[EMAIL PROTECTED] wrote:
Aieee! This one has to do with a really, really nasty problem. There are
at least three different kinds of strerror_r() about:
* the AIX version, which is no big problem and so I'll ignore it here;
* the Single Unix Specification or SUS one, which returns int;
* the GNU version, which returns char *.
Detecting the difference between the latter two at build time is really
hard because they take the exact same arguments! This wouldn't be a
problem if we could afford to ignore the returned value, but with the GNU
version, we can't. We need special-case code for these, selected at build
time.
What about simply doing something like:
inline static void foo(const char*)
{
// do something with const char*
}
inline static void foo(int)
{
// do something with int
}
void bar()
{
foo(strerror_r(/* ... */));
}
Any decent compiler will optimize away the version of foo() that isn't
needed, and no configuring necessary -- except for the AIX version perhaps.
--Bart
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