diff --git a/src/libstd/sys/redox/fs.rs b/src/libstd/sys/redox/fs.rs index 48d9cdcb2c937..c5a19e8debe93 100644 --- a/src/libstd/sys/redox/fs.rs +++ b/src/libstd/sys/redox/fs.rs @@ -420,12 +420,19 @@ fn remove_dir_all_recursive(path: &Path) -> io::Result<()> { } pub fn readlink(p: &Path) -> io::Result { - canonicalize(p) -} - -pub fn symlink(_src: &Path, _dst: &Path) -> io::Result<()> { - ::sys_common::util::dumb_print(format_args!("Symlink\n")); - unimplemented!(); + let fd = cvt(syscall::open(p.to_str().unwrap(), syscall::O_SYMLINK | syscall::O_RDONLY))?; + let mut buf: [u8; 4096] = [0; 4096]; + let count = cvt(syscall::read(fd, &mut buf))?; + cvt(syscall::close(fd))?; + Ok(PathBuf::from(unsafe { String::from_utf8_unchecked(Vec::from(&buf[..count])) })) +} + +pub fn symlink(src: &Path, dst: &Path) -> io::Result<()> { + let fd = cvt(syscall::open(dst.to_str().unwrap(), + syscall::O_SYMLINK | syscall::O_CREAT | syscall::O_WRONLY | 0o777))?; + cvt(syscall::write(fd, src.to_str().unwrap().as_bytes()))?; + cvt(syscall::close(fd))?; + Ok(()) } pub fn link(_src: &Path, _dst: &Path) -> io::Result<()> { diff --git a/src/libstd/sys/redox/syscall/flag.rs b/src/libstd/sys/redox/syscall/flag.rs index 9f0d3e6f77955..bd603cfe6ef9d 100644 --- a/src/libstd/sys/redox/syscall/flag.rs +++ b/src/libstd/sys/redox/syscall/flag.rs @@ -33,6 +33,7 @@ pub const MAP_WRITE_COMBINE: usize = 2; pub const MODE_TYPE: u16 = 0xF000; pub const MODE_DIR: u16 = 0x4000; pub const MODE_FILE: u16 = 0x8000; +pub const MODE_SYMLINK: u16 = 0xA000; pub const MODE_PERM: u16 = 0x0FFF; pub const MODE_SETUID: u16 = 0o4000; @@ -53,6 +54,7 @@ pub const O_TRUNC: usize = 0x0400_0000; pub const O_EXCL: usize = 0x0800_0000; pub const O_DIRECTORY: usize = 0x1000_0000; pub const O_STAT: usize = 0x2000_0000; +pub const O_SYMLINK: usize = 0x4000_0000; pub const O_ACCMODE: usize = O_RDONLY | O_WRONLY | O_RDWR; pub const SEEK_SET: usize = 0;