Ralf Habacker | 8a4429f | 2009-12-18 16:54:44 +0100 | [diff] [blame] | 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 "dbus-protocol.h" |
| 26 | #include "dbus-string.h" |
| 27 | #include "dbus-internals.h" |
| 28 | #include "dbus-pipe.h" |
| 29 | |
| 30 | #include <io.h> |
Marcus Brinkmann | 57601bf | 2010-01-15 17:53:43 +0100 | [diff] [blame] | 31 | #include <errno.h> |
Ralf Habacker | 8a4429f | 2009-12-18 16:54:44 +0100 | [diff] [blame] | 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 | */ |
| 43 | int |
| 44 | _dbus_pipe_write (DBusPipe *pipe, |
| 45 | const DBusString *buffer, |
| 46 | int start, |
| 47 | int len, |
| 48 | DBusError *error) |
| 49 | { |
| 50 | int written; |
| 51 | const char *buffer_c = _dbus_string_get_const_data (buffer); |
| 52 | |
| 53 | written = _write (pipe->fd_or_handle, buffer_c + start, len); |
| 54 | if (written < 0) |
| 55 | { |
| 56 | dbus_set_error (error, DBUS_ERROR_FAILED, |
| 57 | "Writing to pipe: %s\n", |
| 58 | strerror (errno)); |
| 59 | } |
| 60 | return written; |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * close a pipe. |
| 65 | * |
| 66 | * @param pipe the pipe instance |
| 67 | * @param error return location for an error |
| 68 | * @returns #FALSE if error is set |
| 69 | */ |
| 70 | int |
| 71 | _dbus_pipe_close (DBusPipe *pipe, |
| 72 | DBusError *error) |
| 73 | { |
| 74 | _DBUS_ASSERT_ERROR_IS_CLEAR (error); |
| 75 | |
| 76 | if (_close (pipe->fd_or_handle) < 0) |
| 77 | { |
| 78 | dbus_set_error (error, _dbus_error_from_errno (errno), |
| 79 | "Could not close pipe %d: %s", pipe->fd_or_handle, strerror (errno)); |
| 80 | return -1; |
| 81 | } |
| 82 | else |
| 83 | { |
| 84 | _dbus_pipe_invalidate (pipe); |
| 85 | return 0; |
| 86 | } |
| 87 | } |