60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
/* Copyright (c) 2013 Red Hat, Inc. All rights reserved.
|
|
|
|
This copyrighted material is made available to anyone wishing to use, modify,
|
|
copy, or redistribute it subject to the terms and conditions of the BSD
|
|
License. This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY expressed or implied, including the implied warranties
|
|
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. A copy of this license
|
|
is available at http://www.opensource.org/licenses. Any Red Hat trademarks that
|
|
are incorporated in the source code or documentation are not subject to the BSD
|
|
License and may only be used or replicated with the express permission of
|
|
Red Hat, Inc.
|
|
*/
|
|
|
|
#include <string.h>
|
|
|
|
#include "cio.h"
|
|
|
|
static int
|
|
write_chunk (int fd, char *buf, int len)
|
|
{
|
|
__CIOBUF__.length[0] = len;
|
|
__CIOBUF__.length[1] = len >> 8;
|
|
__CIOBUF__.parms[0] = CIO_WRITE;
|
|
__CIOBUF__.parms[1] = fd;
|
|
__CIOBUF__.parms[2] = fd >> 8;
|
|
__CIOBUF__.parms[3] = len;
|
|
__CIOBUF__.parms[4] = len >> 8;
|
|
memcpy (__CIOBUF__.buf, buf, len);
|
|
|
|
_libgloss_cio_hook ();
|
|
|
|
return __CIOBUF__.parms[0] + __CIOBUF__.parms[1] * 256;
|
|
}
|
|
|
|
#include <stdio.h>
|
|
|
|
int
|
|
write (int fd, char *buf, int len)
|
|
{
|
|
int rv = 0;
|
|
int c;
|
|
#if 0
|
|
if (fd == 2)
|
|
fprintf (stderr, "%.*s", buf, len);
|
|
else if (fd == 1)
|
|
printf ("%.*s", buf, len);
|
|
#endif
|
|
while (len > 0)
|
|
{
|
|
int l = (len > CIO_BUF_SIZE) ? CIO_BUF_SIZE : len;
|
|
c = write_chunk (fd, buf, l);
|
|
if (c < 0)
|
|
return c;
|
|
rv += l;
|
|
len -= l;
|
|
buf += l;
|
|
}
|
|
return rv;
|
|
}
|