rust/src/lib/linux_os.rs

35 lines
1003 B
Rust

import _str.sbuf;
import _vec.vbuf;
native mod libc = "libc.so.6" {
fn open(sbuf s, int flags, uint mode) -> int;
fn read(int fd, vbuf buf, uint count) -> int;
fn write(int fd, vbuf buf, uint count) -> int;
fn close(int fd) -> int;
type dir;
// readdir is a mess; handle via wrapper function in rustrt.
fn opendir(sbuf d) -> dir;
fn closedir(dir d) -> int;
fn getenv(sbuf n) -> sbuf;
fn setenv(sbuf n, sbuf v, int overwrite) -> int;
fn unsetenv(sbuf n) -> int;
}
mod libc_constants {
fn O_RDONLY() -> int { ret 0x0000; }
fn O_WRONLY() -> int { ret 0x0001; }
fn O_RDWR() -> int { ret 0x0002; }
fn O_APPEND() -> int { ret 0x0400; }
fn O_CREAT() -> int { ret 0x0040; }
fn O_EXCL() -> int { ret 0x0080; }
fn O_TRUNC() -> int { ret 0x0200; }
fn O_TEXT() -> int { ret 0x0000; } // nonexistent in linux libc
fn O_BINARY() -> int { ret 0x0000; } // nonexistent in linux libc
fn S_IRUSR() -> uint { ret 0x0100u; }
fn S_IWUSR() -> uint { ret 0x0080u; }
}