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GeezerVison is showing github.com — [3.14] gh-156939: Document that PyUnicodeObject ends with null character (GH-157708) by miss-islington · Pull Request #159530 · python/cpython

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@miss-islington

@miss-islington miss-islington commented Oct 16, 2026 •
edited by bedevere-app Bot
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Document also that PyUnicode_READ() and PyUnicode_READ_CHAR()
accept reading the trailing null character, and that PyUnicode_GetLength()
doesn't count the trailing null character.
(cherry picked from commit 4d3b405)

Co-authored-by: Victor Stinner [email protected]

  • Issue: C API: Detect buffer overflow in PyBytesWriter #156939

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@vstinner @miss-islington
pythongh-156939: Document that PyUnicodeObject ends with null charact…
34ac4bf 
…er (pythonGH-157708)

Document also that PyUnicode_READ() and PyUnicode_READ_CHAR()
accept reading the trailing null character, and that PyUnicode_GetLength()
doesn't count the trailing null character.
(cherry picked from commit 4d3b405)

Co-authored-by: Victor Stinner <[email protected]>
@bedevere-app bedevere-app Bot added the type-feature A feature request or enhancement label Oct 16, 2026
@bedevere-app bedevere-app Bot mentioned this pull request Oct 16, 2026
C API: Detect buffer overflow in PyBytesWriter #156939
Closed
@bedevere-app bedevere-app Bot added awaiting review docs Documentation in the Doc dir skip news labels Oct 16, 2026
@github-project-automation github-project-automation Bot added this to Docs PRs Oct 16, 2026
@github-project-automation github-project-automation Bot moved this to Todo in Docs PRs Oct 16, 2026
@bedevere-app bedevere-app Bot mentioned this pull request Oct 16, 2026
gh-156939: Document that PyASCIIObject ends with null byte #157708
Merged
@vstinner
vstinner enabled auto-merge (squash) October 16, 2026 13:22
@vstinner vstinner removed the type-feature A feature request or enhancement label Oct 16, 2026
@read-the-docs-community

read-the-docs-community Bot commented Oct 16, 2026

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Documentation build overview

📚 cpython-previews | 🛠️ Build #35192803 | 📁 Comparing 34ac4bf against main (c7a1716)

  🔍 Preview build  

311 files changed · + 1 added · ± 289 modified · - 21 deleted

+ Added

  • library/asyncio-policy.html

± Modified

  • about.html
  • bugs.html
  • glossary.html
  • index.html
  • license.html
  • py-modindex.html
  • builtins/exceptions.html
  • builtins/functions.html
  • builtins/stdtypes.html
  • builtins/time-complexity.html
  • and 279 more...

- Deleted

  • _static/tachyon-example-flamegraph.html
  • _static/tachyon-example-heatmap.html
  • c-api/sentinel.html
  • c-api/slots.html
  • deprecations/c-api-pending-removal-in-3.19.html
  • deprecations/c-api-pending-removal-in-3.20.html
  • deprecations/pending-removal-in-3.20.html
  • deprecations/pending-removal-in-3.21.html
  • deprecations/soft-deprecations.html
  • extending/first-extension-module.html
  • and 11 more...
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@vstinner
vstinner merged commit 823f781 into python:3.14 Oct 16, 2026
37 of 42 checks passed

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@github-project-automation github-project-automation Bot moved this from Todo to Done in Docs PRs Oct 16, 2026
@bedevere-app bedevere-app Bot removed the awaiting review label Oct 16, 2026
@miss-islington
miss-islington deleted the backport-4d3b405-3.14 branch October 16, 2026 13:30
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@miss-islington @vstinner
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