| /******************************************************************************* |
| * Copyright (c) 2007 Wind River Systems, Inc. and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Wind River Systems - initial API and implementation |
| *******************************************************************************/ |
| |
| /* |
| * Abstract byte stream. Bytes in the stream can be divided into groups - messages. |
| */ |
| |
| #ifndef D_streams |
| #define D_streams |
| |
| /* |
| * MARKER_EOM - end of message |
| * MARKER_EOS - end of stream |
| */ |
| #define MARKER_EOM (-1) |
| #define MARKER_EOS (-2) |
| #define MARKER_NULL (-3) |
| |
| typedef struct OutputStream OutputStream; |
| |
| struct OutputStream { |
| void (*write)(OutputStream * stream, int byte); |
| void (*flush)(OutputStream * stream); |
| }; |
| |
| typedef struct InputStream InputStream; |
| |
| struct InputStream { |
| int (*read)(InputStream * stream); |
| int (*peek)(InputStream * stream); |
| }; |
| |
| extern void write_string(OutputStream * out, const char * str); |
| extern void write_stringz(OutputStream * out, const char * str); |
| |
| #endif |