Date: Wed, 22 Dec 2004 11:48:35 -0700 (MST) From: "M. Warner Losh" <imp@bsdimp.com> To: scottl@FreeBSD.org Cc: arch@FreeBSD.org Subject: Re: Header files with enums instead of defines? Message-ID: <20041222.114835.65987539.imp@bsdimp.com> In-Reply-To: <41C9C015.7050706@freebsd.org> References: <34cb7c8404122205002bd7de18@mail.gmail.com> <20041222.113411.76074974.imp@bsdimp.com> <41C9C015.7050706@freebsd.org>
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In message: <41C9C015.7050706@freebsd.org>
Scott Long <scottl@freebsd.org> writes:
: M. Warner Losh wrote:
: > In order to gain the benefits of the enums, errno would need to be an
: > enum errno_t or some such. This breaks C++ code that sets errno = 0,
: > since you can't assign integers to errno values.
: >
: > So even if you retained EBOGUS or whatever, this wouldn't work with
: > C++. errno has to be an int to work there.
: >
: > Warner
:
: I think you might have missed that nothing was actually being declared
: with the errno_t type, but rather the type was used as a cast for gdb.
: It's a neat trick, but still a little cumbersome unless gdb was taught
: about it or given some clever macros.
Then why bother... Is typing something complex to gdb really better
than "grep $number /usr/include/sys/errno.h"?
Warner
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