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- markus@cvs.openbsd.org 2000/06/18 18:50:11 [auth2.c compat.c compat.h sshconnect2.c] make userauth+pubkey interop with ssh.com-2.2.0 - markus@cvs.openbsd.org 2000/06/18 20:56:17 [dsa.c] mem leak + be more paranoid in dsa_verify. - markus@cvs.openbsd.org 2000/06/18 21:29:50 [key.c] cleanup fingerprinting, less hardcoded sizes - markus@cvs.openbsd.org 2000/06/19 19:39:45 [atomicio.c auth-options.c auth-passwd.c auth-rh-rsa.c auth-rhosts.c] [auth-rsa.c auth-skey.c authfd.c authfd.h authfile.c bufaux.c bufaux.h] [buffer.c buffer.h canohost.c channels.c channels.h cipher.c cipher.h] [clientloop.c compat.c compat.h compress.c compress.h crc32.c crc32.h] [deattack.c dispatch.c dsa.c fingerprint.c fingerprint.h getput.h hmac.c] [kex.c log-client.c log-server.c login.c match.c mpaux.c mpaux.h nchan.c] [nchan.h packet.c packet.h pty.c pty.h readconf.c readconf.h readpass.c] [rsa.c rsa.h scp.c servconf.c servconf.h ssh-add.c ssh-keygen.c ssh.c] [ssh.h tildexpand.c ttymodes.c ttymodes.h uidswap.c xmalloc.c xmalloc.h] OpenBSD tag - markus@cvs.openbsd.org 2000/06/21 10:46:10 sshconnect2.c missing free; nuke old comment
69 lines
2.1 KiB
C
69 lines
2.1 KiB
C
/*
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*
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* buffer.h
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*
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* Author: Tatu Ylonen <ylo@cs.hut.fi>
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*
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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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*
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* Created: Sat Mar 18 04:12:25 1995 ylo
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*
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* Code for manipulating FIFO buffers.
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*
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*/
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/* RCSID("$OpenBSD: buffer.h,v 1.5 2000/06/20 01:39:39 markus 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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