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