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Python ctypes.create_string_buffer方法代码示例

本文整理汇总了Python中ctypes.create_string_buffer方法的典型用法代码示例。如果您正苦于以下问题:Python ctypes.create_string_buffer方法的具体用法?Python ctypes.create_string_buffer怎么用?Python ctypes.create_string_buffer使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在模块ctypes的用法示例。

在下文中一共展示了ctypes.create_string_buffer方法的26个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Python代码示例。

示例1: _get_terminal_size

# 需要导入模块: import ctypes [as 别名]
# 或者: from ctypes import create_string_buffer [as 别名]
def _get_terminal_size(fd):
        columns = lines = 0

        try:
            handle = _handles[fd]
            csbi = create_string_buffer(22)
            res = windll.kernel32.GetConsoleScreenBufferInfo(handle, csbi)
            if res:
                res = struct.unpack("hhhhHhhhhhh", csbi.raw)
                left, top, right, bottom = res[5:9]
                columns = right - left + 1
                lines = bottom - top + 1
        except Exception:
            pass

        return terminal_size(columns, lines) 
开发者ID:kislyuk,项目名称:aegea,代码行数:18,代码来源:shutil_get_terminal_size.py


示例2: lcs

# 需要导入模块: import ctypes [as 别名]
# 或者: from ctypes import create_string_buffer [as 别名]
def lcs(s, t):
    """
        Calculate the longest common subsequence between two sequences in O(min(len(x), len(y))) space and O(len(x) * len(y)) time.
        Implemented in C++.
        Since only one instance from the set of longest common subsequences is returned,
        the algorithm has the unpleasing property of not being commutative (i.e., changing
        the input vectors changes the result).
        :see: https://en.wikipedia.org/wiki/Hirschberg%27s_algorithm
        :param x: First input sequence.
        :param y: Second input sequence.
        :return: LCS(x, y)
    """
    result = create_string_buffer("\0" * min(len(s), len(t)))
    result_len = c_size_t(len(result))
    if isinstance(s, list):
        s = "".join(s)
    if isinstance(t, list):
        t = "".join(t)
    ret = _lib.hirschberg_lcs(s, len(s), t, len(t), result, byref(result_len))
    if ret == 0:
        return result[:result_len.value]
    else:
        raise RuntimeError("lcs returned error code %d" % ret) 
开发者ID:Cisco-Talos,项目名称:BASS,代码行数:25,代码来源:lcs.py


示例3: hamming_klcs

# 需要导入模块: import ctypes [as 别名]
# 或者: from ctypes import create_string_buffer [as 别名]
def hamming_klcs(seqs):
    """
        Implementation of k-LCS as described in Christian Blichmann's thesis "Automatisierte Signaturgenerierung fuer Malware-Staemme" on page 52.
        This algorithm will not forcibly find THE longest common subsequence among all sequences, as the subsequence returned by the 2-LCS algorithm
        might not be the optimal one from the set of longest common subsequences.
        :see: https://static.googleusercontent.com/media/www.zynamics.com/en//downloads/blichmann-christian--diplomarbeit--final.pdf
        :param seqs: List of sequences
        :return: A shared subsequence between the input sequences. Not necessarily the longest one, and only one of several that might exist.
    """
    c_seqs_type = c_char_p * len(seqs)
    c_seqs = c_seqs_type()
    c_seqs[:] = seqs
    c_lens_type = c_size_t * len(seqs)
    c_lens = c_lens_type()
    c_lens[:] = [len(seq) for seq in seqs]
    result = create_string_buffer("\0" * min(len(seq) for seq in seqs))
    result_len = c_size_t(len(result))
    ret = _lib.hamming_klcs_c(c_seqs, c_lens, len(seqs), result, byref(result_len))
    if ret == 0:
        return result[:result_len.value]
    else:
        raise RuntimeError("lcs returned error code %d" % ret) 
开发者ID:Cisco-Talos,项目名称:BASS,代码行数:24,代码来源:lcs.py


示例4: _cf_string_to_unicode

# 需要导入模块: import ctypes [as 别名]
# 或者: from ctypes import create_string_buffer [as 别名]
def _cf_string_to_unicode(value):
    """
    Creates a Unicode string from a CFString object. Used entirely for error
    reporting.

    Yes, it annoys me quite a lot that this function is this complex.
    """
    value_as_void_p = ctypes.cast(value, ctypes.POINTER(ctypes.c_void_p))

    string = CoreFoundation.CFStringGetCStringPtr(
        value_as_void_p, CFConst.kCFStringEncodingUTF8
    )
    if string is None:
        buffer = ctypes.create_string_buffer(1024)
        result = CoreFoundation.CFStringGetCString(
            value_as_void_p, buffer, 1024, CFConst.kCFStringEncodingUTF8
        )
        if not result:
            raise OSError("Error copying C string from CFStringRef")
        string = buffer.value
    if string is not None:
        string = string.decode("utf-8")
    return string 
开发者ID:remg427,项目名称:misp42splunk,代码行数:25,代码来源:low_level.py


示例5: info

# 需要导入模块: import ctypes [as 别名]
# 或者: from ctypes import create_string_buffer [as 别名]
def info(self):
        """
        Returns a dictionary of video frame info
        """
        if self._frame_info is not None:
            return self._frame_info
        frame = self._get_pdraw_video_frame()
        if not frame:
            return self._frame_info
        # convert the binary metadata into json
        self._frame_info = {}
        jsonbuf = ctypes.create_string_buffer(4096)
        res = od.pdraw_video_frame_to_json_str(
            frame, jsonbuf, ctypes.sizeof(jsonbuf))
        if res < 0:
            self.logger.error(
                'pdraw_frame_metadata_to_json returned error {}'.format(res))
        else:
            self._frame_info = json.loads(str(jsonbuf.value, encoding="utf-8"))
        return self._frame_info 
开发者ID:Parrot-Developers,项目名称:olympe,代码行数:22,代码来源:pdraw.py


示例6: getChannelData_Name

# 需要导入模块: import ctypes [as 别名]
# 或者: from ctypes import create_string_buffer [as 别名]
def getChannelData_Name(self, channel):
        """Get the product name.
        Retrieves the product name of the device connected to channel. The name
        is returned as an ASCII string.
        Args:
            channel (int): The channel you are interested in
        Returns:
            name (string): The product name
        """
        self.fn = inspect.currentframe().f_code.co_name
        name = ct.create_string_buffer(80)
        self.dll.canGetChannelData(channel,
                                   canCHANNELDATA_DEVDESCR_ASCII,
                                   ct.byref(name), ct.sizeof(name))
        buf_type = ct.c_uint * 1
        buf = buf_type()
        self.dll.canGetChannelData(channel,
                                   canCHANNELDATA_CHAN_NO_ON_CARD,
                                   ct.byref(buf), ct.sizeof(buf))
        return "%s (channel %d)" % (name.value, buf[0]) 
开发者ID:diyjac,项目名称:Udacity-SDC-Radar-Driver-Micro-Challenge,代码行数:22,代码来源:canlib.py


示例7: getChannelData_DriverName

# 需要导入模块: import ctypes [as 别名]
# 或者: from ctypes import create_string_buffer [as 别名]
def getChannelData_DriverName(self, channel):
        """Get device driver name
        Retrieves the name of the device driver (e.g. "kcany") for the device
        connected to channel. The device driver names have no special meanings
        and may change from a release to another.
        Args:
            channel (int): The channel you are interested in
        Returns:
            name (str): The device driver name
        """
        self.fn = inspect.currentframe().f_code.co_name
        name = ct.create_string_buffer(80)
        self.dll.canGetChannelData(channel,
                                   canCHANNELDATA_DRIVER_NAME,
                                   ct.byref(name), ct.sizeof(name))
        return name.value 
开发者ID:diyjac,项目名称:Udacity-SDC-Radar-Driver-Micro-Challenge,代码行数:18,代码来源:canlib.py


示例8: _get_terminal_size_windows

# 需要导入模块: import ctypes [as 别名]
# 或者: from ctypes import create_string_buffer [as 别名]
def _get_terminal_size_windows():
    try:
        from ctypes import windll, create_string_buffer
        # stdin handle is -10
        # stdout handle is -11
        # stderr handle is -12
        h = windll.kernel32.GetStdHandle(-12)
        csbi = create_string_buffer(22)
        res = windll.kernel32.GetConsoleScreenBufferInfo(h, csbi)
        if res:
            (bufx, bufy, curx, cury, wattr,
             left, top, right, bottom,
             maxx, maxy) = struct.unpack("hhhhHhhhhhh", csbi.raw)
            sizex = right - left + 1
            sizey = bottom - top + 1
            return sizex, sizey
    except:
        pass 
开发者ID:aaronjanse,项目名称:asciidots,代码行数:20,代码来源:terminalsize.py


示例9: _createShader

# 需要导入模块: import ctypes [as 别名]
# 或者: from ctypes import create_string_buffer [as 别名]
def _createShader(self, strings, shadertype):

        # create the shader handle
        shader = gl.glCreateShader(shadertype)

        # convert the source strings into a ctypes pointer-to-char array, and upload them
        # this is deep, dark, dangerous black magick - don't try stuff like this at home!
        strings = tuple(s.encode('ascii') for s in strings)  # Nick added, for python3
        src = (c_char_p * len(strings))(*strings)
        gl.glShaderSource(shader, len(strings), cast(pointer(src), POINTER(POINTER(c_char))), None)
        # compile the shader
        gl.glCompileShader(shader)

        # retrieve the compile status
        compile_success = c_int(0)
        gl.glGetShaderiv(shader, gl.GL_COMPILE_STATUS, byref(compile_success))

        # if compilation failed, print the log
        if compile_success:
            gl.glAttachShader(self.id, shader)
        else:
            gl.glGetShaderiv(shader, gl.GL_INFO_LOG_LENGTH, byref(compile_success))  # retrieve the log length
            buffer = create_string_buffer(compile_success.value)  # create a buffer for the log
            gl.glGetShaderInfoLog(shader, compile_success, None, buffer)  # retrieve the log text
            print(buffer.value)  # print the log to the console 
开发者ID:ratcave,项目名称:ratcave,代码行数:27,代码来源:shader.py


示例10: link

# 需要导入模块: import ctypes [as 别名]
# 或者: from ctypes import create_string_buffer [as 别名]
def link(self):
        """link the program, making it the active shader.

        .. note:: Shader.bind() is preferred here, because link() Requires the Shader to be compiled already.
        """
        gl.glLinkProgram(self.id)

        # Check if linking was successful.  If not, print the log.
        link_status = c_int(0)
        gl.glGetProgramiv(self.id, gl.GL_LINK_STATUS, byref(link_status))
        if not link_status:
            gl.glGetProgramiv(self.id, gl.GL_INFO_LOG_LENGTH, byref(link_status))  # retrieve the log length
            buffer = create_string_buffer(link_status.value)  # create a buffer for the log
            gl.glGetProgramInfoLog(self.id, link_status, None, buffer)  # retrieve the log text
            print(buffer.value)  # print the log to the console

        self.is_linked = True 
开发者ID:ratcave,项目名称:ratcave,代码行数:19,代码来源:shader.py


示例11: enable_debug_privilege

# 需要导入模块: import ctypes [as 别名]
# 或者: from ctypes import create_string_buffer [as 别名]
def enable_debug_privilege():
    """
    Try to assign the symlink privilege to the current process token.
    Return True if the assignment is successful.
    """
    # create a space in memory for a TOKEN_PRIVILEGES structure
    #  with one element
    size = ctypes.sizeof(TOKEN_PRIVILEGES)
    size += ctypes.sizeof(LUID_AND_ATTRIBUTES)
    buffer = ctypes.create_string_buffer(size)
    tp = ctypes.cast(buffer, ctypes.POINTER(TOKEN_PRIVILEGES)).contents
    tp.count = 1
    tp.get_array()[0].enable()
    tp.get_array()[0].LUID = get_debug_luid()
    token = get_process_token()
    res = AdjustTokenPrivileges(token, False, tp, 0, None, None)
    if res == 0:
        raise RuntimeError("Error in AdjustTokenPrivileges")

    ERROR_NOT_ALL_ASSIGNED = 1300
    return ctypes.windll.kernel32.GetLastError() != ERROR_NOT_ALL_ASSIGNED 
开发者ID:skelsec,项目名称:minidump,代码行数:23,代码来源:privileges.py


示例12: readbytes

# 需要导入模块: import ctypes [as 别名]
# 或者: from ctypes import create_string_buffer [as 别名]
def readbytes(self, length, max_speed_hz=0, bits_per_word=0, delay=0):
        """Perform half-duplex SPI read as a binary string
        """
        receive_buffer = create_string_buffer(length)
        spi_ioc_transfer = struct.pack(
            SPI._IOC_TRANSFER_FORMAT,
            0,
            addressof(receive_buffer),
            length,
            max_speed_hz,
            delay,
            bits_per_word,
            0,
            0,
            0,
            0,
        )
        ioctl(self.handle, SPI._IOC_MESSAGE, spi_ioc_transfer)
        return string_at(receive_buffer, length) 
开发者ID:adafruit,项目名称:Adafruit_Python_PureIO,代码行数:21,代码来源:spi.py


示例13: _get_terminal_size_windows

# 需要导入模块: import ctypes [as 别名]
# 或者: from ctypes import create_string_buffer [as 别名]
def _get_terminal_size_windows():

    try:
        from ctypes import windll, create_string_buffer

        # stdin handle is -10
        # stdout handle is -11
        # stderr handle is -12

        h = windll.kernel32.GetStdHandle(-12)
        csbi = create_string_buffer(22)
        res = windll.kernel32.GetConsoleScreenBufferInfo(h, csbi)
    except (AttributeError, ValueError):
        return None
    if res:
        import struct
        (bufx, bufy, curx, cury, wattr, left, top, right, bottom, maxx,
         maxy) = struct.unpack("hhhhHhhhhhh", csbi.raw)
        sizex = right - left + 1
        sizey = bottom - top + 1
        return sizex, sizey
    else:
        return None 
开发者ID:Frank-qlu,项目名称:recruit,代码行数:25,代码来源:terminal.py


示例14: process_data

# 需要导入模块: import ctypes [as 别名]
# 或者: from ctypes import create_string_buffer [as 别名]
def process_data(self, indata, key, is_enc=True):
        is_enc = self.ENCRYPT if is_enc else self.DECRYPT
        length = len(indata)

        indata = ctypes.create_string_buffer(indata, length)
        outdata = ctypes.create_string_buffer(length)
        n = ctypes.c_int(0)
        key = DES_cblock(*tuple(key))
        key_schedule = DES_key_schedule()
        self.libcrypto.DES_set_odd_parity(key)
        self.libcrypto.DES_set_key_checked(
            ctypes.byref(key), ctypes.byref(key_schedule))

        self.libcrypto.DES_cfb64_encrypt(
            ctypes.byref(indata), ctypes.byref(outdata), ctypes.c_int(length),
            ctypes.byref(key_schedule), ctypes.byref(key), ctypes.byref(n),
            ctypes.c_int(is_enc))

        return outdata.raw 
开发者ID:realityone,项目名称:libcet,代码行数:21,代码来源:cet.py


示例15: verify

# 需要导入模块: import ctypes [as 别名]
# 或者: from ctypes import create_string_buffer [as 别名]
def verify(self, hash, sig): # pylint: disable=redefined-builtin
        """Verify a DER signature"""
        if not sig:
          return False

        # New versions of OpenSSL will reject non-canonical DER signatures. de/re-serialize first.
        norm_sig = ctypes.c_void_p(0)
        _ssl.d2i_ECDSA_SIG(ctypes.byref(norm_sig), ctypes.byref(ctypes.c_char_p(sig)), len(sig))

        derlen = _ssl.i2d_ECDSA_SIG(norm_sig, 0)
        if derlen == 0:
            _ssl.ECDSA_SIG_free(norm_sig)
            return False

        norm_der = ctypes.create_string_buffer(derlen)
        _ssl.i2d_ECDSA_SIG(norm_sig, ctypes.byref(ctypes.pointer(norm_der)))
        _ssl.ECDSA_SIG_free(norm_sig)

        # -1 = error, 0 = bad sig, 1 = good
        return _ssl.ECDSA_verify(0, hash, len(hash), norm_der, derlen, self.k) == 1 
开发者ID:petertodd,项目名称:checklocktimeverify-demos,代码行数:22,代码来源:key.py


示例16: GetWindowTextA

# 需要导入模块: import ctypes [as 别名]
# 或者: from ctypes import create_string_buffer [as 别名]
def GetWindowTextA(hWnd):
    _GetWindowTextA = windll.user32.GetWindowTextA
    _GetWindowTextA.argtypes = [HWND, LPSTR, ctypes.c_int]
    _GetWindowTextA.restype = ctypes.c_int

    nMaxCount = 0x1000
    dwCharSize = sizeof(CHAR)
    while 1:
        lpString = ctypes.create_string_buffer(nMaxCount)
        nCount = _GetWindowTextA(hWnd, lpString, nMaxCount)
        if nCount == 0:
            raise ctypes.WinError()
        if nCount < nMaxCount - dwCharSize:
            break
        nMaxCount += 0x1000
    return str(lpString.value) 
开发者ID:cb109,项目名称:sublime3dsmax,代码行数:18,代码来源:winapi.py


示例17: GetWindowTextW

# 需要导入模块: import ctypes [as 别名]
# 或者: from ctypes import create_string_buffer [as 别名]
def GetWindowTextW(hWnd):
    _GetWindowTextW = windll.user32.GetWindowTextW
    _GetWindowTextW.argtypes = [HWND, LPWSTR, ctypes.c_int]
    _GetWindowTextW.restype = ctypes.c_int

    nMaxCount = 0x1000
    dwCharSize = sizeof(CHAR)
    while 1:
        lpString = ctypes.create_string_buffer(nMaxCount)
        nCount = _GetWindowTextW(hWnd, lpString, nMaxCount)
        if nCount == 0:
            raise ctypes.WinError()
        if nCount < nMaxCount - dwCharSize:
            break
        nMaxCount += 0x1000
    return str(lpString.value) 
开发者ID:cb109,项目名称:sublime3dsmax,代码行数:18,代码来源:winapi.py


示例18: GetClassNameA

# 需要导入模块: import ctypes [as 别名]
# 或者: from ctypes import create_string_buffer [as 别名]
def GetClassNameA(hWnd):
    _GetClassNameA = windll.user32.GetClassNameA
    _GetClassNameA.argtypes = [HWND, LPSTR, ctypes.c_int]
    _GetClassNameA.restype = ctypes.c_int

    nMaxCount = 0x1000
    dwCharSize = sizeof(CHAR)
    while 1:
        lpClassName = ctypes.create_string_buffer(nMaxCount)
        nCount = _GetClassNameA(hWnd, lpClassName, nMaxCount)
        if nCount == 0:
            raise ctypes.WinError()
        if nCount < nMaxCount - dwCharSize:
            break
        nMaxCount += 0x1000
    return str(lpClassName.value) 
开发者ID:cb109,项目名称:sublime3dsmax,代码行数:18,代码来源:winapi.py


示例19: get_curr_window

# 需要导入模块: import ctypes [as 别名]
# 或者: from ctypes import create_string_buffer [as 别名]
def get_curr_window():
		user32 = ctypes.windll.user32
		kernel32 = ctypes.windll.kernel32
		hwnd = user32.GetForegroundWindow()
		pid = ctypes.c_ulong(0)
		user32.GetWindowThreadProcessId(hwnd, ctypes.byref(pid))
		process_id = "%d" % pid.value
		executable = ctypes.create_string_buffer(512)
		h_process = kernel32.OpenProcess(0x400 | 0x10, False, pid)
		ctypes.windll.psapi.GetModuleBaseNameA(h_process, None, ctypes.byref(executable), 512)
		window_title = ctypes.create_string_buffer(512)
		length = user32.GetWindowTextA(hwnd, ctypes.byref(window_title), 512)
		pid_info = "\n[ PID %s - %s - %s ]" % (process_id, executable.value, window_title.value)
		kernel32.CloseHandle(hwnd)
		kernel32.CloseHandle(h_process)
		return pid_info 
开发者ID:mvrozanti,项目名称:RAT-via-Telegram,代码行数:18,代码来源:RATAttack.py


示例20: _get_terminal_size_windows

# 需要导入模块: import ctypes [as 别名]
# 或者: from ctypes import create_string_buffer [as 别名]
def _get_terminal_size_windows(self):
        try:
            from ctypes import windll, create_string_buffer

            # stdin handle is -10
            # stdout handle is -11
            # stderr handle is -12
            h = windll.kernel32.GetStdHandle(-12)
            csbi = create_string_buffer(22)
            res = windll.kernel32.GetConsoleScreenBufferInfo(h, csbi)
            if res:
                (
                    bufx,
                    bufy,
                    curx,
                    cury,
                    wattr,
                    left,
                    top,
                    right,
                    bottom,
                    maxx,
                    maxy,
                ) = struct.unpack("hhhhHhhhhhh", csbi.raw)
                sizex = right - left + 1
                sizey = bottom - top + 1
                return sizex, sizey
        except:
            pass 
开发者ID:sdispater,项目名称:clikit,代码行数:31,代码来源:terminal.py


示例21: buffer_from_bytes

# 需要导入模块: import ctypes [as 别名]
# 或者: from ctypes import create_string_buffer [as 别名]
def buffer_from_bytes(initializer):
        return ctypes.create_string_buffer(initializer) 
开发者ID:wbond,项目名称:oscrypto,代码行数:4,代码来源:_ffi.py


示例22: siesta_hsx_read

# 需要导入模块: import ctypes [as 别名]
# 或者: from ctypes import create_string_buffer [as 别名]
def siesta_hsx_read(fname, force_gamma=None): 

  fname = create_string_buffer(fname.encode())
  if force_gamma is None: 
    ft = c_int64(-1)
  elif force_gamma: 
    ft = c_int64(1)
  elif not force_gamma: 
    ft = c_int64(2)
  
  bufsize, row_ptr_size, col_ind_size = c_int64(), c_int64(), c_int64()
  libnao.siesta_hsx_size(fname, ft, bufsize, row_ptr_size, col_ind_size)
  if bufsize.value<=0 or row_ptr_size.value <= 0 or col_ind_size.value <= 0: return None
  
  dat = empty(bufsize.value, dtype=np.float32)
  dimensions = empty(4, dtype=np.int64)
  row_ptr = empty(row_ptr_size.value, dtype=np.int64)
  col_ind = empty(col_ind_size.value, dtype=np.int64)

  libnao.siesta_hsx_read(fname, ft, dat.ctypes.data_as(POINTER(c_float)),
      row_ptr.ctypes.data_as(POINTER(c_int64)), row_ptr_size,
      col_ind.ctypes.data_as(POINTER(c_int64)), col_ind_size,
      dimensions.ctypes.data_as(POINTER(c_int64)))
  return dat, row_ptr, col_ind, dimensions

#
#
# 
开发者ID:pyscf,项目名称:pyscf,代码行数:30,代码来源:m_siesta_hsx.py


示例23: siesta_wfsx_book_read_py

# 需要导入模块: import ctypes [as 别名]
# 或者: from ctypes import create_string_buffer [as 别名]
def siesta_wfsx_book_read_py(fname, nreim):
  """ Creates buffer for integer data from .WFSX files """
  name = create_string_buffer(fname.encode())
  bufsize = c_int64(-999)
  ios = c_int64(22)
  libnao.siesta_wfsx_book_size(name, c_int64(nreim), bufsize, ios)
  if ios.value!=0 : return None
  idat = empty(bufsize.value, dtype=np.int64)
  libnao.siesta_wfsx_book_read(name, c_int64(nreim), idat.ctypes.data_as(POINTER(c_int64)), ios)
  if ios.value!=0 : return None
  return idat

#
#
# 
开发者ID:pyscf,项目名称:pyscf,代码行数:17,代码来源:m_siesta_wfsx.py


示例24: siesta_wfsx_dread

# 需要导入模块: import ctypes [as 别名]
# 或者: from ctypes import create_string_buffer [as 别名]
def siesta_wfsx_dread(w, nreim):
  ddata = empty(w.nkpoints*w.nspin*w.norbs + + w.nkpoints*3)
  ios = c_int64(-999)
  libnao.siesta_wfsx_dread(create_string_buffer(w.fname.encode()), c_int64(nreim), ddata.ctypes.data_as(POINTER(c_double)), ios)
  if ios.value!=0 : raise RuntimeError('ios!=0 %d'%(ios.value))
  return ddata

#
#
# 
开发者ID:pyscf,项目名称:pyscf,代码行数:12,代码来源:m_siesta_wfsx.py


示例25: siesta_wfsx_sread

# 需要导入模块: import ctypes [as 别名]
# 或者: from ctypes import create_string_buffer [as 别名]
def siesta_wfsx_sread(w, sdata, nreim):
  name = create_string_buffer(w.fname.encode())
  bufsize = w.nkpoints*w.nspin*w.norbs**2*w.nreim
  ios = c_int64(-999)
  libnao.siesta_wfsx_sread(name, c_int64(nreim), sdata.ctypes.data_as(POINTER(c_float)), ios)
  if ios.value!=0 : raise RuntimeError('ios!=0 %d'%(ios.value)) 
开发者ID:pyscf,项目名称:pyscf,代码行数:8,代码来源:m_siesta_wfsx.py


示例26: _cf_string_to_unicode

# 需要导入模块: import ctypes [as 别名]
# 或者: from ctypes import create_string_buffer [as 别名]
def _cf_string_to_unicode(value):
    """
    Creates a Unicode string from a CFString object. Used entirely for error
    reporting.

    Yes, it annoys me quite a lot that this function is this complex.
    """
    value_as_void_p = ctypes.cast(value, ctypes.POINTER(ctypes.c_void_p))

    string = CoreFoundation.CFStringGetCStringPtr(
        value_as_void_p,
        CFConst.kCFStringEncodingUTF8
    )
    if string is None:
        buffer = ctypes.create_string_buffer(1024)
        result = CoreFoundation.CFStringGetCString(
            value_as_void_p,
            buffer,
            1024,
            CFConst.kCFStringEncodingUTF8
        )
        if not result:
            raise OSError('Error copying C string from CFStringRef')
        string = buffer.value
    if string is not None:
        string = string.decode('utf-8')
    return string 
开发者ID:danielecook,项目名称:gist-alfred,代码行数:29,代码来源:low_level.py



注:本文中的ctypes.create_string_buffer方法示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。