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aa846a75 RK |
1 | /* |
2 | * This file is part of DisOrder | |
3 | * Copyright (C) 2013 Richard Kettlewell | |
4 | * | |
5 | * This program is free software: you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation, either version 3 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
17 | */ | |
18 | /** @file lib/socketio.h | |
19 | * @brief Buffered socket I/O | |
20 | */ | |
21 | #ifndef SOCKETIO_H | |
22 | # define SOCKETIO_H | |
23 | ||
24 | #define SOCKETIO_BUFFER 4096 | |
25 | ||
26 | struct socketio { | |
27 | SOCKET sd; | |
28 | char *inputptr, *inputlimit; | |
29 | size_t outputused; | |
30 | int error; | |
31 | char input[SOCKETIO_BUFFER]; | |
32 | char output[SOCKETIO_BUFFER]; | |
33 | }; | |
34 | ||
35 | void socketio_init(struct socketio *sio, SOCKET sd); | |
36 | int socketio_write(struct socketio *sio, const void *buffer, size_t n); | |
37 | int socketio_getc(struct socketio *sio); | |
38 | int socketio_flush(struct socketio *sio); | |
39 | void socketio_close(struct socketio *sio); | |
40 | ||
41 | static inline int socketio_error(struct socketio *sio) { | |
42 | return sio->error > 0 ? sio->error : 0; | |
43 | } | |
44 | ||
45 | static inline int socketio_eof(struct socketio *sio) { | |
46 | return sio->error == -1; | |
47 | } | |
48 | ||
49 | #endif |