def _unwrap_object(self, space, w_value): utf8, length = space.utf8_len_w(space.unicode_from_object(w_value)) if length != 1: raise oefmt(space.w_ValueError, "wchar_t expected, got string of size %d", length) with rffi.scoped_utf82wcharp(utf8, length) as u: value = rffi.cast(self.c_type, u[0]) return value
def ExpandEnvironmentStrings(source, unicode_len): with rffi.scoped_utf82wcharp(source, unicode_len) as src_buf: size = _ExpandEnvironmentStringsW(src_buf, lltype.nullptr(rffi.CWCHARP.TO), 0) if size == 0: raise rwin32.lastSavedWindowsError("ExpandEnvironmentStrings") size = intmask(size) with rffi.scoped_alloc_unicodebuffer(size) as dest_buf: if _ExpandEnvironmentStringsW(src_buf, dest_buf.raw, size) == 0: raise rwin32.lastSavedWindowsError("ExpandEnvironmentStrings") res = dest_buf.str(size - 1) # remove trailing \0 return res.encode('utf8'), len(res)
def dlopen_w(space, w_filename, flags): from pypy.module._cffi_backend.cdataobj import W_CData from pypy.module._cffi_backend import ctypeptr autoclose = True if isinstance(w_filename, W_CData): # 'flags' ignored in this case w_ctype = w_filename.ctype if (not isinstance(w_ctype, ctypeptr.W_CTypePointer) or not w_ctype.is_void_ptr): raise oefmt( space.w_TypeError, "dlopen() takes a file name or 'void *' handle, not '%s'", w_ctype.name) handle = w_filename.unsafe_escaping_ptr() if not handle: raise oefmt(space.w_RuntimeError, "cannot call dlopen(NULL)") fname = w_ctype.extra_repr(handle) handle = rffi.cast(DLLHANDLE, handle) autoclose = False # elif WIN32 and space.isinstance_w(w_filename, space.w_unicode): fname = space.text_w(space.repr(w_filename)) utf8_name = space.utf8_w(w_filename) uni_len = space.len_w(w_filename) with rffi.scoped_utf82wcharp(utf8_name, uni_len) as ll_libname: try: handle = dlopenU(ll_libname, flags) except DLOpenError as e: raise wrap_dlopenerror(space, e, fname) else: if space.is_none(w_filename): fname = None else: fname = space.fsencode_w(w_filename) with rffi.scoped_str2charp(fname) as ll_libname: if fname is None: fname = "<None>" try: handle = dlopen(ll_libname, flags) except DLOpenError as e: raise wrap_dlopenerror(space, e, fname) return fname, handle, autoclose
def opendir(path, lgt): if lgt == 0: path = '.' if path[-1] not in ('\\', '/', ':'): mask = path + '\\*.*' lgt += 4 else: mask = path + '*.*' lgt += 3 dirp = lltype.malloc(SCANDIRP.TO, flavor='raw') with rffi.scoped_utf82wcharp(mask, lgt) as src_buf: hFindFile = win32traits.FindFirstFile(src_buf, dirp.filedata) if hFindFile == rwin32.INVALID_HANDLE_VALUE: error = rwin32.GetLastError_saved() lltype.free(dirp, flavor='raw') raise WindowsError(error, "FindFirstFileW failed") dirp.hFindFile = hFindFile dirp.first_time = True return dirp
def dlopen_w(space, w_filename, flags): if WIN32 and space.isinstance_w(w_filename, space.w_unicode): fname = space.text_w(space.repr(w_filename)) utf8_name = space.utf8_w(w_filename) uni_len = space.len_w(w_filename) with rffi.scoped_utf82wcharp(utf8_name, uni_len) as ll_libname: try: handle = dlopenU(ll_libname, flags) except DLOpenError as e: raise wrap_dlopenerror(space, e, fname) else: if space.is_none(w_filename): fname = None else: fname = space.fsencode_w(w_filename) with rffi.scoped_str2charp(fname) as ll_libname: if fname is None: fname = "<None>" try: handle = dlopen(ll_libname, flags) except DLOpenError as e: raise wrap_dlopenerror(space, e, fname) return fname, handle