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- /*
- * 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.
- *
- * __mread.c,v 1.1.1.1 1994/04/04 04:30:11 amiga Exp
- *
- * __mread.c,v
- * Revision 1.1.1.1 1994/04/04 04:30:11 amiga
- * Initial CVS check in.
- *
- * Revision 1.1 1992/05/14 19:55:40 mwild
- * Initial revision
- *
- */
-
- #define _KERNEL
- #include <string.h>
- #include "ixemul.h"
-
- int
- __mread(struct file *f, char *buf, int len)
- {
- int real_len;
- int left;
- int omask;
-
- omask = syscall (SYS_sigsetmask, ~0);
- __get_file (f);
-
- left = f->f_stb.st_size - f->f_mf.mf_offset;
- real_len = left < len ? left : len;
-
- bcopy (((char *)f->f_mf.mf_buffer) + f->f_mf.mf_offset, buf, real_len);
- f->f_mf.mf_offset += real_len;
-
- __release_file (f);
- syscall (SYS_sigsetmask, omask);
-
- return real_len;
- }
-