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#!/usr/bin/env bash
set -eu
readonly DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
readonly LIBPCAP_DIR="$DIR/libpcap"
if ! [ -f "$LIBPCAP_DIR/.git" ]; then
git submodule update --init
fi
readonly PCAP_HEADER="$LIBPCAP_DIR/pcap.h"
readonly PCAP_BINDINGS="$DIR/src/bindings.rs"
if ! command -v bindgen > /dev/null 2>&1; then
echo "bindgen must be installed" >&2
echo "to install: cargo install bindgen && rustup component add rustfmt-preview" >&2
exit 1
fi
bindgen \
"$PCAP_HEADER" \
--ctypes-prefix 'libc' \
--raw-line 'extern crate libc;' \
--raw-line '#[cfg(windows)] extern crate winapi;' \
--raw-line 'pub use libc::FILE;' \
--raw-line '#[cfg(unix)] pub use libc::{sockaddr, timeval};' \
--raw-line '#[cfg(windows)] pub use winapi::shared::ws2def::SOCKADDR as sockaddr;' \
--raw-line '#[cfg(windows)] pub use winapi::um::winsock2::timeval;' \
--whitelist-function '^pcap_.*' \
--whitelist-type '^pcap_.*' \
--whitelist-var '^PCAP_.*' \
--blacklist-type 'sockaddr' \
--blacklist-type 'timeval' \
--blacklist-type '__.*' \
--blacklist-type 'FILE' \
--blacklist-type 'fpos_t' \
--distrust-clang-mangling \
--no-layout-tests \
-o "$PCAP_BINDINGS"
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