662cb04c25
Quoth the man-page: Fifologs provide a compact round-robin circular storage for recording text and binary information to permanent storage in a bounded and pre- dictable fashion, time and space wise. Not yet connected to the build, but feel free to test & review.
46 lines
1.8 KiB
C
46 lines
1.8 KiB
C
/*-
|
|
* Copyright (c) 2005-2008
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
struct fifolog_file {
|
|
unsigned magic;
|
|
#define FIFOLOG_FILE_MAGIC 0x307ea50d
|
|
|
|
unsigned recsize;
|
|
off_t logsize;
|
|
int fd;
|
|
|
|
z_stream *zs;
|
|
|
|
unsigned char *recbuf;
|
|
};
|
|
|
|
const char *fifolog_int_open(struct fifolog_file **ff, const char *fname, int mode);
|
|
void fifolog_int_close(struct fifolog_file **ff);
|
|
int fifolog_int_read(const struct fifolog_file *ff, off_t recno);
|
|
const char *fifolog_int_findend(const struct fifolog_file *ff, off_t *last);
|