> From: Christopher Faylor > Sent: Friday, September 01, 2006 1:01 PM > Subject: Re: cygwin fork() > > On Fri, Sep 01, 2006 at 06:57:10PM +0100, Dave Korn wrote: > >On 01 September 2006 18:47, clayne wrote: > >>I found the real culprit, which I had also ifdef'd out because it > >>looked bogus and crufty: > >> > >>/* Return 1 if a seek on FD will succeed. */ #ifndef __CYGWIN__ # > >>define fd_is_seekable(fd) (lseek ((fd), 0L, SEEK_CUR) >= 0) > #else # > >>define fd_is_seekable(fd) 0 #endif /* __CYGWIN__ */ > > > >Yeeesh. This is a terrible way of dealing with the fact > that you can't > >seek a stream accurately if you open it in text mode, because of the > >ambiguity about whether you've advanced one or two chars through the > >underlying file when you see an LF that could perhaps have actually > >been a CR/LF. What we really want is > > AFAIK, Cygwin's lseek should handle seeking on text streams. > DJ implemented that years ago. >
Last I looked, which was admittedly also years ago, it was "#if 0"'ed out, with a comment to the effect of "Nobody has any business seeking around in text files." -- Gary R. Van Sickle -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
