116 lines
3.5 KiB
C
116 lines
3.5 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2005-2008 Poul-Henning Kamp
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <sysexits.h>
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#include <unistd.h>
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#include <err.h>
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#include <libutil.h>
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#include "libfifolog.h"
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#define DEF_RECSIZE 512
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#define DEF_RECCNT (24 * 60 * 60)
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static void
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usage(void)
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{
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fprintf(stderr, "Usage: fifolog_create [-l record-size] "
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"[-r record-count] [-s size] file\n");
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exit(EX_USAGE);
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}
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int
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main(int argc, char * const *argv)
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{
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int ch;
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int64_t size;
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int64_t recsize;
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int64_t reccnt;
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const char *s;
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recsize = 0;
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size = 0;
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reccnt = 0;
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while((ch = getopt(argc, argv, "l:r:s:")) != -1) {
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switch (ch) {
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case 'l':
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if (expand_number(optarg, &recsize))
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err(1, "Couldn't parse -l argument");
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break;
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case 'r':
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if (expand_number(optarg, &reccnt))
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err(1, "Couldn't parse -r argument");
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break;
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case 's':
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if (expand_number(optarg, &size))
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err(1, "Couldn't parse -s argument");
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break;
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default:
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usage();
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}
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}
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argc -= optind;
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argv += optind;
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if (argc != 1)
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usage();
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if (size != 0 && reccnt != 0 && recsize != 0) { /* N N N */
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if (size != reccnt * recsize)
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errx(1, "Inconsistent -l, -r and -s values");
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} else if (size != 0 && reccnt != 0 && recsize == 0) { /* N N Z */
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if (size % reccnt)
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errx(1,
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"Inconsistent -r and -s values (gives remainder)");
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recsize = size / reccnt;
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} else if (size != 0 && reccnt == 0 && recsize != 0) { /* N Z N */
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if (size % recsize)
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errx(1, "-s arg not divisible by -l arg");
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} else if (size != 0 && reccnt == 0 && recsize == 0) { /* N Z Z */
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recsize = DEF_RECSIZE;
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if (size % recsize)
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errx(1, "-s arg not divisible by %jd", recsize);
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} else if (size == 0 && reccnt != 0 && recsize != 0) { /* Z N N */
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size = reccnt * recsize;
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} else if (size == 0 && reccnt != 0 && recsize == 0) { /* Z N Z */
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recsize = DEF_RECSIZE;
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size = reccnt * recsize;
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} else if (size == 0 && reccnt == 0 && recsize != 0) { /* Z Z N */
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size = DEF_RECCNT * recsize;
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} else if (size == 0 && reccnt == 0 && recsize == 0) { /* Z Z Z */
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recsize = DEF_RECSIZE;
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size = DEF_RECCNT * recsize;
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}
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s = fifolog_create(argv[0], size, recsize);
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if (s == NULL)
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return (0);
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err(1, "%s", s);
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}
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