58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
/*
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* This file is part of ixemul.library for the Amiga.
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* Copyright (C) 1991, 1992 Markus M. Wild
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* __amiga_filehandle.c,v 1.1.1.1 1994/04/04 04:30:57 amiga Exp
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*
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* __amiga_filehandle.c,v
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* Revision 1.1.1.1 1994/04/04 04:30:57 amiga
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* Initial CVS check in.
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*
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* Revision 1.1 1992/05/14 19:55:40 mwild
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* Initial revision
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*
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*/
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#define _KERNEL
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#include "ixemul.h"
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#include "kprintf.h"
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/* Please use this function very restrictively!! It is meant only to be
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able to use dos.library functions on ixemul.library file descriptors.
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Be prepared to get a 0 return, as not every existing descriptor has
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to be implemented as an AmigaOS file */
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BPTR
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ix_filehandle (int fd)
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{
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usetup;
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struct file *fp;
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if ((unsigned)fd >= NOFILE || (fp = u.u_ofile[fd]) == NULL)
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{
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errno = EBADF;
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KPRINTF (("&errno = %lx, errno = %ld\n", &errno, errno));
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return 0;
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}
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if (fp->f_type == DTYPE_FILE)
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return CTOBPTR (fp->f_fh);
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else
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return 0;
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}
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