1662cb04cSPoul-Henning Kamp /*- 2*4d846d26SWarner Losh * SPDX-License-Identifier: BSD-2-Clause 31de7b4b8SPedro F. Giffuni * 4662cb04cSPoul-Henning Kamp * Copyright (c) 2005-2008 5662cb04cSPoul-Henning Kamp * All rights reserved. 6662cb04cSPoul-Henning Kamp * 7662cb04cSPoul-Henning Kamp * Redistribution and use in source and binary forms, with or without 8662cb04cSPoul-Henning Kamp * modification, are permitted provided that the following conditions 9662cb04cSPoul-Henning Kamp * are met: 10662cb04cSPoul-Henning Kamp * 1. Redistributions of source code must retain the above copyright 11662cb04cSPoul-Henning Kamp * notice, this list of conditions and the following disclaimer. 12662cb04cSPoul-Henning Kamp * 2. Redistributions in binary form must reproduce the above copyright 13662cb04cSPoul-Henning Kamp * notice, this list of conditions and the following disclaimer in the 14662cb04cSPoul-Henning Kamp * documentation and/or other materials provided with the distribution. 15662cb04cSPoul-Henning Kamp * 16662cb04cSPoul-Henning Kamp * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17662cb04cSPoul-Henning Kamp * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18662cb04cSPoul-Henning Kamp * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19662cb04cSPoul-Henning Kamp * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20662cb04cSPoul-Henning Kamp * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21662cb04cSPoul-Henning Kamp * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22662cb04cSPoul-Henning Kamp * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23662cb04cSPoul-Henning Kamp * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24662cb04cSPoul-Henning Kamp * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25662cb04cSPoul-Henning Kamp * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26662cb04cSPoul-Henning Kamp * SUCH DAMAGE. 27662cb04cSPoul-Henning Kamp */ 28662cb04cSPoul-Henning Kamp 29662cb04cSPoul-Henning Kamp struct fifolog_file { 30662cb04cSPoul-Henning Kamp unsigned magic; 31662cb04cSPoul-Henning Kamp #define FIFOLOG_FILE_MAGIC 0x307ea50d 32662cb04cSPoul-Henning Kamp 336e482ac5SPoul-Henning Kamp ssize_t recsize; 34662cb04cSPoul-Henning Kamp off_t logsize; 35662cb04cSPoul-Henning Kamp int fd; 36662cb04cSPoul-Henning Kamp 37662cb04cSPoul-Henning Kamp z_stream *zs; 38662cb04cSPoul-Henning Kamp 39662cb04cSPoul-Henning Kamp unsigned char *recbuf; 40662cb04cSPoul-Henning Kamp }; 41662cb04cSPoul-Henning Kamp 42662cb04cSPoul-Henning Kamp const char *fifolog_int_open(struct fifolog_file **ff, const char *fname, int mode); 43662cb04cSPoul-Henning Kamp void fifolog_int_close(struct fifolog_file **ff); 44662cb04cSPoul-Henning Kamp int fifolog_int_read(const struct fifolog_file *ff, off_t recno); 45662cb04cSPoul-Henning Kamp const char *fifolog_int_findend(const struct fifolog_file *ff, off_t *last); 46