On Tue, 12 Mar 2019 16:08:24 +0000
Alexandre Billon <[email protected]> wrote:
> 1st question : Is there a way to tell printf() to display the decimal
> separator set in the OS ?
>
> For example, the decimal separator in my OS is set to comma (,), I
> would like printf() to display the comma as the decimal separator.
You may want to return the value in native form and use your C library
to format it. Posix defines the single-quote character as a modifier
that does just what you want:
''' (apostrophe)
Decimal conversions (d, u, or i) or the integral portion of a
floating point conversion (f or F) should be grouped and
separated by thousands using the non-monetary separator
returned by localeconv(3).
--jkl
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