Python get_libcの例

コード例 #1

""" This file provides some support for things like standard_c_lib and
errno access, as portable as possible
"""

import ctypes
import ctypes.util
import sys

# __________ the standard C library __________

if sys.platform == 'win32':
    import _ffi
    standard_c_lib = ctypes.CDLL('msvcrt', handle=_ffi.get_libc())
elif sys.platform == 'cygwin':
    standard_c_lib = ctypes.CDLL(ctypes.util.find_library('cygwin'))
else:
    standard_c_lib = ctypes.CDLL(ctypes.util.find_library('c'))

if sys.platform == 'win32':
    standard_c_lib._errno.restype = ctypes.POINTER(ctypes.c_int)
    standard_c_lib._errno.argtypes = None

    def _where_is_errno():
        return standard_c_lib._errno()

elif sys.platform in ('linux', 'freebsd6'):
    standard_c_lib.__errno_location.restype = ctypes.POINTER(ctypes.c_int)
    standard_c_lib.__errno_location.argtypes = None

    def _where_is_errno():
        return standard_c_lib.__errno_location()

コード例 #2

ファイル: ctypes_support.py プロジェクト: BartoszCichecki/onlinepython

""" This file provides some support for things like standard_c_lib and
errno access, as portable as possible
"""

import ctypes
import ctypes.util
import sys

# __________ the standard C library __________

if sys.platform == 'win32':
    import _ffi
    standard_c_lib = ctypes.CDLL('msvcrt', handle=_ffi.get_libc())
elif sys.platform == 'cygwin':
    standard_c_lib = ctypes.CDLL(ctypes.util.find_library('cygwin'))
else:
    standard_c_lib = ctypes.CDLL(ctypes.util.find_library('c'))

if sys.platform == 'win32':
    standard_c_lib._errno.restype = ctypes.POINTER(ctypes.c_int)
    standard_c_lib._errno.argtypes = None
    def _where_is_errno():
        return standard_c_lib._errno()

elif sys.platform in ('linux2', 'freebsd6'):
    standard_c_lib.__errno_location.restype = ctypes.POINTER(ctypes.c_int)
    standard_c_lib.__errno_location.argtypes = None
    def _where_is_errno():
        return standard_c_lib.__errno_location()

elif sys.platform in ('darwin', 'freebsd7', 'freebsd8', 'freebsd9'):