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Bug 20645 – printf deprecation for width + precision

Status: RESOLVED
Resolution: FIXED
Severity: normal
Priority: P1
Component: dmd
Product: D
Version: D2
Platform: All
OS: All
Creation time: 2020-03-07T13:25:08Z
Last change time: 2020-03-12T04:15:41Z
Keywords: pull
Assigned to: No Owner
Creator: moonlightsentinel

Comments

Comment #0 by moonlightsentinel — 2020-03-07T13:25:08Z

As found in DMDs runnable/dhry.d: ------------------------------------ double Microseconds, printf ("%7.1lf \n", Microseconds); ------------------------------------ runnable\dhry.d(615): Deprecation: format specifier `"%7.1lf"` is invalid

Comment #1 by dlang-bot — 2020-03-07T14:47:38Z

@Luhrel created dlang/dmd pull request #10876 "Fix issue 20645" fixing this issue: - Fix issue 20645 https://github.com/dlang/dmd/pull/10876

Comment #2 by moonlightsentinel — 2020-03-07T14:55:46Z

Nevermind, this deprecation is valid as only L (not l) is allowed for floating point numbers according to https://www.cplusplus.com/reference/cstdio/printf/

Comment #3 by r.sagitario — 2020-03-07T17:17:59Z

"%lf" is allowed according to https://en.cppreference.com/w/cpp/io/c/fprintf

Comment #4 by bugzilla — 2020-03-12T04:14:33Z

The relevant Standard is C99 7.9.16. Please do not defer to online rewrites of the Standard, as they are sloppy in the subtle details.

Comment #5 by dlang-bot — 2020-03-12T04:15:41Z

dlang/dmd pull request #10876 "Fix issue 20645 - printf deprecation for width + precision" was merged into master: - 6e0745fdb4ba823e711a1ca13abd6f9063b69393 by Luhrel: Fix issue 20645 - printf deprecation for width + precision https://github.com/dlang/dmd/pull/10876