diff options
Diffstat (limited to 'posix/pread.c')
-rw-r--r-- | posix/pread.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/posix/pread.c b/posix/pread.c new file mode 100644 index 0000000..5c79dd5 --- /dev/null +++ b/posix/pread.c @@ -0,0 +1,46 @@ +/* Copyright (C) 1991, 1995, 1996, 1997, 1999 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 Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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 +__libc_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; +} +strong_alias (__libc_pread, __pread) +weak_alias (__libc_pread, pread) +stub_warning (pread) +#include <stub-tag.h> |