Re: const char ** syntax question
Hi
salter@icdc.com wrote:
Our software includes several open source libraries,
and runs on at least six platforms. An interface to
one open source library takes
(in an early version) char ** p
(in a later version) const char ** p
Looks like they fixed the API. Maybe they want to set the parameter to some
static strings...
I would like a way to write code that operates with
either version. (Running the same software on all
machines is as difficult as synchronizing clocks.)
Write your own wrapper that switches depending on the library version
(either dynamically or through a macro)
void wrapper(char **p)
{
#if defined(OLDAPI)
api_func(p);
#else
static char *buffer = 0;
const char *cp = *p;
api_func(&cp);
free(buffer);
buffer = static_cast<char*>( malloc(strlen(cp)) );
*p = buffer;
#endif
}
Of course, I have just guessed api_func's behavior.
Markus
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