1/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ 2/* dbus-pipe-win.c windows related pipe implementation 3 * 4 * Copyright (C) 2002, 2003, 2006 Red Hat, Inc. 5 * Copyright (C) 2003 CodeFactory AB 6 * 7 * Licensed under the Academic Free License version 2.1 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 22 * 23 */ 24 25#include <config.h> 26#include "dbus-protocol.h" 27#include "dbus-string.h" 28#include "dbus-internals.h" 29#include "dbus-pipe.h" 30 31#include <windows.h> 32 33/** 34 * write data to a pipe. 35 * 36 * @param pipe the pipe instance 37 * @param buffer the buffer to write data from 38 * @param start the first byte in the buffer to write 39 * @param len the number of bytes to try to write 40 * @param error error return 41 * @returns the number of bytes written or -1 on error 42 */ 43int 44_dbus_pipe_write (DBusPipe *pipe, 45 const DBusString *buffer, 46 int start, 47 int len, 48 DBusError *error) 49{ 50 DWORD written; 51 BOOL res; 52 53 const char *buffer_c = _dbus_string_get_const_data (buffer); 54 55 res = WriteFile ((HANDLE) pipe->fd_or_handle, buffer_c + start, len, &written, NULL); 56 if (res == 0 || written < 0) 57 { 58 dbus_set_error (error, DBUS_ERROR_FAILED, 59 "Writing to pipe: %s\n", 60 _dbus_strerror_from_errno ()); 61 } 62 return written; 63} 64 65/** 66 * close a pipe. 67 * 68 * @param pipe the pipe instance 69 * @param error return location for an error 70 * @returns #FALSE if error is set 71 */ 72int 73_dbus_pipe_close (DBusPipe *pipe, 74 DBusError *error) 75{ 76 _DBUS_ASSERT_ERROR_IS_CLEAR (error); 77 78 if (CloseHandle ((HANDLE) pipe->fd_or_handle) == 0) 79 { 80 dbus_set_error (error, _dbus_error_from_system_errno (), 81 "Could not close pipe %d: %s", pipe->fd_or_handle, 82 _dbus_strerror_from_errno ()); 83 return -1; 84 } 85 else 86 { 87 _dbus_pipe_invalidate (pipe); 88 return 0; 89 } 90} 91