[C / C++] Portable library to measure time

On Nov 5, 10:18 am, Nick Keighley <nick_keighley_nos...@hotmail.com>
wrote:
> On 2 Nov, 10:18, James Kanze <james.ka...@gmail.com> wrote:

[...]
> > Reinventing something that is already available should only
> > be done when there is a very good reason for not using what
> > is available. (Copyright restrictions come to mind---some
> > projects can't use GPL, for example.)

> as someone who is lumbered with some unsupported 3PLs there
> can be other reasons. Some 3PLs cost money. Sometimes a lot of
> money.

And some are of such low quality that you can't allow them. Or
you're unsure of future support, or portability (from
experience, a lot of so-called portable libraries don't work
with Sun CC).

[...]
> > In other words, write a library that someone else has already
> > written.

> > Sometimes it's necessary---there can be a number of reasons
> > not to use an existing library. But you shouldn't rewrite
> > it unless it is necessary for some reason.

> wrapper it.

If it's an essential part of your application, always. Even if
the library in question is the standard library. Wrappered, and
you have the chance of replacing it, if e.g. it causes
performance problems.

--
James Kanze

James Kanze