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Diffstat (limited to 'secure/usr.bin/telnet/ring.h')
-rw-r--r-- | secure/usr.bin/telnet/ring.h | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/secure/usr.bin/telnet/ring.h b/secure/usr.bin/telnet/ring.h deleted file mode 100644 index 2a36781..0000000 --- a/secure/usr.bin/telnet/ring.h +++ /dev/null @@ -1,105 +0,0 @@ -/* - * Copyright (c) 1988, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)ring.h 8.1 (Berkeley) 6/6/93 - */ - -#if defined(P) -# undef P -#endif - -#if defined(__STDC__) || defined(LINT_ARGS) -# define P(x) x -#else -# define P(x) () -#endif - -/* - * This defines a structure for a ring buffer. - * - * The circular buffer has two parts: - *((( - * full: [consume, supply) - * empty: [supply, consume) - *]]] - * - */ -typedef struct { - unsigned char *consume, /* where data comes out of */ - *supply, /* where data comes in to */ - *bottom, /* lowest address in buffer */ - *top, /* highest address+1 in buffer */ - *mark; /* marker (user defined) */ -#ifdef ENCRYPTION - unsigned char *clearto; /* Data to this point is clear text */ - unsigned char *encryyptedto; /* Data is encrypted to here */ -#endif /* ENCRYPTION */ - int size; /* size in bytes of buffer */ - u_long consumetime, /* help us keep straight full, empty, etc. */ - supplytime; -} Ring; - -/* Here are some functions and macros to deal with the ring buffer */ - -/* Initialization routine */ -extern int - ring_init P((Ring *ring, unsigned char *buffer, int count)); - -/* Data movement routines */ -extern void - ring_supply_data P((Ring *ring, unsigned char *buffer, int count)); -#ifdef notdef -extern void - ring_consume_data P((Ring *ring, unsigned char *buffer, int count)); -#endif - -/* Buffer state transition routines */ -extern void - ring_supplied P((Ring *ring, int count)), - ring_consumed P((Ring *ring, int count)); - -/* Buffer state query routines */ -extern int - ring_empty_count P((Ring *ring)), - ring_empty_consecutive P((Ring *ring)), - ring_full_count P((Ring *ring)), - ring_full_consecutive P((Ring *ring)); - -#ifdef ENCRYPTION -extern void - ring_encrypt P((Ring *ring, void (*func)())), - ring_clearto P((Ring *ring)); -#endif /* ENCRYPTION */ - -extern void - ring_clear_mark(), - ring_mark(); |