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- /* Copyright (C) 1994 Free Software Foundation, Inc.
- Ported to standalone by Joel Sherrill jsherril@redstone-emh2.army.mil,
- On-Line Applications Research Corporation.
-
- This file is part of the GNU C Library.
-
- The GNU C 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.
-
- The GNU C 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 the GNU C Library; see the file COPYING.LIB. If
- not, write to the Free Software Foundation, Inc., 675 Mass Ave,
- Cambridge, MA 02139, USA. */
-
- #include <ansidecl.h>
- #include <sysdep.h>
- #include <errno.h>
- #include <unistd.h>
- #include <stddef.h>
-
- #include "filedesc.h"
- #include <fcntl.h>
- #include <standalone.h>
-
- /* Write NBYTES of BUF to FD. Return the number written, or -1. */
- ssize_t
- DEFUN(__write, (fd, buf, nbytes),
- int fd AND CONST PTR buf AND size_t nbytes)
- {
- int count;
- CONST char *data = buf;
-
- if (nbytes == 0)
- return 0;
- if ( !__FD_Is_valid( fd ) || !__FD_Table[ fd ].in_use )
- {
- errno = EBADF;
- return -1;
- }
- if (buf == NULL)
- {
- errno = EINVAL;
- return -1;
- }
-
- if ( !(__FD_Table[ fd ].flags & (O_WRONLY|O_RDWR)) ) /* is it writeable? */
- {
- errno = EBADF;
- return -1;
- }
-
- /*
- * All open file descriptors are mapped to the console.
- */
-
- for ( count=0 ; count != nbytes ; count++ ) {
- if ( _Console_Putc(data[ count ]) == -1 )
- return -1;
- if ( data[count] == '\n' && _Console_Putc('\r') == -1 )
- return -1;
- }
-
- return count;
- }
-
-