Tim Peters wrote:
>
> Anyone know offhand if there's a reliable way to determine whether an open
> file descriptor (a C FILE*) is seekable?
I'd simply use trial&error:
if (fseek(stream,0,SEEK_CUR) < 0) {
if (errno != EBADF)) {
/* Not seekable */
errno = 0;
}
else
/* Error */
;
}
else
/* Seekable */
;
How to get this thread safe is left as exercise to the interested
reader ;)
Cheers,
--
Marc-Andre Lemburg
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