On Fri, Oct 12, 2018 at 1:07 PM Sven Barth via fpc-devel < fpc-devel@lists.freepascal.org> wrote:
> Dmitry Boyarintsev <skalogryz.li...@gmail.com> schrieb am Fr., 12. Okt. > 2018, 17:26: > >> Maybe "Boolean8" type should help instead? >> David, could you please test with Boolean8 instead of ByteBool? >> > > Boolean8 is an alias to Boolean. But if you need to work with 1 and 0, but > have 4 Byte width then you could try Boolean32. > Hmm, this is odd. https://www.freepascal.org/docs-html/ref/refsu4.html Boolean8, size=1, ord=1 "In addition to the simple Boolean type, the additional Boolean8, Boolean16, Boolean32 and Boolean64 types exist. There are in fact integer types, which are assignment-compatible with the simple boolean type. As an integer, the values for True and False are 1 and 0. This can be used to interfac with C code that defines a boolean of this size with values 0 and 1." Boolean8 is not exactly an alias to Boolean, as it's expected to act as an integer, rather than _Bool. (and would be expected? to be passed an integer). However, fpc 3.0.4 doesn't have Boolean8 as builtin type. Instead it provides Boolean16+ only. Maybe it's available in trunk only. thanks, Dmitry
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