diff options
| -rw-r--r-- | Doc/library/ctypes.rst | 7 | ||||
| -rw-r--r-- | Lib/ctypes/__init__.py | 3 | ||||
| -rw-r--r-- | Lib/ctypes/test/test_sizes.py | 9 | ||||
| -rw-r--r-- | Misc/NEWS | 2 |
4 files changed, 20 insertions, 1 deletions
diff --git a/Doc/library/ctypes.rst b/Doc/library/ctypes.rst index 652a2f4..32499d5 100644 --- a/Doc/library/ctypes.rst +++ b/Doc/library/ctypes.rst @@ -2207,6 +2207,13 @@ These are the fundamental ctypes data types: Represents the C :ctype:`size_t` datatype. +.. class:: c_ssize_t + + Represents the C :ctype:`ssize_t` datatype. + + .. versionadded:: 3.2 + + .. class:: c_ubyte Represents the C :ctype:`unsigned char` datatype, it interprets the value as diff --git a/Lib/ctypes/__init__.py b/Lib/ctypes/__init__.py index 1283f28..8782db9 100644 --- a/Lib/ctypes/__init__.py +++ b/Lib/ctypes/__init__.py @@ -459,10 +459,13 @@ _pointer_type_cache[None] = c_void_p 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 diff --git a/Lib/ctypes/test/test_sizes.py b/Lib/ctypes/test/test_sizes.py index 0509cbb..f9b5e97 100644 --- a/Lib/ctypes/test/test_sizes.py +++ b/Lib/ctypes/test/test_sizes.py @@ -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 @@ class SizesTestCase(unittest.TestCase): 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() @@ -717,6 +717,8 @@ Library - 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 ----------------- |