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libc-rs/libc-test/build.rs

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#![deny(warnings)]
extern crate cc;
extern crate ctest2 as ctest;
use std::fs::File;
use std::io::{BufRead, BufReader, BufWriter, Write};
use std::path::{Path, PathBuf};
use std::{env, io};
fn do_cc() {
let target = env::var("TARGET").unwrap();
if cfg!(unix) {
let exclude = ["redox", "wasi"];
if !exclude.iter().any(|x| target.contains(x)) {
let mut cmsg = cc::Build::new();
cmsg.file("src/cmsg.c");
if target.contains("solaris") || target.contains("illumos") {
cmsg.define("_XOPEN_SOURCE", "700");
}
cmsg.compile("cmsg");
}
}
if target.contains("android") || target.contains("linux") {
cc::Build::new().file("src/errqueue.c").compile("errqueue");
}
}
fn do_ctest() {
match &env::var("TARGET").unwrap() {
t if t.contains("android") => return test_android(t),
t if t.contains("apple") => return test_apple(t),
t if t.contains("dragonfly") => return test_dragonflybsd(t),
t if t.contains("emscripten") => return test_emscripten(t),
t if t.contains("freebsd") => return test_freebsd(t),
t if t.contains("haiku") => return test_haiku(t),
t if t.contains("linux") => return test_linux(t),
t if t.contains("netbsd") => return test_netbsd(t),
t if t.contains("openbsd") => return test_openbsd(t),
t if t.contains("redox") => return test_redox(t),
t if t.contains("solaris") => return test_solarish(t),
t if t.contains("illumos") => return test_solarish(t),
t if t.contains("wasi") => return test_wasi(t),
t if t.contains("windows") => return test_windows(t),
t if t.contains("vxworks") => return test_vxworks(t),
t => panic!("unknown target {}", t),
}
}
fn ctest_cfg() -> ctest::TestGenerator {
let mut cfg = ctest::TestGenerator::new();
let libc_cfgs = [
"libc_priv_mod_use",
"libc_union",
"libc_const_size_of",
"libc_align",
"libc_core_cvoid",
"libc_packedN",
"libc_thread_local",
];
for f in &libc_cfgs {
cfg.cfg(f, None);
}
cfg
}
fn do_semver() {
let mut out = PathBuf::from(env::var("OUT_DIR").unwrap());
out.push("semver.rs");
let mut output = BufWriter::new(File::create(&out).unwrap());
let family = env::var("CARGO_CFG_TARGET_FAMILY").unwrap();
let vendor = env::var("CARGO_CFG_TARGET_VENDOR").unwrap();
let os = env::var("CARGO_CFG_TARGET_OS").unwrap();
let arch = env::var("CARGO_CFG_TARGET_ARCH").unwrap();
let target_env = env::var("CARGO_CFG_TARGET_ENV").unwrap();
// `libc-test/semver` dir.
let mut semver_root = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap());
semver_root.push("semver");
// NOTE: Windows has the same `family` as `os`, no point in including it
// twice.
// NOTE: Android doesn't include the unix file (or the Linux file) because
// there are some many definitions missing it's actually easier just to
// maintain a file for Android.
if family != os && os != "android" {
process_semver_file(&mut output, &mut semver_root, &family);
}
process_semver_file(&mut output, &mut semver_root, &vendor);
process_semver_file(&mut output, &mut semver_root, &os);
let os_arch = format!("{}-{}", os, arch);
process_semver_file(&mut output, &mut semver_root, &os_arch);
if target_env != "" {
let os_env = format!("{}-{}", os, target_env);
process_semver_file(&mut output, &mut semver_root, &os_env);
let os_env_arch = format!("{}-{}-{}", os, target_env, arch);
process_semver_file(&mut output, &mut semver_root, &os_env_arch);
}
}
fn process_semver_file<W: Write, P: AsRef<Path>>(output: &mut W, path: &mut PathBuf, file: P) {
// NOTE: `path` is reused between calls, so always remove the file again.
path.push(file);
path.set_extension("txt");
println!("cargo:rerun-if-changed={}", path.display());
let input_file = match File::open(&*path) {
Ok(file) => file,
Err(ref err) if err.kind() == io::ErrorKind::NotFound => {
path.pop();
return;
}
Err(err) => panic!("unexpected error opening file: {}", err),
};
let input = BufReader::new(input_file);
write!(output, "// Source: {}.\n", path.display()).unwrap();
output.write(b"use libc::{\n").unwrap();
for line in input.lines() {
let line = line.unwrap().into_bytes();
match line.first() {
// Ignore comments and empty lines.
Some(b'#') | None => continue,
_ => {
output.write(b" ").unwrap();
output.write(&line).unwrap();
output.write(b",\n").unwrap();
}
}
}
output.write(b"};\n\n").unwrap();
path.pop();
}
fn main() {
do_cc();
do_ctest();
do_semver();
}
macro_rules! headers {
($cfg:ident: [$m:expr]: $header:literal) => {
if $m {
$cfg.header($header);
}
};
($cfg:ident: $header:literal) => {
$cfg.header($header);
};
($($cfg:ident: $([$c:expr]:)* $header:literal,)*) => {
$(headers!($cfg: $([$c]:)* $header);)*
};
($cfg:ident: $( $([$c:expr]:)* $header:literal,)*) => {
headers!($($cfg: $([$c]:)* $header,)*);
};
($cfg:ident: $( $([$c:expr]:)* $header:literal),*) => {
headers!($($cfg: $([$c]:)* $header,)*);
};
}
fn test_apple(target: &str) {
assert!(target.contains("apple"));
let x86_64 = target.contains("x86_64");
let i686 = target.contains("i686");
let mut cfg = ctest_cfg();
cfg.flag("-Wno-deprecated-declarations");
cfg.define("__APPLE_USE_RFC_3542", None);
headers! { cfg:
"aio.h",
"ctype.h",
"dirent.h",
"dlfcn.h",
"errno.h",
"execinfo.h",
"fcntl.h",
"glob.h",
"grp.h",
"iconv.h",
"ifaddrs.h",
"langinfo.h",
"limits.h",
"locale.h",
"mach-o/dyld.h",
"mach/mach_time.h",
"malloc/malloc.h",
"net/bpf.h",
"net/if.h",
"net/if_arp.h",
"net/if_dl.h",
"net/if_utun.h",
"net/route.h",
"net/route.h",
"netdb.h",
"netinet/if_ether.h",
"netinet/in.h",
"netinet/in.h",
"netinet/ip.h",
"netinet/tcp.h",
"netinet/udp.h",
"poll.h",
"pthread.h",
"pwd.h",
"regex.h",
"resolv.h",
"sched.h",
"semaphore.h",
"signal.h",
"spawn.h",
"stddef.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"string.h",
"sys/attr.h",
"sys/clonefile.h",
"sys/event.h",
"sys/file.h",
"sys/ioctl.h",
"sys/ipc.h",
"sys/kern_control.h",
"sys/mman.h",
"sys/mount.h",
"sys/proc_info.h",
"sys/ptrace.h",
"sys/quota.h",
"sys/resource.h",
"sys/sem.h",
"sys/shm.h",
"sys/socket.h",
"sys/stat.h",
"sys/statvfs.h",
"sys/sys_domain.h",
"sys/sysctl.h",
"sys/time.h",
"sys/times.h",
"sys/timex.h",
"sys/types.h",
"sys/uio.h",
"sys/un.h",
"sys/utsname.h",
"sys/wait.h",
"sys/xattr.h",
"syslog.h",
"termios.h",
"time.h",
"unistd.h",
"util.h",
"utime.h",
"utmpx.h",
"wchar.h",
"xlocale.h",
[x86_64]: "crt_externs.h",
}
cfg.skip_struct(move |ty| {
match ty {
// FIXME: actually a union
"sigval" => true,
_ => false,
}
});
cfg.skip_const(move |name| {
match name {
// These OSX constants are removed in Sierra.
// https://developer.apple.com/library/content/releasenotes/General/APIDiffsMacOS10_12/Swift/Darwin.html
"KERN_KDENABLE_BG_TRACE" | "KERN_KDDISABLE_BG_TRACE" => true,
// FIXME: the value has been changed since Catalina (0xffff0000 -> 0x3fff0000).
"SF_SETTABLE" => true,
// FIXME: the value has been changed since Catalina (VM_FLAGS_RESILIENT_MEDIA is also contained now).
"VM_FLAGS_USER_REMAP" => true,
// FIXME: the values have been changed since Big Sur
"HW_TARGET" | "HW_PRODUCT" | "HW_MAXID" => true,
_ => false,
}
});
cfg.skip_fn(move |name| {
// skip those that are manually verified
match name {
// FIXME: https://github.com/rust-lang/libc/issues/1272
"execv" | "execve" | "execvp" => true,
// close calls the close_nocancel system call
"close" => true,
// these calls require macOS 11.0 or higher
"preadv" | "pwritev" => true,
_ => false,
}
});
cfg.skip_field(move |struct_, field| {
match (struct_, field) {
// FIXME: the array size has been changed since macOS 10.15 ([8] -> [7]).
("statfs", "f_reserved") => true,
("__darwin_arm_neon_state64", "__v") => true,
_ => false,
}
});
cfg.skip_field_type(move |struct_, field| {
match (struct_, field) {
// FIXME: actually a union
("sigevent", "sigev_value") => true,
_ => false,
}
});
cfg.volatile_item(|i| {
use ctest::VolatileItemKind::*;
match i {
StructField(ref n, ref f) if n == "aiocb" && f == "aio_buf" => true,
_ => false,
}
});
cfg.type_name(move |ty, is_struct, is_union| {
match ty {
// Just pass all these through, no need for a "struct" prefix
"FILE" | "DIR" | "Dl_info" => ty.to_string(),
// OSX calls this something else
"sighandler_t" => "sig_t".to_string(),
t if is_union => format!("union {}", t),
t if t.ends_with("_t") => t.to_string(),
t if is_struct => format!("struct {}", t),
t => t.to_string(),
}
});
cfg.field_name(move |struct_, field| {
match field {
s if s.ends_with("_nsec") && struct_.starts_with("stat") => {
s.replace("e_nsec", "espec.tv_nsec")
}
// FIXME: sigaction actually contains a union with two variants:
// a sa_sigaction with type: (*)(int, struct __siginfo *, void *)
// a sa_handler with type sig_t
"sa_sigaction" if struct_ == "sigaction" => "sa_handler".to_string(),
s => s.to_string(),
}
});
cfg.skip_roundtrip(move |s| match s {
// FIXME: this type has the wrong ABI
"max_align_t" if i686 => true,
_ => false,
});
cfg.generate("../src/lib.rs", "main.rs");
}
fn test_openbsd(target: &str) {
assert!(target.contains("openbsd"));
let mut cfg = ctest_cfg();
cfg.flag("-Wno-deprecated-declarations");
headers! { cfg:
"elf.h",
"errno.h",
"fcntl.h",
"limits.h",
"link.h",
"locale.h",
"stddef.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"sys/stat.h",
"sys/types.h",
"time.h",
"wchar.h",
"ctype.h",
"dirent.h",
"sys/socket.h",
"net/if.h",
"net/route.h",
"net/if_arp.h",
"netdb.h",
"netinet/in.h",
"netinet/ip.h",
"netinet/tcp.h",
"netinet/udp.h",
"net/bpf.h",
"regex.h",
"resolv.h",
"pthread.h",
"dlfcn.h",
"signal.h",
"string.h",
"sys/file.h",
"sys/ioctl.h",
"sys/mman.h",
"sys/resource.h",
"sys/socket.h",
"sys/time.h",
"sys/un.h",
"sys/wait.h",
"unistd.h",
"utime.h",
"pwd.h",
"grp.h",
"sys/utsname.h",
"sys/ptrace.h",
"sys/mount.h",
"sys/uio.h",
"sched.h",
"termios.h",
"poll.h",
"syslog.h",
"semaphore.h",
"sys/statvfs.h",
"sys/times.h",
"glob.h",
"ifaddrs.h",
"langinfo.h",
"sys/sysctl.h",
"utmp.h",
"sys/event.h",
"net/if_dl.h",
"util.h",
"ufs/ufs/quota.h",
"pthread_np.h",
"sys/syscall.h",
"sys/shm.h",
}
cfg.skip_struct(move |ty| {
match ty {
// FIXME: actually a union
"sigval" => true,
_ => false,
}
});
cfg.skip_const(move |name| {
match name {
// Removed in OpenBSD 6.0
"KERN_USERMOUNT" | "KERN_ARND" => true,
_ => false,
}
});
cfg.skip_fn(move |name| {
match name {
// FIXME: https://github.com/rust-lang/libc/issues/1272
"execv" | "execve" | "execvp" | "execvpe" => true,
// Removed in OpenBSD 6.5
// https://marc.info/?l=openbsd-cvs&m=154723400730318
"mincore" => true,
_ => false,
}
});
cfg.type_name(move |ty, is_struct, is_union| {
match ty {
// Just pass all these through, no need for a "struct" prefix
"FILE" | "DIR" | "Dl_info" | "Elf32_Phdr" | "Elf64_Phdr" => ty.to_string(),
// OSX calls this something else
"sighandler_t" => "sig_t".to_string(),
t if is_union => format!("union {}", t),
t if t.ends_with("_t") => t.to_string(),
t if is_struct => format!("struct {}", t),
t => t.to_string(),
}
});
cfg.field_name(move |struct_, field| match field {
"st_birthtime" if struct_.starts_with("stat") => "__st_birthtime".to_string(),
"st_birthtime_nsec" if struct_.starts_with("stat") => "__st_birthtimensec".to_string(),
s if s.ends_with("_nsec") && struct_.starts_with("stat") => s.replace("e_nsec", ".tv_nsec"),
"sa_sigaction" if struct_ == "sigaction" => "sa_handler".to_string(),
s => s.to_string(),
});
cfg.skip_field_type(move |struct_, field| {
// type siginfo_t.si_addr changed from OpenBSD 6.0 to 6.1
struct_ == "siginfo_t" && field == "si_addr"
});
cfg.skip_field(|struct_, field| {
match (struct_, field) {
// conflicting with `p_type` macro from <resolve.h>.
("Elf32_Phdr", "p_type") => true,
("Elf64_Phdr", "p_type") => true,
_ => false,
}
});
cfg.generate("../src/lib.rs", "main.rs");
}
fn test_windows(target: &str) {
assert!(target.contains("windows"));
let gnu = target.contains("gnu");
let mut cfg = ctest_cfg();
cfg.define("_WIN32_WINNT", Some("0x8000"));
headers! { cfg:
"direct.h",
"errno.h",
"fcntl.h",
"io.h",
"limits.h",
"locale.h",
"process.h",
"signal.h",
"stddef.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"sys/stat.h",
"sys/types.h",
"sys/utime.h",
"time.h",
"wchar.h",
[gnu]: "ws2tcpip.h",
[!gnu]: "Winsock2.h",
}
cfg.type_name(move |ty, is_struct, is_union| {
match ty {
// Just pass all these through, no need for a "struct" prefix
"FILE" | "DIR" | "Dl_info" => ty.to_string(),
// FIXME: these don't exist:
"time64_t" => "__time64_t".to_string(),
"ssize_t" => "SSIZE_T".to_string(),
"sighandler_t" if !gnu => "_crt_signal_t".to_string(),
"sighandler_t" if gnu => "__p_sig_fn_t".to_string(),
t if is_union => format!("union {}", t),
t if t.ends_with("_t") => t.to_string(),
// Windows uppercase structs don't have `struct` in front:
t if is_struct => {
if ty.clone().chars().next().unwrap().is_uppercase() {
t.to_string()
} else if t == "stat" {
"struct __stat64".to_string()
} else if t == "utimbuf" {
"struct __utimbuf64".to_string()
} else {
// put `struct` in front of all structs:
format!("struct {}", t)
}
}
t => t.to_string(),
}
});
cfg.fn_cname(move |name, cname| cname.unwrap_or(name).to_string());
cfg.skip_type(move |name| match name {
"SSIZE_T" if !gnu => true,
"ssize_t" if !gnu => true,
_ => false,
});
cfg.skip_const(move |name| {
match name {
// FIXME: API error:
// SIG_ERR type is "void (*)(int)", not "int"
"SIG_ERR" => true,
_ => false,
}
});
// FIXME: All functions point to the wrong addresses?
cfg.skip_fn_ptrcheck(|_| true);
cfg.skip_signededness(move |c| {
match c {
// windows-isms
n if n.starts_with("P") => true,
n if n.starts_with("H") => true,
n if n.starts_with("LP") => true,
"sighandler_t" if gnu => true,
_ => false,
}
});
cfg.skip_fn(move |name| {
match name {
// FIXME: https://github.com/rust-lang/libc/issues/1272
"execv" | "execve" | "execvp" | "execvpe" => true,
_ => false,
}
});
cfg.generate("../src/lib.rs", "main.rs");
}
fn test_redox(target: &str) {
assert!(target.contains("redox"));
let mut cfg = ctest_cfg();
cfg.flag("-Wno-deprecated-declarations");
headers! {
cfg:
"ctype.h",
"dirent.h",
"dlfcn.h",
"errno.h",
"fcntl.h",
"grp.h",
"limits.h",
"locale.h",
"netdb.h",
"netinet/in.h",
"netinet/ip.h",
"netinet/tcp.h",
"poll.h",
"pwd.h",
"semaphore.h",
"string.h",
"strings.h",
"sys/file.h",
"sys/ioctl.h",
"sys/mman.h",
"sys/ptrace.h",
"sys/resource.h",
"sys/socket.h",
"sys/stat.h",
"sys/statvfs.h",
"sys/time.h",
"sys/types.h",
"sys/uio.h",
"sys/un.h",
"sys/utsname.h",
"sys/wait.h",
"termios.h",
"time.h",
"unistd.h",
"utime.h",
"wchar.h",
}
cfg.generate("../src/lib.rs", "main.rs");
}
fn test_solarish(target: &str) {
let is_solaris = target.contains("solaris");
let is_illumos = target.contains("illumos");
assert!(is_solaris || is_illumos);
// ctest generates arguments supported only by clang, so make sure to run with CC=clang.
// While debugging, "CFLAGS=-ferror-limit=<large num>" is useful to get more error output.
let mut cfg = ctest_cfg();
cfg.flag("-Wno-deprecated-declarations");
cfg.define("_XOPEN_SOURCE", Some("700"));
cfg.define("__EXTENSIONS__", None);
cfg.define("_LCONV_C99", None);
headers! {
cfg:
"ctype.h",
"dirent.h",
"dlfcn.h",
"door.h",
"errno.h",
"execinfo.h",
"fcntl.h",
"glob.h",
"grp.h",
"ifaddrs.h",
"langinfo.h",
"limits.h",
"locale.h",
"mqueue.h",
"net/if.h",
"net/if_arp.h",
"net/route.h",
"netdb.h",
"netinet/in.h",
"netinet/ip.h",
"netinet/tcp.h",
"netinet/udp.h",
"poll.h",
"port.h",
"pthread.h",
"pwd.h",
"resolv.h",
"sched.h",
"semaphore.h",
"signal.h",
"stddef.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"string.h",
"sys/epoll.h",
"sys/eventfd.h",
"sys/file.h",
"sys/filio.h",
"sys/ioctl.h",
"sys/loadavg.h",
"sys/mman.h",
"sys/mount.h",
"sys/resource.h",
"sys/socket.h",
"sys/stat.h",
"sys/statvfs.h",
"sys/stropts.h",
"sys/shm.h",
"sys/time.h",
"sys/times.h",
"sys/timex.h",
"sys/types.h",
"sys/uio.h",
"sys/un.h",
"sys/utsname.h",
"sys/wait.h",
"syslog.h",
"termios.h",
"time.h",
"ucontext.h",
"unistd.h",
"utime.h",
"utmpx.h",
"wchar.h",
}
cfg.skip_type(move |ty| {
match ty {
// sighandler_t is not present here
"sighandler_t" => true,
_ => false,
}
});
cfg.type_name(move |ty, is_struct, is_union| match ty {
"FILE" => "__FILE".to_string(),
"DIR" | "Dl_info" => ty.to_string(),
t if t.ends_with("_t") => t.to_string(),
t if is_struct => format!("struct {}", t),
t if is_union => format!("union {}", t),
t => t.to_string(),
});
cfg.field_name(move |struct_, field| {
match struct_ {
// rust struct uses raw u64, rather than union
"epoll_event" if field == "u64" => "data.u64".to_string(),
// rust struct was committed with typo for Solaris
"door_arg_t" if field == "dec_num" => "desc_num".to_string(),
"stat" if field.ends_with("_nsec") => {
// expose stat.Xtim.tv_nsec fields
field.trim_end_matches("e_nsec").to_string() + ".tv_nsec"
}
_ => field.to_string(),
}
});
cfg.skip_const(move |name| match name {
"DT_FIFO" | "DT_CHR" | "DT_DIR" | "DT_BLK" | "DT_REG" | "DT_LNK" | "DT_SOCK"
| "USRQUOTA" | "GRPQUOTA" | "PRIO_MIN" | "PRIO_MAX" => true,
// skip sighandler_t assignments
"SIG_DFL" | "SIG_ERR" | "SIG_IGN" => true,
"DT_UNKNOWN" => true,
"_UTX_LINESIZE" | "_UTX_USERSIZE" | "_UTX_PADSIZE" | "_UTX_IDSIZE" | "_UTX_HOSTSIZE" => {
true
}
"EADI" | "EXTPROC" | "IPC_SEAT" => true,
// This evaluates to a sysconf() call rather than a constant
"PTHREAD_STACK_MIN" => true,
// EPOLLEXCLUSIVE is a relatively recent addition to the epoll interface and may not be
// defined on older systems. It is, however, safe to use on systems which do not
// explicitly support it. (A no-op is an acceptable implementation of EPOLLEXCLUSIVE.)
"EPOLLEXCLUSIVE" => true,
_ => false,
});
cfg.skip_struct(move |ty| {
// the union handling is a mess
if ty.contains("door_desc_t_") {
return true;
}
match ty {
// union, not a struct
"sigval" => true,
// a bunch of solaris-only fields
"utmpx" if is_illumos => true,
_ => false,
}
});
cfg.skip_field(move |s, field| {
match s {
// C99 sizing on this is tough
"dirent" if field == "d_name" => true,
// the union/macro makes this rough
"sigaction" if field == "sa_sigaction" => true,
// Missing in illumos
"sigevent" if field == "ss_sp" => true,
// Avoid sigval union issues
"sigevent" if field == "sigev_value" => true,
// const issues
"sigevent" if field == "sigev_notify_attributes" => true,
// Avoid const and union issues
"door_arg" if field == "desc_ptr" => true,
"door_desc_t" if field == "d_data" => true,
"door_arg_t" if field.ends_with("_ptr") => true,
"door_arg_t" if field.ends_with("rbuf") => true,
_ => false,
}
});
cfg.skip_fn(move |name| {
// skip those that are manually verified
match name {
// const-ness only added recently
"dladdr" => true,
// Definition of those functions as changed since unified headers
// from NDK r14b These changes imply some API breaking changes but
// are still ABI compatible. We can wait for the next major release
// to be compliant with the new API.
//
// FIXME: unskip these for next major release
"setpriority" | "personality" => true,
// signal is defined in terms of sighandler_t, so ignore
"signal" => true,
// Currently missing
"cfmakeraw" | "cfsetspeed" => true,
// const-ness issues
"execv" | "execve" | "execvp" | "settimeofday" | "sethostname" => true,
// Solaris-different
"getpwent_r" | "getgrent_r" | "updwtmpx" if is_illumos => true,
"madvise" | "mprotect" if is_illumos => true,
"door_call" | "door_return" | "door_create" if is_illumos => true,
// These functions may return int or void depending on the exact
// configuration of the compilation environment, but the return
// value is not useful (always 0) so we can ignore it:
"setservent" | "endservent" if is_illumos => true,
_ => false,
}
});
cfg.generate("../src/lib.rs", "main.rs");
}
fn test_netbsd(target: &str) {
assert!(target.contains("netbsd"));
let rumprun = target.contains("rumprun");
let mut cfg = ctest_cfg();
cfg.flag("-Wno-deprecated-declarations");
cfg.define("_NETBSD_SOURCE", Some("1"));
headers! {
cfg:
"elf.h",
"errno.h",
"fcntl.h",
"limits.h",
"link.h",
"locale.h",
"stddef.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"sys/stat.h",
"sys/types.h",
"time.h",
"wchar.h",
"aio.h",
"ctype.h",
"dirent.h",
"dlfcn.h",
"glob.h",
"grp.h",
"ifaddrs.h",
"langinfo.h",
"net/if.h",
"net/if_arp.h",
"net/if_dl.h",
"net/route.h",
"netdb.h",
"netinet/in.h",
"netinet/ip.h",
"netinet/tcp.h",
"netinet/udp.h",
"poll.h",
"pthread.h",
"pwd.h",
"regex.h",
"resolv.h",
"sched.h",
"semaphore.h",
"signal.h",
"string.h",
"sys/extattr.h",
"sys/file.h",
"sys/ioctl.h",
"sys/ioctl_compat.h",
"sys/mman.h",
"sys/mount.h",
"sys/ptrace.h",
"sys/resource.h",
"sys/socket.h",
"sys/statvfs.h",
"sys/sysctl.h",
"sys/time.h",
"sys/times.h",
"sys/timex.h",
"sys/uio.h",
"sys/un.h",
"sys/utsname.h",
"sys/wait.h",
"syslog.h",
"termios.h",
"ufs/ufs/quota.h",
"ufs/ufs/quota1.h",
"unistd.h",
"util.h",
"utime.h",
"mqueue.h",
"netinet/dccp.h",
"sys/event.h",
"sys/quota.h",
"sys/shm.h",
"iconv.h",
}
cfg.type_name(move |ty, is_struct, is_union| {
match ty {
// Just pass all these through, no need for a "struct" prefix
"FILE" | "fd_set" | "Dl_info" | "DIR" | "Elf32_Phdr" | "Elf64_Phdr" | "Elf32_Shdr"
| "Elf64_Shdr" | "Elf32_Sym" | "Elf64_Sym" | "Elf32_Ehdr" | "Elf64_Ehdr"
| "Elf32_Chdr" | "Elf64_Chdr" => ty.to_string(),
// OSX calls this something else
"sighandler_t" => "sig_t".to_string(),
t if is_union => format!("union {}", t),
t if t.ends_with("_t") => t.to_string(),
// put `struct` in front of all structs:.
t if is_struct => format!("struct {}", t),
t => t.to_string(),
}
});
cfg.field_name(move |struct_, field| {
match field {
// Our stat *_nsec fields normally don't actually exist but are part
// of a timeval struct
s if s.ends_with("_nsec") && struct_.starts_with("stat") => {
s.replace("e_nsec", ".tv_nsec")
}
"u64" if struct_ == "epoll_event" => "data.u64".to_string(),
s => s.to_string(),
}
});
cfg.skip_type(move |ty| {
match ty {
// FIXME: sighandler_t is crazy across platforms
"sighandler_t" => true,
_ => false,
}
});
cfg.skip_struct(move |ty| {
match ty {
// This is actually a union, not a struct
"sigval" => true,
// These are tested as part of the linux_fcntl tests since there are
// header conflicts when including them with all the other structs.
"termios2" => true,
_ => false,
}
});
cfg.skip_signededness(move |c| {
match c {
"LARGE_INTEGER" | "float" | "double" => true,
n if n.starts_with("pthread") => true,
// sem_t is a struct or pointer
"sem_t" => true,
_ => false,
}
});
cfg.skip_const(move |name| {
match name {
"SIG_DFL" | "SIG_ERR" | "SIG_IGN" => true, // sighandler_t weirdness
"SIGUNUSED" => true, // removed in glibc 2.26
// weird signed extension or something like that?
"MS_NOUSER" => true,
"MS_RMT_MASK" => true, // updated in glibc 2.22 and musl 1.1.13
"BOTHER" => true,
_ => false,
}
});
cfg.skip_fn(move |name| {
match name {
// FIXME: https://github.com/rust-lang/libc/issues/1272
"execv" | "execve" | "execvp" => true,
"getrlimit" | "getrlimit64" | // non-int in 1st arg
"setrlimit" | "setrlimit64" | // non-int in 1st arg
"prlimit" | "prlimit64" | // non-int in 2nd arg
// These functions presumably exist on netbsd but don't look like
// they're implemented on rumprun yet, just let them slide for now.
// Some of them look like they have headers but then don't have
// corresponding actual definitions either...
"shm_open" |
"shm_unlink" |
"syscall" |
"mq_open" |
"mq_close" |
"mq_getattr" |
"mq_notify" |
"mq_receive" |
"mq_send" |
"mq_setattr" |
"mq_timedreceive" |
"mq_timedsend" |
"mq_unlink" |
"ptrace" |
"sigaltstack" if rumprun => true,
_ => false,
}
});
cfg.skip_field_type(move |struct_, field| {
// This is a weird union, don't check the type.
(struct_ == "ifaddrs" && field == "ifa_ifu") ||
// sighandler_t type is super weird
(struct_ == "sigaction" && field == "sa_sigaction") ||
// sigval is actually a union, but we pretend it's a struct
(struct_ == "sigevent" && field == "sigev_value") ||
// aio_buf is "volatile void*" and Rust doesn't understand volatile
(struct_ == "aiocb" && field == "aio_buf")
});
cfg.skip_field(|struct_, field| {
match (struct_, field) {
// conflicting with `p_type` macro from <resolve.h>.
("Elf32_Phdr", "p_type") => true,
("Elf64_Phdr", "p_type") => true,
_ => false,
}
});
cfg.generate("../src/lib.rs", "main.rs");
}
fn test_dragonflybsd(target: &str) {
assert!(target.contains("dragonfly"));
let mut cfg = ctest_cfg();
cfg.flag("-Wno-deprecated-declarations");
headers! {
cfg:
"aio.h",
"ctype.h",
"dirent.h",
"dlfcn.h",
"errno.h",
"execinfo.h",
"fcntl.h",
"glob.h",
"grp.h",
"ifaddrs.h",
"langinfo.h",
"limits.h",
"locale.h",
"mqueue.h",
"net/if.h",
"net/if_arp.h",
"net/if_dl.h",
"net/route.h",
"netdb.h",
"netinet/in.h",
"netinet/ip.h",
"netinet/tcp.h",
"netinet/udp.h",
"poll.h",
"pthread.h",
"pthread_np.h",
"pwd.h",
"regex.h",
"resolv.h",
"sched.h",
"semaphore.h",
"signal.h",
"stddef.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"string.h",
"sys/event.h",
"sys/file.h",
"sys/ioctl.h",
"sys/mman.h",
"sys/mount.h",
"sys/ptrace.h",
"sys/resource.h",
"sys/rtprio.h",
"sys/socket.h",
"sys/stat.h",
"sys/statvfs.h",
"sys/sysctl.h",
"sys/time.h",
"sys/times.h",
"sys/types.h",
"sys/uio.h",
"sys/un.h",
"sys/utsname.h",
"sys/wait.h",
"syslog.h",
"termios.h",
"time.h",
"ufs/ufs/quota.h",
"unistd.h",
"util.h",
"utime.h",
"utmpx.h",
"wchar.h",
"iconv.h",
}
cfg.type_name(move |ty, is_struct, is_union| {
match ty {
// Just pass all these through, no need for a "struct" prefix
"FILE" | "fd_set" | "Dl_info" | "DIR" | "Elf32_Phdr" | "Elf64_Phdr" | "Elf32_Shdr"
| "Elf64_Shdr" | "Elf32_Sym" | "Elf64_Sym" | "Elf32_Ehdr" | "Elf64_Ehdr"
| "Elf32_Chdr" | "Elf64_Chdr" => ty.to_string(),
// FIXME: OSX calls this something else
"sighandler_t" => "sig_t".to_string(),
t if is_union => format!("union {}", t),
t if t.ends_with("_t") => t.to_string(),
// put `struct` in front of all structs:.
t if is_struct => format!("struct {}", t),
t => t.to_string(),
}
});
cfg.field_name(move |struct_, field| {
match field {
// Our stat *_nsec fields normally don't actually exist but are part
// of a timeval struct
s if s.ends_with("_nsec") && struct_.starts_with("stat") => {
s.replace("e_nsec", ".tv_nsec")
}
"u64" if struct_ == "epoll_event" => "data.u64".to_string(),
// Field is named `type` in C but that is a Rust keyword,
// so these fields are translated to `type_` in the bindings.
"type_" if struct_ == "rtprio" => "type".to_string(),
s => s.to_string(),
}
});
cfg.skip_type(move |ty| {
match ty {
// sighandler_t is crazy across platforms
"sighandler_t" => true,
_ => false,
}
});
cfg.skip_struct(move |ty| {
match ty {
// This is actually a union, not a struct
"sigval" => true,
// FIXME: These are tested as part of the linux_fcntl tests since
// there are header conflicts when including them with all the other
// structs.
"termios2" => true,
_ => false,
}
});
cfg.skip_signededness(move |c| {
match c {
"LARGE_INTEGER" | "float" | "double" => true,
// uuid_t is a struct, not an integer.
"uuid_t" => true,
n if n.starts_with("pthread") => true,
// sem_t is a struct or pointer
"sem_t" => true,
// mqd_t is a pointer on DragonFly
"mqd_t" => true,
_ => false,
}
});
cfg.skip_const(move |name| {
match name {
"SIG_DFL" | "SIG_ERR" | "SIG_IGN" => true, // sighandler_t weirdness
// weird signed extension or something like that?
"MS_NOUSER" => true,
"MS_RMT_MASK" => true, // updated in glibc 2.22 and musl 1.1.13
// These are defined for Solaris 11, but the crate is tested on
// illumos, where they are currently not defined
"EADI" | "PORT_SOURCE_POSTWAIT" | "PORT_SOURCE_SIGNAL" | "PTHREAD_STACK_MIN" => true,
_ => false,
}
});
cfg.skip_fn(move |name| {
// skip those that are manually verified
match name {
// FIXME: https://github.com/rust-lang/libc/issues/1272
"execv" | "execve" | "execvp" => true,
"getrlimit" | "getrlimit64" | // non-int in 1st arg
"setrlimit" | "setrlimit64" | // non-int in 1st arg
"prlimit" | "prlimit64" // non-int in 2nd arg
=> true,
_ => false,
}
});
cfg.skip_field_type(move |struct_, field| {
// This is a weird union, don't check the type.
(struct_ == "ifaddrs" && field == "ifa_ifu") ||
// sighandler_t type is super weird
(struct_ == "sigaction" && field == "sa_sigaction") ||
// sigval is actually a union, but we pretend it's a struct
(struct_ == "sigevent" && field == "sigev_value") ||
// aio_buf is "volatile void*" and Rust doesn't understand volatile
(struct_ == "aiocb" && field == "aio_buf")
});
cfg.skip_field(move |struct_, field| {
// this is actually a union on linux, so we can't represent it well and
// just insert some padding.
(struct_ == "siginfo_t" && field == "_pad") ||
// sigev_notify_thread_id is actually part of a sigev_un union
(struct_ == "sigevent" && field == "sigev_notify_thread_id")
});
cfg.generate("../src/lib.rs", "main.rs");
}
fn test_wasi(target: &str) {
assert!(target.contains("wasi"));
let mut cfg = ctest_cfg();
cfg.define("_GNU_SOURCE", None);
headers! { cfg:
"ctype.h",
"dirent.h",
"errno.h",
"fcntl.h",
"limits.h",
"locale.h",
"malloc.h",
"poll.h",
"sched.h",
"stdbool.h",
"stddef.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"string.h",
"sys/resource.h",
"sys/select.h",
"sys/socket.h",
"sys/stat.h",
"sys/times.h",
"sys/types.h",
"sys/uio.h",
"sys/utsname.h",
"sys/ioctl.h",
"time.h",
"unistd.h",
"wasi/api.h",
"wasi/libc.h",
"wasi/libc-find-relpath.h",
"wasi/libc-nocwd.h",
"wchar.h",
}
cfg.type_name(move |ty, is_struct, is_union| match ty {
"FILE" | "fd_set" | "DIR" => ty.to_string(),
t if is_union => format!("union {}", t),
t if t.starts_with("__wasi") && t.ends_with("_u") => {
format!("union {}", t)
}
t if t.starts_with("__wasi") && is_struct => format!("struct {}", t),
t if t.ends_with("_t") => t.to_string(),
t if is_struct => format!("struct {}", t),
t => t.to_string(),
});
cfg.field_name(move |_struct, field| {
match field {
// deal with fields as rust keywords
"type_" => "type".to_string(),
s => s.to_string(),
}
});
// Looks like LLD doesn't merge duplicate imports, so if the Rust
// code imports from a module and the C code also imports from a
// module we end up with two imports of function pointers which
// import the same thing but have different function pointers
cfg.skip_fn_ptrcheck(|f| f.starts_with("__wasi"));
// d_name is declared as a flexible array in WASI libc, so it
// doesn't support sizeof.
cfg.skip_field(|s, field| s == "dirent" && field == "d_name");
// Currently Rust/clang disagree on function argument ABI, so skip these
// tests. For more info see WebAssembly/tool-conventions#88
cfg.skip_roundtrip(|_| true);
cfg.generate("../src/lib.rs", "main.rs");
}
fn test_android(target: &str) {
assert!(target.contains("android"));
let target_pointer_width = match target {
t if t.contains("aarch64") || t.contains("x86_64") => 64,
t if t.contains("i686") || t.contains("arm") => 32,
t => panic!("unsupported target: {}", t),
};
let x86 = target.contains("i686") || target.contains("x86_64");
let mut cfg = ctest_cfg();
cfg.define("_GNU_SOURCE", None);
headers! { cfg:
"arpa/inet.h",
"ctype.h",
"dirent.h",
"dlfcn.h",
"elf.h",
"errno.h",
"fcntl.h",
"grp.h",
"ifaddrs.h",
"limits.h",
"link.h",
"locale.h",
"malloc.h",
"net/ethernet.h",
"net/if.h",
"net/if_arp.h",
"net/route.h",
"netdb.h",
"netinet/in.h",
"netinet/ip.h",
"netinet/tcp.h",
"netinet/udp.h",
"netpacket/packet.h",
"poll.h",
"pthread.h",
"pty.h",
"pwd.h",
"regex.h",
"resolv.h",
"sched.h",
"semaphore.h",
"signal.h",
"stddef.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"string.h",
"sys/auxv.h",
"sys/epoll.h",
"sys/eventfd.h",
"sys/file.h",
"sys/fsuid.h",
"sys/inotify.h",
"sys/ioctl.h",
"sys/mman.h",
"sys/mount.h",
"sys/personality.h",
"sys/prctl.h",
"sys/ptrace.h",
"sys/random.h",
"sys/reboot.h",
"sys/resource.h",
"sys/sendfile.h",
"sys/signalfd.h",
"sys/socket.h",
"sys/stat.h",
"sys/statvfs.h",
"sys/swap.h",
"sys/syscall.h",
"sys/sysinfo.h",
"sys/system_properties.h",
"sys/time.h",
"sys/timerfd.h",
"sys/times.h",
"sys/types.h",
"sys/ucontext.h",
"sys/uio.h",
"sys/un.h",
"sys/utsname.h",
"sys/vfs.h",
"sys/xattr.h",
"sys/wait.h",
"syslog.h",
"termios.h",
"time.h",
"unistd.h",
"utime.h",
"utmp.h",
"wchar.h",
"xlocale.h",
// time64_t is not defined for 64-bit targets If included it will
// generate the error 'Your time_t is already 64-bit'
[target_pointer_width == 32]: "time64.h",
[x86]: "sys/reg.h",
}
// Include linux headers at the end:
headers! { cfg:
"asm/mman.h",
"linux/auxvec.h",
"linux/dccp.h",
"linux/elf.h",
"linux/errqueue.h",
"linux/falloc.h",
"linux/futex.h",
"linux/fs.h",
"linux/genetlink.h",
"linux/if_alg.h",
"linux/if_ether.h",
"linux/if_tun.h",
"linux/magic.h",
"linux/memfd.h",
"linux/module.h",
"linux/net_tstamp.h",
"linux/netfilter/nfnetlink.h",
"linux/netfilter/nfnetlink_log.h",
"linux/netfilter/nfnetlink_queue.h",
"linux/netfilter/nf_tables.h",
"linux/netfilter_ipv4.h",
"linux/netfilter_ipv6.h",
"linux/netfilter_ipv6/ip6_tables.h",
"linux/netlink.h",
"linux/quota.h",
"linux/reboot.h",
"linux/seccomp.h",
"linux/sched.h",
"linux/sockios.h",
"linux/vm_sockets.h",
"linux/wait.h",
}
// Include Android-specific headers:
headers! { cfg:
"android/set_abort_message.h"
}
cfg.type_name(move |ty, is_struct, is_union| {
match ty {
// Just pass all these through, no need for a "struct" prefix
"FILE" | "fd_set" | "Dl_info" | "Elf32_Phdr" | "Elf64_Phdr" => ty.to_string(),
t if is_union => format!("union {}", t),
t if t.ends_with("_t") => t.to_string(),
// sigval is a struct in Rust, but a union in C:
"sigval" => format!("union sigval"),
// put `struct` in front of all structs:.
t if is_struct => format!("struct {}", t),
t => t.to_string(),
}
});
cfg.field_name(move |struct_, field| {
match field {
// Our stat *_nsec fields normally don't actually exist but are part
// of a timeval struct
s if s.ends_with("_nsec") && struct_.starts_with("stat") => s.to_string(),
// FIXME: appears that `epoll_event.data` is an union
"u64" if struct_ == "epoll_event" => "data.u64".to_string(),
s => s.to_string(),
}
});
cfg.skip_type(move |ty| {
match ty {
// FIXME: `sighandler_t` type is incorrect, see:
// https://github.com/rust-lang/libc/issues/1359
"sighandler_t" => true,
_ => false,
}
});
cfg.skip_struct(move |ty| {
if ty.starts_with("__c_anonymous_") {
return true;
}
match ty {
// These are tested as part of the linux_fcntl tests since there are
// header conflicts when including them with all the other structs.
"termios2" => true,
// uc_sigmask and uc_sigmask64 of ucontext_t are an anonymous union
"ucontext_t" => true,
_ => false,
}
});
cfg.skip_const(move |name| {
match name {
// FIXME: deprecated: not available in any header
// See: https://github.com/rust-lang/libc/issues/1356
"ENOATTR" => true,
// FIXME: still necessary?
"SIG_DFL" | "SIG_ERR" | "SIG_IGN" => true, // sighandler_t weirdness
// FIXME: deprecated - removed in glibc 2.26
"SIGUNUSED" => true,
// Needs a newer Android SDK for the definition
"P_PIDFD" => true,
// Requires Linux kernel 5.6
"VMADDR_CID_LOCAL" => true,
_ => false,
}
});
cfg.skip_fn(move |name| {
// skip those that are manually verified
match name {
// FIXME: https://github.com/rust-lang/libc/issues/1272
"execv" | "execve" | "execvp" | "execvpe" | "fexecve" => true,
// There are two versions of the sterror_r function, see
//
// https://linux.die.net/man/3/strerror_r
//
// An XSI-compliant version provided if:
//
// (_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && ! _GNU_SOURCE
//
// and a GNU specific version provided if _GNU_SOURCE is defined.
//
// libc provides bindings for the XSI-compliant version, which is
// preferred for portable applications.
//
// We skip the test here since here _GNU_SOURCE is defined, and
// test the XSI version below.
"strerror_r" => true,
_ => false,
}
});
cfg.skip_field_type(move |struct_, field| {
// This is a weird union, don't check the type.
(struct_ == "ifaddrs" && field == "ifa_ifu") ||
// sigval is actually a union, but we pretend it's a struct
(struct_ == "sigevent" && field == "sigev_value") ||
// FIXME: `sa_sigaction` has type `sighandler_t` but that type is
// incorrect, see: https://github.com/rust-lang/libc/issues/1359
(struct_ == "sigaction" && field == "sa_sigaction") ||
// signalfd had SIGSYS fields added in Android 4.19, but CI does not have that version yet.
(struct_ == "signalfd_siginfo" && field == "ssi_call_addr")
});
cfg.skip_field(move |struct_, field| {
// this is actually a union on linux, so we can't represent it well and
// just insert some padding.
(struct_ == "siginfo_t" && field == "_pad") ||
// FIXME: `sa_sigaction` has type `sighandler_t` but that type is
// incorrect, see: https://github.com/rust-lang/libc/issues/1359
(struct_ == "sigaction" && field == "sa_sigaction") ||
// sigev_notify_thread_id is actually part of a sigev_un union
(struct_ == "sigevent" && field == "sigev_notify_thread_id") ||
// signalfd had SIGSYS fields added in Android 4.19, but CI does not have that version yet.
(struct_ == "signalfd_siginfo" && (field == "ssi_syscall" ||
field == "ssi_call_addr" ||
field == "ssi_arch"))
});
cfg.skip_field(|struct_, field| {
match (struct_, field) {
// conflicting with `p_type` macro from <resolve.h>.
("Elf32_Phdr", "p_type") => true,
("Elf64_Phdr", "p_type") => true,
// this is actually a union on linux, so we can't represent it well and
// just insert some padding.
("siginfo_t", "_pad") => true,
_ => false,
}
});
cfg.generate("../src/lib.rs", "main.rs");
test_linux_like_apis(target);
}
fn test_freebsd(target: &str) {
assert!(target.contains("freebsd"));
let mut cfg = ctest_cfg();
let freebsd_ver = which_freebsd();
match freebsd_ver {
Some(10) => cfg.cfg("freebsd10", None),
Some(11) => cfg.cfg("freebsd11", None),
Some(12) => cfg.cfg("freebsd12", None),
Some(13) => cfg.cfg("freebsd13", None),
_ => &mut cfg,
};
// Required for `getline`:
cfg.define("_WITH_GETLINE", None);
// Required for making freebsd11_stat available in the headers
match freebsd_ver {
Some(10) => &mut cfg,
_ => cfg.define("_WANT_FREEBSD11_STAT", None),
};
headers! { cfg:
"aio.h",
"arpa/inet.h",
"ctype.h",
"dirent.h",
"dlfcn.h",
"elf.h",
"errno.h",
"fcntl.h",
"glob.h",
"grp.h",
"iconv.h",
"ifaddrs.h",
"langinfo.h",
"libutil.h",
"limits.h",
"link.h",
"locale.h",
"machine/reg.h",
"mqueue.h",
"net/bpf.h",
"net/if.h",
"net/if_arp.h",
"net/if_dl.h",
"net/route.h",
"netdb.h",
"netinet/ip.h",
"netinet/in.h",
"netinet/tcp.h",
"netinet/udp.h",
"poll.h",
"pthread.h",
"pthread_np.h",
"pwd.h",
"regex.h",
"resolv.h",
"sched.h",
"semaphore.h",
"signal.h",
"spawn.h",
"stddef.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"string.h",
"sys/event.h",
"sys/extattr.h",
"sys/file.h",
"sys/ioctl.h",
"sys/ipc.h",
"sys/jail.h",
"sys/mman.h",
"sys/mount.h",
"sys/msg.h",
"sys/procdesc.h",
"sys/ptrace.h",
"sys/random.h",
"sys/resource.h",
"sys/rtprio.h",
"sys/shm.h",
"sys/socket.h",
"sys/stat.h",
"sys/statvfs.h",
"sys/sysctl.h",
"sys/time.h",
"sys/times.h",
"sys/timex.h",
"sys/types.h",
"sys/ucontext.h",
"sys/uio.h",
"sys/un.h",
"sys/utsname.h",
"sys/wait.h",
"syslog.h",
"termios.h",
"time.h",
"ufs/ufs/quota.h",
"unistd.h",
"utime.h",
"utmpx.h",
"wchar.h",
}
cfg.type_name(move |ty, is_struct, is_union| {
match ty {
// Just pass all these through, no need for a "struct" prefix
"FILE" | "fd_set" | "Dl_info" | "DIR" | "Elf32_Phdr" | "Elf64_Phdr" => ty.to_string(),
// FIXME: https://github.com/rust-lang/libc/issues/1273
"sighandler_t" => "sig_t".to_string(),
t if is_union => format!("union {}", t),
t if t.ends_with("_t") => t.to_string(),
// sigval is a struct in Rust, but a union in C:
"sigval" => format!("union sigval"),
// put `struct` in front of all structs:.
t if is_struct => format!("struct {}", t),
t => t.to_string(),
}
});
cfg.field_name(move |struct_, field| {
match field {
// Our stat *_nsec fields normally don't actually exist but are part
// of a timeval struct
s if s.ends_with("_nsec") && struct_.starts_with("stat") => {
s.replace("e_nsec", ".tv_nsec")
}
// Field is named `type` in C but that is a Rust keyword,
// so these fields are translated to `type_` in the bindings.
"type_" if struct_ == "rtprio" => "type".to_string(),
s => s.to_string(),
}
});
cfg.skip_const(move |name| {
match name {
// These constants are to be introduced in yet-unreleased FreeBSD 12.2.
"F_ADD_SEALS" | "F_GET_SEALS" | "F_SEAL_SEAL" | "F_SEAL_SHRINK" | "F_SEAL_GROW"
| "F_SEAL_WRITE"
if Some(12) <= freebsd_ver =>
{
true
}
// These constants were introduced in FreeBSD 12:
"SF_USER_READAHEAD"
| "EVFILT_EMPTY"
| "SO_REUSEPORT_LB"
| "IP_ORIGDSTADDR"
| "IP_RECVORIGDSTADDR"
| "IPV6_ORIGDSTADDR"
| "IPV6_RECVORIGDSTADDR"
| "NI_NUMERICSCOPE"
if Some(11) == freebsd_ver =>
{
true
}
// These constants were introduced in FreeBSD 11:
"SF_USER_READAHEAD"
| "SF_NOCACHE"
| "RLIMIT_KQUEUES"
| "RLIMIT_UMTXP"
| "EVFILT_PROCDESC"
| "EVFILT_SENDFILE"
| "EVFILT_EMPTY"
| "SO_REUSEPORT_LB"
| "TCP_CCALGOOPT"
| "TCP_PCAP_OUT"
| "TCP_PCAP_IN"
| "IP_BINDMULTI"
| "IP_ORIGDSTADDR"
| "IP_RECVORIGDSTADDR"
| "IPV6_ORIGDSTADDR"
| "IPV6_RECVORIGDSTADDR"
| "PD_CLOEXEC"
| "PD_ALLOWED_AT_FORK"
| "IP_RSS_LISTEN_BUCKET"
| "NI_NUMERICSCOPE"
if Some(10) == freebsd_ver =>
{
true
}
// FIXME: This constant has a different value in FreeBSD 10:
"RLIM_NLIMITS" if Some(10) == freebsd_ver => true,
// FIXME: There are deprecated - remove in a couple of releases.
// These constants were removed in FreeBSD 11 (svn r273250) but will
// still be accepted and ignored at runtime.
"MAP_RENAME" | "MAP_NORESERVE" if Some(10) != freebsd_ver => true,
// FIXME: There are deprecated - remove in a couple of releases.
// These constants were removed in FreeBSD 11 (svn r262489),
// and they've never had any legitimate use outside of the
// base system anyway.
"CTL_MAXID" | "KERN_MAXID" | "HW_MAXID" | "USER_MAXID" => true,
// This constant was removed in FreeBSD 13 (svn r363622), and never
// had any legitimate use outside of the base system anyway.
"CTL_P1003_1B_MAXID" => true,
// This was renamed in FreeBSD 12.2 and 13 (r352486).
"CTL_UNSPEC" | "CTL_SYSCTL" => true,
// These were added in FreeBSD 12.2 and 13 (r352486),
// but they are just names for magic numbers that existed for ages.
"CTL_SYSCTL_DEBUG"
| "CTL_SYSCTL_NAME"
| "CTL_SYSCTL_NEXT"
| "CTL_SYSCTL_NAME2OID"
| "CTL_SYSCTL_OIDFMT"
| "CTL_SYSCTL_OIDDESCR"
| "CTL_SYSCTL_OIDLABEL" => true,
// This was renamed in FreeBSD 12.2 and 13 (r350749).
"IPPROTO_SEP" | "IPPROTO_DCCP" => true,
// This was changed to 96(0x60) in FreeBSD 13:
// https://github.com/freebsd/freebsd/
// commit/06b00ceaa914a3907e4e27bad924f44612bae1d7
"MINCORE_SUPER" if Some(13) == freebsd_ver => true,
// This was increased to 97 in FreeBSD 12.2 and 13.
// https://github.com/freebsd/freebsd/
// commit/72a21ba0f62da5e86a1c0b462aeb3f5ff849a1b7
"ELAST" if Some(12) == freebsd_ver => true,
_ => false,
}
});
cfg.skip_struct(move |ty| {
if ty.starts_with("__c_anonymous_") {
return true;
}
match ty {
// `mmsghdr` is not available in FreeBSD 10
"mmsghdr" if Some(10) == freebsd_ver => true,
// `max_align_t` is not available in FreeBSD 10
"max_align_t" if Some(10) == freebsd_ver => true,
_ => false,
}
});
cfg.skip_fn(move |name| {
// skip those that are manually verified
match name {
// FIXME: https://github.com/rust-lang/libc/issues/1272
"execv" | "execve" | "execvp" | "execvpe" | "fexecve" => true,
// These functions were added in FreeBSD 11:
"fdatasync" | "mq_getfd_np" | "sendmmsg" | "recvmmsg" if Some(10) == freebsd_ver => {
true
}
// This function changed its return type from `int` in FreeBSD10 to
// `ssize_t` in FreeBSD11:
"aio_waitcomplete" if Some(10) == freebsd_ver => true,
// The `uname` function in the `utsname.h` FreeBSD header is a C
// inline function (has no symbol) that calls the `__xuname` symbol.
// Therefore the function pointer comparison does not make sense for it.
"uname" => true,
// FIXME: Our API is unsound. The Rust API allows aliasing
// pointers, but the C API requires pointers not to alias.
// We should probably be at least using `&`/`&mut` here, see:
// https://github.com/gnzlbg/ctest/issues/68
"lio_listio" => true,
_ => false,
}
});
cfg.skip_signededness(move |c| {
match c {
// FIXME: has a different sign in FreeBSD10
"blksize_t" if Some(10) == freebsd_ver => true,
_ => false,
}
});
cfg.volatile_item(|i| {
use ctest::VolatileItemKind::*;
match i {
// aio_buf is a volatile void** but since we cannot express that in
// Rust types, we have to explicitly tell the checker about it here:
StructField(ref n, ref f) if n == "aiocb" && f == "aio_buf" => true,
_ => false,
}
});
cfg.skip_field(move |struct_, field| {
match (struct_, field) {
// FIXME: `sa_sigaction` has type `sighandler_t` but that type is
// incorrect, see: https://github.com/rust-lang/libc/issues/1359
("sigaction", "sa_sigaction") => true,
// FIXME: in FreeBSD10 this field has type `char*` instead of
// `void*`:
("stack_t", "ss_sp") if Some(10) == freebsd_ver => true,
// conflicting with `p_type` macro from <resolve.h>.
("Elf32_Phdr", "p_type") => true,
("Elf64_Phdr", "p_type") => true,
// not available until FreeBSD 12, and is an anonymous union there.
("xucred", "cr_pid__c_anonymous_union") => true,
_ => false,
}
});
cfg.generate("../src/lib.rs", "main.rs");
}
fn test_emscripten(target: &str) {
assert!(target.contains("emscripten"));
let mut cfg = ctest_cfg();
cfg.define("_GNU_SOURCE", None); // FIXME: ??
headers! { cfg:
"aio.h",
"ctype.h",
"dirent.h",
"dlfcn.h",
"errno.h",
"fcntl.h",
"glob.h",
"grp.h",
"ifaddrs.h",
"langinfo.h",
"limits.h",
"locale.h",
"malloc.h",
"mntent.h",
"mqueue.h",
"net/ethernet.h",
"net/if.h",
"net/if_arp.h",
"net/route.h",
"netdb.h",
"netinet/in.h",
"netinet/ip.h",
"netinet/tcp.h",
"netinet/udp.h",
"netpacket/packet.h",
"poll.h",
"pthread.h",
"pty.h",
"pwd.h",
"resolv.h",
"sched.h",
"sched.h",
"semaphore.h",
"shadow.h",
"signal.h",
"stddef.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"string.h",
"sys/epoll.h",
"sys/eventfd.h",
"sys/file.h",
"sys/ioctl.h",
"sys/ipc.h",
"sys/mman.h",
"sys/mount.h",
"sys/msg.h",
"sys/personality.h",
"sys/prctl.h",
"sys/ptrace.h",
"sys/quota.h",
"sys/reboot.h",
"sys/resource.h",
"sys/sem.h",
"sys/sendfile.h",
"sys/shm.h",
"sys/signalfd.h",
"sys/socket.h",
"sys/stat.h",
"sys/statvfs.h",
"sys/swap.h",
"sys/syscall.h",
"sys/sysctl.h",
"sys/sysinfo.h",
"sys/time.h",
"sys/timerfd.h",
"sys/times.h",
"sys/types.h",
"sys/uio.h",
"sys/un.h",
"sys/user.h",
"sys/utsname.h",
"sys/vfs.h",
"sys/wait.h",
"sys/xattr.h",
"syslog.h",
"termios.h",
"time.h",
"ucontext.h",
"unistd.h",
"utime.h",
"utmp.h",
"utmpx.h",
"wchar.h",
}
cfg.type_name(move |ty, is_struct, is_union| {
match ty {
// Just pass all these through, no need for a "struct" prefix
"FILE" | "fd_set" | "Dl_info" | "DIR" => ty.to_string(),
t if is_union => format!("union {}", t),
t if t.ends_with("_t") => t.to_string(),
// put `struct` in front of all structs:.
t if is_struct => format!("struct {}", t),
t => t.to_string(),
}
});
cfg.field_name(move |struct_, field| {
match field {
// Our stat *_nsec fields normally don't actually exist but are part
// of a timeval struct
s if s.ends_with("_nsec") && struct_.starts_with("stat") => {
s.replace("e_nsec", ".tv_nsec")
}
// FIXME: appears that `epoll_event.data` is an union
"u64" if struct_ == "epoll_event" => "data.u64".to_string(),
s => s.to_string(),
}
});
cfg.skip_type(move |ty| {
match ty {
// sighandler_t is crazy across platforms
// FIXME: is this necessary?
"sighandler_t" => true,
_ => false,
}
});
cfg.skip_struct(move |ty| {
match ty {
// This is actually a union, not a struct
// FIXME: is this necessary?
"sigval" => true,
// FIXME: It was removed in
// emscripten-core/emscripten@953e414
"pthread_mutexattr_t" => true,
// FIXME: Investigate why the test fails.
// Skip for now to unblock CI.
"pthread_condattr_t" => true,
_ => false,
}
});
cfg.skip_fn(move |name| {
match name {
// FIXME: https://github.com/rust-lang/libc/issues/1272
"execv" | "execve" | "execvp" | "execvpe" | "fexecve" => true,
// FIXME: Investigate why CI is missing it.
"clearenv" => true,
_ => false,
}
});
cfg.skip_const(move |name| {
match name {
// FIXME: deprecated - SIGNUNUSED was removed in glibc 2.26
// users should use SIGSYS instead
"SIGUNUSED" => true,
// FIXME: emscripten uses different constants to constructs these
n if n.contains("__SIZEOF_PTHREAD") => true,
// FIXME: `SYS_gettid` was removed in
// emscripten-core/emscripten@6d6474e
"SYS_gettid" => true,
_ => false,
}
});
cfg.skip_field_type(move |struct_, field| {
// This is a weird union, don't check the type.
// FIXME: is this necessary?
(struct_ == "ifaddrs" && field == "ifa_ifu") ||
// sighandler_t type is super weird
// FIXME: is this necessary?
(struct_ == "sigaction" && field == "sa_sigaction") ||
// sigval is actually a union, but we pretend it's a struct
// FIXME: is this necessary?
(struct_ == "sigevent" && field == "sigev_value") ||
// aio_buf is "volatile void*" and Rust doesn't understand volatile
// FIXME: is this necessary?
(struct_ == "aiocb" && field == "aio_buf")
});
cfg.skip_field(move |struct_, field| {
// this is actually a union on linux, so we can't represent it well and
// just insert some padding.
// FIXME: is this necessary?
(struct_ == "siginfo_t" && field == "_pad") ||
// musl names this __dummy1 but it's still there
// FIXME: is this necessary?
(struct_ == "glob_t" && field == "gl_flags") ||
// musl seems to define this as an *anonymous* bitfield
// FIXME: is this necessary?
(struct_ == "statvfs" && field == "__f_unused") ||
// sigev_notify_thread_id is actually part of a sigev_un union
(struct_ == "sigevent" && field == "sigev_notify_thread_id") ||
// signalfd had SIGSYS fields added in Linux 4.18, but no libc release has them yet.
(struct_ == "signalfd_siginfo" && (field == "ssi_addr_lsb" ||
field == "_pad2" ||
field == "ssi_syscall" ||
field == "ssi_call_addr" ||
field == "ssi_arch"))
});
// FIXME: test linux like
cfg.generate("../src/lib.rs", "main.rs");
}
fn test_vxworks(target: &str) {
assert!(target.contains("vxworks"));
let mut cfg = ctest::TestGenerator::new();
headers! { cfg:
"vxWorks.h",
"yvals.h",
"nfs/nfsCommon.h",
"rtpLibCommon.h",
"randomNumGen.h",
"taskLib.h",
"sysLib.h",
"ioLib.h",
"inetLib.h",
"socket.h",
"errnoLib.h",
"ctype.h",
"dirent.h",
"dlfcn.h",
"elf.h",
"fcntl.h",
"grp.h",
"sys/poll.h",
"ifaddrs.h",
"langinfo.h",
"limits.h",
"link.h",
"locale.h",
"sys/stat.h",
"netdb.h",
"pthread.h",
"pwd.h",
"sched.h",
"semaphore.h",
"signal.h",
"stddef.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"string.h",
"sys/file.h",
"sys/ioctl.h",
"sys/socket.h",
"sys/time.h",
"sys/times.h",
"sys/types.h",
"sys/uio.h",
"sys/un.h",
"sys/utsname.h",
"sys/wait.h",
"netinet/tcp.h",
"syslog.h",
"termios.h",
"time.h",
"ucontext.h",
"unistd.h",
"utime.h",
"wchar.h",
"errno.h",
"sys/mman.h",
"pathLib.h",
"mqueue.h",
}
// FIXME
cfg.skip_const(move |name| match name {
// sighandler_t weirdness
"SIG_DFL" | "SIG_ERR" | "SIG_IGN"
// This is not defined in vxWorks
| "RTLD_DEFAULT" => true,
_ => false,
});
// FIXME
cfg.skip_type(move |ty| match ty {
"stat64" | "sighandler_t" | "off64_t" => true,
_ => false,
});
cfg.skip_field_type(move |struct_, field| match (struct_, field) {
("siginfo_t", "si_value") | ("stat", "st_size") | ("sigaction", "sa_u") => true,
_ => false,
});
cfg.skip_roundtrip(move |s| match s {
_ => false,
});
cfg.type_name(move |ty, is_struct, is_union| match ty {
"DIR" | "FILE" | "Dl_info" | "RTP_DESC" => ty.to_string(),
t if is_union => format!("union {}", t),
t if t.ends_with("_t") => t.to_string(),
t if is_struct => format!("struct {}", t),
t => t.to_string(),
});
// FIXME
cfg.skip_fn(move |name| match name {
// sigval
"sigqueue" | "_sigqueue"
// sighandler_t
| "signal"
// not used in static linking by default
| "dlerror" => true,
_ => false,
});
cfg.generate("../src/lib.rs", "main.rs");
}
fn test_linux(target: &str) {
assert!(target.contains("linux"));
// target_env
let gnu = target.contains("gnu");
let musl = target.contains("musl");
let uclibc = target.contains("uclibc");
match (gnu, musl, uclibc) {
(true, false, false) => (),
(false, true, false) => (),
(false, false, true) => (),
(_, _, _) => panic!(
"linux target lib is gnu: {}, musl: {}, uclibc: {}",
gnu, musl, uclibc
),
}
let arm = target.contains("arm");
let i686 = target.contains("i686");
let mips = target.contains("mips");
let mips32 = mips && !target.contains("64");
let mips64 = mips && target.contains("64");
let ppc64 = target.contains("powerpc64");
let s390x = target.contains("s390x");
let sparc64 = target.contains("sparc64");
let x32 = target.contains("x32");
let x86_32 = target.contains("i686");
let x86_64 = target.contains("x86_64");
let aarch64_musl = target.contains("aarch64") && musl;
let gnuabihf = target.contains("gnueabihf");
let x86_64_gnux32 = target.contains("gnux32") && x86_64;
let riscv64 = target.contains("riscv64");
let uclibc = target.contains("uclibc");
let mut cfg = ctest_cfg();
cfg.define("_GNU_SOURCE", None);
// This macro re-deifnes fscanf,scanf,sscanf to link to the symbols that are
// deprecated since glibc >= 2.29. This allows Rust binaries to link against
// glibc versions older than 2.29.
cfg.define("__GLIBC_USE_DEPRECATED_SCANF", None);
headers! { cfg:
"ctype.h",
"dirent.h",
"dlfcn.h",
"elf.h",
"fcntl.h",
"glob.h",
"grp.h",
"iconv.h",
"ifaddrs.h",
"langinfo.h",
"limits.h",
"link.h",
"locale.h",
"malloc.h",
"mntent.h",
"mqueue.h",
"net/ethernet.h",
"net/if.h",
"net/if_arp.h",
"net/route.h",
"netdb.h",
"netinet/in.h",
"netinet/ip.h",
"netinet/tcp.h",
"netinet/udp.h",
"netpacket/packet.h",
"poll.h",
"pthread.h",
"pty.h",
"pwd.h",
"regex.h",
"resolv.h",
"sched.h",
"semaphore.h",
"shadow.h",
"signal.h",
"spawn.h",
"stddef.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"string.h",
"sys/epoll.h",
"sys/eventfd.h",
"sys/file.h",
"sys/fsuid.h",
"sys/inotify.h",
"sys/ioctl.h",
"sys/ipc.h",
"sys/mman.h",
"sys/mount.h",
"sys/msg.h",
"sys/personality.h",
"sys/prctl.h",
"sys/ptrace.h",
"sys/quota.h",
"sys/random.h",
"sys/reboot.h",
"sys/resource.h",
"sys/sem.h",
"sys/sendfile.h",
"sys/shm.h",
"sys/signalfd.h",
"sys/socket.h",
"sys/stat.h",
"sys/statvfs.h",
"sys/swap.h",
"sys/syscall.h",
"sys/time.h",
"sys/timerfd.h",
"sys/times.h",
"sys/timex.h",
"sys/types.h",
"sys/uio.h",
"sys/un.h",
"sys/user.h",
"sys/utsname.h",
"sys/vfs.h",
"sys/wait.h",
"syslog.h",
"termios.h",
"time.h",
"ucontext.h",
"unistd.h",
"utime.h",
"utmp.h",
"utmpx.h",
"wchar.h",
"errno.h",
// `sys/io.h` is only available on x86*, Alpha, IA64, and 32-bit
// ARM: https://bugzilla.redhat.com/show_bug.cgi?id=1116162
// Also unavailable on gnuabihf with glibc 2.30.
// https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=6b33f373c7b9199e00ba5fbafd94ac9bfb4337b1
[(x86_64 || x86_32 || arm) && !gnuabihf]: "sys/io.h",
// `sys/reg.h` is only available on x86 and x86_64
[x86_64 || x86_32]: "sys/reg.h",
// sysctl system call is deprecated and not available on musl
// It is also unsupported in x32, deprecated since glibc 2.30:
[!(x32 || musl || gnu)]: "sys/sysctl.h",
// <execinfo.h> is not supported by musl:
// https://www.openwall.com/lists/musl/2015/04/09/3
// <execinfo.h> is not present on uclibc.
[!(musl || uclibc)]: "execinfo.h",
}
// Include linux headers at the end:
headers! {
cfg:
"asm/mman.h",
"linux/can.h",
"linux/dccp.h",
"linux/errqueue.h",
"linux/falloc.h",
"linux/fs.h",
"linux/futex.h",
"linux/genetlink.h",
"linux/if.h",
"linux/if_addr.h",
"linux/if_alg.h",
"linux/if_ether.h",
"linux/if_tun.h",
"linux/input.h",
"linux/keyctl.h",
"linux/magic.h",
"linux/memfd.h",
"linux/mman.h",
"linux/module.h",
"linux/net_tstamp.h",
"linux/netfilter/nfnetlink.h",
"linux/netfilter/nfnetlink_log.h",
"linux/netfilter/nfnetlink_queue.h",
"linux/netfilter/nf_tables.h",
"linux/netfilter_ipv4.h",
"linux/netfilter_ipv6.h",
"linux/netfilter_ipv6/ip6_tables.h",
"linux/netlink.h",
"linux/quota.h",
"linux/random.h",
"linux/reboot.h",
"linux/rtnetlink.h",
"linux/seccomp.h",
"linux/sockios.h",
"linux/uinput.h",
"linux/vm_sockets.h",
"linux/wait.h",
"sys/fanotify.h",
// <sys/auxv.h> is not present on uclibc
[!uclibc]: "sys/auxv.h",
}
// note: aio.h must be included before sys/mount.h
headers! {
cfg:
"sys/xattr.h",
"sys/sysinfo.h",
// AIO is not supported by uclibc:
[!uclibc]: "aio.h",
}
cfg.type_name(move |ty, is_struct, is_union| {
match ty {
// Just pass all these through, no need for a "struct" prefix
"FILE" | "fd_set" | "Dl_info" | "DIR" | "Elf32_Phdr" | "Elf64_Phdr" | "Elf32_Shdr"
| "Elf64_Shdr" | "Elf32_Sym" | "Elf64_Sym" | "Elf32_Ehdr" | "Elf64_Ehdr"
| "Elf32_Chdr" | "Elf64_Chdr" => ty.to_string(),
t if is_union => format!("union {}", t),
t if t.ends_with("_t") => t.to_string(),
// In MUSL `flock64` is a typedef to `flock`.
"flock64" if musl => format!("struct {}", ty),
// put `struct` in front of all structs:.
t if is_struct => format!("struct {}", t),
t => t.to_string(),
}
});
cfg.field_name(move |struct_, field| {
match field {
// Our stat *_nsec fields normally don't actually exist but are part
// of a timeval struct
s if s.ends_with("_nsec") && struct_.starts_with("stat") => {
s.replace("e_nsec", ".tv_nsec")
}
// FIXME: epoll_event.data is actuall a union in C, but in Rust
// it is only a u64 because we only expose one field
// http://man7.org/linux/man-pages/man2/epoll_wait.2.html
"u64" if struct_ == "epoll_event" => "data.u64".to_string(),
// The following structs have a field called `type` in C,
// but `type` is a Rust keyword, so these fields are translated
// to `type_` in Rust.
"type_"
if struct_ == "input_event"
|| struct_ == "input_mask"
|| struct_ == "ff_effect" =>
{
"type".to_string()
}
s => s.to_string(),
}
});
cfg.skip_type(move |ty| {
match ty {
// FIXME: `sighandler_t` type is incorrect, see:
// https://github.com/rust-lang/libc/issues/1359
"sighandler_t" => true,
// These cannot be tested when "resolv.h" is included and are tested
// in the `linux_elf.rs` file.
"Elf64_Phdr" | "Elf32_Phdr" => true,
// This type is private on Linux. It is implemented as a C `enum`
// (`c_uint`) and this clashes with the type of the `rlimit` APIs
// which expect a `c_int` even though both are ABI compatible.
"__rlimit_resource_t" => true,
_ => false,
}
});
cfg.skip_struct(move |ty| {
if ty.starts_with("__c_anonymous_") {
return true;
}
// FIXME: musl CI has old headers
if (musl || sparc64) && ty.starts_with("uinput_") {
return true;
}
match ty {
// These cannot be tested when "resolv.h" is included and are tested
// in the `linux_elf.rs` file.
"Elf64_Phdr" | "Elf32_Phdr" => true,
// On Linux, the type of `ut_tv` field of `struct utmpx`
// can be an anonymous struct, so an extra struct,
// which is absent in glibc, has to be defined.
"__timeval" => true,
// FIXME: This is actually a union, not a struct
"sigval" => true,
// This type is tested in the `linux_termios.rs` file since there
// are header conflicts when including them with all the other
// structs.
"termios2" => true,
// FIXME: remove once we set minimum supported glibc version.
// ucontext_t added a new field as of glibc 2.28; our struct definition is
// conservative and omits the field, but that means the size doesn't match for newer
// glibcs (see https://github.com/rust-lang/libc/issues/1410)
"ucontext_t" if gnu => true,
// FIXME: Somehow we cannot include headers correctly in glibc 2.30.
// So let's ignore for now and re-visit later.
// Probably related: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91085
"statx" => true,
"statx_timestamp" => true,
// On Linux, the type of `ut_exit` field of struct `utmpx`
// can be an anonymous struct, so an extra struct,
// which is absent in musl, has to be defined.
"__exit_status" if musl => true,
// FIXME: CI's kernel header version is old.
"sockaddr_can" => true,
_ => false,
}
});
cfg.skip_const(move |name| {
if !gnu {
// Skip definitions from the kernel on non-glibc Linux targets.
// They're libc-independent, so we only need to check them on one
// libc. We don't want to break CI if musl or another libc doesn't
// have the definitions yet. (We do still want to check them on
// every glibc target, though, as some of them can vary by
// architecture.)
//
// This is not an exhaustive list of kernel constants, just a list
// of prefixes of all those that have appeared here or that get
// updated regularly and seem likely to cause breakage.
if name.starts_with("AF_")
|| name.starts_with("ARPHRD_")
|| name.starts_with("EPOLL")
|| name.starts_with("F_")
|| name.starts_with("FALLOC_FL_")
|| name.starts_with("IFLA_")
|| name.starts_with("MS_")
|| name.starts_with("MSG_")
|| name.starts_with("P_")
|| name.starts_with("PF_")
|| name.starts_with("RLIMIT_")
|| name.starts_with("SOL_")
|| name.starts_with("STATX_")
|| name.starts_with("SW_")
|| name.starts_with("SYS_")
|| name.starts_with("TCP_")
|| name.starts_with("UINPUT_")
|| name.starts_with("VMADDR_")
{
return true;
}
}
match name {
// These constants are not available if gnu headers have been included
// and can therefore not be tested here
//
// The IPV6 constants are tested in the `linux_ipv6.rs` tests:
| "IPV6_FLOWINFO"
| "IPV6_FLOWLABEL_MGR"
| "IPV6_FLOWINFO_SEND"
| "IPV6_FLOWINFO_FLOWLABEL"
| "IPV6_FLOWINFO_PRIORITY"
// The F_ fnctl constants are tested in the `linux_fnctl.rs` tests:
| "F_CANCELLK"
| "F_ADD_SEALS"
| "F_GET_SEALS"
| "F_SEAL_SEAL"
| "F_SEAL_SHRINK"
| "F_SEAL_GROW"
| "F_SEAL_WRITE" => true,
// Require Linux kernel 5.1:
"F_SEAL_FUTURE_WRITE" => true,
// FIXME: deprecated: not available in any header
// See: https://github.com/rust-lang/libc/issues/1356
"ENOATTR" => true,
// FIXME: SIGUNUSED was removed in glibc 2.26
// Users should use SIGSYS instead.
"SIGUNUSED" => true,
// FIXME: conflicts with glibc headers and is tested in
// `linux_termios.rs` below:
"BOTHER" => true,
// FIXME: on musl the pthread types are defined a little differently
// - these constants are used by the glibc implementation.
n if musl && n.contains("__SIZEOF_PTHREAD") => true,
// FIXME: It was extended to 4096 since glibc 2.31 (Linux 5.4).
// We should do so after a while.
"SOMAXCONN" if gnu => true,
// deprecated: not available from Linux kernel 5.6:
"VMADDR_CID_RESERVED" => true,
// Require Linux kernel 5.6:
"VMADDR_CID_LOCAL" => true,
// IPPROTO_MAX was increased in 5.6 for IPPROTO_MPTCP:
| "IPPROTO_MAX"
| "IPPROTO_MPTCP" => true,
// FIXME: Not currently available in headers
"P_PIDFD" if mips => true,
"SYS_pidfd_open" if mips => true,
// FIXME: Not currently available in headers on MIPS
// Not yet implemented on sparc64
"SYS_clone3" if mips | sparc64 => true,
// FIXME: these syscalls were added in Linux 5.9 or later
// and are currently not included in the glibc headers.
| "SYS_close_range"
| "SYS_openat2"
| "SYS_pidfd_getfd"
| "SYS_faccessat2"
| "SYS_process_madvise"
| "SYS_epoll_pwait2"
| "SYS_mount_setattr" => true,
// Requires more recent kernel headers:
| "IFLA_PROP_LIST"
| "IFLA_ALT_IFNAME"
| "IFLA_PERM_ADDRESS"
| "IFLA_PROTO_DOWN_REASON" => true,
// FIXME: They require recent kernel header:
| "CAN_J1939"
| "CAN_RAW_FILTER_MAX"
| "CAN_NPROTO" => true,
// FIXME: Requires recent kernel headers (5.8):
"STATX_MNT_ID" => true,
// FIXME: requires more recent kernel headers on CI
| "UINPUT_VERSION"
| "SW_MAX"
| "SW_CNT"
if mips || ppc64 || riscv64 || sparc64 => true,
_ => false,
}
});
cfg.skip_fn(move |name| {
// skip those that are manually verified
match name {
// FIXME: https://github.com/rust-lang/libc/issues/1272
"execv" | "execve" | "execvp" | "execvpe" | "fexecve" => true,
// There are two versions of the sterror_r function, see
//
// https://linux.die.net/man/3/strerror_r
//
// An XSI-compliant version provided if:
//
// (_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600)
// && ! _GNU_SOURCE
//
// and a GNU specific version provided if _GNU_SOURCE is defined.
//
// libc provides bindings for the XSI-compliant version, which is
// preferred for portable applications.
//
// We skip the test here since here _GNU_SOURCE is defined, and
// test the XSI version below.
"strerror_r" => true,
// FIXME: Our API is unsound. The Rust API allows aliasing
// pointers, but the C API requires pointers not to alias.
// We should probably be at least using `&`/`&mut` here, see:
// https://github.com/gnzlbg/ctest/issues/68
"lio_listio" if musl => true,
// FIXME: the glibc version used by the Sparc64 build jobs
// which use Debian 10.0 is too old.
"statx" if sparc64 => true,
// FIXME: Deprecated since glibc 2.30. Remove fn once upstream does.
"sysctl" if gnu => true,
// FIXME: It now takes c_void instead of timezone since glibc 2.31.
"gettimeofday" if gnu => true,
// These are all implemented as static inline functions in uclibc, so
// they cannot be linked against.
// If implementations are required, they might need to be implemented
// in this crate.
"posix_spawnattr_init" if uclibc => true,
"posix_spawnattr_destroy" if uclibc => true,
"posix_spawnattr_getsigdefault" if uclibc => true,
"posix_spawnattr_setsigdefault" if uclibc => true,
"posix_spawnattr_getsigmask" if uclibc => true,
"posix_spawnattr_setsigmask" if uclibc => true,
"posix_spawnattr_getflags" if uclibc => true,
"posix_spawnattr_setflags" if uclibc => true,
"posix_spawnattr_getpgroup" if uclibc => true,
"posix_spawnattr_setpgroup" if uclibc => true,
"posix_spawnattr_getschedpolicy" if uclibc => true,
"posix_spawnattr_setschedpolicy" if uclibc => true,
"posix_spawnattr_getschedparam" if uclibc => true,
"posix_spawnattr_setschedparam" if uclibc => true,
"posix_spawn_file_actions_init" if uclibc => true,
"posix_spawn_file_actions_destroy" if uclibc => true,
// uclibc defines the flags type as a uint, but dependent crates
// assume it's a int instead.
"getnameinfo" if uclibc => true,
// FIXME: This needs musl 1.2.2 or later.
"gettid" if musl => true,
_ => false,
}
});
cfg.skip_field_type(move |struct_, field| {
// This is a weird union, don't check the type.
(struct_ == "ifaddrs" && field == "ifa_ifu") ||
// sighandler_t type is super weird
(struct_ == "sigaction" && field == "sa_sigaction") ||
// __timeval type is a patch which doesn't exist in glibc
(struct_ == "utmpx" && field == "ut_tv") ||
// sigval is actually a union, but we pretend it's a struct
(struct_ == "sigevent" && field == "sigev_value") ||
// this one is an anonymous union
(struct_ == "ff_effect" && field == "u") ||
// `__exit_status` type is a patch which is absent in musl
(struct_ == "utmpx" && field == "ut_exit" && musl) ||
// `can_addr` is an anonymous union
(struct_ == "sockaddr_can" && field == "can_addr")
});
cfg.volatile_item(|i| {
use ctest::VolatileItemKind::*;
match i {
// aio_buf is a volatile void** but since we cannot express that in
// Rust types, we have to explicitly tell the checker about it here:
StructField(ref n, ref f) if n == "aiocb" && f == "aio_buf" => true,
_ => false,
}
});
cfg.skip_field(move |struct_, field| {
// this is actually a union on linux, so we can't represent it well and
// just insert some padding.
(struct_ == "siginfo_t" && field == "_pad") ||
// musl names this __dummy1 but it's still there
(musl && struct_ == "glob_t" && field == "gl_flags") ||
// musl seems to define this as an *anonymous* bitfield
(musl && struct_ == "statvfs" && field == "__f_unused") ||
// sigev_notify_thread_id is actually part of a sigev_un union
(struct_ == "sigevent" && field == "sigev_notify_thread_id") ||
// signalfd had SIGSYS fields added in Linux 4.18, but no libc release
// has them yet.
(struct_ == "signalfd_siginfo" && (field == "ssi_addr_lsb" ||
field == "_pad2" ||
field == "ssi_syscall" ||
field == "ssi_call_addr" ||
field == "ssi_arch")) ||
// FIXME: After musl 1.1.24, it have only one field `sched_priority`,
// while other fields become reserved.
(struct_ == "sched_param" && [
"sched_ss_low_priority",
"sched_ss_repl_period",
"sched_ss_init_budget",
"sched_ss_max_repl",
].contains(&field) && musl) ||
// FIXME: After musl 1.1.24, the type becomes `int` instead of `unsigned short`.
(struct_ == "ipc_perm" && field == "__seq" && aarch64_musl) ||
// glibc uses unnamed fields here and Rust doesn't support that yet
(struct_ == "timex" && field.starts_with("__unused")) ||
// FIXME: It now takes mode_t since glibc 2.31 on some targets.
(struct_ == "ipc_perm" && field == "mode"
&& ((x86_64 || i686 || arm || riscv64) && gnu || x86_64_gnux32)
)
});
cfg.skip_roundtrip(move |s| match s {
// FIXME:
"utsname" if mips32 || mips64 => true,
// FIXME:
"mcontext_t" if s390x => true,
// FIXME: This is actually a union.
"fpreg_t" if s390x => true,
"sockaddr_un" | "sembuf" | "ff_constant_effect" if mips32 && (gnu || musl) => true,
"ipv6_mreq"
| "ip_mreq_source"
| "sockaddr_in6"
| "sockaddr_ll"
| "in_pktinfo"
| "arpreq"
| "arpreq_old"
| "sockaddr_un"
| "ff_constant_effect"
| "ff_ramp_effect"
| "ff_condition_effect"
| "Elf32_Ehdr"
| "Elf32_Chdr"
| "ucred"
| "in6_pktinfo"
| "sockaddr_nl"
| "termios"
| "nlmsgerr"
if (mips64 || sparc64) && gnu =>
{
true
}
// FIXME: the call ABI of max_align_t is incorrect on these platforms:
"max_align_t" if i686 || mips64 || ppc64 => true,
_ => false,
});
cfg.generate("../src/lib.rs", "main.rs");
test_linux_like_apis(target);
}
// This function tests APIs that are incompatible to test when other APIs
// are included (e.g. because including both sets of headers clashes)
fn test_linux_like_apis(target: &str) {
let musl = target.contains("musl");
let linux = target.contains("linux");
let emscripten = target.contains("emscripten");
let android = target.contains("android");
assert!(linux || android || emscripten);
if linux || android || emscripten {
// test strerror_r from the `string.h` header
let mut cfg = ctest_cfg();
cfg.skip_type(|_| true).skip_static(|_| true);
headers! { cfg: "string.h" }
cfg.skip_fn(|f| match f {
"strerror_r" => false,
_ => true,
})
.skip_const(|_| true)
.skip_struct(|_| true);
cfg.generate("../src/lib.rs", "linux_strerror_r.rs");
}
if linux || android || emscripten {
// test fcntl - see:
// http://man7.org/linux/man-pages/man2/fcntl.2.html
let mut cfg = ctest_cfg();
if musl {
cfg.header("fcntl.h");
} else {
cfg.header("linux/fcntl.h");
}
cfg.skip_type(|_| true)
.skip_static(|_| true)
.skip_struct(|_| true)
.skip_fn(|_| true)
.skip_const(move |name| match name {
// test fcntl constants:
"F_CANCELLK" | "F_ADD_SEALS" | "F_GET_SEALS" | "F_SEAL_SEAL" | "F_SEAL_SHRINK"
| "F_SEAL_GROW" | "F_SEAL_WRITE" => false,
_ => true,
})
.type_name(move |ty, is_struct, is_union| match ty {
t if is_struct => format!("struct {}", t),
t if is_union => format!("union {}", t),
t => t.to_string(),
});
cfg.generate("../src/lib.rs", "linux_fcntl.rs");
}
if linux || android {
// test termios
let mut cfg = ctest_cfg();
cfg.header("asm/termbits.h");
cfg.skip_type(|_| true)
.skip_static(|_| true)
.skip_fn(|_| true)
.skip_const(|c| c != "BOTHER")
.skip_struct(|s| s != "termios2")
.type_name(move |ty, is_struct, is_union| match ty {
t if is_struct => format!("struct {}", t),
t if is_union => format!("union {}", t),
t => t.to_string(),
});
cfg.generate("../src/lib.rs", "linux_termios.rs");
}
if linux || android {
// test IPV6_ constants:
let mut cfg = ctest_cfg();
headers! {
cfg:
"linux/in6.h"
}
cfg.skip_type(|_| true)
.skip_static(|_| true)
.skip_fn(|_| true)
.skip_const(|_| true)
.skip_struct(|_| true)
.skip_const(move |name| match name {
"IPV6_FLOWINFO"
| "IPV6_FLOWLABEL_MGR"
| "IPV6_FLOWINFO_SEND"
| "IPV6_FLOWINFO_FLOWLABEL"
| "IPV6_FLOWINFO_PRIORITY" => false,
_ => true,
})
.type_name(move |ty, is_struct, is_union| match ty {
t if is_struct => format!("struct {}", t),
t if is_union => format!("union {}", t),
t => t.to_string(),
});
cfg.generate("../src/lib.rs", "linux_ipv6.rs");
}
if linux || android {
// Test Elf64_Phdr and Elf32_Phdr
// These types have a field called `p_type`, but including
// "resolve.h" defines a `p_type` macro that expands to `__p_type`
// making the tests for these fails when both are included.
let mut cfg = ctest_cfg();
cfg.header("elf.h");
cfg.skip_fn(|_| true)
.skip_static(|_| true)
.skip_fn(|_| true)
.skip_const(|_| true)
.type_name(move |ty, _is_struct, _is_union| ty.to_string())
.skip_struct(move |ty| match ty {
"Elf64_Phdr" | "Elf32_Phdr" => false,
_ => true,
})
.skip_type(move |ty| match ty {
"Elf64_Phdr" | "Elf32_Phdr" => false,
_ => true,
});
cfg.generate("../src/lib.rs", "linux_elf.rs");
}
}
fn which_freebsd() -> Option<i32> {
let output = std::process::Command::new("freebsd-version")
.output()
.ok()?;
if !output.status.success() {
return None;
}
let stdout = String::from_utf8(output.stdout).ok()?;
match &stdout {
s if s.starts_with("10") => Some(10),
s if s.starts_with("11") => Some(11),
s if s.starts_with("12") => Some(12),
s if s.starts_with("13") => Some(13),
_ => None,
}
}
fn test_haiku(target: &str) {
assert!(target.contains("haiku"));
let mut cfg = ctest_cfg();
cfg.flag("-Wno-deprecated-declarations");
cfg.define("__USE_GNU", Some("1"));
// POSIX API
headers! { cfg:
"alloca.h",
"arpa/inet.h",
"arpa/nameser.h",
"arpa/nameser_compat.h",
"assert.h",
"bsd_mem.h",
"complex.h",
"ctype.h",
"dirent.h",
"div_t.h",
"dlfcn.h",
"endian.h",
"errno.h",
"fcntl.h",
"fenv.h",
"fnmatch.h",
"fts.h",
"ftw.h",
"getopt.h",
"glob.h",
"grp.h",
"inttypes.h",
"iovec.h",
"langinfo.h",
"libgen.h",
"libio.h",
"limits.h",
"locale.h",
"malloc.h",
"malloc_debug.h",
"math.h",
"memory.h",
"monetary.h",
"net/if.h",
"net/if_dl.h",
"net/if_media.h",
"net/if_tun.h",
"net/if_types.h",
"net/route.h",
"netdb.h",
"netinet/icmp6.h",
"netinet/in.h",
"netinet/ip.h",
"netinet/ip6.h",
"netinet/ip_icmp.h",
"netinet/ip_var.h",
"netinet/tcp.h",
"netinet/udp.h",
"netinet6/in6.h",
"nl_types.h",
"null.h",
"poll.h",
"pthread.h",
"pwd.h",
"regex.h",
"resolv.h",
"sched.h",
"search.h",
"semaphore.h",
"setjmp.h",
"shadow.h",
"signal.h",
"size_t.h",
"spawn.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"string.h",
"strings.h",
"sys/cdefs.h",
"sys/file.h",
"sys/ioctl.h",
"sys/ipc.h",
"sys/mman.h",
"sys/msg.h",
"sys/param.h",
"sys/poll.h",
"sys/resource.h",
"sys/select.h",
"sys/sem.h",
"sys/socket.h",
"sys/sockio.h",
"sys/stat.h",
"sys/statvfs.h",
"sys/time.h",
"sys/timeb.h",
"sys/times.h",
"sys/types.h",
"sys/uio.h",
"sys/un.h",
"sys/utsname.h",
"sys/wait.h",
"syslog.h",
"tar.h",
"termios.h",
"time.h",
"uchar.h",
"unistd.h",
"utime.h",
"wchar.h",
"wchar_t.h",
"wctype.h"
}
// BSD Extensions
headers! { cfg:
"pty.h",
}
// Native API
headers! { cfg:
"kernel/OS.h",
"kernel/fs_attr.h",
"kernel/fs_index.h",
"kernel/fs_info.h",
"kernel/fs_query.h",
"kernel/fs_volume.h",
"kernel/image.h",
"storage/StorageDefs.h",
"support/Errors.h",
"support/SupportDefs.h",
"support/TypeConstants.h"
}
cfg.skip_struct(move |ty| {
match ty {
// FIXME: actually a union
"sigval" => true,
// FIXME: locale_t does not exist on Haiku
"locale_t" => true,
// FIXME: rusage has a different layout on Haiku
"rusage" => true,
// FIXME?: complains that rust aligns on 4 byte boundary, but
// Haiku does not align it at all.
"in6_addr" => true,
// The d_name attribute is an array of 1 on Haiku, with the
// intention that the developer allocates a larger or smaller
// piece of memory depending on the expected/actual size of the name.
// Other platforms have sensible defaults. In Rust, the d_name field
// is sized as the _POSIX_MAX_PATH, so that path names will fit in
// newly allocated dirent objects. This breaks the automated tests.
"dirent" => true,
_ => false,
}
});
cfg.skip_type(move |ty| {
match ty {
// FIXME: locale_t does not exist on Haiku
"locale_t" => true,
// These cause errors, to be reviewed in the future
"sighandler_t" => true,
"pthread_t" => true,
"pthread_condattr_t" => true,
"pthread_mutexattr_t" => true,
"pthread_rwlockattr_t" => true,
_ => false,
}
});
cfg.skip_fn(move |name| {
// skip those that are manually verified
match name {
// FIXME: https://github.com/rust-lang/libc/issues/1272
"execv" | "execve" | "execvp" | "execvpe" => true,
// FIXME: does not exist on haiku
"open_wmemstream" => true,
"mlockall" | "munlockall" => true,
"tcgetsid" => true,
"cfsetspeed" => true,
// ignore for now, will be part of Haiku R1 beta 3
"mlock" | "munlock" => true,
// returns const char * on Haiku
"strsignal" => true,
_ => false,
}
});
cfg.skip_const(move |name| {
match name {
// FIXME: these constants do not exist on Haiku
"DT_UNKNOWN" | "DT_FIFO" | "DT_CHR" | "DT_DIR" | "DT_BLK" | "DT_REG" | "DT_LNK"
| "DT_SOCK" => true,
"USRQUOTA" | "GRPQUOTA" => true,
"SIGIOT" => true,
"ARPOP_REQUEST" | "ARPOP_REPLY" | "ATF_COM" | "ATF_PERM" | "ATF_PUBL"
| "ATF_USETRAILERS" => true,
// Haiku does not have MAP_FILE, but rustc requires it
"MAP_FILE" => true,
// The following does not exist on Haiku but is required by
// several crates
"FIOCLEX" => true,
// just skip this one, it is not defined on Haiku beta 2 but
// since it is meant as a mask and not a parameter it can exist
// here
"LOG_PRIMASK" => true,
// not defined on Haiku, but [get|set]priority is, so they are
// useful
"PRIO_MIN" | "PRIO_MAX" => true,
//
_ => false,
}
});
cfg.skip_field(move |struct_, field| {
match (struct_, field) {
// FIXME: the stat struct actually has timespec members, whereas
// the current representation has these unpacked.
("stat", "st_atime") => true,
("stat", "st_atime_nsec") => true,
("stat", "st_mtime") => true,
("stat", "st_mtime_nsec") => true,
("stat", "st_ctime") => true,
("stat", "st_ctime_nsec") => true,
("stat", "st_crtime") => true,
("stat", "st_crtime_nsec") => true,
// these are actually unions, but we cannot represent it well
("siginfo_t", "sigval") => true,
("sem_t", "named_sem_id") => true,
("sigaction", "sa_sigaction") => true,
("sigevent", "sigev_value") => true,
// skip these enum-type fields
("thread_info", "state") => true,
("image_info", "image_type") => true,
_ => false,
}
});
cfg.skip_roundtrip(move |s| match s {
// FIXME: for some reason the roundtrip check fails for cpu_info
"cpu_info" => true,
_ => false,
});
cfg.type_name(move |ty, is_struct, is_union| {
match ty {
// Just pass all these through, no need for a "struct" prefix
"area_info" | "port_info" | "port_message_info" | "team_info" | "sem_info"
| "team_usage_info" | "thread_info" | "cpu_info" | "system_info"
| "object_wait_info" | "image_info" | "attr_info" | "index_info" | "fs_info"
| "FILE" | "DIR" | "Dl_info" => ty.to_string(),
// is actually a union
"sigval" => format!("union sigval"),
t if is_union => format!("union {}", t),
t if t.ends_with("_t") => t.to_string(),
t if is_struct => format!("struct {}", t),
t => t.to_string(),
}
});
cfg.field_name(move |struct_, field| {
match field {
// Field is named `type` in C but that is a Rust keyword,
// so these fields are translated to `type_` in the bindings.
"type_" if struct_ == "object_wait_info" => "type".to_string(),
"type_" if struct_ == "sem_t" => "type".to_string(),
"type_" if struct_ == "attr_info" => "type".to_string(),
"type_" if struct_ == "index_info" => "type".to_string(),
"image_type" if struct_ == "image_info" => "type".to_string(),
s => s.to_string(),
}
});
cfg.generate("../src/lib.rs", "main.rs");
}
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