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7434 commits

Author SHA1 Message Date
R David Murray
609142ef05 Merge: #18399: fix comment typo. 2013-07-10 11:57:39 -04:00
R David Murray
296b73c83d #18399: fix comment typo. 
Patch by Andrew Rowe.
 2013-07-10 10:57:39 -04:00
Raymond Hettinger
d9c116ca40 Add a spacing saving heuristic to deque's extend methods 2013-07-09 00:13:21 -07:00
Victor Stinner
bbf8ce5b87 Issue #18408: Fix select.select() to handle PyList_New() failure (MemoryError) 
in set2list()
 2013-07-09 00:49:03 +02:00
Victor Stinner
7979926616 Issue #18408: Fix usage of _PyBytes_Resize() 
_PyBytes_Resize(&v, new_size) sets v to NULL on error, so v cannot be used
anymore. Replace "Py_DECREF(v); v = NULL;" with "Py_CLEAR(v);".
 2013-07-09 00:35:22 +02:00
Victor Stinner
bf2e2f9bdf Issue #18408: Fix zlib.compressobj() to handle PyThread_allocate_lock() failure 
(MemoryError).
 2013-07-09 00:29:03 +02:00
Victor Stinner
3f15cf0961 Issue #18408: Fix ConvParam() of the ctypes module to handle paramfunc failure 
(MemoryError).
 2013-07-09 00:27:12 +02:00
Victor Stinner
064bbdc79b fix indentation 2013-07-08 22:28:27 +02:00
Victor Stinner
5d1866c78a Issue #18408: PyObject_GC_NewVar() now raises SystemError exception if nitems 
is negative
 2013-07-08 22:17:52 +02:00
Victor Stinner
c1eb26cd2f gcmodule.c: strip trailing spaces 2013-07-08 22:15:05 +02:00
Victor Stinner
49fc8ece81 Issue #18203: Add _PyMem_RawStrdup() and _PyMem_Strdup() 
Replace strdup() with _PyMem_RawStrdup() or _PyMem_Strdup(), depending if the
GIL is held or not.
 2013-07-07 23:30:24 +02:00
Christian Heimes
fa535f5220 Issue #18227: pyexpat now uses a static XML_Memory_Handling_Suite. cElementTree uses the same approach since at least Python 2.6 2013-07-07 17:35:11 +02:00
Victor Stinner
b7f1f65f1c Issue #18227: "Free" function of bz2, lzma and zlib modules has no return value (void) 2013-07-07 17:10:34 +02:00
Victor Stinner
11ebff2757 Issue #18203: Replace malloc() with PyMem_Malloc() in _ssl for the password 2013-07-07 17:07:52 +02:00
Victor Stinner
5064a52bcb Issue #18227: Use PyMem_RawAlloc() in bz2, lzma and zlib modules 2013-07-07 16:50:27 +02:00
Victor Stinner
6ce0dbf460 Fix a compiler warning in posix_sendfile() on FreeBSD: 
Modules/posixmodule.c: In function 'posix_sendfile':
Modules/posixmodule.c:7700: warning: ISO C90 forbids mixed declarations and code
 2013-07-07 16:32:36 +02:00
Victor Stinner
b64049183c Issue #18203: Replace malloc() with PyMem_Malloc() in Python modules 
Replace malloc() with PyMem_Malloc() when the GIL is held, or with
PyMem_RawMalloc() otherwise.
 2013-07-07 16:21:41 +02:00
Victor Stinner
1a7425f67a Issue #18203: Replace malloc() with PyMem_RawMalloc() at Python initialization 
* Replace malloc() with PyMem_RawMalloc()
* Replace PyMem_Malloc() with PyMem_RawMalloc() where the GIL is not held.
* _Py_char2wchar() now returns a buffer allocated by PyMem_RawMalloc(), instead
  of PyMem_Malloc()
 2013-07-07 16:25:15 +02:00
Raymond Hettinger
b385529ddf Fix #ifdef 2013-07-07 02:07:23 -10:00
Raymond Hettinger
82df925451 Use macros for marking and checking endpoints in the doubly-linked list of blocks. 
* Add comment explaining the endpoint checks
* Only do the checks in a debug build
* Simplify newblock() to only require a length argument
  and leave the link updates to the calling code.
* Also add comment for the freelisting logic.
 2013-07-07 01:43:42 -10:00
Raymond Hettinger
ef9b47f0b8 merge 2013-07-06 17:50:01 -10:00
Raymond Hettinger
f3a67b7e57 Improve variable names in deque_count() 2013-07-06 17:49:06 -10:00
Victor Stinner
0507bf56f0 Issue #3329: Implement the PEP 445 
Add new enum:

* PyMemAllocatorDomain

Add new structures:

* PyMemAllocator
* PyObjectArenaAllocator

Add new functions:

* PyMem_RawMalloc(), PyMem_RawRealloc(), PyMem_RawFree()
* PyMem_GetAllocator(), PyMem_SetAllocator()
* PyObject_GetArenaAllocator(), PyObject_SetArenaAllocator()
* PyMem_SetupDebugHooks()

Changes:

* PyMem_Malloc()/PyObject_Realloc() now always call malloc()/realloc(), instead
  of calling PyObject_Malloc()/PyObject_Realloc() in debug mode.
* PyObject_Malloc()/PyObject_Realloc() now falls back to
  PyMem_Malloc()/PyMem_Realloc() for allocations larger than 512 bytes.
* Redesign debug checks on memory block allocators as hooks, instead of using C
  macros
 2013-07-07 02:05:46 +02:00
Raymond Hettinger
df715ba54d Apply the PyObject_VAR_HEAD and Py_SIZE macros 
to be consistent with practices in other modules.
 2013-07-06 13:01:13 -10:00
Raymond Hettinger
5bfa8671bc Refactor deque_traverse(). 
Hoist conditional expression out of the loop.
Use rightblock as the guard instead of checking for NULL.
 2013-07-06 11:58:09 -10:00
Raymond Hettinger
98054b4c1b Remove unnecessary branches from count() and reverse(). 2013-07-06 09:07:06 -10:00
Raymond Hettinger
de68e0cf0e Speed-up deque indexing by changing the deque block length to a power of two. 
The division and modulo calculation in deque_item() can be compiled
to fast bitwise operations when the BLOCKLEN is a power of two.

Timing before:

 ~/cpython $ py -m timeit -r7 -s 'from collections import deque' -s 'd=deque(range(10))' 'd[5]'
10000000 loops, best of 7: 0.0627 usec per loop

Timing after:

~/cpython $ py -m timeit -r7 -s 'from collections import deque' -s 'd=deque(range(10))' 'd[5]'
10000000 loops, best of 7: 0.0581 usec per loop
 2013-07-05 18:05:29 -10:00
Victor Stinner
0857ab4c77 (Merge 3.3) Issue #18343: faulthandler.register() now keeps the previous signal 
handler when the function is called twice, so faulthandler.unregister()
restores correctly the original signal handler.
 2013-07-02 00:17:14 +02:00
Victor Stinner
8d3795474e Issue #18343: faulthandler.register() now keeps the previous signal handler 
when the function is called twice, so faulthandler.unregister() restores
correctly the original signal handler.
 2013-07-02 00:14:56 +02:00
Christian Heimes
54882bfc18 Singular form just like the other error message. 2013-07-01 15:23:48 +02:00
Christian Heimes
8087879349 Singular form just like the other error message. 2013-07-01 15:23:39 +02:00
Christian Heimes
bfafab1849 Issue #18339: Negative ints keys in unpickler.memo dict no longer cause a 
segfault inside the _pickle C extension.
 2013-07-01 15:18:49 +02:00
Christian Heimes
a24b4d260b Issue #18339: Negative ints keys in unpickler.memo dict no longer cause a 
segfault inside the _pickle C extension.
 2013-07-01 15:17:45 +02:00
Christian Heimes
721724270d Fix segfault in pyexpat.c caused by 84375 
u can be NULL, use XDECREF
 2013-06-29 21:49:27 +02:00
Christian Heimes
82e6b94b95 Fix resource leak in pickle module 
CID 983309 (#1 of 1): Resource leak (RESOURCE_LEAK)
leaked_storage: Variable unicode_str going out of scope leaks the storage it points to.
 2013-06-29 21:37:34 +02:00
Christian Heimes
b91ffaa1d8 Fix NULL ptr dereferencing in local_timezone(). nameo can be NULL 
CID 1040362 (#1 of 1): Explicit null dereferenced (FORWARD_NULL)
var_deref_op: Dereferencing null pointer _py_decref_tmp.
 2013-06-29 20:52:33 +02:00
Christian Heimes
b582155789 Fix memory leak in pyexpat PyUnknownEncodingHandler 
CID 1040367 (#1 of 1): Resource leak (RESOURCE_LEAK)
leaked_storage: Variable u going out of scope leaks the storage it points to.
 2013-06-29 20:43:13 +02:00
Victor Stinner
dd3a6a5533 Fix os.confstr(): the result type of the C function is size_t, not int 2013-06-25 23:13:47 +02:00
Victor Stinner
93037498d1 Fix time.mktime() and datetime.datetime.timestamp() on AIX 
On AIX, the C function mktime() alwaysd sets tm_wday, even on error. So tm_wday
cannot be used as a sentinel to detect an error, we can only check if the
result is (time_t)-1.
 2013-06-25 22:54:35 +02:00
Victor Stinner
d7a034bd75 (Merge 3.3) Fix time.strftime("%Y") on AIX: raise a ValueError for year > 9999 
time.strtime("%Y") returned "2345" when formatting year 12345.
 2013-06-25 02:34:13 +02:00
Victor Stinner
36b82d85a3 Fix time.strftime("%Y") on AIX: raise a ValueError for year > 9999 
time.strtime("%Y") returned "2345" when formatting year 12345.
 2013-06-25 02:33:53 +02:00
Victor Stinner
7e00151e1f _ssl.c: strip trailing spaces 2013-06-25 00:44:31 +02:00
Victor Stinner
86073dc3c2 (Merge 3.3) Issue #18135: ssl.SSLSocket.write() now raises an OverflowError if 
the input string in longer than 2 gigabytes, and
ssl.SSLContext.load_cert_chain() raises a ValueError if the password is longer
than 2 gigabytes. The ssl module does not support partial write.
 2013-06-25 00:43:47 +02:00
Victor Stinner
6efa965a27 Issue #18135: ssl.SSLSocket.write() now raises an OverflowError if the input 
string in longer than 2 gigabytes, and ssl.SSLContext.load_cert_chain() raises
a ValueError if the password is longer than 2 gigabytes. The ssl module does
not support partial write.
 2013-06-25 00:42:31 +02:00
Victor Stinner
14b9b11098 If MS_WIN64 is defined, MS_WINDOWS is also defined: #ifdef can be simplified. 2013-06-25 00:37:25 +02:00
Victor Stinner
9a644b23cc Issue #9566: recv(), recvfrom(), send(), sendall() and sendto() methods 
of socket.socket objects now truncate the input buffer to INT_MAX bytes on
Windows to avoid an integer overflow.

(sendall() still send the whole buffer.)
 2013-06-24 23:47:41 +02:00
Victor Stinner
71765770a4 Issue #9566: _winapi.WriteFile() now truncates length to DWORD_MAX (4294967295) 2013-06-24 23:13:24 +02:00
Victor Stinner
bc8ccce729 Issue #9566: zlib: Explicit cast to unsigned int to fix a compiler warning on Windows x64 2013-06-24 23:02:51 +02:00
Victor Stinner
9a282975ef Issue #9566: _io: Use Py_SAFE_DOWNCAST for fix a compiler warning on Windows x64 2013-06-24 23:01:33 +02:00
Raymond Hettinger
b4f39eea49 merge 2013-06-23 15:47:03 -07:00