openssh-portable/bufaux.h

52 lines
1.6 KiB
C

/*
bufaux.h
Author: Tatu Ylonen <ylo@cs.hut.fi>
Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
All rights reserved
Created: Wed Mar 29 02:18:23 1995 ylo
*/
/* RCSID("$Id: bufaux.h,v 1.1 1999/10/27 03:42:43 damien Exp $"); */
#ifndef BUFAUX_H
#define BUFAUX_H
#include "buffer.h"
/* Stores an BIGNUM in the buffer with a 2-byte msb first bit count, followed
by (bits+7)/8 bytes of binary data, msb first. */
void buffer_put_bignum(Buffer *buffer, BIGNUM *value);
/* Retrieves an BIGNUM from the buffer. */
int buffer_get_bignum(Buffer *buffer, BIGNUM *value);
/* Returns an integer from the buffer (4 bytes, msb first). */
unsigned int buffer_get_int(Buffer *buffer);
/* Stores an integer in the buffer in 4 bytes, msb first. */
void buffer_put_int(Buffer *buffer, unsigned int value);
/* Returns a character from the buffer (0 - 255). */
int buffer_get_char(Buffer *buffer);
/* Stores a character in the buffer. */
void buffer_put_char(Buffer *buffer, int value);
/* Returns an arbitrary binary string from the buffer. The string cannot
be longer than 256k. The returned value points to memory allocated
with xmalloc; it is the responsibility of the calling function to free
the data. If length_ptr is non-NULL, the length of the returned data
will be stored there. A null character will be automatically appended
to the returned string, and is not counted in length. */
char *buffer_get_string(Buffer *buffer, unsigned int *length_ptr);
/* Stores and arbitrary binary string in the buffer. */
void buffer_put_string(Buffer *buffer, const void *buf, unsigned int len);
#endif /* BUFAUX_H */