def unlink(engine: Engine):
try:
name = engine.read_string()
os_.unlink(name)
engine.write_int(0)
except OSError as e:
engine.write_int(map_errno(int(str(e)), errno, Flags))
def symlink(engine: Engine):
try:
existing = engine.read_string()
_new = engine.read_string()
os_.symlink(existing, _new)
engine.write_int(0)
except OSError as e:
engine.write_int(map_errno(int(str(e)), errno, Flags))
def stat_(engine: Engine):
try:
file = engine.read_string()
st = os_.stat(file)
engine.write_int(0)
write_stat(engine, st)
except OSError as e:
engine.write_int(map_errno(int(str(e)), errno, Flags))
def fstat(engine: Engine):
try:
fd = engine.read_int()
st = os_.fstat(fd)
engine.write_int(0)
write_stat(engine, st)
except OSError as e:
engine.write_int(map_errno(int(str(e)), errno, Flags))
def read_full(engine: Engine):
try:
fd = engine.read_int()
len_ = engine.read_int()
buf = os_.read(fd, len_)
engine.write_int(0)
engine.write_memory(buf)
except OSError as e:
engine.write_int(map_errno(int(str(e)), errno, Flags))
def invoke(self, engine: Engine, macro_expansion: MacroExpansion):
engine.write_int(len(self.argv))
data = b'\0'.join(arg.encode() for arg in self.argv) + b'\0'
res = engine.write_memory(data)
if res != len(data):
print(
"***metal.serial***: Couldn't write all of argv, buffer size was {}"
.format(res),
file=sys.stderr)
def read_buffered(engine: Engine):
try:
fd = engine.read_int()
len_ = engine.read_int()
cur = os_.lseek(fd, 0, os_.SEEK_CUR)
end = os_.lseek(fd, 0, os_.SEEK_END)
available = end - cur
read_len = min(available, len_)
buf = os_.read(fd, read_len)
engine.write_int(0)
engine.write_memory(buf)
except OSError as e:
engine.write_int(map_errno(int(str(e)), errno, Flags))
def isatty(engine: Engine):
try:
fd = engine.read_int()
isatty_ = os_.isatty(fd)
engine.write_int(0)
engine.write_int(isatty_)
except OSError as e:
engine.write_int(map_errno(int(str(e)), errno, Flags))
def write_full(engine: Engine):
try:
fd = engine.read_int()
dt = engine.read_memory()
engine.write_int(os_.write(fd, dt))
except OSError as e:
engine.write_int(-1)
engine.write_int(map_errno(int(str(e)), errno, Flags))
def close_full(engine: Engine):
try:
fd = engine.read_int()
os_.close(fd)
engine.write_int(0)
except OSError as e:
engine.write_int(-1)
engine.write_int(map_errno(int(str(e)), errno, Flags))
def open_full(engine: Engine):
try:
file = engine.read_string()
flags = map_open_flags(engine.read_int(), Flags, os_)
mode = map_file_mode(engine.read_int(), Flags, os_)
engine.write_int(os_.open(file, flags, mode))
except OSError as e:
engine.write_int(-1)
engine.write_int(map_errno(int(str(e)), errno, Flags))
def lseek(engine: Engine):
try:
file = engine.read_int()
ptr = engine.read_int()
dir_ = engine.read_int()
engine.write_int(os_.lseek(file, ptr, dir_))
except OSError as e:
engine.write_int(-1)
engine.write_int(map_errno(int(str(e)), errno, Flags))
p = Popen(args.binary,
stdin=PIPE,
stdout=PIPE,
stderr=sys.stdout.buffer,
close_fds=True)
engine = Engine(input=p.stdout, output=p.stdin, serial_info=serial_info)
assert engine.init_marker.file.endswith('write.c')
assert engine.init_marker.line == 25
engine.write_byte(b'0')
assert engine.read_byte() == b'9'
engine.write_int(22)
assert engine.read_int() == 44
assert engine.write_string("str") == 3
assert engine.read_string() == "tr"
engine.write_int(11)
assert engine.read_int() == 33
assert engine.write_string("overflow") == 6
assert engine.read_string() == "erfl"
engine.write_int(4)
assert engine.read_int() == 16
assert engine.write_memory(b'\x00\x01\x02\x03\x04') == 4
def write_stat(engine: Engine, st: os_.stat_result):
engine.write_int(st.st_dev)
engine.write_int(st.st_ino)
engine.write_int(map_file_mode(st.st_mode, Flags, os_))
engine.write_int(st.st_nlink)
engine.write_int(st.st_uid)
engine.write_int(st.st_gid)
if hasattr(st, 'st_rdev'):
engine.write_int(getattr(st, 'st_rdev') or 0)
else:
engine.write_int(0)
engine.write_int(st.st_size)
if hasattr(st, 'st_blksize'):
engine.write_int(getattr(st, 'st_blksize') or 0)
else:
engine.write_int(0)
if hasattr(st, 'st_blocks'):
engine.write_int(getattr(st, 'st_blocks') or 0)
else:
engine.write_int(0)
engine.write_int(int(st.st_atime))
engine.write_int(
(st.st_atime_ns or int(st.st_atime * 1000000000)) % 1000000000)
engine.write_int(int(st.st_mtime))
engine.write_int(
(st.st_mtime_ns or int(st.st_mtime * 1000000000)) % 1000000000)
engine.write_int(int(st.st_ctime))
engine.write_int(
(st.st_ctime_ns or int(st.st_ctime * 1000000000)) % 1000000000)