On Fri, Sep 01, 2006 at 06:57:10PM +0100, Dave Korn wrote: >On 01 September 2006 18:47, [EMAIL PROTECTED] 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. cgf -- 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/