Re: constify dirname/basename [was: CVS commit: src]

[David Holland <dholland-tech%netbsd.org@localhost>]

On Thu, Apr 24, 2008 at 08:03:30AM +0900, Neil Booth wrote:
 > > > SUSv3 says that both functions "may modify the string pointed to by
 > > > path" (the argument to those functions).  While our implementations
 > > > don't do that, are we OK by the standards to now declare those
 > > > functions as having a const argument?
 > > 
 > > I can't see why not.
 > 
 > It means user-space code redeclaring the function will now get
 > an incompatible redclaration error.
 > 
 > From my understanding we cannot do this whilst retaining conformance
 > to a spec; the prototype has to be compatible.

Whether or not standards technically allow it, user code should never
do that.

-- 
David A. Holland
dholland%netbsd.org@localhost