diff --git a/ci/docker/wasm32-unknown-wasi/Dockerfile b/ci/docker/wasm32-unknown-wasi/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..5050bddf5d9177c6b52ef0107777d498691af963
--- /dev/null
+++ b/ci/docker/wasm32-unknown-wasi/Dockerfile
@@ -0,0 +1,69 @@
+FROM ubuntu:18.04 as reference-sysroot
+
+RUN apt-get update && \
+ apt-get install -y --no-install-recommends \
+ ca-certificates \
+ clang \
+ cmake \
+ curl \
+ g++ \
+ git \
+ libc6-dev \
+ libclang-dev \
+ make \
+ ssh \
+ xz-utils
+
+RUN curl http://releases.llvm.org/8.0.0/clang+llvm-8.0.0-x86_64-linux-gnu-ubuntu-18.04.tar.xz | tar xJf -
+RUN mv /clang+llvm-8.0.0-x86_64-linux-gnu-ubuntu-18.04 /wasmcc
+
+RUN git clone https://github.com/CraneStation/reference-sysroot-wasi && \
+ cd reference-sysroot-wasi && \
+ git reset --hard d5a609fe63926533e1054e539ba5f2693d51bdf5
+RUN make -C reference-sysroot-wasi install -j $(nproc) WASM_CC=/wasmcc/bin/clang INSTALL_DIR=/wasm-sysroot
+COPY docker/wasm32-unknown-wasi/clang.sh /wasm-sysroot/bin/clang
+
+FROM ubuntu:18.04 as wasmtime
+
+RUN apt-get update && \
+ apt-get install -y --no-install-recommends \
+ ca-certificates \
+ clang \
+ cmake \
+ curl \
+ g++ \
+ git \
+ libclang-dev \
+ make \
+ ssh
+
+RUN curl -sSf https://sh.rustup.rs | sh -s -- -y
+ENV PATH=/root/.cargo/bin:$PATH
+
+RUN apt-get install -y --no-install-recommends python
+RUN git clone https://github.com/CraneStation/wasmtime-wasi wasmtime && \
+ cd wasmtime && \
+ git reset --hard a7ac05df74759a7536b2b1e30adc6ff4867e36c3
+
+# Install wasmtime in /usr/bin, but make sure to remove rust afterwards because
+# we don't want it conflicting with the main Rust we're using to compile
+# `libc`.
+RUN cargo build --release --manifest-path wasmtime/Cargo.toml
+
+FROM ubuntu:18.04
+
+RUN apt-get update && \
+ apt-get install -y --no-install-recommends \
+ gcc \
+ libc6-dev \
+ libxml2
+
+COPY --from=reference-sysroot /wasmcc /wasmcc/
+COPY --from=reference-sysroot /wasm-sysroot/ /wasm-sysroot/
+COPY --from=wasmtime /wasmtime/target/release/wasmtime /usr/bin/
+
+ENV CARGO_TARGET_WASM32_UNKNOWN_WASI_RUNNER=wasmtime \
+ CARGO_TARGET_WASM32_UNKNOWN_WASI_LINKER=/wasm-sysroot/bin/clang \
+ CC_wasm32_unknown_wasi=/wasm-sysroot/bin/clang \
+ PATH=$PATH:/rust/bin \
+ RUSTFLAGS=-Ctarget-feature=-crt-static
diff --git a/ci/docker/wasm32-unknown-wasi/clang.sh b/ci/docker/wasm32-unknown-wasi/clang.sh
new file mode 100755
index 0000000000000000000000000000000000000000..fe58503d5c625114dd2d21a8ecac24ad0fe4daaa
--- /dev/null
+++ b/ci/docker/wasm32-unknown-wasi/clang.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+exec /wasmcc/bin/clang --target=wasm32-unknown-wasi --sysroot /wasm-sysroot "$@"
diff --git a/libc-test/build.rs b/libc-test/build.rs
index 9ecfdc0d59516d50b460ece04a697e4ec58e0d57..30c450e4919be95a01fae0080fce34b9de0b43d6 100644
--- a/libc-test/build.rs
+++ b/libc-test/build.rs
@@ -5,12 +5,12 @@ extern crate ctest;
use std::env;
-#[cfg(unix)]
fn do_cc() {
- cc::Build::new().file("src/cmsg.c").compile("cmsg");
+ let target = env::var("TARGET").unwrap();
+ if cfg!(unix) && !target.contains("wasi") {
+ cc::Build::new().file("src/cmsg.c").compile("cmsg");
+ }
}
-#[cfg(not(unix))]
-fn do_cc() {}
fn do_ctest() {
let target = env::var("TARGET").unwrap();
@@ -38,6 +38,7 @@ fn do_ctest() {
t if t.contains("solaris") => return test_solaris(t),
t if t.contains("netbsd") => return test_netbsd(t),
t if t.contains("dragonfly") => return test_dragonflybsd(t),
+ t if t.contains("wasi") => return test_wasi(t),
_ => (),
}
@@ -1866,3 +1867,67 @@ fn test_dragonflybsd(target: &str) {
cfg.generate("../src/lib.rs", "main.rs");
}
+
+fn test_wasi(target: &str) {
+ assert!(target.contains("wasi"));
+
+ let mut cfg = ctest::TestGenerator::new();
+ cfg.define("_GNU_SOURCE", None);
+
+ headers! { cfg:
+ "errno.h",
+ "fcntl.h",
+ "limits.h",
+ "locale.h",
+ "malloc.h",
+ "stddef.h",
+ "stdint.h",
+ "stdio.h",
+ "stdlib.h",
+ "sys/stat.h",
+ "sys/types.h",
+ "time.h",
+ "unistd.h",
+ "wasi/core.h",
+ "wasi/libc.h",
+ "wchar.h",
+ }
+
+ cfg.type_name(move |ty, is_struct, is_union| match ty {
+ "FILE" => 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(),
+ });
+
+ // This is an opaque struct but we go through shenanigans to define values
+ // for it
+ cfg.skip_struct(move |ty| ty == "__clockid");
+
+ cfg.field_name(move |_struct, field| {
+ match field {
+ // deal with fields as rust keywords
+ "type_" => "type".to_string(),
+ s => s.to_string(),
+ }
+ });
+
+ cfg.skip_static(move |name| {
+ match name {
+ // wasi shenanigans for defining CLOCK_REALTIME and such
+ s if s.starts_with("__CLOCK") => true,
+ _ => false,
+ }
+ });
+
+ // 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
+ // improt the same thing bug have different function pointers
+ cfg.skip_fn_ptrcheck(|f| f.starts_with("__wasi"));
+
+ cfg.generate("../src/lib.rs", "main.rs");
+}
diff --git a/src/lib.rs b/src/lib.rs
index 2c30576bade305677582c6d2d4b7763a55c61155..2571f81a6cfbd99b5583d452a4e6149627702a8f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -112,7 +112,10 @@ cfg_if! {
} else if #[cfg(all(target_env = "sgx", target_vendor = "fortanix"))] {
mod sgx;
pub use sgx::*;
- } else {
+ } else if #[cfg(target_env = "wasi")] {
+ mod wasi;
+ pub use wasi::*;
+ } else {
// non-supported targets: empty...
}
}
diff --git a/src/wasi.rs b/src/wasi.rs
new file mode 100644
index 0000000000000000000000000000000000000000..f15c5c3b4afb3157546569bdcab2b2cfdbdaed4d
--- /dev/null
+++ b/src/wasi.rs
@@ -0,0 +1,792 @@
+pub use ffi::c_void;
+
+pub type c_char = i8;
+pub type c_uchar = u8;
+pub type c_int = i32;
+pub type c_uint = u32;
+pub type c_short = i16;
+pub type c_ushort = u16;
+pub type c_long = i32;
+pub type c_ulong = u32;
+pub type c_longlong = i64;
+pub type c_ulonglong = u64;
+pub type size_t = usize;
+pub type ssize_t = isize;
+pub type off_t = i64;
+pub type pid_t = i32;
+pub type int8_t = i8;
+pub type uint8_t = u8;
+pub type int16_t = i16;
+pub type uint16_t = u16;
+pub type int32_t = i32;
+pub type uint32_t = u32;
+pub type int64_t = i64;
+pub type uint64_t = u64;
+pub type clock_t = c_longlong;
+pub type time_t = c_longlong;
+pub type c_double = f64;
+pub type c_float = f32;
+pub type clockid_t = &'static __clockid;
+
+pub type __wasi_advice_t = u8;
+pub type __wasi_clockid_t = u32;
+pub type __wasi_device_t = u64;
+pub type __wasi_dircookie_t = u64;
+pub type __wasi_errno_t = u16;
+pub type __wasi_eventrwflags_t = u16;
+pub type __wasi_eventtype_t = u8;
+pub type __wasi_exitcode_t = u32;
+pub type __wasi_fd_t = u32;
+pub type __wasi_fdflags_t = u16;
+pub type __wasi_filedelta_t = i64;
+pub type __wasi_filesize_t = u64;
+pub type __wasi_filetype_t = u8;
+pub type __wasi_fstflags_t = u16;
+pub type __wasi_inode_t = u64;
+pub type __wasi_linkcount_t = u32;
+pub type __wasi_lookupflags_t = u32;
+pub type __wasi_oflags_t = u16;
+pub type __wasi_riflags_t = u16;
+pub type __wasi_rights_t = u64;
+pub type __wasi_roflags_t = u16;
+pub type __wasi_sdflags_t = u8;
+pub type __wasi_siflags_t = u16;
+pub type __wasi_signal_t = u8;
+pub type __wasi_subclockflags_t = u16;
+pub type __wasi_timestamp_t = u64;
+pub type __wasi_userdata_t = u64;
+pub type __wasi_whence_t = u8;
+pub type __wasi_preopentype_t = u8;
+
+pub const STDIN_FILENO: c_int = 0;
+pub const STDOUT_FILENO: c_int = 1;
+pub const STDERR_FILENO: c_int = 2;
+pub const SEEK_SET: c_int = 2;
+pub const SEEK_CUR: c_int = 0;
+pub const SEEK_END: c_int = 1;
+
+pub const __WASI_ADVICE_NORMAL: u8 = 0;
+pub const __WASI_ADVICE_SEQUENTIAL: u8 = 1;
+pub const __WASI_ADVICE_RANDOM: u8 = 2;
+pub const __WASI_ADVICE_WILLNEED: u8 = 3;
+pub const __WASI_ADVICE_DONTNEED: u8 = 4;
+pub const __WASI_ADVICE_NOREUSE: u8 = 5;
+pub const __WASI_CLOCK_REALTIME: u32 = 0;
+pub const __WASI_CLOCK_MONOTONIC: u32 = 1;
+pub const __WASI_CLOCK_PROCESS_CPUTIME_ID: u32 = 2;
+pub const __WASI_CLOCK_THREAD_CPUTIME_ID: u32 = 3;
+pub const __WASI_DIRCOOKIE_START: u64 = 0;
+pub const __WASI_ESUCCESS: u16 = 0;
+pub const __WASI_E2BIG: u16 = 1;
+pub const __WASI_EACCES: u16 = 2;
+pub const __WASI_EADDRINUSE: u16 = 3;
+pub const __WASI_EADDRNOTAVAIL: u16 = 4;
+pub const __WASI_EAFNOSUPPORT: u16 = 5;
+pub const __WASI_EAGAIN: u16 = 6;
+pub const __WASI_EALREADY: u16 = 7;
+pub const __WASI_EBADF: u16 = 8;
+pub const __WASI_EBADMSG: u16 = 9;
+pub const __WASI_EBUSY: u16 = 10;
+pub const __WASI_ECANCELED: u16 = 11;
+pub const __WASI_ECHILD: u16 = 12;
+pub const __WASI_ECONNABORTED: u16 = 13;
+pub const __WASI_ECONNREFUSED: u16 = 14;
+pub const __WASI_ECONNRESET: u16 = 15;
+pub const __WASI_EDEADLK: u16 = 16;
+pub const __WASI_EDESTADDRREQ: u16 = 17;
+pub const __WASI_EDOM: u16 = 18;
+pub const __WASI_EDQUOT: u16 = 19;
+pub const __WASI_EEXIST: u16 = 20;
+pub const __WASI_EFAULT: u16 = 21;
+pub const __WASI_EFBIG: u16 = 22;
+pub const __WASI_EHOSTUNREACH: u16 = 23;
+pub const __WASI_EIDRM: u16 = 24;
+pub const __WASI_EILSEQ: u16 = 25;
+pub const __WASI_EINPROGRESS: u16 = 26;
+pub const __WASI_EINTR: u16 = 27;
+pub const __WASI_EINVAL: u16 = 28;
+pub const __WASI_EIO: u16 = 29;
+pub const __WASI_EISCONN: u16 = 30;
+pub const __WASI_EISDIR: u16 = 31;
+pub const __WASI_ELOOP: u16 = 32;
+pub const __WASI_EMFILE: u16 = 33;
+pub const __WASI_EMLINK: u16 = 34;
+pub const __WASI_EMSGSIZE: u16 = 35;
+pub const __WASI_EMULTIHOP: u16 = 36;
+pub const __WASI_ENAMETOOLONG: u16 = 37;
+pub const __WASI_ENETDOWN: u16 = 38;
+pub const __WASI_ENETRESET: u16 = 39;
+pub const __WASI_ENETUNREACH: u16 = 40;
+pub const __WASI_ENFILE: u16 = 41;
+pub const __WASI_ENOBUFS: u16 = 42;
+pub const __WASI_ENODEV: u16 = 43;
+pub const __WASI_ENOENT: u16 = 44;
+pub const __WASI_ENOEXEC: u16 = 45;
+pub const __WASI_ENOLCK: u16 = 46;
+pub const __WASI_ENOLINK: u16 = 47;
+pub const __WASI_ENOMEM: u16 = 48;
+pub const __WASI_ENOMSG: u16 = 49;
+pub const __WASI_ENOPROTOOPT: u16 = 50;
+pub const __WASI_ENOSPC: u16 = 51;
+pub const __WASI_ENOSYS: u16 = 52;
+pub const __WASI_ENOTCONN: u16 = 53;
+pub const __WASI_ENOTDIR: u16 = 54;
+pub const __WASI_ENOTEMPTY: u16 = 55;
+pub const __WASI_ENOTRECOVERABLE: u16 = 56;
+pub const __WASI_ENOTSOCK: u16 = 57;
+pub const __WASI_ENOTSUP: u16 = 58;
+pub const __WASI_ENOTTY: u16 = 59;
+pub const __WASI_ENXIO: u16 = 60;
+pub const __WASI_EOVERFLOW: u16 = 61;
+pub const __WASI_EOWNERDEAD: u16 = 62;
+pub const __WASI_EPERM: u16 = 63;
+pub const __WASI_EPIPE: u16 = 64;
+pub const __WASI_EPROTO: u16 = 65;
+pub const __WASI_EPROTONOSUPPORT: u16 = 66;
+pub const __WASI_EPROTOTYPE: u16 = 67;
+pub const __WASI_ERANGE: u16 = 68;
+pub const __WASI_EROFS: u16 = 69;
+pub const __WASI_ESPIPE: u16 = 70;
+pub const __WASI_ESRCH: u16 = 71;
+pub const __WASI_ESTALE: u16 = 72;
+pub const __WASI_ETIMEDOUT: u16 = 73;
+pub const __WASI_ETXTBSY: u16 = 74;
+pub const __WASI_EXDEV: u16 = 75;
+pub const __WASI_ENOTCAPABLE: u16 = 76;
+pub const __WASI_EVENT_FD_READWRITE_HANGUP: u16 = 0x0001;
+pub const __WASI_EVENTTYPE_CLOCK: u8 = 0;
+pub const __WASI_EVENTTYPE_FD_READ: u8 = 1;
+pub const __WASI_EVENTTYPE_FD_WRITE: u8 = 2;
+pub const __WASI_FDFLAG_APPEND: u16 = 0x0001;
+pub const __WASI_FDFLAG_DSYNC: u16 = 0x0002;
+pub const __WASI_FDFLAG_NONBLOCK: u16 = 0x0004;
+pub const __WASI_FDFLAG_RSYNC: u16 = 0x0008;
+pub const __WASI_FDFLAG_SYNC: u16 = 0x0010;
+pub const __WASI_FILETYPE_UNKNOWN: u8 = 0;
+pub const __WASI_FILETYPE_BLOCK_DEVICE: u8 = 1;
+pub const __WASI_FILETYPE_CHARACTER_DEVICE: u8 = 2;
+pub const __WASI_FILETYPE_DIRECTORY: u8 = 3;
+pub const __WASI_FILETYPE_REGULAR_FILE: u8 = 4;
+pub const __WASI_FILETYPE_SOCKET_DGRAM: u8 = 5;
+pub const __WASI_FILETYPE_SOCKET_STREAM: u8 = 6;
+pub const __WASI_FILETYPE_SYMBOLIC_LINK: u8 = 7;
+pub const __WASI_FILESTAT_SET_ATIM: u16 = 0x0001;
+pub const __WASI_FILESTAT_SET_ATIM_NOW: u16 = 0x0002;
+pub const __WASI_FILESTAT_SET_MTIM: u16 = 0x0004;
+pub const __WASI_FILESTAT_SET_MTIM_NOW: u16 = 0x0008;
+pub const __WASI_LOOKUP_SYMLINK_FOLLOW: u32 = 0x00000001;
+pub const __WASI_O_CREAT: u16 = 0x0001;
+pub const __WASI_O_DIRECTORY: u16 = 0x0002;
+pub const __WASI_O_EXCL: u16 = 0x0004;
+pub const __WASI_O_TRUNC: u16 = 0x0008;
+pub const __WASI_PREOPENTYPE_DIR: u8 = 0;
+pub const __WASI_SOCK_RECV_PEEK: u16 = 0x0001;
+pub const __WASI_SOCK_RECV_WAITALL: u16 = 0x0002;
+pub const __WASI_RIGHT_FD_DATASYNC: u64 = 0x0000000000000001;
+pub const __WASI_RIGHT_FD_READ: u64 = 0x0000000000000002;
+pub const __WASI_RIGHT_FD_SEEK: u64 = 0x0000000000000004;
+pub const __WASI_RIGHT_FD_FDSTAT_SET_FLAGS: u64 = 0x0000000000000008;
+pub const __WASI_RIGHT_FD_SYNC: u64 = 0x0000000000000010;
+pub const __WASI_RIGHT_FD_TELL: u64 = 0x0000000000000020;
+pub const __WASI_RIGHT_FD_WRITE: u64 = 0x0000000000000040;
+pub const __WASI_RIGHT_FD_ADVISE: u64 = 0x0000000000000080;
+pub const __WASI_RIGHT_FD_ALLOCATE: u64 = 0x0000000000000100;
+pub const __WASI_RIGHT_PATH_CREATE_DIRECTORY: u64 = 0x0000000000000200;
+pub const __WASI_RIGHT_PATH_CREATE_FILE: u64 = 0x0000000000000400;
+pub const __WASI_RIGHT_PATH_LINK_SOURCE: u64 = 0x0000000000000800;
+pub const __WASI_RIGHT_PATH_LINK_TARGET: u64 = 0x0000000000001000;
+pub const __WASI_RIGHT_PATH_OPEN: u64 = 0x0000000000002000;
+pub const __WASI_RIGHT_FD_READDIR: u64 = 0x0000000000004000;
+pub const __WASI_RIGHT_PATH_READLINK: u64 = 0x0000000000008000;
+pub const __WASI_RIGHT_PATH_RENAME_SOURCE: u64 = 0x0000000000010000;
+pub const __WASI_RIGHT_PATH_RENAME_TARGET: u64 = 0x0000000000020000;
+pub const __WASI_RIGHT_PATH_FILESTAT_GET: u64 = 0x0000000000040000;
+pub const __WASI_RIGHT_PATH_FILESTAT_SET_SIZE: u64 = 0x0000000000080000;
+pub const __WASI_RIGHT_PATH_FILESTAT_SET_TIMES: u64 = 0x0000000000100000;
+pub const __WASI_RIGHT_FD_FILESTAT_GET: u64 = 0x0000000000200000;
+pub const __WASI_RIGHT_FD_FILESTAT_SET_SIZE: u64 = 0x0000000000400000;
+pub const __WASI_RIGHT_FD_FILESTAT_SET_TIMES: u64 = 0x0000000000800000;
+pub const __WASI_RIGHT_PATH_SYMLINK: u64 = 0x0000000001000000;
+pub const __WASI_RIGHT_PATH_REMOVE_DIRECTORY: u64 = 0x0000000002000000;
+pub const __WASI_RIGHT_PATH_UNLINK_FILE: u64 = 0x0000000004000000;
+pub const __WASI_RIGHT_POLL_FD_READWRITE: u64 = 0x0000000008000000;
+pub const __WASI_RIGHT_SOCK_SHUTDOWN: u64 = 0x0000000010000000;
+pub const __WASI_SOCK_RECV_DATA_TRUNCATED: u16 = 0x0001;
+pub const __WASI_SHUT_RD: u8 = 0x01;
+pub const __WASI_SHUT_WR: u8 = 0x02;
+pub const __WASI_SIGHUP: u8 = 1;
+pub const __WASI_SIGINT: u8 = 2;
+pub const __WASI_SIGQUIT: u8 = 3;
+pub const __WASI_SIGILL: u8 = 4;
+pub const __WASI_SIGTRAP: u8 = 5;
+pub const __WASI_SIGABRT: u8 = 6;
+pub const __WASI_SIGBUS: u8 = 7;
+pub const __WASI_SIGFPE: u8 = 8;
+pub const __WASI_SIGKILL: u8 = 9;
+pub const __WASI_SIGUSR1: u8 = 10;
+pub const __WASI_SIGSEGV: u8 = 11;
+pub const __WASI_SIGUSR2: u8 = 12;
+pub const __WASI_SIGPIPE: u8 = 13;
+pub const __WASI_SIGALRM: u8 = 14;
+pub const __WASI_SIGTERM: u8 = 15;
+pub const __WASI_SIGCHLD: u8 = 16;
+pub const __WASI_SIGCONT: u8 = 17;
+pub const __WASI_SIGSTOP: u8 = 18;
+pub const __WASI_SIGTSTP: u8 = 19;
+pub const __WASI_SIGTTIN: u8 = 20;
+pub const __WASI_SIGTTOU: u8 = 21;
+pub const __WASI_SIGURG: u8 = 22;
+pub const __WASI_SIGXCPU: u8 = 23;
+pub const __WASI_SIGXFSZ: u8 = 24;
+pub const __WASI_SIGVTALRM: u8 = 25;
+pub const __WASI_SIGPROF: u8 = 26;
+pub const __WASI_SIGWINCH: u8 = 27;
+pub const __WASI_SIGPOLL: u8 = 28;
+pub const __WASI_SIGPWR: u8 = 29;
+pub const __WASI_SIGSYS: u8 = 30;
+pub const __WASI_SUBSCRIPTION_CLOCK_ABSTIME: u16 = 0x0001;
+pub const __WASI_WHENCE_CUR: u8 = 0;
+pub const __WASI_WHENCE_END: u8 = 1;
+pub const __WASI_WHENCE_SET: u8 = 2;
+
+#[cfg_attr(feature = "extra_traits", derive(Debug))]
+pub enum FILE {}
+impl ::Copy for FILE {}
+impl ::Clone for FILE {
+ fn clone(&self) -> FILE {
+ *self
+ }
+}
+
+s! {
+ #[repr(align(8))]
+ pub struct fpos_t {
+ data: [u8; 16],
+ }
+
+ pub struct tm {
+ pub tm_sec: c_int,
+ pub tm_min: c_int,
+ pub tm_hour: c_int,
+ pub tm_mday: c_int,
+ pub tm_mon: c_int,
+ pub tm_year: c_int,
+ pub tm_wday: c_int,
+ pub tm_yday: c_int,
+ pub tm_isdst: c_int,
+ pub __tm_gmtoff: c_int,
+ pub __tm_zone: *const c_char,
+ pub __tm_nsec: c_int,
+ }
+
+ pub struct timespec {
+ pub tv_sec: time_t,
+ pub tv_nsec: c_long,
+ }
+
+ pub struct itimerspec {
+ pub it_interval: timespec,
+ pub it_value: timespec,
+ }
+
+ pub struct __clockid {}
+
+ pub struct __wasi_dirent_t {
+ pub d_next: __wasi_dircookie_t,
+ pub d_ino: __wasi_inode_t,
+ pub d_namlen: u32,
+ pub d_type: __wasi_filetype_t,
+ }
+
+ pub struct __wasi_event_u_fd_readwrite_t {
+ pub nbytes: __wasi_filesize_t,
+ pub flags: __wasi_eventrwflags_t,
+ }
+
+ pub struct __wasi_fdstat_t {
+ pub fs_filetype: __wasi_filetype_t,
+ pub fs_flags: __wasi_fdflags_t,
+ pub fs_rights_base: __wasi_rights_t,
+ pub fs_rights_inheriting: __wasi_rights_t,
+ }
+
+ pub struct __wasi_filestat_t {
+ pub st_dev: __wasi_device_t,
+ pub st_ino: __wasi_inode_t,
+ pub st_filetype: __wasi_filetype_t,
+ pub st_nlink: __wasi_linkcount_t,
+ pub st_size: __wasi_filesize_t,
+ pub st_atim: __wasi_timestamp_t,
+ pub st_mtim: __wasi_timestamp_t,
+ pub st_ctim: __wasi_timestamp_t,
+ }
+
+ pub struct __wasi_ciovec_t {
+ pub buf: *const ::c_void,
+ pub buf_len: usize,
+ }
+
+ pub struct __wasi_iovec_t {
+ pub buf: *mut ::c_void,
+ pub buf_len: usize,
+ }
+
+ pub struct __wasi_subscription_u_clock_t {
+ pub identifier: __wasi_userdata_t,
+ pub clock_id: __wasi_clockid_t,
+ pub timeout: __wasi_timestamp_t,
+ pub precision: __wasi_timestamp_t,
+ pub flags: __wasi_subclockflags_t,
+ }
+
+ pub struct __wasi_subscription_u_fd_readwrite_t {
+ pub fd: __wasi_fd_t,
+ }
+
+ pub struct __wasi_prestat_u_dir_t {
+ pub pr_name_len: usize,
+ }
+}
+
+s_no_extra_traits! {
+ #[allow(missing_debug_implementations)]
+ pub struct __wasi_subscription_t {
+ pub userdata: __wasi_userdata_t,
+ pub type_: __wasi_eventtype_t,
+ pub u: __wasi_subscription_u,
+ }
+
+ #[allow(missing_debug_implementations)]
+ pub struct __wasi_event_t {
+ pub userdata: __wasi_userdata_t,
+ pub error: __wasi_errno_t,
+ pub type_: __wasi_eventtype_t,
+ pub u: __wasi_event_u,
+ }
+
+ #[allow(missing_debug_implementations)]
+ pub union __wasi_event_u {
+ pub fd_readwrite: __wasi_event_u_fd_readwrite_t,
+ _bindgen_union_align: [u64; 2usize],
+ }
+
+ #[allow(missing_debug_implementations)]
+ pub union __wasi_subscription_u {
+ pub clock: __wasi_subscription_u_clock_t,
+ pub fd_readwrite:
+ __wasi_subscription_u_fd_readwrite_t,
+ _bindgen_union_align: [u64; 5usize],
+ }
+
+ #[allow(missing_debug_implementations)]
+ pub struct __wasi_prestat_t {
+ pub pr_type: __wasi_preopentype_t,
+ pub u: __wasi_prestat_u,
+ }
+
+ #[allow(missing_debug_implementations)]
+ pub union __wasi_prestat_u {
+ pub dir: __wasi_prestat_u_dir_t,
+ }
+
+}
+
+pub static CLOCK_REALTIME: clockid_t = unsafe { &__CLOCK_REALTIME_ADDR };
+pub static CLOCK_MONOTONIC: clockid_t = unsafe { &__CLOCK_MONOTONIC_ADDR };
+pub static CLOCK_MONOTONIC_RAW: clockid_t =
+ unsafe { &__CLOCK_MONOTONIC_RAW_ADDR };
+
+#[cfg_attr(feature = "rustc-dep-of-std",
+ link(name = "c", kind = "static",
+ cfg(target_feature = "crt-static")))]
+#[cfg_attr(feature = "rustc-dep-of-std",
+ link(name = "c", cfg(not(target_feature = "crt-static"))))]
+extern "C" {
+ pub fn _Exit(code: c_int) -> !;
+ pub fn _exit(code: c_int) -> !;
+ pub fn abort() -> !;
+ pub fn aligned_alloc(a: size_t, b: size_t) -> *mut c_void;
+ pub fn calloc(amt: size_t, amt2: size_t) -> *mut c_void;
+ pub fn exit(code: c_int) -> !;
+ pub fn free(ptr: *mut c_void);
+ pub fn getenv(s: *const c_char) -> *mut c_char;
+ pub fn malloc(amt: size_t) -> *mut c_void;
+ pub fn malloc_usable_size(ptr: *mut c_void) -> size_t;
+ pub fn rand() -> c_int;
+ pub fn read(fd: c_int, ptr: *mut c_void, size: size_t) -> ssize_t;
+ pub fn realloc(ptr: *mut c_void, amt: size_t) -> *mut c_void;
+ pub fn setenv(k: *const c_char, v: *const c_char, a: c_int) -> c_int;
+ pub fn unsetenv(k: *const c_char) -> c_int;
+ pub fn write(fd: c_int, ptr: *const c_void, size: size_t) -> ssize_t;
+ pub static mut environ: *mut *mut c_char;
+ pub fn fopen(a: *const c_char, b: *const c_char) -> *mut FILE;
+ pub fn freopen(
+ a: *const c_char,
+ b: *const c_char,
+ f: *mut FILE,
+ ) -> *mut FILE;
+ pub fn fclose(f: *mut FILE) -> c_int;
+ pub fn remove(a: *const c_char) -> c_int;
+ pub fn rename(a: *const c_char, b: *const c_char) -> c_int;
+ pub fn feof(f: *mut FILE) -> c_int;
+ pub fn ferror(f: *mut FILE) -> c_int;
+ pub fn fflush(f: *mut FILE) -> c_int;
+ pub fn clearerr(f: *mut FILE);
+ pub fn fseek(f: *mut FILE, b: c_long, c: c_int) -> c_int;
+ pub fn ftell(f: *mut FILE) -> c_long;
+ pub fn rewind(f: *mut FILE);
+ pub fn fgetpos(f: *mut FILE, pos: *mut fpos_t) -> c_int;
+ pub fn fsetpos(f: *mut FILE, pos: *const fpos_t) -> c_int;
+ pub fn fread(
+ buf: *mut c_void,
+ a: size_t,
+ b: size_t,
+ f: *mut FILE,
+ ) -> size_t;
+ pub fn fwrite(
+ buf: *const c_void,
+ a: size_t,
+ b: size_t,
+ f: *mut FILE,
+ ) -> size_t;
+ pub fn fgetc(f: *mut FILE) -> c_int;
+ pub fn getc(f: *mut FILE) -> c_int;
+ pub fn getchar() -> c_int;
+ pub fn ungetc(a: c_int, f: *mut FILE) -> c_int;
+ pub fn fputc(a: c_int, f: *mut FILE) -> c_int;
+ pub fn putc(a: c_int, f: *mut FILE) -> c_int;
+ pub fn putchar(a: c_int) -> c_int;
+ pub fn fputs(a: *const c_char, f: *mut FILE) -> c_int;
+ pub fn puts(a: *const c_char) -> c_int;
+ pub fn perror(a: *const c_char);
+ pub fn srand(a: c_uint);
+ pub fn atexit(a: extern "C" fn()) -> c_int;
+ pub fn at_quick_exit(a: extern "C" fn()) -> c_int;
+ pub fn quick_exit(a: c_int) -> !;
+ pub fn posix_memalign(a: *mut *mut c_void, b: size_t, c: size_t) -> c_int;
+ pub fn rand_r(a: *mut c_uint) -> c_int;
+ pub fn random() -> c_long;
+ pub fn srandom(a: c_uint);
+ pub fn putenv(a: *mut c_char) -> c_int;
+ pub fn clock() -> clock_t;
+ pub fn time(a: *mut time_t) -> time_t;
+ pub fn difftime(a: time_t, b: time_t) -> c_double;
+ pub fn mktime(a: *mut tm) -> time_t;
+ pub fn strftime(
+ a: *mut c_char,
+ b: size_t,
+ c: *const c_char,
+ d: *const tm,
+ ) -> size_t;
+ pub fn gmtime(a: *const time_t) -> *mut tm;
+ pub fn gmtime_r(a: *const time_t, b: *mut tm) -> *mut tm;
+ pub fn localtime_r(a: *const time_t, b: *mut tm) -> *mut tm;
+ pub fn asctime_r(a: *const tm, b: *mut c_char) -> *mut c_char;
+ pub fn ctime_r(a: *const time_t, b: *mut c_char) -> *mut c_char;
+
+ #[link_name = "CLOCK_REALTIME"]
+ pub static __CLOCK_REALTIME_ADDR: __clockid;
+ #[link_name = "CLOCK_MONOTONIC"]
+ pub static __CLOCK_MONOTONIC_ADDR: __clockid;
+ #[link_name = "CLOCK_MONOTONIC_RAW"]
+ pub static __CLOCK_MONOTONIC_RAW_ADDR: __clockid;
+ pub fn nanosleep(a: *const timespec, b: *mut timespec) -> c_int;
+ pub fn clock_getres(a: clockid_t, b: *mut timespec) -> c_int;
+ pub fn clock_gettime(a: clockid_t, b: *mut timespec) -> c_int;
+ pub fn clock_nanosleep(
+ a: clockid_t,
+ a2: c_int,
+ b: *const timespec,
+ c: *mut timespec,
+ ) -> c_int;
+
+ pub fn __wasilibc_register_preopened_fd(
+ fd: c_int,
+ path: *const c_char,
+ ) -> c_int;
+ pub fn __wasilibc_fd_renumber(fd: c_int, newfd: c_int) -> c_int;
+ pub fn __wasilibc_rmfileat(fd: c_int, path: *const c_char) -> c_int;
+ pub fn __wasilibc_rmdirat(fd: c_int, path: *const c_char) -> c_int;
+ pub fn __wasilibc_init_preopen();
+
+ pub fn arc4random() -> u32;
+ pub fn arc4random_buf(a: *mut c_void, b: usize);
+ pub fn arc4random_uniform(a: u32) -> u32;
+}
+
+#[link(wasm_import_module = "wasi_unstable")]
+extern "C" {
+ #[link_name = "clock_res_get"]
+ pub fn __wasi_clock_res_get(
+ clock_id: __wasi_clockid_t,
+ resolution: *mut __wasi_timestamp_t,
+ ) -> __wasi_errno_t;
+ #[link_name = "clock_time_get"]
+ pub fn __wasi_clock_time_get(
+ clock_id: __wasi_clockid_t,
+ precision: __wasi_timestamp_t,
+ time: *mut __wasi_timestamp_t,
+ ) -> __wasi_errno_t;
+ #[link_name = "fd_close"]
+ pub fn __wasi_fd_close(fd: __wasi_fd_t) -> __wasi_errno_t;
+ #[link_name = "fd_datasync"]
+ pub fn __wasi_fd_datasync(fd: __wasi_fd_t) -> __wasi_errno_t;
+ #[link_name = "fd_pread"]
+ pub fn __wasi_fd_pread(
+ fd: __wasi_fd_t,
+ iovs: *const __wasi_iovec_t,
+ iovs_len: usize,
+ offset: __wasi_filesize_t,
+ nread: *mut usize,
+ ) -> __wasi_errno_t;
+ #[link_name = "fd_pwrite"]
+ pub fn __wasi_fd_pwrite(
+ fd: __wasi_fd_t,
+ iovs: *const __wasi_ciovec_t,
+ iovs_len: usize,
+ offset: __wasi_filesize_t,
+ nwritten: *mut usize,
+ ) -> __wasi_errno_t;
+ #[link_name = "fd_read"]
+ pub fn __wasi_fd_read(
+ fd: __wasi_fd_t,
+ iovs: *const __wasi_iovec_t,
+ iovs_len: usize,
+ nread: *mut usize,
+ ) -> __wasi_errno_t;
+ #[link_name = "fd_renumber"]
+ pub fn __wasi_fd_renumber(
+ from: __wasi_fd_t,
+ to: __wasi_fd_t,
+ ) -> __wasi_errno_t;
+ #[link_name = "fd_seek"]
+ pub fn __wasi_fd_seek(
+ fd: __wasi_fd_t,
+ offset: __wasi_filedelta_t,
+ whence: __wasi_whence_t,
+ newoffset: *mut __wasi_filesize_t,
+ ) -> __wasi_errno_t;
+ #[link_name = "fd_tell"]
+ pub fn __wasi_fd_tell(
+ fd: __wasi_fd_t,
+ newoffset: *mut __wasi_filesize_t,
+ ) -> __wasi_errno_t;
+ #[link_name = "fd_fdstat_get"]
+ pub fn __wasi_fd_fdstat_get(
+ fd: __wasi_fd_t,
+ buf: *mut __wasi_fdstat_t,
+ ) -> __wasi_errno_t;
+ #[link_name = "fd_fdstat_set_flags"]
+ pub fn __wasi_fd_fdstat_set_flags(
+ fd: __wasi_fd_t,
+ flags: __wasi_fdflags_t,
+ ) -> __wasi_errno_t;
+ #[link_name = "fd_fdstat_set_rights"]
+ pub fn __wasi_fd_fdstat_set_rights(
+ fd: __wasi_fd_t,
+ fs_rights_base: __wasi_rights_t,
+ fs_rights_inheriting: __wasi_rights_t,
+ ) -> __wasi_errno_t;
+ #[link_name = "fd_sync"]
+ pub fn __wasi_fd_sync(fd: __wasi_fd_t) -> __wasi_errno_t;
+ #[link_name = "fd_write"]
+ pub fn __wasi_fd_write(
+ fd: __wasi_fd_t,
+ iovs: *const __wasi_ciovec_t,
+ iovs_len: usize,
+ nwritten: *mut usize,
+ ) -> __wasi_errno_t;
+ #[link_name = "fd_advise"]
+ pub fn __wasi_fd_advise(
+ fd: __wasi_fd_t,
+ offset: __wasi_filesize_t,
+ len: __wasi_filesize_t,
+ advice: __wasi_advice_t,
+ ) -> __wasi_errno_t;
+ #[link_name = "fd_allocate"]
+ pub fn __wasi_fd_allocate(
+ fd: __wasi_fd_t,
+ offset: __wasi_filesize_t,
+ len: __wasi_filesize_t,
+ ) -> __wasi_errno_t;
+ #[link_name = "path_create_directory"]
+ pub fn __wasi_path_create_directory(
+ fd: __wasi_fd_t,
+ path: *const ::c_char,
+ path_len: usize,
+ ) -> __wasi_errno_t;
+ #[link_name = "path_link"]
+ pub fn __wasi_path_link(
+ old_fd: __wasi_fd_t,
+ old_flags: __wasi_lookupflags_t,
+ old_path: *const ::c_char,
+ old_path_len: usize,
+ new_fd: __wasi_fd_t,
+ new_path: *const ::c_char,
+ new_path_len: usize,
+ ) -> __wasi_errno_t;
+ #[link_name = "path_open"]
+ pub fn __wasi_path_open(
+ dirfd: __wasi_fd_t,
+ dirflags: __wasi_lookupflags_t,
+ path: *const ::c_char,
+ path_len: usize,
+ oflags: __wasi_oflags_t,
+ fs_rights_base: __wasi_rights_t,
+ fs_rights_inheriting: __wasi_rights_t,
+ fs_flags: __wasi_fdflags_t,
+ fd: *mut __wasi_fd_t,
+ ) -> __wasi_errno_t;
+ #[link_name = "fd_readdir"]
+ pub fn __wasi_fd_readdir(
+ fd: __wasi_fd_t,
+ buf: *mut ::c_void,
+ buf_len: usize,
+ cookie: __wasi_dircookie_t,
+ bufused: *mut usize,
+ ) -> __wasi_errno_t;
+ #[link_name = "path_readlink"]
+ pub fn __wasi_path_readlink(
+ fd: __wasi_fd_t,
+ path: *const ::c_char,
+ path_len: usize,
+ buf: *mut ::c_char,
+ buf_len: usize,
+ bufused: *mut usize,
+ ) -> __wasi_errno_t;
+ #[link_name = "path_rename"]
+ pub fn __wasi_path_rename(
+ old_fd: __wasi_fd_t,
+ old_path: *const ::c_char,
+ old_path_len: usize,
+ new_fd: __wasi_fd_t,
+ new_path: *const ::c_char,
+ new_path_len: usize,
+ ) -> __wasi_errno_t;
+ #[link_name = "fd_filestat_get"]
+ pub fn __wasi_fd_filestat_get(
+ fd: __wasi_fd_t,
+ buf: *mut __wasi_filestat_t,
+ ) -> __wasi_errno_t;
+ #[link_name = "fd_filestat_set_times"]
+ pub fn __wasi_fd_filestat_set_times(
+ fd: __wasi_fd_t,
+ st_atim: __wasi_timestamp_t,
+ st_mtim: __wasi_timestamp_t,
+ fstflags: __wasi_fstflags_t,
+ ) -> __wasi_errno_t;
+ #[link_name = "fd_filestat_set_size"]
+ pub fn __wasi_fd_filestat_set_size(
+ fd: __wasi_fd_t,
+ st_size: __wasi_filesize_t,
+ ) -> __wasi_errno_t;
+ #[link_name = "path_filestat_get"]
+ pub fn __wasi_path_filestat_get(
+ fd: __wasi_fd_t,
+ flags: __wasi_lookupflags_t,
+ path: *const ::c_char,
+ path_len: usize,
+ buf: *mut __wasi_filestat_t,
+ ) -> __wasi_errno_t;
+ #[link_name = "path_filestat_set_times"]
+ pub fn __wasi_path_filestat_set_times(
+ fd: __wasi_fd_t,
+ flags: __wasi_lookupflags_t,
+ path: *const ::c_char,
+ path_len: usize,
+ st_atim: __wasi_timestamp_t,
+ st_mtim: __wasi_timestamp_t,
+ fstflags: __wasi_fstflags_t,
+ ) -> __wasi_errno_t;
+ #[link_name = "path_symlink"]
+ pub fn __wasi_path_symlink(
+ old_path: *const ::c_char,
+ old_path_len: usize,
+ fd: __wasi_fd_t,
+ new_path: *const ::c_char,
+ new_path_len: usize,
+ ) -> __wasi_errno_t;
+ #[link_name = "path_unlink_file"]
+ pub fn __wasi_path_unlink_file(
+ fd: __wasi_fd_t,
+ path: *const ::c_char,
+ path_len: usize,
+ ) -> __wasi_errno_t;
+ #[link_name = "path_remove_directory"]
+ pub fn __wasi_path_remove_directory(
+ fd: __wasi_fd_t,
+ path: *const ::c_char,
+ path_len: usize,
+ ) -> __wasi_errno_t;
+ #[link_name = "poll_oneoff"]
+ pub fn __wasi_poll_oneoff(
+ in_: *const __wasi_subscription_t,
+ out: *mut __wasi_event_t,
+ nsubscriptions: usize,
+ nevents: *mut usize,
+ ) -> __wasi_errno_t;
+ #[link_name = "proc_exit"]
+ pub fn __wasi_proc_exit(rval: __wasi_exitcode_t);
+ #[link_name = "proc_raise"]
+ pub fn __wasi_proc_raise(sig: __wasi_signal_t) -> __wasi_errno_t;
+ #[link_name = "random_get"]
+ pub fn __wasi_random_get(
+ buf: *mut ::c_void,
+ buf_len: usize,
+ ) -> __wasi_errno_t;
+ #[link_name = "sock_recv"]
+ pub fn __wasi_sock_recv(
+ sock: __wasi_fd_t,
+ ri_data: *const __wasi_iovec_t,
+ ri_data_len: usize,
+ ri_flags: __wasi_riflags_t,
+ ro_datalen: *mut usize,
+ ro_flags: *mut __wasi_roflags_t,
+ ) -> __wasi_errno_t;
+ #[link_name = "sock_send"]
+ pub fn __wasi_sock_send(
+ sock: __wasi_fd_t,
+ si_data: *const __wasi_ciovec_t,
+ si_data_len: usize,
+ si_flags: __wasi_siflags_t,
+ so_datalen: *mut usize,
+ ) -> __wasi_errno_t;
+ #[link_name = "sock_shutdown"]
+ pub fn __wasi_sock_shutdown(
+ sock: __wasi_fd_t,
+ how: __wasi_sdflags_t,
+ ) -> __wasi_errno_t;
+ #[link_name = "sched_yield"]
+ pub fn __wasi_sched_yield() -> __wasi_errno_t;
+ #[link_name = "args_get"]
+ pub fn __wasi_args_get(
+ argv: *mut *mut c_char,
+ argv_buf: *mut c_char,
+ ) -> __wasi_errno_t;
+ #[link_name = "args_sizes_get"]
+ pub fn __wasi_args_sizes_get(
+ argc: *mut usize,
+ argv_buf_size: *mut usize,
+ ) -> __wasi_errno_t;
+ #[link_name = "environ_get"]
+ pub fn __wasi_environ_get(
+ environ: *mut *mut c_char,
+ environ_buf: *mut c_char,
+ ) -> __wasi_errno_t;
+ #[link_name = "environ_sizes_get"]
+ pub fn __wasi_environ_sizes_get(
+ environ_count: *mut usize,
+ environ_buf_size: *mut usize,
+ ) -> __wasi_errno_t;
+ #[link_name = "fd_prestat_get"]
+ pub fn __wasi_fd_prestat_get(
+ fd: __wasi_fd_t,
+ buf: *mut __wasi_prestat_t,
+ ) -> __wasi_errno_t;
+ #[link_name = "fd_prestat_dir_name"]
+ pub fn __wasi_fd_prestat_dir_name(
+ fd: __wasi_fd_t,
+ path: *mut c_char,
+ path_len: usize,
+ ) -> __wasi_errno_t;
+}