[issue6259] ctypes pointer arithmetic

[Chris Angelico]

Chris Angelico added the comment:

Fair enough. Still needs someone to update the patch though.

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[issue6259] ctypes pointer arithmetic

[Berker Peksag]

Berker Peksag added the comment:

Thanks for triaging work, but an outdated patch is not an enough reason to 
close an issue. Also, the default value of "status" field is "open" at 
http://bugs.python.org/issue?@template=search=1 so closing an unresolved 
issue will make it harder to find for potential interested contributors. See 
https://docs.python.org/devguide/triaging.html for more information.

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nosy: +berker.peksag
stage:  -> needs patch
versions: +Python 3.6 -Python 2.7, Python 3.2

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[issue6259] ctypes pointer arithmetic

[Chris Angelico]

Chris Angelico added the comment:

Nudging this as a forgotten patch. Is anyone at all interested in this, or 
should it be closed as not worth the hassle? The patch is ancient and doesn't 
apply to 3.6.

Propose closing, to clean up the tracker. It can always be reopened if the 
patch is updated to current.

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[issue6259] ctypes pointer arithmetic

[Martin Panter]

Changes by Martin Panter vadmium...@gmail.com:


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[issue6259] ctypes pointer arithmetic

[Meador Inge]

Changes by Meador Inge mead...@gmail.com:


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type: behavior - enhancement

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[issue6259] ctypes pointer arithmetic

[Amaury Forgeot d'Arc]

Amaury Forgeot d'Arc amaur...@gmail.com added the comment:

I like this feature. Some comments:

- tests...

- unsupported operand types should return Py_NotImplemented.

- gcc supports pointer arithmetic with void*:
  http://gcc.gnu.org/onlinedocs/gcc/Pointer-Arith.html
  Could ctypes do the same?

- Some operations are not allowed. If p1 and p2 are ctypes pointers,
  p1 -= p2 will not work - but it's not a common usage.
  However, p1 + 1 and p1 - 1 seem very useful, and should be supported.

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[issue6259] ctypes pointer arithmetic

[Thomas Heller]

New submission from Thomas Heller thel...@ctypes.org:

This patch implements some pointer arithmetic operations for ctypes.

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files: ctypes-pointerarith.patch
keywords: patch
messages: 89225
nosy: theller
severity: normal
status: open
title: ctypes pointer arithmetic
type: behavior
versions: Python 2.7
Added file: http://bugs.python.org/file14262/ctypes-pointerarith.patch

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[issue6259] ctypes pointer arithmetic

[Thomas Heller]

Changes by Thomas Heller thel...@ctypes.org:


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assignee:  - theller
components: +ctypes
versions: +Python 3.2

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[issue6259] ctypes pointer arithmetic

[Mark Dickinson]

Changes by Mark Dickinson dicki...@gmail.com:


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