diff options
Diffstat (limited to 'REORG.TODO/sysdeps/mach/hurd/getsockopt.c')
-rw-r--r-- | REORG.TODO/sysdeps/mach/hurd/getsockopt.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/mach/hurd/getsockopt.c b/REORG.TODO/sysdeps/mach/hurd/getsockopt.c new file mode 100644 index 0000000000..9974b61ef5 --- /dev/null +++ b/REORG.TODO/sysdeps/mach/hurd/getsockopt.c @@ -0,0 +1,55 @@ +/* Copyright (C) 1992-2017 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, see + <http://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <sys/socket.h> +#include <hurd.h> +#include <hurd/fd.h> +#include <hurd/socket.h> +#include <string.h> + +/* Put the current value for socket FD's option OPTNAME at protocol level LEVEL + into OPTVAL (which is *OPTLEN bytes long), and set *OPTLEN to the value's + actual length. Returns 0 on success, -1 for errors. */ + +/* XXX should be __getsockopt ? */ +int +getsockopt (int fd, + int level, + int optname, + void *optval, + socklen_t *optlen) +{ + error_t err; + char *buf = optval; + mach_msg_type_number_t buflen = *optlen; + + if (err = HURD_DPORT_USE (fd, __socket_getopt (port, + level, optname, + &buf, &buflen))) + return __hurd_dfail (fd, err); + + if (*optlen > buflen) + *optlen = buflen; + if (buf != optval) + { + memcpy (optval, buf, *optlen); + __vm_deallocate (__mach_task_self (), (vm_address_t) buf, buflen); + } + + return 0; +} |