364 lines
11 KiB
Rust
364 lines
11 KiB
Rust
#![deny(warnings)]
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extern crate ctest;
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use std::env;
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fn main() {
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let target = env::var("TARGET").unwrap();
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let x86_64 = target.contains("x86_64");
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let windows = target.contains("windows");
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let mingw = target.contains("windows-gnu");
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let linux = target.contains("unknown-linux");
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let android = target.contains("android");
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let apple = target.contains("apple");
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let musl = target.contains("musl");
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let freebsd = target.contains("freebsd");
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let mips = target.contains("mips");
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let netbsd = target.contains("netbsd");
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let rumprun = target.contains("rumprun");
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let bsdlike = freebsd || apple || netbsd;
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let mut cfg = ctest::TestGenerator::new();
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// Pull in extra goodies on linux/mingw
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if linux || android {
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cfg.define("_GNU_SOURCE", None);
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} else if windows {
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cfg.define("_WIN32_WINNT", Some("0x8000"));
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}
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// Android doesn't actually have in_port_t but it's much easier if we
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// provide one for us to test against
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if android {
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cfg.define("in_port_t", Some("uint16_t"));
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}
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cfg.header("errno.h")
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.header("fcntl.h")
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.header("limits.h")
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.header("stddef.h")
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.header("stdint.h")
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.header("stdio.h")
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.header("stdlib.h")
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.header("sys/stat.h")
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.header("sys/types.h")
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.header("time.h")
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.header("wchar.h");
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if windows {
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cfg.header("winsock2.h"); // must be before windows.h
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cfg.header("direct.h");
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cfg.header("io.h");
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cfg.header("sys/utime.h");
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cfg.header("windows.h");
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cfg.header("process.h");
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cfg.header("ws2ipdef.h");
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if target.contains("gnu") {
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cfg.header("ws2tcpip.h");
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}
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} else {
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cfg.header("ctype.h");
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cfg.header("dirent.h");
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cfg.header("net/if.h");
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cfg.header("netdb.h");
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cfg.header("netinet/in.h");
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cfg.header("netinet/ip.h");
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cfg.header("netinet/tcp.h");
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cfg.header("pthread.h");
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cfg.header("dlfcn.h");
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cfg.header("signal.h");
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cfg.header("string.h");
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cfg.header("sys/file.h");
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cfg.header("sys/ioctl.h");
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cfg.header("sys/mman.h");
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cfg.header("sys/resource.h");
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cfg.header("sys/socket.h");
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cfg.header("sys/time.h");
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cfg.header("sys/un.h");
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cfg.header("sys/wait.h");
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cfg.header("unistd.h");
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cfg.header("utime.h");
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cfg.header("pwd.h");
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cfg.header("grp.h");
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cfg.header("sys/utsname.h");
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cfg.header("sys/ptrace.h");
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cfg.header("sys/mount.h");
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cfg.header("sys/uio.h");
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cfg.header("sched.h");
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cfg.header("termios.h");
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}
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if android {
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cfg.header("arpa/inet.h");
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cfg.header("time64.h");
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} else if !windows {
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cfg.header("glob.h");
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cfg.header("ifaddrs.h");
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cfg.header("sys/quota.h");
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cfg.header("sys/statvfs.h");
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if !musl {
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cfg.header("sys/sysctl.h");
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if !netbsd {
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cfg.header("execinfo.h");
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}
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}
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}
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if apple {
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cfg.header("mach-o/dyld.h");
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cfg.header("mach/mach_time.h");
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cfg.header("malloc/malloc.h");
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if target.starts_with("x86") {
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cfg.header("crt_externs.h");
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}
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}
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if bsdlike {
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cfg.header("sys/event.h");
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}
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if linux {
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cfg.header("mqueue.h");
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cfg.header("sys/signalfd.h");
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cfg.header("sys/xattr.h");
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cfg.header("sys/ipc.h");
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cfg.header("sys/shm.h");
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}
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if linux || android {
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cfg.header("malloc.h");
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cfg.header("net/ethernet.h");
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cfg.header("netpacket/packet.h");
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cfg.header("sched.h");
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cfg.header("sys/epoll.h");
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cfg.header("sys/eventfd.h");
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cfg.header("sys/prctl.h");
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cfg.header("sys/vfs.h");
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if !musl {
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cfg.header("linux/netlink.h");
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cfg.header("linux/magic.h");
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cfg.header("linux/fs.h");
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if !mips {
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cfg.header("linux/quota.h");
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}
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}
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}
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if freebsd {
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cfg.header("pthread_np.h");
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cfg.header("sched.h");
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}
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if netbsd {
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cfg.header("ufs/ufs/quota.h");
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cfg.header("ufs/ufs/quota1.h");
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cfg.header("sys/ioctl_compat.h");
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}
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cfg.type_name(move |ty, is_struct| {
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match ty {
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// Just pass all these through, no need for a "struct" prefix
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"FILE" |
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"fd_set" |
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"Dl_info" |
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"DIR" => ty.to_string(),
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// Fixup a few types on windows that don't actually exist.
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"time64_t" if windows => "__time64_t".to_string(),
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"ssize_t" if windows => "SSIZE_T".to_string(),
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// OSX calls this something else
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"sighandler_t" if bsdlike => "sig_t".to_string(),
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t if t.ends_with("_t") => t.to_string(),
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// Windows uppercase structs don't have `struct` in front, there's a
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// few special cases for windows, and then otherwise put `struct` in
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// front of everything.
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t if is_struct => {
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if windows && ty.chars().next().unwrap().is_uppercase() {
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t.to_string()
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} else if windows && t == "stat" {
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"struct __stat64".to_string()
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} else if windows && t == "utimbuf" {
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"struct __utimbuf64".to_string()
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} else {
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format!("struct {}", t)
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}
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}
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t => t.to_string(),
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}
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});
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let target2 = target.clone();
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cfg.field_name(move |struct_, field| {
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match field {
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// Our stat *_nsec fields normally don't actually exist but are part
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// of a timeval struct
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s if s.ends_with("_nsec") && struct_.starts_with("stat") => {
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if target2.contains("apple") {
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s.replace("_nsec", "spec.tv_nsec")
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} else if target2.contains("android") {
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s.to_string()
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} else {
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s.replace("e_nsec", ".tv_nsec")
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}
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}
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"u64" if struct_ == "epoll_event" => "data.u64".to_string(),
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s => s.to_string(),
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}
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});
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cfg.skip_type(move |ty| {
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match ty {
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// sighandler_t is crazy across platforms
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"sighandler_t" => true,
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_ => false
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}
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});
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cfg.skip_struct(move |ty| {
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match ty {
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"sockaddr_nl" => musl,
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// The alignment of this is 4 on 64-bit OSX...
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"kevent" if apple && x86_64 => true,
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_ => false
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}
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});
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cfg.skip_signededness(|c| {
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match c {
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"LARGE_INTEGER" |
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"mach_timebase_info_data_t" |
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"float" |
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"double" => true,
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n if n.starts_with("pthread") => true,
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// windows-isms
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n if n.starts_with("P") => true,
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n if n.starts_with("H") => true,
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n if n.starts_with("LP") => true,
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_ => false,
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}
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});
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cfg.skip_const(move |name| {
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match name {
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// Apparently these don't exist in mingw headers?
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"MEM_RESET_UNDO" |
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"FILE_ATTRIBUTE_NO_SCRUB_DATA" |
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"FILE_ATTRIBUTE_INTEGRITY_STREAM" |
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"ERROR_NOTHING_TO_TERMINATE" if mingw => true,
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"SIG_IGN" => true, // sighandler_t weirdness
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// types on musl are defined a little differently
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n if musl && n.contains("__SIZEOF_PTHREAD") => true,
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// Skip constants not defined in MUSL but just passed down to the
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// kernel regardless
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"RLIMIT_NLIMITS" |
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"TCP_COOKIE_TRANSACTIONS" |
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"RLIMIT_RTTIME" if musl => true,
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// work around super old mips toolchain
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"SCHED_IDLE" | "SHM_NORESERVE" => mips,
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// weird signed extension or something like that?
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"MS_NOUSER" => true,
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// These OSX constants are flagged as deprecated
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"NOTE_EXIT_REPARENTED" |
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"NOTE_REAP" if apple => true,
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// The linux/quota.h header file which defines these can't be
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// included with sys/quota.h currently on MIPS, so we don't include
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// it and just ignore these constants
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"QFMT_VFS_OLD" |
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"QFMT_VFS_V0" if mips && linux => true,
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_ => false,
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}
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});
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cfg.skip_fn(move |name| {
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// skip those that are manually verifiedmanually verified
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match name {
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"execv" | // crazy stuff with const/mut
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"execve" |
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"execvp" |
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"execvpe" => true,
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"getrlimit" | "getrlimit64" | // non-int in 1st arg
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"setrlimit" | "setrlimit64" | // non-int in 1st arg
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"strerror_r" if linux => true, // actually xpg-something-or-other
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// typed 2nd arg on linux and android
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"gettimeofday" if linux || android || freebsd => true,
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"dlerror" if android => true, // const-ness is added
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"dladdr" if musl => true, // const-ness only added recently
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// OSX has 'struct tm *const' which we can't actually represent in
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// Rust, but is close enough to *mut
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"timegm" if apple => true,
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// OSX's daemon is deprecated in 10.5 so we'll get a warning (which
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// we turn into an error) so just ignore it.
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"daemon" if apple => true,
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// These functions presumably exist on netbsd but don't look like
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// they're implemented on rumprun yet, just let them slide for now.
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// Some of them look like they have headers but then don't have
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// corresponding actual definitions either...
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"backtrace" |
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"pthread_main_np" |
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"pthread_set_name_np" |
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"pthread_stackseg_np" |
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"shm_open" |
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"shm_unlink" |
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"syscall" |
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"ptrace" |
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"sigaltstack" if rumprun => true,
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_ => false,
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}
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});
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// Windows dllimport oddness?
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cfg.skip_fn_ptrcheck(move |_| windows);
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cfg.skip_field_type(move |struct_, field| {
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// This is a weird union, don't check the type.
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(struct_ == "ifaddrs" && field == "ifa_ifu") ||
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// sighandler_t type is super weird
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(struct_ == "sigaction" && field == "sa_sigaction")
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});
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cfg.skip_field(move |struct_, field| {
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// this is actually a union on linux, so we can't represent it well and
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// just insert some padding.
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(struct_ == "siginfo_t" && field == "_pad") ||
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// musl names this __dummy1 but it's still there
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(musl && struct_ == "glob_t" && field == "gl_flags")
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});
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cfg.fn_cname(move |name, cname| {
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if windows || android {
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cname.unwrap_or(name).to_string()
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} else {
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name.to_string()
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}
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});
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cfg.generate("../src/lib.rs", "all.rs");
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}
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