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xalloc-oversized PTRDIFF_MAX fix (was: checked integer arithmetic)
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From: |
Paul Eggert |
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Subject: |
xalloc-oversized PTRDIFF_MAX fix (was: checked integer arithmetic) |
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Date: |
Wed, 14 Dec 2016 17:11:53 -0800 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 |
On 12/14/2016 04:26 PM, Paul Eggert wrote:
I suppose we should change xalloc_oversized to report an overflow if
the resulting size would be greater than PTRDIFF_MAX. That should
catch more potential problems in Gnulib and in Gnulib-using code.
Attached is a proposed patch to do that.
0001-xalloc-oversized-check-for-PTRDIFF_MAX-too.patch
Description: Source code patch
- FYI: dfa: add an assertion to avoid coverity false positive, Jim Meyering, 2016/12/14
- Re: FYI: dfa: add an assertion to avoid coverity false positive, Paul Eggert, 2016/12/14
- Re: checked integer arithmetic, Bruno Haible, 2016/12/14
- Re: checked integer arithmetic, Eric Blake, 2016/12/14
- Re: checked integer arithmetic, Paul Eggert, 2016/12/14
- xalloc-oversized PTRDIFF_MAX fix (was: checked integer arithmetic),
Paul Eggert <=
- Re: checked integer arithmetic, Bruno Haible, 2016/12/14
- Re: checked integer arithmetic, Bruno Haible, 2016/12/15
- Re: checked integer arithmetic, Paul Eggert, 2016/12/15
- Re: checked integer arithmetic, Bruno Haible, 2016/12/15
- Re: checked integer arithmetic, Bruno Haible, 2016/12/15
- Re: checked integer arithmetic, Paul Eggert, 2016/12/16
Re: FYI: dfa: add an assertion to avoid coverity false positive, Paul Eggert, 2016/12/14