2) 2012-05-29 18:53:56 +02:00
Victor Stinner d3f0882dfb Issue #14744: Use the new _PyUnicodeWriter internal API to speed up str%args and str.format(args) 
* Formatting string, int, float and complex use the _PyUnicodeWriter API. It
   avoids a temporary buffer in most cases.
 * Add _PyUnicodeWriter_WriteStr() to restore the PyAccu optimization: just
   keep a reference to the string if the output is only composed of one string
 * Disable overallocation when formatting the last argument of str%args and
   str.format(args)
 * Overallocation allocates at least 100 characters: add min_length attribute
   to the _PyUnicodeWriter structure
 * Add new private functions: _PyUnicode_FastCopyCharacters(),
   _PyUnicode_FastFill() and _PyUnicode_FromASCII()

The speed up is around 20% in average.
 2012-05-29 12:57:52 +02:00
Antoine Pitrou 63065d761e Issue #14624: UTF-16 decoding is now 3x to 4x faster on various inputs. 
Patch by Serhiy Storchaka.
 2012-05-15 23:48:04 +02:00
Martin v. Löwis b05c0738d8 Silence VS 2010 signed/unsigned warnings. 2012-05-15 13:45:49 +02:00
Antoine Pitrou 758153badb Fix refleaks introduced by 83da67651687. 2012-05-12 15:51:51 +02:00
Antoine Pitrou e45c0c5cef Fix logic error introduced by 83da67651687. 2012-05-12 15:49:07 +02:00
Benjamin Peterson 1ff2e35e84 simplify by shortcutting when the kind of the needle is larger than the haystack 2012-05-11 17:41:20 -05:00
Antoine Pitrou ca5f91b888 Issue #14738: Speed-up UTF-8 decoding on non-ASCII data. Patch by Serhiy Storchaka. 2012-05-10 16:36:02 +02:00
Victor Stinner 3b1a74a9c3 Rename unicode_write_t structure and its methods to "_PyUnicodeWriter" 2012-05-09 22:25:00 +02:00
Victor Stinner ee4544c920 Issue #14744: Inline unicode_writer_write_char() and unicode_write_str() 
Optimize also PyUnicode_Format(): call unicode_writer_prepare() only once
per argument.
 2012-05-09 22:24:08 +02:00
Victor Stinner f59c28c930 unicode_writer_finish() checks string consistency 2012-05-09 03:24:14 +02:00
Victor Stinner 106802547c Backout ab500b297900: the check for integer overflow is wrong 
Issue #14716: Change integer overflow check in unicode_writer_prepare()
to compute the limit at compile time instead of runtime. Patch writen by Serhiy
Storchaka.
 2012-05-07 23:50:05 +02:00
Victor Stinner 0576f9b4cf Issue #14716: Change integer overflow check in unicode_writer_prepare() 
to compute the limit at compile time instead of runtime. Patch writen by Serhiy
Storchaka.
 2012-05-07 13:02:44 +02:00
Victor Stinner 202fdca133 Close #14716: str.format() now uses the new "unicode writer" API instead of the 
PyAccu API. For example, it makes str.format() from 25% to 30% faster on Linux.
 2012-05-07 12:47:02 +02:00
Mark Dickinson 99e2e5552a Issue #14700: Fix two broken and undefined-behaviour-inducing overflow checks in old-style string formatting. Thanks Serhiy Storchaka for report and original patch. 2012-05-07 11:20:50 +01:00
Victor Stinner d0dba6eee8 unicode_writer: don't force inline when it is not necessary 
Keep inline for performance critical functions (functions used in loops)
 2012-05-04 01:19:15 +02:00
Benjamin Peterson b63f49f2b4 if the kind of the string to count is larger than the string to search, shortcut to 0 2012-05-03 18:31:07 -04:00
Victor Stinner a7b654be30 unicode_writer: add finish() method and assertions to write_str() method 
* The write_str() method does nothing if the length is zero.
 * Replace "struct unicode_writer_t" with "unicode_writer_t"
 2012-05-03 23:58:55 +02:00
Victor Stinner bf4e266397 Issue #14687: Remove redundant length attribute of unicode_write_t 
The length can be read directly from the buffer
 2012-05-03 19:27:14 +02:00
Victor Stinner 7989157e49 Issue #14687: Cleanup unicode_writer_prepare() 
"Inline" PyUnicode_Resize(): call directly resize_compact()
 2012-05-03 13:43:07 +02:00
Victor Stinner f2c76aa6cb Issue #14687: str%tuple now uses an optimistic "unicode writer" instead of an 
accumulator. Directly write characters into the output (don't use a temporary
list): resize and widen the string on demand.
 2012-05-03 13:10:40 +02:00
Victor Stinner 1b487b467b Issue #14624, #14687: Optimize unicode_widen() 
Don't convert uninitialized characters. Patch written by Serhiy Storchaka.
 2012-05-03 12:29:04 +02:00
Victor Stinner 3a7f7977f1 Remove buggy assertion in PyUnicode_Substring() 
Use also directly unicode_empty, instead of PyUnicode_New(0,0).
 2012-05-03 03:36:40 +02:00
Victor Stinner 684d5fd420 Fix PyUnicode_Substring() for start >= length and start > end 
Remove the fast-path for 1-character string: unicode_fromascii() and
_PyUnicode_FromUCS*() now have their own fast-path for 1-character strings.
 2012-05-03 02:32:34 +02:00
Victor Stinner b6cd014d75 Unicode: optimize creating of 1-character strings 2012-05-03 02:17:04 +02:00
Victor Stinner bff7c96834 Issue #14687: Optimize str%tuple for the "%(name)s" syntax 
Avoid an useless and expensive call to PyUnicode_READ().
 2012-05-03 01:44:59 +02:00
Victor Stinner e6abb488c9 unicodeobject.c: Add MAX_MAXCHAR() macro to (micro-)optimize the computation 
of the second argument of PyUnicode_New().

 * Create also align_maxchar() function
 * Optimize fix_decimal_and_space_to_ascii(): don't compute the maximum
   character when ch <= 127 (it is ASCII)
 2012-05-02 01:15:40 +02:00
Victor Stinner 438106b66e Issue #14687: Cleanup PyUnicode_Format() 2012-05-02 00:41:57 +02:00
Victor Stinner b5c3ea3af3 Issue #14687: Optimize str%args 
* formatfloat() uses unicode_fromascii() instead of PyUnicode_DecodeASCII()
   to not have to check characters, we know that it is really ASCII
 * Use PyUnicode_FromOrdinal() instead of _PyUnicode_FromUCS4() to format
   a character: if avoids a call to ucs4lib_find_max_char() to compute
   the maximum character (whereas we already know it, it is just the character
   itself)
 2012-05-02 00:29:36 +02:00
Victor Stinner b80e46eca4 Issue #14687: Avoid an useless duplicated string in PyUnicode_Format() 2012-04-30 05:21:52 +02:00
Victor Stinner aff3cc659b Issue #14687: Cleanup PyUnicode_Format() 2012-04-30 05:19:21 +02:00
Victor Stinner b11d91d969 Fix my previous commit: bool is a long, restore the specical case for bool 2012-04-28 00:25:34 +02:00
Victor Stinner d0880d57b0 Simplify and optimize formatlong() 
* Remove _PyBytes_FormatLong(): inline it into formatlong()
 * the input type is always a long, so remove the code for bool
 * don't duplicate the string if the length does not change
 * Use PyUnicode_DATA() instead of _PyUnicode_AsString()
 2012-04-27 23:40:13 +02:00
Victor Stinner 94d558b063 Optimize _PyUnicode_FindMaxChar() find pure ASCII strings 2012-04-27 22:26:58 +02:00
Victor Stinner 8f825060f1 Check newly created consistency using _PyUnicode_CheckConsistency(str, 1) 
* In debug mode, fill the string data with invalid characters
 * Simplify also reference counting in PyCodec_BackslashReplaceErrors()
   and PyCodec_XMLCharRefReplaceError()
 2012-04-27 13:55:39 +02:00
Victor Stinner 718fbf078c _PyUnicode_CheckConsistency() ensures that the unicode string ends with a 
null character
 2012-04-26 00:39:37 +02:00
Benjamin Peterson b9f4c9daad make pointer arith c89 2012-04-23 21:45:40 -04:00
Benjamin Peterson f3b7d86e25 use correct base ptr 2012-04-23 18:07:01 -04:00
Benjamin Peterson 2844a7a6d3 simplify and reformat 2012-04-23 18:00:25 -04:00
Victor Stinner ece58deb9f Close #14648: Compute correctly maxchar in str.format() for substrin 2012-04-23 23:36:38 +02:00
Benjamin Peterson 64ed576de8 merge 3.2 (#14509) 2012-04-09 15:04:39 -04:00
Benjamin Peterson ca819c3c9d merge 3.1 (#14509) 2012-04-09 15:01:02 -04:00
Benjamin Peterson f6622c8a3e fix build without Py_DEBUG and DNDEBUG (closes #14509) 2012-04-09 14:53:07 -04:00
Victor Stinner afb5205c48 Close #14249: Use bit shifts instead of an union, it's more efficient. 
Patch written by Serhiy Storchaka
 2012-04-05 22:54:49 +02:00
Victor Stinner e7eee01f36 Close #14249: Use an union instead of a long to short pointer to avoid aliasing 
issue. Speed up UTF-16 by 20%.
 2012-04-05 13:44:34 +02:00
Antoine Pitrou a701388de1 Rename _PyIter_GetBuiltin to _PyObject_GetBuiltin, and do not include it in the stable ABI. 2012-04-05 00:04:20 +02:00
Kristján Valur Jónsson 31668b8f7a Issue #14288: Serialization support for builtin iterators. 2012-04-03 10:49:41 +00:00
Benjamin Peterson 0df542985a grammar 2012-03-26 14:50:32 -04:00
Benjamin Peterson c067d6661f merge 3.2 2012-03-25 22:41:16 -04:00
Benjamin Peterson a8755c586e kill this terribly outdated comment 2012-03-25 22:40:54 -04:00
Victor Stinner 0d03478b88 Remove an unused variable 2012-03-06 02:06:01 +01:00
Victor Stinner c9590ad745 Close #14085: remove assertions from PyUnicode_WRITE macro 
Add checks in PyUnicode_WriteChar() and convert PyUnicode_New() assertion to a
test raising a Python exception.
 2012-03-04 01:34:37 +01:00
Ezio Melotti cda6b6d60d #14081: The sep and maxsplit parameter to str.split, bytes.split, and bytearray.split may now be passed as keyword arguments. 2012-02-26 09:39:55 +02:00
Victor Stinner b0800dc53b Oops, revert unwanted changes 2012-02-25 00:47:08 +01:00
Victor Stinner abc649ddbe Issue #14107: fix bigmem tests on str.capitalize(), str.swapcase() and 
str.title(). Compute correctly how much memory is required for the test
(memuse).
 2012-02-25 00:43:27 +01:00
Antoine Pitrou 842c0f17eb Fix compilation error under Windows (and warnings too). 2012-02-24 13:30:46 +01:00
Victor Stinner 90f50d4df9 Issue #13706: Fix format(float, "n") for locale with non-ASCII decimal point (e.g. ps_aF) 2012-02-24 01:44:47 +01:00
Victor Stinner 41a863cb81 Issue #13706: Fix format(int, "n") for locale with non-ASCII thousands separator 
* Decode thousands separator and decimal point using PyUnicode_DecodeLocale()
   (from the locale encoding), instead of decoding them implicitly from latin1
 * Remove _PyUnicode_InsertThousandsGroupingLocale(), it was not used
 * Change _PyUnicode_InsertThousandsGrouping() API to return the maximum
   character if unicode is NULL
 * Replace MIN/MAX macros by Py_MIN/Py_MAX
 * stringlib/undef.h undefines STRINGLIB_IS_UNICODE
 * stringlib/localeutil.h only supports Unicode
 2012-02-24 00:37:51 +01:00
Victor Stinner b429d3b09c Fix doc of an internal function: unicode_write_cstr() 2012-02-22 21:22:20 +01:00
Antoine Pitrou ba6bafcfbe Fix compile failure under Windows 2012-02-22 16:41:50 +01:00
Victor Stinner c516610f0b Optimize str%arg for number formats: %i, %d, %u, %x, %p 
Write a specialized function to write an ASCII/latin1 C char* string into a
Python Unicode string.
 2012-02-22 13:55:02 +01:00
Victor Stinner 99d7ad0bb0 Micro-optimize computation of maxchar in PyUnicode_TransformDecimalToASCII() 2012-02-22 13:37:39 +01:00
Victor Stinner da79e632c4 Micro-optimize unicode_expandtabs(): use FILL() macro to write N spaces 2012-02-22 13:37:04 +01:00
Victor Stinner 15e9ed299c PyUnicode_New() and unicode_putchar() check for MAX_UNICODE maximum (U+10FFFF) 2012-02-22 13:36:20 +01:00
Benjamin Peterson d9a3591ed1 merge 3.2 2012-02-21 11:12:14 -05:00
Benjamin Peterson e249dcab7a merge 3.2 2012-02-21 11:09:13 -05:00
Benjamin Peterson 69e9727657 ensure no one tries to hash things before the random seed is found 2012-02-21 11:08:50 -05:00
Georg Brandl 16fa2a1097 Forgot the "empty string -> hash == 0" special case for strings. 2012-02-21 00:50:13 +01:00
Georg Brandl 2fb477c0f0 Merge 3.2: Issue #13703 plus some related test suite fixes. 2012-02-21 00:33:36 +01:00
Georg Brandl 09a7c72cad Merge from 3.1: Issue #13703: add a way to randomize the hash values of basic types (str, bytes, datetime) 
in order to make algorithmic complexity attacks on (e.g.) web apps much more complicated.

The environment variable PYTHONHASHSEED and the new command line flag -R control this
behavior.
 2012-02-20 21:31:46 +01:00
Georg Brandl 2daf6ae249 Issue #13703: add a way to randomize the hash values of basic types (str, bytes, datetime) 
in order to make algorithmic complexity attacks on (e.g.) web apps much more complicated.

The environment variable PYTHONHASHSEED and the new command line flag -R control this
behavior.
 2012-02-20 19:54:16 +01:00
Victor Stinner c3a6b02d70 (Merge 3.2) Issue #13913: normalize utf-8 codec name in UTF-8 decoder 2012-02-14 01:18:10 +01:00
Victor Stinner cbe01342bc Issue #13913: normalize utf-8 codec name in UTF-8 decoder 2012-02-14 01:17:45 +01:00
Victor Stinner d1cd99b533 Backout d2c1521ad0a1: _Py_IDENTIFIER() uses UTF-8 again 2012-02-07 23:05:55 +01:00
Victor Stinner d446d8e09a _Py_Identifier are always ASCII strings 2012-02-05 01:45:45 +01:00
Antoine Pitrou 7ab4af0427 Issue #13848: open() and the FileIO constructor now check for NUL characters in the file name. 
Patch by Hynek Schlawack.
 2012-01-29 18:43:36 +01:00
Antoine Pitrou 1334884ff2 Issue #13848: open() and the FileIO constructor now check for NUL characters in the file name. 
Patch by Hynek Schlawack.
 2012-01-29 18:36:34 +01:00
Benjamin Peterson eea4846d23 don't ready in case_operation, since most callers do it themselves 2012-01-16 14:28:50 -05:00
Gregory P. Smith f5b62a9b31 Consolidate the occurrances of the prime used as the multiplier when hashing. 2012-01-14 15:45:13 -08:00
Gregory P. Smith 63e6c3222f Consolidate the occurrances of the prime used as the multiplier when hashing 
to a single #define instead of having several copies in several files.

This excludes the Modules/ tree (datetime and expat both have a copy
for their own purposes with no need for it to be the same).
 2012-01-14 15:31:34 -08:00
Benjamin Peterson c8d8b8861e fix possible refleaks if PyUnicode_READY fails 2012-01-14 13:37:31 -05:00
Benjamin Peterson bac79498c8 always explicitly check for -1 from PyUnicode_READY 2012-01-14 13:34:47 -05:00
Benjamin Peterson d5890c8db5 add str.casefold() (closes #13752) 2012-01-14 13:23:30 -05:00