[Python-checkins] r78544 - in python/trunk: Doc/library/ctypes.rst Lib/ctypes/__init__.py Lib/ctypes/test/test_sizes.py Misc/NEWS
gregory.p.smith
python-checkins at python.org
Mon Mar 1 05:56:13 CET 2010
Author: gregory.p.smith
Date: Mon Mar 1 05:56:12 2010
New Revision: 78544
Log:
Adds c_ssize_t to ctypes. issue 6729.
Modified:
python/trunk/Doc/library/ctypes.rst
python/trunk/Lib/ctypes/__init__.py
python/trunk/Lib/ctypes/test/test_sizes.py
python/trunk/Misc/NEWS
Modified: python/trunk/Doc/library/ctypes.rst
==============================================================================
--- python/trunk/Doc/library/ctypes.rst (original)
+++ python/trunk/Doc/library/ctypes.rst Mon Mar 1 05:56:12 2010
@@ -2248,6 +2248,13 @@
Represents the C :ctype:`size_t` datatype.
+.. class:: c_ssize_t
+
+ Represents the C :ctype:`ssize_t` datatype.
+
+ .. versionadded:: 2.7
+
+
.. class:: c_ubyte
Represents the C :ctype:`unsigned char` datatype, it interprets the value as
Modified: python/trunk/Lib/ctypes/__init__.py
==============================================================================
--- python/trunk/Lib/ctypes/__init__.py (original)
+++ python/trunk/Lib/ctypes/__init__.py Mon Mar 1 05:56:12 2010
@@ -462,10 +462,13 @@
if sizeof(c_uint) == sizeof(c_void_p):
c_size_t = c_uint
+ c_ssize_t = c_int
elif sizeof(c_ulong) == sizeof(c_void_p):
c_size_t = c_ulong
+ c_ssize_t = c_long
elif sizeof(c_ulonglong) == sizeof(c_void_p):
c_size_t = c_ulonglong
+ c_ssize_t = c_longlong
# functions
Modified: python/trunk/Lib/ctypes/test/test_sizes.py
==============================================================================
--- python/trunk/Lib/ctypes/test/test_sizes.py (original)
+++ python/trunk/Lib/ctypes/test/test_sizes.py Mon Mar 1 05:56:12 2010
@@ -1,8 +1,11 @@
# Test specifically-sized containers.
-import unittest
from ctypes import *
+import sys
+import unittest
+
+
class SizesTestCase(unittest.TestCase):
def test_8(self):
self.assertEqual(1, sizeof(c_int8))
@@ -23,5 +26,9 @@
def test_size_t(self):
self.assertEqual(sizeof(c_void_p), sizeof(c_size_t))
+ def test_ssize_t(self):
+ self.assertEqual(sizeof(c_void_p), sizeof(c_ssize_t))
+
+
if __name__ == "__main__":
unittest.main()
Modified: python/trunk/Misc/NEWS
==============================================================================
--- python/trunk/Misc/NEWS (original)
+++ python/trunk/Misc/NEWS Mon Mar 1 05:56:12 2010
@@ -78,6 +78,8 @@
- Issue #1068268: The subprocess module now handles EINTR in internal
os.waitpid and os.read system calls where appropriate.
+- Issue #6729: Added ctypes.c_ssize_t to represent ssize_t.
+
Extension Modules
-----------------
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