On Mar 12, 2010, at 10:39 AM, William A. Rowe Jr. wrote:
> On 3/12/2010 5:21 AM, Greg Stein wrote:
>>
>> It is *totally* fine to add a 'const' to a parameter that was not
>> there before. That does not change the ABI whatsoever, and it will not
>> break the API for callers. It merely gives them more information at
>> compile time.
>
> int oldfunc (const char *result);
>
> int brokefunc ()
> {
> char *res = oldfunc();
> }
>
> doesn't compile on a single platform I know of.
>
> Your statement makes no sense; how does adding const'ness to char *result
> not come with source code level compatibility breakage?
I think he means it was the 'const' which was not previously present, not the
parameter itself.
-Hyrum