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Speccy ClassiX 1998
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ixemulsrc.lha
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ixemul-41.4
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__pipe.c
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1995-05-28
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76 lines
/*
* This file is part of ixemul.library for the Amiga.
* Copyright (C) 1991, 1992 Markus M. Wild
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* __pipe.c,v 1.1.1.1 1994/04/04 04:30:48 amiga Exp
*
* __pipe.c,v
* Revision 1.1.1.1 1994/04/04 04:30:48 amiga
* Initial CVS check in.
*
* Revision 1.1 1992/05/14 19:55:40 mwild
* Initial revision
*
*/
#define KERNEL
#include "ixemul.h"
#include "kprintf.h"
#if __GNUC__ != 2
#define alloca __builtin_alloca
#endif
int
__pipe (BPTR vecs[2])
{
static char name[] = "PIPE:ixemul00000";
char *cp;
ix_lock_base ();
/* funny piece.. increment the counter ;-)) */
cp = name + (sizeof (name) - 2); /* point at last 0 */
while (++*cp == '9' + 1)
{
*cp = '0';
cp--;
}
if (vecs[1] = __open (name, MODE_NEWFILE))
if (vecs[0] = __open (name, MODE_OLDFILE))
goto ok;
else
{
errno = __ioerr_to_errno (IoErr ());
KPRINTF (("&errno = %lx, errno = %ld\n", &errno, errno));
__Close (vecs[1]);
}
else
{
errno = __ioerr_to_errno (IoErr ());
KPRINTF (("&errno = %lx, errno = %ld\n", &errno, errno));
}
ix_unlock_base ();
return 0;
ok:
ix_unlock_base ();
return -1;
}