diff options
Diffstat (limited to 'sysdeps/mach/hurd/pwrite.c')
| -rw-r--r-- | sysdeps/mach/hurd/pwrite.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sysdeps/mach/hurd/pwrite.c b/sysdeps/mach/hurd/pwrite.c index d307b47277..42de3eb9f9 100644 --- a/sysdeps/mach/hurd/pwrite.c +++ b/sysdeps/mach/hurd/pwrite.c @@ -1,6 +1,6 @@ /* Write block at given position in file without changing file pointer. Hurd version. - Copyright (C) 1999 Free Software Foundation, Inc. + 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 @@ -27,8 +27,11 @@ ssize_t __pwrite (int fd, const void *buf, size_t nbytes, off_t offset) { - error_t err = HURD_FD_USE (fd, _hurd_fd_write (descriptor, - buf, &nbytes, offset)); + error_t err; + if (offset < 0) + err = EINVAL; + else + err = HURD_FD_USE (fd, _hurd_fd_write (descriptor, buf, &nbytes, offset)); return err ? __hurd_dfail (fd, err) : nbytes; } weak_alias (__pwrite, pwrite) |