Dmitry V. Levin
d6c71dd061
Indent the C preprocessor directives to reflect their nesting using the following script: $ cppi -l $(git grep -El '^[[:space:]]*#[[:space:]]*(if|ifdef|ifndef|elif|else|endif|define|pragma)[[:space:]]' |grep -v '\.sh$') |while read f; do cppi < "$f" > "$f".cppi; mv "$f".cppi "$f" done
56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
/*
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* Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
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* Copyright (c) 2017-2018 The strace developers.
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* All rights reserved.
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*/
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#ifndef STRACE_NETLINK_H
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# define STRACE_NETLINK_H
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# include <stdbool.h>
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# include <sys/socket.h>
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# include <linux/netlink.h>
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# ifndef NETLINK_SOCK_DIAG
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# define NETLINK_SOCK_DIAG 4
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# endif
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# ifndef NLM_F_NONREC
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# define NLM_F_NONREC 0x100
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# endif
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# ifndef NLM_F_CAPPED
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# define NLM_F_CAPPED 0x100
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# endif
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# undef NLMSG_HDRLEN
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# define NLMSG_HDRLEN ((unsigned int) NLMSG_ALIGN(sizeof(struct nlmsghdr)))
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# ifndef NLMSG_MIN_TYPE
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# define NLMSG_MIN_TYPE 0x10
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# endif
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# ifndef NLA_ALIGN
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# define NLA_ALIGN(len) (((len) + 3) & ~3)
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# endif
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# undef NLA_HDRLEN
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# define NLA_HDRLEN ((unsigned int) NLA_ALIGN(sizeof(struct nlattr)))
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# ifndef NLA_TYPE_MASK
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# define NLA_F_NESTED (1 << 15)
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# define NLA_F_NET_BYTEORDER (1 << 14)
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# define NLA_TYPE_MASK ~(NLA_F_NESTED | NLA_F_NET_BYTEORDER)
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# endif
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static inline bool
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is_nlmsg_ok(const struct nlmsghdr *const nlh, const ssize_t len)
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{
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return len >= (ssize_t) sizeof(*nlh)
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&& nlh->nlmsg_len >= sizeof(*nlh)
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&& (size_t) len >= nlh->nlmsg_len;
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}
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#endif /* !STRACE_NETLINK_H */
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