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- version39-41:1.1;
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- 1.1
- date 92.05.14.19.55.40; author mwild; state Exp;
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- desc
- @provide two BPTR attached to a pipe. Not currently used anymore.
- @
-
-
- 1.1
- log
- @Initial revision
- @
- text
- @/*
- * 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.
- *
- * $Id$
- *
- * $Log$
- */
-
- #define KERNEL
- #include "ixemul.h"
-
- extern int _dos20;
-
- #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 ());
- __Close (vecs[1]);
- }
- else
- errno = __ioerr_to_errno (IoErr ());
-
- ix_unlock_base ();
- return 0;
-
- ok:
- ix_unlock_base ();
- return -1;
- }
- @
-