Return to fflush.c CVS log

Up to [MW Coherent from dump] / coherent / d / lib / libc / stdio

coherent

/*
 * libc/stdio/fflush.c
 * Standard I/O Library.
 * Write out any unwritten data in buffer.
 */

#include <stdio.h>
#include <errno.h>

int
fflush(fp)
register FILE	*fp;
{
	register int n, cc, oerrno;

	oerrno = errno;
	n = errno = fp->_cc = 0;
	if (fp->_ff&_FERR)
		n = EOF;
	else if ((cc = fp->_cp - fp->_dp) <= 0
	 || write(fileno(fp), fp->_dp, cc) == cc
	 || errno == EINTR) {
		if (cc < 0)
			;
		else if (fp->_cp == _ep(fp))
			fp->_dp = fp->_cp = fp->_bp;
		else
			fp->_dp = fp->_cp;
	} else {
		fp->_ff |= _FERR;
		n = EOF;
	}
	if (errno == 0)
		errno = oerrno;
	return n;
}

/* end of libc/stdio/fflush.c */

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.