128 lines
3.6 KiB
Rust
128 lines
3.6 KiB
Rust
import ctypes::*;
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export libc;
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export libc_constants;
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export pipe;
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export fd_FILE;
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export close;
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export fclose;
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export waitpid;
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export getcwd;
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export exec_suffix;
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export target_os;
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export dylib_filename;
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export get_exe_path;
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// FIXME Refactor into unix_os module or some such. Doesn't
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// seem to work right now.
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#[link_name = ""]
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#[abi = "cdecl"]
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native mod libc {
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fn read(fd: fd_t, buf: *u8, count: size_t) -> ssize_t;
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fn write(fd: fd_t, buf: *u8, count: size_t) -> ssize_t;
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fn fread(buf: *u8, size: size_t, n: size_t, f: libc::FILE) -> size_t;
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fn fwrite(buf: *u8, size: size_t, n: size_t, f: libc::FILE) -> size_t;
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fn open(s: str::sbuf, flags: c_int, mode: unsigned) -> fd_t;
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fn close(fd: fd_t) -> int;
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type FILE;
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fn fopen(path: str::sbuf, mode: str::sbuf) -> FILE;
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fn fdopen(fd: fd_t, mode: str::sbuf) -> FILE;
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fn fclose(f: FILE);
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fn fgetc(f: FILE) -> c_int;
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fn ungetc(c: c_int, f: FILE);
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fn feof(f: FILE) -> c_int;
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fn fseek(f: FILE, offset: long, whence: c_int) -> c_int;
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fn ftell(f: FILE) -> long;
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type dir;
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fn opendir(d: str::sbuf) -> dir;
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fn closedir(d: dir) -> c_int;
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type dirent;
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fn readdir(d: dir) -> dirent;
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fn getenv(n: str::sbuf) -> str::sbuf;
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fn setenv(n: str::sbuf, v: str::sbuf, overwrite: c_int) -> c_int;
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fn unsetenv(n: str::sbuf) -> c_int;
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fn pipe(buf: *mutable fd_t) -> c_int;
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fn waitpid(pid: pid_t, &status: c_int, options: c_int) -> pid_t;
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}
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mod libc_constants {
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const O_RDONLY: int = 0i32;
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const O_WRONLY: int = 1i32;
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const O_RDWR: int = 2i32;
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const O_APPEND: int = 8i32;
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const O_CREAT: int = 512i32;
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const O_EXCL: int = 2048i32;
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const O_TRUNC: int = 1024i32;
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const O_TEXT: int = 0i32; // nonexistent in darwin libc
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const O_BINARY: int = 0i32; // nonexistent in darwin libc
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const S_IRUSR: uint = 256u32;
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const S_IWUSR: uint = 128u32;
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}
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fn pipe() -> {in: fd_t, out: fd_t} {
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let fds = {mutable in: 0i32, mutable out: 0i32};
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assert (os::libc::pipe(ptr::mut_addr_of(fds.in)) == 0i32);
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ret {in: fds.in, out: fds.out};
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}
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fn fd_FILE(fd: fd_t) -> libc::FILE {
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ret str::as_buf("r", {|modebuf| libc::fdopen(fd, modebuf) });
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}
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fn close(fd: fd_t) -> int {
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libc::close(fd)
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}
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fn fclose(file: libc::FILE) {
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libc::fclose(file)
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}
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fn waitpid(pid: pid_t) -> i32 {
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let status = 0i32;
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assert (os::libc::waitpid(pid, status, 0i32) != -1i32);
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ret status;
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}
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#[abi = "cdecl"]
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native mod rustrt {
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fn rust_getcwd() -> str;
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}
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fn getcwd() -> str { ret rustrt::rust_getcwd(); }
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native "cdecl" mod mac_libc = "" {
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fn _NSGetExecutablePath(buf: str::sbuf,
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bufsize: *mutable uint32_t) -> c_int;
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}
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fn exec_suffix() -> str { ret ""; }
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fn target_os() -> str { ret "macos"; }
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fn dylib_filename(base: str) -> str { ret "lib" + base + ".dylib"; }
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fn get_exe_path() -> option::t<fs::path> {
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// FIXME: This doesn't handle the case where the buffer is too small
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let bufsize = 1023u32;
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let path = str::unsafe_from_bytes(vec::init_elt(0u8, bufsize as uint));
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ret str::as_buf(path, { |path_buf|
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if mac_libc::_NSGetExecutablePath(path_buf,
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ptr::mut_addr_of(bufsize)) == 0i32 {
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option::some(fs::dirname(path) + fs::path_sep())
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} else {
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option::none
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}
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});
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}
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// Local Variables:
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// mode: rust;
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// fill-column: 78;
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// indent-tabs-mode: nil
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// c-basic-offset: 4
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// buffer-file-coding-system: utf-8-unix
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// compile-command: "make -k -C $RBUILD 2>&1 | sed -e 's/\\/x\\//x:\\//g'";
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// End:
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