File: [Development] / xfs-cmds / xfsdump / librmt / rmtwrite.c (download)
Revision 1.5, Wed Nov 9 05:04:17 2005 UTC (11 years, 11 months ago) by nathans.longdrop.melbourne.sgi.com
Branch: MAIN
CVS Tags: HEAD Changes since 1.4: +13 -29
lines
Update copyright annotations and license boilerplates to correspond with SGI Legals preferences.
Merge of master-melb:xfs-cmds:24334a by kenmcd.
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/*
* Copyright (c) 2000-2001 Silicon Graphics, Inc.; provided copyright in
* certain portions may be held by third parties as indicated herein.
* All Rights Reserved.
*
* The code in this source file represents an aggregation of work from
* Georgia Tech, Fred Fish, Jeff Lee, Arnold Robbins and other Silicon
* Graphics engineers over the period 1985-2000.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <signal.h>
#include <errno.h>
#include "rmtlib.h"
static int _rmt_write(int, char *, unsigned int);
/*
* Write to stream. Looks just like write(2) to caller.
*/
int rmtwrite (fildes, buf, nbyte)
int fildes;
char *buf;
unsigned int nbyte;
{
if (isrmt (fildes))
{
return (_rmt_write (fildes - REM_BIAS, buf, nbyte));
}
else
{
return (write (fildes, buf, nbyte));
}
}
/*
* _rmt_write --- write a buffer to the remote tape
*/
static int _rmt_write(int fildes, char *buf, unsigned int nbyte)
{
char buffer[BUFMAGIC];
void (*pstat)();
sprintf(buffer, "W%d\n", nbyte);
if (_rmt_command(fildes, buffer) == -1)
return(-1);
pstat = signal(SIGPIPE, SIG_IGN);
if (write(WRITE(fildes), buf, nbyte) == nbyte)
{
signal (SIGPIPE, pstat);
return(_rmt_status(fildes));
}
signal (SIGPIPE, pstat);
_rmt_abort(fildes);
setoserror( EIO );
return(-1);
}