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author | Berker Peksag <berker.peksag@gmail.com> | 2016-06-02 12:17:51 -0700 |
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committer | Berker Peksag <berker.peksag@gmail.com> | 2016-06-02 12:17:51 -0700 |
commit | 02dac601a8bfe49eb05d910c0e6c971008ca6928 (patch) | |
tree | d206c28029c0cfe9761bd6afc10102b498d58475 /Doc/library | |
parent | fe0df3e16677f13625ed24e383ea7c4258574d2e (diff) | |
download | cpython-02dac601a8bfe49eb05d910c0e6c971008ca6928.tar.gz |
Issue #16192: Clarify when c_int is an alias to c_long in ctypes documentation
Diffstat (limited to 'Doc/library')
-rw-r--r-- | Doc/library/ctypes.rst | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/Doc/library/ctypes.rst b/Doc/library/ctypes.rst index 1d45a37f11..521b8b9b1d 100644 --- a/Doc/library/ctypes.rst +++ b/Doc/library/ctypes.rst @@ -20,11 +20,10 @@ Note: The code samples in this tutorial use :mod:`doctest` to make sure that they actually work. Since some code samples behave differently under Linux, Windows, or Mac OS X, they contain doctest directives in comments. -Note: Some code samples reference the ctypes :class:`c_int` type. This type is -an alias for the :class:`c_long` type on 32-bit systems. So, you should not be -confused if :class:`c_long` is printed if you would expect :class:`c_int` --- -they are actually the same type. - +Note: Some code samples reference the ctypes :class:`c_int` type. On platforms +where ``sizeof(long double) == sizeof(double)`` it is an alias to +:class:`c_double`. So, you should not be confused if :class:`c_long` is +printed if you would expect :class:`c_int` --- they are actually the same type. .. _ctypes-loading-dynamic-link-libraries: |