fix printf negative infinity #15965
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fix printf negative infinity #15965
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Oh I was unaware. Close this PR then? this is a low-effort fix~ |
seems the location is correct :) https://github.com/php/php-src/pull/15965/files#r1768840758
Co-authored-by: Christoph M. Becker <cmbecker69@gmx.de>
cmb69
approved these changes
Sep 21, 2024
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Thank you! This looks good to me, but maybe adding some more test cases makes sense; escpecially giving a width in the format specifier to show the alignment, and maybe some more, e.g. using 0 padding.
And I would also change the max_width for NaN, but that can be done in a follow-up PR, too.
Anyhow, since we're late in the PHP 8.4.0 pre-release cycle, this requires approval from the @php/release-managers-84.
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sprintf("%.17g", -INF);should return-INFnotINFresolves #15964
I tried fixing it inside php_sprintf_appendstring as it seems the original author intended, but.. that was difficult, and I broke other stuff.
(I think php_sprintf_appendstring would benefit from using smart_str https://www.phpinternalsbook.com/php7/internal_types/strings/smart_str.html , but idk how much effort that would be)