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83 lines
2.1 KiB
C
83 lines
2.1 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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* read.c,v 1.1.1.1 1994/04/04 04:30:30 amiga Exp
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*
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* read.c,v
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* Revision 1.1.1.1 1994/04/04 04:30:30 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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#include <unistd.h>
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//ssize_t read_fp(FILE *fp, void *buf, size_t len)
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//{
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// usetup;
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// struct file *f;
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//
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//
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// /* if this is an open fd */
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// if (fp->_file_struct)
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// {
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// f = fp->_file_struct;
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// if (f->f_read)return (*f->f_read)(f, buf, len);
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// else
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// {
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// errno = EIO;
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// KPRINTF (("&errno = %lx, errno = %ld\n", &errno, errno));
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// }
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// }
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// else
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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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// }
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// return -1;
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//}
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ssize_t read(int fd, void *buf, size_t len)
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{
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usetup;
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struct file *f;
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if (u.u_parent_userdata)f = u.u_parent_userdata->u_ofile[fd];
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else f = u.u_ofile[fd];
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//f = u.u_ofile[fd];
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/* if this is an open fd */
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if (fd >= 0 && fd < NOFILE && f)
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if (f->f_read)
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return (*f->f_read)(f, buf, len);
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else
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{
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errno = EIO;
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KPRINTF (("&errno = %lx, errno = %ld\n", &errno, errno));
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}
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else
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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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}
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return -1;
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}
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