35 lines
598 B

import ffi
import sys
_h = None
names = ('libc.so', 'libc.so.0', 'libc.so.6', 'libc.dylib')
def get():
global _h
if _h:
return _h
err = None
for n in names:
_h = ffi.open(n)
return _h
except OSError as e:
err = e
raise err
def set_names(n):
global names
names = n
# Find out bitness of the platform, even if long ints are not supported
# TODO: All bitness differences should be removed from micropython-lib, and
# this snippet too.
bitness = 1
v = sys.maxsize
while v:
bitness += 1
v >>= 1