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- markus@cvs.openbsd.org 2000/09/05 02:59:57 [session.c] print hostname (not hushlogin) - markus@cvs.openbsd.org 2000/09/05 13:18:48 [authfile.c ssh-add.c] enable ssh-add -d for DSA keys - markus@cvs.openbsd.org 2000/09/05 13:20:49 [sftp-server.c] cleanup - markus@cvs.openbsd.org 2000/09/06 03:46:41 [authfile.h] prototype - deraadt@cvs.openbsd.org 2000/09/07 14:27:56 [ALL] cleanup copyright notices on all files. I have attempted to be accurate with the details. everything is now under Tatu's licence (which I copied from his readme), and/or the core-sdi bsd-ish thing for deattack, or various openbsd developers under a 2-term bsd licence. We're not changing any rules, just being accurate. - markus@cvs.openbsd.org 2000/09/07 14:40:30 [channels.c channels.h clientloop.c serverloop.c ssh.c] cleanup window and packet sizes for ssh2 flow control; ok niels - markus@cvs.openbsd.org 2000/09/07 14:53:00 [scp.c] typo - markus@cvs.openbsd.org 2000/09/07 15:13:37 [auth-options.c auth-options.h auth-rh-rsa.c auth-rsa.c auth.c] [authfile.h canohost.c channels.h compat.c hostfile.h log.c match.h] [pty.c readconf.c] some more Copyright fixes - markus@cvs.openbsd.org 2000/09/08 03:02:51 [README.openssh2] bye bye - deraadt@cvs.openbsd.org 2000/09/11 18:38:33 [LICENCE cipher.c] a few more comments about it being ARC4 not RC4 - markus@cvs.openbsd.org 2000/09/12 14:53:11 [log-client.c log-server.c log.c ssh.1 ssh.c ssh.h sshd.8 sshd.c] multiple debug levels - markus@cvs.openbsd.org 2000/09/14 14:25:15 [clientloop.c] typo - deraadt@cvs.openbsd.org 2000/09/15 01:13:51 [ssh-agent.c] check return value for setenv(3) for failure, and deal appropriately
67 lines
2.3 KiB
C
67 lines
2.3 KiB
C
/*
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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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/* RCSID("$OpenBSD: buffer.h,v 1.6 2000/09/07 20:27:50 deraadt Exp $"); */
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#ifndef BUFFER_H
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#define BUFFER_H
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typedef struct {
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char *buf; /* Buffer for data. */
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unsigned int alloc; /* Number of bytes allocated for data. */
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unsigned int offset; /* Offset of first byte containing data. */
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unsigned int end; /* Offset of last byte containing data. */
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} Buffer;
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/* Initializes the buffer structure. */
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void buffer_init(Buffer * buffer);
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/* Frees any memory used for the buffer. */
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void buffer_free(Buffer * buffer);
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/* Clears any data from the buffer, making it empty. This does not actually
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zero the memory. */
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void buffer_clear(Buffer * buffer);
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/* Appends data to the buffer, expanding it if necessary. */
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void buffer_append(Buffer * buffer, const char *data, unsigned int len);
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/*
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* Appends space to the buffer, expanding the buffer if necessary. This does
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* not actually copy the data into the buffer, but instead returns a pointer
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* to the allocated region.
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*/
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void buffer_append_space(Buffer * buffer, char **datap, unsigned int len);
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/* Returns the number of bytes of data in the buffer. */
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unsigned int buffer_len(Buffer * buffer);
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/* Gets data from the beginning of the buffer. */
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void buffer_get(Buffer * buffer, char *buf, unsigned int len);
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/* Consumes the given number of bytes from the beginning of the buffer. */
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void buffer_consume(Buffer * buffer, unsigned int bytes);
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/* Consumes the given number of bytes from the end of the buffer. */
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void buffer_consume_end(Buffer * buffer, unsigned int bytes);
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/* Returns a pointer to the first used byte in the buffer. */
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char *buffer_ptr(Buffer * buffer);
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/*
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* Dumps the contents of the buffer to stderr in hex. This intended for
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* debugging purposes only.
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*/
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void buffer_dump(Buffer * buffer);
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#endif /* BUFFER_H */
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