zig/lib/std/c/wasi.zig
2021-09-01 17:54:07 -07:00

101 lines
2.6 KiB
Zig

const std = @import("../std.zig");
const wasi = std.os.wasi;
const FDFLAG = wasi.FDFLAG;
extern threadlocal var errno: c_int;
pub fn _errno() *c_int {
return &errno;
}
pub const fd_t = wasi.fd_t;
pub const pid_t = c_int;
pub const uid_t = u32;
pub const gid_t = u32;
pub const off_t = i64;
pub const ino_t = wasi.ino_t;
pub const mode_t = wasi.mode_t;
pub const time_t = wasi.time_t;
pub const timespec = wasi.timespec;
pub const STDERR_FILENO = wasi.STDERR_FILENO;
pub const STDIN_FILENO = wasi.STDIN_FILENO;
pub const STDOUT_FILENO = wasi.STDOUT_FILENO;
pub const E = wasi.E;
pub const CLOCK = wasi.CLOCK;
pub const S = wasi.S;
pub const IOV_MAX = wasi.IOV_MAX;
pub const AT = wasi.AT;
pub const Stat = extern struct {
dev: i32,
ino: ino_t,
nlink: u64,
mode: mode_t,
uid: uid_t,
gid: gid_t,
__pad0: isize,
rdev: i32,
size: off_t,
blksize: i32,
blocks: i64,
atimesec: time_t,
atimensec: isize,
mtimesec: time_t,
mtimensec: isize,
ctimesec: time_t,
ctimensec: isize,
pub fn atime(self: @This()) timespec {
return timespec{
.tv_sec = self.atimesec,
.tv_nsec = self.atimensec,
};
}
pub fn mtime(self: @This()) timespec {
return timespec{
.tv_sec = self.mtimesec,
.tv_nsec = self.mtimensec,
};
}
pub fn ctime(self: @This()) timespec {
return timespec{
.tv_sec = self.ctimesec,
.tv_nsec = self.ctimensec,
};
}
};
/// Derived from
/// https://github.com/WebAssembly/wasi-libc/blob/main/expected/wasm32-wasi/predefined-macros.txt
pub const O = struct {
pub const ACCMODE = (EXEC | RDWR | SEARCH);
pub const APPEND = FDFLAG.APPEND;
pub const CLOEXEC = (0);
pub const CREAT = ((1 << 0) << 12); // = __WASI_OFLAGS_CREAT << 12
pub const DIRECTORY = ((1 << 1) << 12); // = __WASI_OFLAGS_DIRECTORY << 12
pub const DSYNC = FDFLAG.DSYNC;
pub const EXCL = ((1 << 2) << 12); // = __WASI_OFLAGS_EXCL << 12
pub const EXEC = (0x02000000);
pub const NOCTTY = (0);
pub const NOFOLLOW = (0x01000000);
pub const NONBLOCK = (1 << FDFLAG.NONBLOCK);
pub const RDONLY = (0x04000000);
pub const RDWR = (RDONLY | WRONLY);
pub const RSYNC = (1 << FDFLAG.RSYNC);
pub const SEARCH = (0x08000000);
pub const SYNC = (1 << FDFLAG.SYNC);
pub const TRUNC = ((1 << 3) << 12); // = __WASI_OFLAGS_TRUNC << 12
pub const TTY_INIT = (0);
pub const WRONLY = (0x10000000);
};
pub const SEEK = struct {
pub const SET: wasi.whence_t = .SET;
pub const CUR: wasi.whence_t = .CUR;
pub const END: wasi.whence_t = .END;
};