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1 | /* | |
2 | * Author: Tatu Ylonen <ylo@cs.hut.fi> | |
3 | * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland | |
4 | * All rights reserved | |
5 | * Code for manipulating FIFO buffers. | |
6 | * | |
7 | * As far as I am concerned, the code I have written for this software | |
8 | * can be used freely for any purpose. Any derived versions of this | |
9 | * software must be clearly marked as such, and if the derived work is | |
10 | * incompatible with the protocol description in the RFC file, it must be | |
11 | * called by a name other than "ssh" or "Secure Shell". | |
12 | */ | |
13 | ||
14 | /* RCSID("$OpenBSD: buffer.h,v 1.9 2001/06/26 17:27:23 markus Exp $"); */ | |
15 | ||
16 | #ifndef BUFFER_H | |
17 | #define BUFFER_H | |
18 | ||
19 | typedef struct { | |
20 | char *buf; /* Buffer for data. */ | |
21 | u_int alloc; /* Number of bytes allocated for data. */ | |
22 | u_int offset; /* Offset of first byte containing data. */ | |
23 | u_int end; /* Offset of last byte containing data. */ | |
24 | } Buffer; | |
25 | ||
26 | void buffer_init(Buffer *); | |
27 | void buffer_clear(Buffer *); | |
28 | void buffer_free(Buffer *); | |
29 | ||
30 | u_int buffer_len(Buffer *); | |
31 | char *buffer_ptr(Buffer *); | |
32 | ||
33 | void buffer_append(Buffer *, const char *, u_int); | |
34 | void buffer_append_space(Buffer *, char **, u_int); | |
35 | ||
36 | void buffer_get(Buffer *, char *, u_int); | |
37 | ||
38 | void buffer_consume(Buffer *, u_int); | |
39 | void buffer_consume_end(Buffer *, u_int); | |
40 | ||
41 | void buffer_dump(Buffer *); | |
42 | ||
43 | #endif /* BUFFER_H */ |