openssh/buffer.h

44 lines
1.3 KiB
C

/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
* All rights reserved
* Code for manipulating FIFO buffers.
*
* As far as I am concerned, the code I have written for this software
* can be used freely for any purpose. Any derived versions of this
* software must be clearly marked as such, and if the derived work is
* incompatible with the protocol description in the RFC file, it must be
* called by a name other than "ssh" or "Secure Shell".
*/
/* RCSID("$OpenBSD: buffer.h,v 1.9 2001/06/26 17:27:23 markus Exp $"); */
#ifndef BUFFER_H
#define BUFFER_H
typedef struct {
char *buf; /* Buffer for data. */
u_int alloc; /* Number of bytes allocated for data. */
u_int offset; /* Offset of first byte containing data. */
u_int end; /* Offset of last byte containing data. */
} Buffer;
void buffer_init(Buffer *);
void buffer_clear(Buffer *);
void buffer_free(Buffer *);
u_int buffer_len(Buffer *);
char *buffer_ptr(Buffer *);
void buffer_append(Buffer *, const char *, u_int);
void buffer_append_space(Buffer *, char **, u_int);
void buffer_get(Buffer *, char *, u_int);
void buffer_consume(Buffer *, u_int);
void buffer_consume_end(Buffer *, u_int);
void buffer_dump(Buffer *);
#endif /* BUFFER_H */