glibc/sysdeps/mach/hurd/pread.c
Roland McGrath c0c71388a7 * sysdeps/mach/hurd/pread.c: Fail with EINVAL if OFFSET is negative.
* sysdeps/mach/hurd/pwrite.c: Likewise.

	* shlib-versions [USE_IN_LIBIO] (.*-.*-gnu-gnu.*): libc=0.3
	[USE_IN_LIBIO && !GLIBC_OLDEST_ABI] (.*-.*-gnu-gnu.*): Use GLIBC_2.2.4
	as default version set.

	(test_ftello): Check for EFBIG and ENOSPC, clean up error messages.
2001-06-14 03:02:30 +00:00

36 lines
1.3 KiB
C

/* Read block from given position in file without changing file pointer.
Hurd version.
Copyright (C) 1999,2001 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>
#include <hurd/fd.h>
ssize_t
__pread (int fd, void *buf, size_t nbytes, off_t offset)
{
error_t err;
if (offset < 0)
err = EINVAL;
else
err = HURD_FD_USE (fd, _hurd_fd_read (descriptor, buf, &nbytes, offset));
return err ? __hurd_dfail (fd, err) : nbytes;
}
weak_alias (__pread, pread)