diff options
Diffstat (limited to 'sysdeps/mach/hurd/pread64.c')
| -rw-r--r-- | sysdeps/mach/hurd/pread64.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/sysdeps/mach/hurd/pread64.c b/sysdeps/mach/hurd/pread64.c index 098b8970b7..fc69ae5056 100644 --- a/sysdeps/mach/hurd/pread64.c +++ b/sysdeps/mach/hurd/pread64.c @@ -1,6 +1,6 @@ /* Read block from given position in file without changing file pointer. Hurd version. - Copyright (C) 2001 Free Software Foundation, Inc. + Copyright (C) 2001,02 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 @@ -20,21 +20,17 @@ #include <errno.h> #include <unistd.h> +#include <hurd/fd.h> ssize_t -__libc_pread64 (int fd, void *buf, size_t nbyte, off64_t offset) +__libc_pread64 (int fd, void *buf, size_t nbytes, off64_t offset) { - /* XXX We don't really support large files on the Hurd. So if - OFFSET doesn't fit in an `off_t', we'll return `-1' and set - errno. EOVERFLOW probably isn't the right error value, but seems - appropriate here. */ - if ((off_t) offset != offset) - { - __set_errno (EOVERFLOW); - return -1; - } - - return __libc_pread (fd, buf, nbyte, 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; } #ifndef __libc_pread64 |