const std = @import("std"); const builtin = std.builtin; const page_size = std.mem.page_size; pub const tokenizer = @import("c/tokenizer.zig"); pub const Token = tokenizer.Token; pub const Tokenizer = tokenizer.Tokenizer; pub const parse = @import("c/parse.zig").parse; pub const ast = @import("c/ast.zig"); pub usingnamespace @import("os/bits.zig"); pub usingnamespace switch (std.Target.current.os.tag) { .linux => @import("c/linux.zig"), .windows => @import("c/windows.zig"), .macosx, .ios, .tvos, .watchos => @import("c/darwin.zig"), .freebsd, .kfreebsd => @import("c/freebsd.zig"), .netbsd => @import("c/netbsd.zig"), .dragonfly => @import("c/dragonfly.zig"), .openbsd => @import("c/openbsd.zig"), .haiku => @import("c/haiku.zig"), .hermit => @import("c/hermit.zig"), .solaris => @import("c/solaris.zig"), .fuchsia => @import("c/fuchsia.zig"), .minix => @import("c/minix.zig"), .emscripten => @import("c/emscripten.zig"), else => struct {}, }; pub fn getErrno(rc: var) u16 { if (rc == -1) { return @intCast(u16, _errno().*); } else { return 0; } } /// The return type is `type` to force comptime function call execution. /// TODO: https://github.com/ziglang/zig/issues/425 /// If not linking libc, returns struct{pub const ok = false;} /// If linking musl libc, returns struct{pub const ok = true;} /// If linking gnu libc (glibc), the `ok` value will be true if the target /// version is greater than or equal to `glibc_version`. /// If linking a libc other than these, returns `false`. pub fn versionCheck(glibc_version: builtin.Version) type { return struct { pub const ok = blk: { if (!builtin.link_libc) break :blk false; if (std.Target.current.abi.isMusl()) break :blk true; if (std.Target.current.isGnuLibC()) { const ver = std.Target.current.os.version_range.linux.glibc; const order = ver.order(glibc_version); break :blk switch (order) { .gt, .eq => true, .lt => false, }; } else { break :blk false; } }; }; } pub extern "c" var environ: [*:null]?[*:0]u8; pub extern "c" fn fopen(filename: [*:0]const u8, modes: [*:0]const u8) ?*FILE; pub extern "c" fn fclose(stream: *FILE) c_int; pub extern "c" fn fwrite(ptr: [*]const u8, size_of_type: usize, item_count: usize, stream: *FILE) usize; pub extern "c" fn fread(ptr: [*]u8, size_of_type: usize, item_count: usize, stream: *FILE) usize; pub extern "c" fn printf(format: [*:0]const u8, ...) c_int; pub extern "c" fn abort() noreturn; pub extern "c" fn exit(code: c_int) noreturn; pub extern "c" fn isatty(fd: fd_t) c_int; pub extern "c" fn close(fd: fd_t) c_int; pub extern "c" fn fstat(fd: fd_t, buf: *Stat) c_int; pub extern "c" fn @"fstat$INODE64"(fd: fd_t, buf: *Stat) c_int; pub extern "c" fn fstatat(dirfd: fd_t, path: [*:0]const u8, stat_buf: *Stat, flags: u32) c_int; pub extern "c" fn lseek(fd: fd_t, offset: off_t, whence: c_int) off_t; pub extern "c" fn open(path: [*:0]const u8, oflag: c_uint, ...) c_int; pub extern "c" fn openat(fd: c_int, path: [*:0]const u8, oflag: c_uint, ...) c_int; pub extern "c" fn raise(sig: c_int) c_int; pub extern "c" fn read(fd: fd_t, buf: [*]u8, nbyte: usize) isize; pub extern "c" fn readv(fd: c_int, iov: [*]const iovec, iovcnt: c_uint) isize; pub extern "c" fn pread(fd: fd_t, buf: [*]u8, nbyte: usize, offset: u64) isize; pub extern "c" fn preadv(fd: c_int, iov: [*]const iovec, iovcnt: c_uint, offset: u64) isize; pub extern "c" fn writev(fd: c_int, iov: [*]const iovec_const, iovcnt: c_uint) isize; pub extern "c" fn pwritev(fd: c_int, iov: [*]const iovec_const, iovcnt: c_uint, offset: u64) isize; pub extern "c" fn stat(noalias path: [*:0]const u8, noalias buf: *Stat) c_int; pub extern "c" fn write(fd: fd_t, buf: [*]const u8, nbyte: usize) isize; pub extern "c" fn pwrite(fd: fd_t, buf: [*]const u8, nbyte: usize, offset: u64) isize; pub extern "c" fn mmap(addr: ?*align(page_size) c_void, len: usize, prot: c_uint, flags: c_uint, fd: fd_t, offset: u64) *c_void; pub extern "c" fn munmap(addr: *align(page_size) c_void, len: usize) c_int; pub extern "c" fn mprotect(addr: *align(page_size) c_void, len: usize, prot: c_uint) c_int; pub extern "c" fn unlink(path: [*:0]const u8) c_int; pub extern "c" fn unlinkat(dirfd: fd_t, path: [*:0]const u8, flags: c_uint) c_int; pub extern "c" fn getcwd(buf: [*]u8, size: usize) ?[*]u8; pub extern "c" fn waitpid(pid: c_int, stat_loc: *c_uint, options: c_uint) c_int; pub extern "c" fn fork() c_int; pub extern "c" fn access(path: [*:0]const u8, mode: c_uint) c_int; pub extern "c" fn faccessat(dirfd: fd_t, path: [*:0]const u8, mode: c_uint, flags: c_uint) c_int; pub extern "c" fn pipe(fds: *[2]fd_t) c_int; pub extern "c" fn pipe2(fds: *[2]fd_t, flags: u32) c_int; pub extern "c" fn mkdir(path: [*:0]const u8, mode: c_uint) c_int; pub extern "c" fn mkdirat(dirfd: fd_t, path: [*:0]const u8, mode: u32) c_int; pub extern "c" fn symlink(existing: [*:0]const u8, new: [*:0]const u8) c_int; pub extern "c" fn rename(old: [*:0]const u8, new: [*:0]const u8) c_int; pub extern "c" fn chdir(path: [*:0]const u8) c_int; pub extern "c" fn fchdir(fd: fd_t) c_int; pub extern "c" fn execve(path: [*:0]const u8, argv: [*:null]const ?[*:0]const u8, envp: [*:null]const ?[*:0]const u8) c_int; pub extern "c" fn dup(fd: fd_t) c_int; pub extern "c" fn dup2(old_fd: fd_t, new_fd: fd_t) c_int; pub extern "c" fn readlink(noalias path: [*:0]const u8, noalias buf: [*]u8, bufsize: usize) isize; pub extern "c" fn readlinkat(dirfd: fd_t, noalias path: [*:0]const u8, noalias buf: [*]u8, bufsize: usize) isize; pub extern "c" fn realpath(noalias file_name: [*:0]const u8, noalias resolved_name: [*]u8) ?[*:0]u8; pub extern "c" fn sigprocmask(how: c_int, noalias set: ?*const sigset_t, noalias oset: ?*sigset_t) c_int; pub extern "c" fn gettimeofday(noalias tv: ?*timeval, noalias tz: ?*timezone) c_int; pub extern "c" fn sigaction(sig: c_int, noalias act: *const Sigaction, noalias oact: ?*Sigaction) c_int; pub extern "c" fn nanosleep(rqtp: *const timespec, rmtp: ?*timespec) c_int; pub extern "c" fn setreuid(ruid: c_uint, euid: c_uint) c_int; pub extern "c" fn setregid(rgid: c_uint, egid: c_uint) c_int; pub extern "c" fn rmdir(path: [*:0]const u8) c_int; pub extern "c" fn getenv(name: [*:0]const u8) ?[*:0]u8; pub extern "c" fn getrusage(who: c_int, usage: *rusage) c_int; pub extern "c" fn sysctl(name: [*]const c_int, namelen: c_uint, oldp: ?*c_void, oldlenp: ?*usize, newp: ?*c_void, newlen: usize) c_int; pub extern "c" fn sysctlbyname(name: [*:0]const u8, oldp: ?*c_void, oldlenp: ?*usize, newp: ?*c_void, newlen: usize) c_int; pub extern "c" fn sysctlnametomib(name: [*:0]const u8, mibp: ?*c_int, sizep: ?*usize) c_int; pub extern "c" fn tcgetattr(fd: fd_t, termios_p: *termios) c_int; pub extern "c" fn tcsetattr(fd: fd_t, optional_action: TCSA, termios_p: *const termios) c_int; pub extern "c" fn fcntl(fd: fd_t, cmd: c_int, ...) c_int; pub extern "c" fn uname(buf: *utsname) c_int; pub extern "c" fn gethostname(name: [*]u8, len: usize) c_int; pub extern "c" fn bind(socket: fd_t, address: ?*const sockaddr, address_len: socklen_t) c_int; pub extern "c" fn socket(domain: c_uint, sock_type: c_uint, protocol: c_uint) c_int; pub extern "c" fn listen(sockfd: fd_t, backlog: c_uint) c_int; pub extern "c" fn getsockname(sockfd: fd_t, noalias addr: *sockaddr, noalias addrlen: *socklen_t) c_int; pub extern "c" fn connect(sockfd: fd_t, sock_addr: *const sockaddr, addrlen: socklen_t) c_int; pub extern "c" fn accept4(sockfd: fd_t, addr: *sockaddr, addrlen: *socklen_t, flags: c_uint) c_int; pub extern "c" fn getsockopt(sockfd: fd_t, level: u32, optname: u32, optval: *c_void, optlen: *socklen_t) c_int; pub extern "c" fn setsockopt(sockfd: fd_t, level: u32, optname: u32, optval: *c_void, optlen: socklen_t) c_int; pub extern "c" fn send(sockfd: fd_t, buf: *const c_void, len: usize, flags: u32) isize; pub extern "c" fn sendto( sockfd: fd_t, buf: *const c_void, len: usize, flags: u32, dest_addr: ?*const sockaddr, addrlen: socklen_t, ) isize; pub extern fn recv(sockfd: fd_t, arg1: ?*c_void, arg2: usize, arg3: c_int) isize; pub extern fn recvfrom( sockfd: fd_t, noalias buf: *c_void, len: usize, flags: u32, noalias src_addr: ?*sockaddr, noalias addrlen: ?*socklen_t, ) isize; pub extern "c" fn kill(pid: pid_t, sig: c_int) c_int; pub extern "c" fn getdirentries(fd: fd_t, buf_ptr: [*]u8, nbytes: usize, basep: *i64) isize; pub extern "c" fn setgid(ruid: c_uint, euid: c_uint) c_int; pub extern "c" fn setuid(uid: c_uint) c_int; pub extern "c" fn clock_gettime(clk_id: c_int, tp: *timespec) c_int; pub extern "c" fn clock_getres(clk_id: c_int, tp: *timespec) c_int; pub extern "c" fn aligned_alloc(alignment: usize, size: usize) ?*c_void; pub extern "c" fn malloc(usize) ?*c_void; pub extern "c" fn realloc(?*c_void, usize) ?*c_void; pub extern "c" fn free(*c_void) void; pub extern "c" fn posix_memalign(memptr: **c_void, alignment: usize, size: usize) c_int; // Deprecated pub extern "c" fn futimes(fd: fd_t, times: *[2]timeval) c_int; pub extern "c" fn utimes(path: [*:0]const u8, times: *[2]timeval) c_int; pub extern "c" fn utimensat(dirfd: fd_t, pathname: [*:0]const u8, times: *[2]timespec, flags: u32) c_int; pub extern "c" fn futimens(fd: fd_t, times: *const [2]timespec) c_int; pub extern "c" fn pthread_create(noalias newthread: *pthread_t, noalias attr: ?*const pthread_attr_t, start_routine: extern fn (?*c_void) ?*c_void, noalias arg: ?*c_void) c_int; pub extern "c" fn pthread_attr_init(attr: *pthread_attr_t) c_int; pub extern "c" fn pthread_attr_setstack(attr: *pthread_attr_t, stackaddr: *c_void, stacksize: usize) c_int; pub extern "c" fn pthread_attr_destroy(attr: *pthread_attr_t) c_int; pub extern "c" fn pthread_self() pthread_t; pub extern "c" fn pthread_join(thread: pthread_t, arg_return: ?*?*c_void) c_int; pub extern "c" fn kqueue() c_int; pub extern "c" fn kevent( kq: c_int, changelist: [*]const Kevent, nchanges: c_int, eventlist: [*]Kevent, nevents: c_int, timeout: ?*const timespec, ) c_int; pub extern "c" fn getaddrinfo( noalias node: [*:0]const u8, noalias service: [*:0]const u8, noalias hints: *const addrinfo, noalias res: **addrinfo, ) EAI; pub extern "c" fn freeaddrinfo(res: *addrinfo) void; pub extern "c" fn getnameinfo( noalias addr: *const sockaddr, addrlen: socklen_t, noalias host: [*]u8, hostlen: socklen_t, noalias serv: [*]u8, servlen: socklen_t, flags: u32, ) EAI; pub extern "c" fn gai_strerror(errcode: EAI) [*:0]const u8; pub extern "c" fn poll(fds: [*]pollfd, nfds: nfds_t, timeout: c_int) c_int; pub extern "c" fn dn_expand( msg: [*:0]const u8, eomorig: [*:0]const u8, comp_dn: [*:0]const u8, exp_dn: [*:0]u8, length: c_int, ) c_int; pub extern "c" fn sched_yield() c_int; pub const PTHREAD_MUTEX_INITIALIZER = pthread_mutex_t{}; pub extern "c" fn pthread_mutex_lock(mutex: *pthread_mutex_t) c_int; pub extern "c" fn pthread_mutex_unlock(mutex: *pthread_mutex_t) c_int; pub extern "c" fn pthread_mutex_destroy(mutex: *pthread_mutex_t) c_int; pub const PTHREAD_COND_INITIALIZER = pthread_cond_t{}; pub extern "c" fn pthread_cond_wait(noalias cond: *pthread_cond_t, noalias mutex: *pthread_mutex_t) c_int; pub extern "c" fn pthread_cond_timedwait(noalias cond: *pthread_cond_t, noalias mutex: *pthread_mutex_t, noalias abstime: *const timespec) c_int; pub extern "c" fn pthread_cond_signal(cond: *pthread_cond_t) c_int; pub extern "c" fn pthread_cond_broadcast(cond: *pthread_cond_t) c_int; pub extern "c" fn pthread_cond_destroy(cond: *pthread_cond_t) c_int; pub const pthread_t = *@OpaqueType(); pub const FILE = @OpaqueType(); pub extern "c" fn dlopen(path: [*:0]const u8, mode: c_int) ?*c_void; pub extern "c" fn dlclose(handle: *c_void) c_int; pub extern "c" fn dlsym(handle: ?*c_void, symbol: [*:0]const u8) ?*c_void;