Wireshark-bugs: [Wireshark-bugs] [Bug 7389] IO Graphs do not insert thousands markers in labels
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7389
--- Comment #3 from Richard Sharpe <realrichardsharpe@xxxxxxxxx> 2012-06-21 08:09:28 PDT ---
(In reply to comment #2)
> (In reply to comment #1)
> > (As written on -dev):
> >
> > A quick search for "printf apostrophe portable" brought me here:
> >
> > http://www.velocityreviews.com/forums/t442370-portability-issues-with-flag-in-printf.html
> >
> > which indicates that using the apostrophe isn't really portable.
>
> I was just looking at this as well and noticed the following from "man 3
> printf":
>
> The five flag characters above are defined in the C standard. The
> SUSv2 specifies one further flag character.
>
> ’ For decimal conversion (i, d, u, f, F, g, G) the output is to be
> grouped with thousands’ grouping characters if the locale infor-
> mation indicates any. Note that many versions of gcc cannot
> parse this option and will issue a warning. SUSv2 does not
> include %’F.
>
> And it doesn't seem to work in my testing on Windows.
This shows a way to get thousands separators on Windows:
http://forums.codeguru.com/showthread.php?402370-Thousand-separator
However, it does involve explicitly working with locales, so we might need a
wrapper around g_snprintf here ...
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