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51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
/* $OpenBSD: buffer.h,v 1.13 2005/03/14 11:46:56 markus Exp $ */
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/*
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* Author: Tatu Ylonen <ylo@cs.hut.fi>
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* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
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* All rights reserved
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* Code for manipulating FIFO buffers.
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*
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* As far as I am concerned, the code I have written for this software
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* can be used freely for any purpose. Any derived versions of this
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* software must be clearly marked as such, and if the derived work is
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* incompatible with the protocol description in the RFC file, it must be
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* called by a name other than "ssh" or "Secure Shell".
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*/
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#ifndef BUFFER_H
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#define BUFFER_H
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typedef struct {
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u_char *buf; /* Buffer for data. */
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u_int alloc; /* Number of bytes allocated for data. */
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u_int offset; /* Offset of first byte containing data. */
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u_int end; /* Offset of last byte containing data. */
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} Buffer;
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#define BUFFER_MAX_CHUNK 0x100000
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#define BUFFER_MAX_LEN 0xa00000
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void buffer_init(Buffer *);
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void buffer_clear(Buffer *);
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void buffer_free(Buffer *);
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u_int buffer_len(Buffer *);
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void *buffer_ptr(Buffer *);
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void buffer_append(Buffer *, const void *, u_int);
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void *buffer_append_space(Buffer *, u_int);
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void buffer_get(Buffer *, void *, u_int);
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void buffer_consume(Buffer *, u_int);
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void buffer_consume_end(Buffer *, u_int);
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void buffer_dump(Buffer *);
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int buffer_get_ret(Buffer *, void *, u_int);
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int buffer_consume_ret(Buffer *, u_int);
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int buffer_consume_end_ret(Buffer *, u_int);
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#endif /* BUFFER_H */
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