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tests/nlattr_dcbmsg.c
63 строки
2 KB
Dmitry V. Levin
Switch to use bundled <linux/dcbnl.h>
21 фев 2021, 11:00
21 фев 2021, 11:00
da41b8c
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/* * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com> * Copyright (c) 2017-2021 The strace developers. * All rights reserved. * * SPDX-License-Identifier: GPL-2.0-or-later */ #include "tests.h" #include <stdio.h> #include "test_nlattr.h" #include <linux/dcbnl.h> #include <linux/rtnetlink.h> static void init_dcbmsg(struct nlmsghdr *const nlh, const unsigned int msg_len) { SET_STRUCT(struct nlmsghdr, nlh, .nlmsg_len = msg_len, .nlmsg_type = RTM_GETDCB, .nlmsg_flags = NLM_F_DUMP ); struct dcbmsg *const msg = NLMSG_DATA(nlh); SET_STRUCT(struct dcbmsg, msg, .dcb_family = AF_UNIX, .cmd = DCB_CMD_UNDEFINED ); } static void print_dcbmsg(const unsigned int msg_len) { printf("{nlmsg_len=%u, nlmsg_type=RTM_GETDCB, nlmsg_flags=NLM_F_DUMP" ", nlmsg_seq=0, nlmsg_pid=0}, {dcb_family=AF_UNIX" ", cmd=DCB_CMD_UNDEFINED}", msg_len); } int main(void) { skip_if_unavailable("/proc/self/fd/"); const int fd = create_nl_socket(NETLINK_ROUTE); const unsigned int hdrlen = sizeof(struct dcbmsg); void *nlh0 = midtail_alloc(NLMSG_SPACE(hdrlen), NLA_HDRLEN + 4); static char pattern[4096]; fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1); const unsigned int nla_type = 0xffff & NLA_TYPE_MASK; char nla_type_str[256]; sprintf(nla_type_str, "%#x /* DCB_ATTR_??? */", nla_type); TEST_NLATTR_(fd, nlh0, hdrlen, init_dcbmsg, print_dcbmsg, nla_type, nla_type_str, 4, pattern, 4, print_quoted_hex(pattern, 4)); puts("+++ exited with 0 +++"); return 0; }