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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.
- *
- * __swrite.c,v 1.1.1.1 1994/04/04 04:30:12 amiga Exp
- *
- * __swrite.c,v
- * Revision 1.1.1.1 1994/04/04 04:30:12 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"
-
- static int __do_sync_write(struct file *f, char *buf, int len)
- {
- int err=errno, res = 0;
- int omask;
-
- omask = syscall (SYS_sigsetmask, ~0);
- __get_file (f);
-
- if (len > 0)
- {
- /* full append-mode means, before each write do an explicit
- * seek to eof */
- if (f->f_flags & FAPPEND)
- {
- SendPacket3(f,__srwport,ACTION_SEEK,f->f_fh->fh_Arg1,0,OFFSET_END);
- __wait_sync_packet(&f->f_sp);
- }
-
- SendPacket3(f,__srwport,ACTION_WRITE,f->f_fh->fh_Arg1,(long)buf,len);
- __wait_sync_packet(&f->f_sp);
- res = LastResult(f);
- if (res == -1) err = __ioerr_to_errno(LastError(f));
- }
-
- LastResult(f) = 0;
- __release_file (f);
- syscall (SYS_sigsetmask, omask);
- errno = err;
- KPRINTF (("&errno = %lx, errno = %ld\n", &errno, errno));
- return res;
- }
-
- int __write(struct file *f, char *buf, int len)
- {
- char *p;
- int l, bytes, res = 0, tmp;
-
- if (HANDLER_NIL(f))
- return len;
- if (!f->f_fh->fh_Port) /* if not interactive */
- return __do_sync_write(f, buf, len);
-
- /* write the buffer line by line, otherwise the user isn't able to stop
- the console output until the whole buffer was flushed to the console */
- /* also check the f->f_ttyflags */
-
- #define TTY_NLCR_ENABLE (IXTTY_RAW | IXTTY_OPOST | IXTTY_ONLCR)
-
- for (p = buf, l = 0; l < len; p += bytes, l += bytes)
- {
- if (p[0] == '\n')
- {
- bytes = 1;
- if ((f->f_ttyflags & TTY_NLCR_ENABLE) == TTY_NLCR_ENABLE)
- {
- tmp = __do_sync_write(f, "\r\n", 2);
- if (tmp == -1)
- return tmp;
- tmp = (tmp == 2 ? 1 : 0);
- res += tmp;
- if (tmp != bytes)
- return res;
- continue;
- }
- }
- else
- for (bytes = 0; l + bytes < len && p[bytes] != '\n' && bytes < 256; bytes++) ;
- if (bytes)
- {
- tmp = __do_sync_write(f, p, bytes);
- if (tmp == -1)
- return tmp;
- res += tmp;
- if (tmp != bytes)
- return res;
- }
- }
- return res;
- }
-