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Title: formatfloat wrong return in unicode_format.c · Issue #151845 · python/cpython · GitHub

Open Graph Title: formatfloat wrong return in unicode_format.c · Issue #151845 · python/cpython

X Title: formatfloat wrong return in unicode_format.c · Issue #151845 · python/cpython

Description: Bug report Bug description: Original gist: https://gist.github.com/devdanzin/577421b083bad6802aa391b909d1a725 formatfloat (line 163): Returns 0 (success) when _PyUnicode_FromASCII fails. Caller has safety net, but violates return-value c...

Open Graph Description: Bug report Bug description: Original gist: https://gist.github.com/devdanzin/577421b083bad6802aa391b909d1a725 formatfloat (line 163): Returns 0 (success) when _PyUnicode_FromASCII fails. Caller has...

X Description: Bug report Bug description: Original gist: https://gist.github.com/devdanzin/577421b083bad6802aa391b909d1a725 formatfloat (line 163): Returns 0 (success) when _PyUnicode_FromASCII fails. Caller has...

Opengraph URL: https://github.com/python/cpython/issues/151845

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og:image:altBug report Bug description: Original gist: https://gist.github.com/devdanzin/577421b083bad6802aa391b909d1a725 formatfloat (line 163): Returns 0 (success) when _PyUnicode_FromASCII fails. Caller has...
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formatfloat wrong return in unicode_format.chttps://github.com/python/cpython/issues/151845#top
interpreter-core(Objects, Python, Grammar, and Parser dirs)https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22interpreter-core%22
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on Jun 21, 2026https://github.com/python/cpython/issues/151845#issue-4710693832
https://gist.github.com/devdanzin/577421b083bad6802aa391b909d1a725https://gist.github.com/devdanzin/577421b083bad6802aa391b909d1a725
gh-151845: Fix formatfloat() return-value contract in unicode_format.c #151846https://github.com/python/cpython/pull/151846
[3.15] gh-151845: Fix formatfloat() return-value contract in unicode_format.c (GH-151846) #151865https://github.com/python/cpython/pull/151865
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