Re: uudecode bug (?)

[Paul Jarc]

Andrew D Jewell <address@hidden> wrote:
> -P, --paranoid : always open output files with
>                   "unlink(foo); open(foo, O_EXCL | O_CREATE)"

That loses mode bits.  Instead:
  fd=open(file, O_WRONLY|O_CREAT|O_NOFOLLOW);
  fstat(fd, &statbuf);
  if (!S_ISREG(statbuf.st_mode)) {
    close(fd);
    fail();
  }
O_NOFOLLOW might not exist on some systems, but then it's impossible
to completely avoid a race anyway, I think.


paul