On Tue, Sep 16, 2003 at 12:13:31PM -0700, Jan Jaeger wrote:
>We have always used setvbuf(stdout, NULL, _IOLBF, 0) to ensure that
>each line is read by the logger as it is written.
>
>However this has now stopped working in the current release of cygwin,
>adding a fflush() after every printf() bypasses the error, but at the
>moment setvbuf does not seem to work correctly for us.
Do you have a simple test case which demonstrates this? I wrote the
below and piped it into cat and it works as expected. "foo" is printed,
there is a five second pause, and "bar is printed.
cgf
#include <stdio.h>
int
main (int argc, char **argv)
{
setvbuf(stdout, NULL, _IOLBF, 0);
printf ("foo\n");
sleep (5);
printf ("bar");
}
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