On 01/17/2017 11:48, Benjamin Kaduk wrote:
> On Tue, Jan 17, 2017 at 10:57 AM, Ian Lepore <i...@freebsd.org
> <mailto:i...@freebsd.org>> wrote:
>
> In my experience, enums are a superior way to define integer constants
> (compared to #define), but they are pure poison as variable types in
> APIs and structures because their size is a compiler implementation
> choice.
>
>
> Well, to some extent. For example, the amd64 sysV ABI says that enum
> types are signed fourbyte, with a footnote that "C++ and some
> implementations of C permit enums larger than an int. The underlying
> type is bumped to an unsigned int, long int or unsigned long int, in
> that order."
And in C++11 and later, you can specify the exact type:
enum color
#if defined(__cplusplus) && __cplusplus >= 201103L
: int
#endif
{
blue,
...
Eric
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