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120 Commits

Author SHA1 Message Date
Thomas Heller
e6a7039451 Prevent creation (followed by a segfault) of array types when the size 
overflows the valid Py_ssize_t range.  Check return values of
PyMem_Malloc.

Will backport to release25-maint.
 2007-03-23 19:55:27 +00:00
Thomas Heller
82730f8d11 Explain the purpose of the b_needsfree flag (forward ported from release25-maint). 2007-03-22 20:34:37 +00:00
Thomas Heller
f493cbd824 Back out "Patch #1643874: memory leak in ctypes fixed." 
The code in this patch leaves no way to give up the ownership of a
BSTR instance.
 2007-03-22 19:44:31 +00:00
Thomas Heller
5dc4fe09b7 Patch #1649190: Adding support for _Bool to ctypes as c_bool, by David Remahl. 2007-03-13 20:42:52 +00:00
Thomas Heller
2456a3c02a Bug #1651235: When a tuple was passed to a ctypes function call, 
Python would crash instead of raising an error.

The crash was caused by a section of code that should have been
removed long ago, at that time ctypes had other ways to pass
parameters to function calls.
 2007-03-09 20:39:22 +00:00
Thomas Heller
c2f7725c86 Fix bug #1646630: ctypes.string_at(buf, 0) and ctypes.wstring_at(buf, 0) 
returned string up to the first NUL character.
 2007-03-09 19:21:28 +00:00
Thomas Heller
4378215474 Fix for #1643874: When calling SysAllocString, create a PyCObject 
which will eventually call SysFreeString to free the BSTR resource.
 2007-01-25 18:34:14 +00:00
Thomas Heller
2e07810ef0 Replace C++ comments with C comments. 2007-01-17 09:40:34 +00:00
Thomas Heller
8138c26a83 Fixes for 64-bit Windows: In ctypes.wintypes, correct the definitions 
of HANDLE, WPARAM, LPARAM data types.  Make parameterless foreign
function calls work.
 2007-01-11 21:18:56 +00:00
Thomas Heller
9ae562efb1 Must change the version number in the _ctypes extension as well. 2007-01-10 20:51:19 +00:00
Thomas Heller
ef583a4992 Fix #1563807: _ctypes built on AIX fails with ld ffi error. 
The contents of ffi_darwin.c must be compiled unless __APPLE__ is
defined and __ppc__ is not.

Will backport.
 2006-11-28 20:21:54 +00:00
Thomas Heller
25d208bd46 Fix bug #1598620: A ctypes structure cannot contain itself. 2006-11-24 18:45:39 +00:00
Martin v. Löwis
1b2f627f96 - Patch #1560695: Add .note.GNU-stack to ctypes' sysv.S so that 
ctypes isn't considered as requiring executable stacks.
Will backport to 2.5.
 2006-10-22 10:55:15 +00:00
Martin v. Löwis
a811c38d8e Fix various minor errors in passing arguments to 
PyArg_ParseTuple.
 2006-10-19 11:00:37 +00:00
Thomas Heller
d2ea4a2584 ctypes callback functions only support 'fundamental' result types. 
Check this and raise an error when something else is used - before
this change ctypes would hang or crash when such a callback was
called.  This is a partial fix for #1574584.

Will backport to release25-maint.
 2006-10-17 19:30:48 +00:00
Thomas Heller
2244af596a The cast function did not accept c_char_p or c_wchar_p instances 
as first argument, and failed with a 'bad argument to internal function'
error message.
 2006-09-07 19:09:54 +00:00
Thomas Heller
fdb62f0e5f Anonymous structure fields that have a bit-width specified did not work, 
and they gave a strange error message from PyArg_ParseTuple:
    function takes exactly 2 arguments (3 given).

With tests.
 2006-09-07 18:56:28 +00:00
Thomas Heller
b1a7d758e2 Add missing file for _ctypes.pyd port to win64 on AMD64. 2006-08-25 07:34:51 +00:00
Thomas Heller
98619f267c Port _ctypes.pyd to win64 on AMD64. 2006-08-25 07:27:33 +00:00
Neal Norwitz
9b17eba8be Move assert to after NULL check, otherwise we deref NULL in the assert. 
Klocwork #307
 2006-08-19 04:23:04 +00:00
Thomas Heller
0b21b43d49 Add asserts to check for 'impossible' NULL values, with comments. 
In one place where I'n not 1000% sure about the non-NULL, raise
a RuntimeError for safety.

This should fix the klocwork issues that Neal sent me.  If so,
it should be applied to the release25-maint branch also.
 2006-08-18 14:38:46 +00:00
Thomas Heller
b4a0cf17c4 Remove the special casing of Py_None when converting the return value 
of the Python part of a callback function to C.  If it cannot be
converted, call PyErr_WriteUnraisable with the exception we got.
Before, arbitrary data has been passed to the calling C code in this
case.

(I'm not really sure the NEWS entry is understandable, but I cannot
find better words)
 2006-08-16 15:10:12 +00:00
Thomas Heller
b0aa98fd4f The __repr__ method of a NULL py_object does no longer raise an 
exception.  Remove a stray '?' character from the exception text
when the value is retrieved of such an object.

Includes tests.
 2006-08-16 14:07:44 +00:00
Thomas Heller
d32e616722 Add commented assert statements to check that the result of 
PyObject_stgdict() and PyType_stgdict() calls are non-NULL before
dereferencing the result.  Hopefully this fixes what klocwork is
complaining about.

Fix a few other nits as well.
 2006-08-16 13:03:11 +00:00
Thomas Heller
4dc5dd1f3b Check for NULL return value from new_CArgObject calls. 2006-08-15 13:07:21 +00:00