glibc/sysdeps/stub/sysd-stdio.c
1995-02-18 01:27:10 +00:00

112 lines
3.0 KiB
C

/* Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
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 <errno.h>
#include <stdio.h>
/* Read up to N chars into BUF from COOKIE.
Return how many chars were read, 0 for EOF or -1 for error. */
int
DEFUN(__stdio_read, (cookie, buf, n),
PTR cookie AND register char *buf AND register size_t n)
{
errno = ENOSYS;
return -1;
}
/* Write up to N chars from BUF to COOKIE.
Return how many chars were written or -1 for error. */
int
DEFUN(__stdio_write, (cookie, buf, n),
PTR cookie AND register CONST char *buf AND register size_t n)
{
errno = ENOSYS;
return -1;
}
/* Move COOKIE's file position *POS bytes, according to WHENCE.
The new file position is stored in *POS.
Returns zero if successful, nonzero if not. */
int
DEFUN(__stdio_seek, (cookie, pos, whence),
PTR cookie AND fpos_t *pos AND int whence)
{
errno = ENOSYS;
return -1;
}
/* Close the file associated with COOKIE.
Return 0 for success or -1 for failure. */
int
DEFUN(__stdio_close, (cookie), PTR cookie)
{
errno = ENOSYS;
return -1;
}
/* Return the POSIX.1 file descriptor associated with COOKIE,
or -1 for errors. If COOKIE does not relate to any POSIX.1 file
descriptor, this should return -1 with errno set to EOPNOTSUPP. */
int
DEFUN(__stdio_fileno, (cookie), PTR cookie)
{
errno = ENOSYS;
return -1;
}
/* Open FILENAME with the mode in M.
Store the magic cookie associated with the opened file in *COOKIEPTR.
Return zero on success and nonzero on failure. */
int
DEFUN(__stdio_open, (filename, m, cookieptr),
CONST char *filename AND __io_mode m AND PTR *cookieptr)
{
errno = ENOSYS;
return -1;
}
/* Open FILENAME with the mode in M. Use the same magic cookie
already in *COOKIEPTR if possible, closing the old cookie with CLOSEFN. */
int
DEFUN(__stdio_reopen, (filename, m, cookieptr),
CONST char *filename AND __io_mode m AND
PTR *cookieptr AND __io_close_fn closefn)
{
errno = ENOSYS;
return -1;
}
#ifdef HAVE_GNU_LD
#include <gnu-stabs.h>
stub_warning(__stdio_read);
stub_warning(__stdio_write);
stub_warning(__stdio_seek);
stub_warning(__stdio_close);
stub_warning(__stdio_fileno);
stub_warning(__stdio_open);
stub_warning(__stdio_reopen);
#endif /* GNU stabs. */