1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2005-2008 Poul-Henning Kamp
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <sysexits.h>
32 #include <unistd.h>
33 #include <err.h>
34 #include <libutil.h>
35
36 #include "libfifolog.h"
37
38 #define DEF_RECSIZE 512
39 #define DEF_RECCNT (24 * 60 * 60)
40
41 static void
usage(void)42 usage(void)
43 {
44 fprintf(stderr, "Usage: fifolog_create [-l record-size] "
45 "[-r record-count] [-s size] file\n");
46 exit(EX_USAGE);
47 }
48
49 int
main(int argc,char * const * argv)50 main(int argc, char * const *argv)
51 {
52 int ch;
53 int64_t size;
54 int64_t recsize;
55 int64_t reccnt;
56 const char *s;
57
58 recsize = 0;
59 size = 0;
60 reccnt = 0;
61 while((ch = getopt(argc, argv, "l:r:s:")) != -1) {
62 switch (ch) {
63 case 'l':
64 if (expand_number(optarg, &recsize))
65 err(1, "Couldn't parse -l argument");
66 break;
67 case 'r':
68 if (expand_number(optarg, &reccnt))
69 err(1, "Couldn't parse -r argument");
70 break;
71 case 's':
72 if (expand_number(optarg, &size))
73 err(1, "Couldn't parse -s argument");
74 break;
75 default:
76 usage();
77 }
78 }
79 argc -= optind;
80 argv += optind;
81 if (argc != 1)
82 usage();
83
84 if (size != 0 && reccnt != 0 && recsize != 0) { /* N N N */
85 if (size != reccnt * recsize)
86 errx(1, "Inconsistent -l, -r and -s values");
87 } else if (size != 0 && reccnt != 0 && recsize == 0) { /* N N Z */
88 if (size % reccnt)
89 errx(1,
90 "Inconsistent -r and -s values (gives remainder)");
91 recsize = size / reccnt;
92 } else if (size != 0 && reccnt == 0 && recsize != 0) { /* N Z N */
93 if (size % recsize)
94 errx(1, "-s arg not divisible by -l arg");
95 } else if (size != 0 && reccnt == 0 && recsize == 0) { /* N Z Z */
96 recsize = DEF_RECSIZE;
97 if (size % recsize)
98 errx(1, "-s arg not divisible by %jd", recsize);
99 } else if (size == 0 && reccnt != 0 && recsize != 0) { /* Z N N */
100 size = reccnt * recsize;
101 } else if (size == 0 && reccnt != 0 && recsize == 0) { /* Z N Z */
102 recsize = DEF_RECSIZE;
103 size = reccnt * recsize;
104 } else if (size == 0 && reccnt == 0 && recsize != 0) { /* Z Z N */
105 size = DEF_RECCNT * recsize;
106 } else if (size == 0 && reccnt == 0 && recsize == 0) { /* Z Z Z */
107 recsize = DEF_RECSIZE;
108 size = DEF_RECCNT * recsize;
109 }
110
111 s = fifolog_create(argv[0], size, recsize);
112 if (s == NULL)
113 return (0);
114 err(1, "%s", s);
115 }
116