site_archiver@lists.apple.com Delivered-To: darwin-dev@lists.apple.com In message <479C20CF.1080900@yahoo.com>, Steve writes:

Have a well known program, qmail, compiled on Leopard. We've used it for 3 years or so on Mac Tiger et al.

I would suggest switching to postfix. qmail is unmaintained, and while no one would accuse djb's code of being a forest of security holes, it's not exactly written with an aggressive eye to language standards or portability.

qmail runs on most any platform out there. In the code, are the following lines:

if (chdir(auto_qmail) == -1) _exit(61); execv(*binqqargs,binqqargs); _exit(120);

Calling _exit from user code is nearly always a mistake.

So, the chdir on all other platforms goes to /var/qmail, and, the execv executes from there bin/qmail-queue.

Makes sense.

The execv (added more code) returns an error 2, or, file not found on Leopard.

That's odd. I'd probably replace it with "/bin/pwd" and see what it says. :)

Could it be a bug in execv on Leoprd when when not using a absolute filename?

No, because as a simple test program shows, that works: static char *ev[] = { 0, 0 }; int main(void) { ev[0] = "bin/ls"; chdir("/"); execv(*ev, ev); return 23; } This will run ls and return 0, suggesting that execv can handle non-absolute path names. Conclusion: Something else has gone wrong. To debug this, you'd presumably need to add all sorts of extra debugging code, possibly instrumenting libc (as I think execv may be implemented in terms of one of the other exec syscalls), etcetera. I wouldn't bother; postfix is better anyway. -s _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.appl... This email sent to site_archiver@lists.apple.com