I personally like using getenv, setenv, and unsetenv. The
documentation could be changed to say something like passing .NIL will
delete the environment variable on those systems that support the
unsetenv(3) call.
On my man page it says
putenv() no longer copies its input buffer. This often appears in
crash logs as a crash ingetenv(). Avoid
passing local buffers or freeing the memory that is passed toputenv().
Usesetenv(), which still makes
an internal copyofits buffers.
So it sounds like setenv, is much safer. In looking at how setenv and
unsetenv are implemented, they are thread safe, as they use locks to
prevent concurrent update to the Environment pointers array.
Bruce
On Oct 1, 2009, at 10:26 AM, Mark Miesfeld wrote:
On Thu, Oct 1, 2009 at 10:23 AM, Rick McGuire
<[email protected]> wrote:
I'd say leave the 4.0 branch alone, open the bug, and do a complete
cleanup of this area to use more "modern" methods. That gives us a
little more time to catch the gotchas.
Good, that's exactly what I was thinking.
--
Mark Miesfeld
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