diff options
Diffstat (limited to 'sysdeps/stub')
-rw-r--r-- | sysdeps/stub/pread.c | 43 | ||||
-rw-r--r-- | sysdeps/stub/pwrite.c | 43 |
2 files changed, 86 insertions, 0 deletions
diff --git a/sysdeps/stub/pread.c b/sysdeps/stub/pread.c new file mode 100644 index 0000000000..8d937c76c5 --- /dev/null +++ b/sysdeps/stub/pread.c @@ -0,0 +1,43 @@ +/* Copyright (C) 1991, 1995, 1996, 1997 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <errno.h> +#include <unistd.h> + +/* Read NBYTES into BUF from FD at the given position OFFSET without + changing the file pointer. Return the number read or -1. */ +ssize_t +pread (int fd, void *buf, size_t nbytes, off_t offset) +{ + if (nbytes == 0) + return 0; + if (fd < 0) + { + __set_errno (EBADF); + return -1; + } + if (buf == NULL || offset < 0) + { + __set_errno (EINVAL); + return -1; + } + + __set_errno (ENOSYS); + return -1; +} +stub_warning (pread) diff --git a/sysdeps/stub/pwrite.c b/sysdeps/stub/pwrite.c new file mode 100644 index 0000000000..ee670d9670 --- /dev/null +++ b/sysdeps/stub/pwrite.c @@ -0,0 +1,43 @@ +/* Copyright (C) 1991, 1995, 1996, 1997 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <errno.h> +#include <unistd.h> + +/* Write NBYTES of BUF to FD at given position OFFSET without changing + the file position. Return the number written, or -1. */ +ssize_t +pwrite (int fd, const void *buf, size_t nbytes, off_t offset) +{ + if (nbytes == 0) + return 0; + if (fd < 0) + { + __set_errno (EBADF); + return -1; + } + if (buf == NULL || offset < 0) + { + __set_errno (EINVAL); + return -1; + } + + __set_errno (ENOSYS); + return -1; +} +stub_warning (pwrite) |