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Consider option that malloc(0) may return NULL #1777

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Merged
merged 10 commits into from
Jul 9, 2025
Merged

Consider option that malloc(0) may return NULL #1777

merged 10 commits into from
Jul 9, 2025

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michael-schwarz
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@michael-schwarz michael-schwarz commented Jul 3, 2025 •
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  • Adds an option to configure behavior when allocating 0 bytes in line with C99 draft, 7.20.3 (1)
  • Replace bool to indicate whether allocation is on heap or stack with variant type
  • Introduce more sharing in base analysis between allocating functions in special.

Closes #1418

@michael-schwarz michael-schwarz added this to the v2.6.0 milestone Jul 3, 2025
sim642
sim642 reviewed Jul 3, 2025
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sim642
sim642 reviewed Jul 7, 2025
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@sim642 sim642 mentioned this pull request Jul 7, 2025
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@michael-schwarz michael-schwarz requested a review from sim642 July 8, 2025 10:58
@michael-schwarz michael-schwarz merged commit f2c4520 into master Jul 9, 2025
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@michael-schwarz michael-schwarz deleted the issue_1418 branch July 9, 2025 07:17
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@sim642 sim642 sim642 approved these changes

@karoliineh karoliineh Awaiting requested review from karoliineh

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cleanup Refactoring, clean-up feature unsound
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Unsoundness for malloc(0)
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@michael-schwarz @sim642