diff options
Diffstat (limited to 'hurd/fd-write.c')
-rw-r--r-- | hurd/fd-write.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/hurd/fd-write.c b/hurd/fd-write.c index 7978807..fd7bcea 100644 --- a/hurd/fd-write.c +++ b/hurd/fd-write.c @@ -1,5 +1,5 @@ /* _hurd_fd_write -- write to a file descriptor; handles job control et al. - Copyright (C) 1993-2024 Free Software Foundation, Inc. + Copyright (C) 1993-2025 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 @@ -34,9 +34,13 @@ _hurd_fd_write (struct hurd_fd *fd, } err = HURD_FD_PORT_USE_CANCEL (fd, _hurd_ctty_output (port, ctty, writefd)); + if (err) + return err; - if (! err) - *nbytes = wrote; + if (__glibc_unlikely (wrote > *nbytes)) /* Sanity check for bogus server. */ + return EGRATUITOUS; - return err; + *nbytes = wrote; + + return 0; } |