1 /* $NetBSD: misc.c,v 1.4.6.1 2008/07/15 00:55:48 mgrooms Exp $ */ 2 3 /* $KAME: misc.c,v 1.23 2001/08/16 14:37:29 itojun Exp $ */ 4 5 /* 6 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the project nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include "config.h" 35 36 #include <sys/types.h> 37 #include <sys/param.h> 38 #include <sys/stat.h> 39 #include <sys/time.h> 40 41 #include <stdlib.h> 42 #include <stdio.h> 43 #include <string.h> 44 #include <errno.h> 45 #include <syslog.h> 46 #include <ctype.h> 47 48 #include "var.h" 49 #include "misc.h" 50 #include "debug.h" 51 52 #if 0 53 static int bindump __P((void *, size_t)); 54 55 static int 56 bindump(buf0, len) 57 void *buf0; 58 size_t len; 59 { 60 unsigned char *buf = (unsigned char *)buf0; 61 size_t i; 62 63 for (i = 0; i < len; i++) { 64 if ((buf[i] & 0x80) || !isprint(buf[i])) 65 printf("\\x%x", buf[i]); 66 else 67 printf("%c", buf[i]); 68 } 69 printf("\n"); 70 71 return 0; 72 } 73 #endif 74 75 int 76 racoon_hexdump(buf0, len) 77 void *buf0; 78 size_t len; 79 { 80 caddr_t buf = (caddr_t)buf0; 81 size_t i; 82 83 for (i = 0; i < len; i++) { 84 if (i != 0 && i % 32 == 0) 85 printf("\n"); 86 if (i % 4 == 0) 87 printf(" "); 88 printf("%02x", (unsigned char)buf[i]); 89 } 90 printf("\n"); 91 92 return 0; 93 } 94 95 char * 96 bit2str(n, bl) 97 int n, bl; 98 { 99 #define MAXBITLEN 128 100 static char b[MAXBITLEN + 1]; 101 int i; 102 103 if (bl > MAXBITLEN) 104 return "Failed to convert."; /* NG */ 105 memset(b, '0', bl); 106 b[bl] = '\0'; 107 108 for (i = 0; i < bl; i++) { 109 if (n & (1 << i)) 110 b[bl - 1 - i] = '1'; 111 } 112 113 return b; 114 } 115 116 const char * 117 debug_location(file, line, func) 118 const char *file; 119 int line; 120 const char *func; 121 { 122 static char buf[1024]; 123 const char *p; 124 125 /* truncate pathname */ 126 p = strrchr(file, '/'); 127 if (p) 128 p++; 129 else 130 p = file; 131 132 if (func) 133 snprintf(buf, sizeof(buf), "%s:%d:%s()", p, line, func); 134 else 135 snprintf(buf, sizeof(buf), "%s:%d", p, line); 136 137 return buf; 138 } 139 140 /* 141 * get file size. 142 * -1: error occured. 143 */ 144 int 145 getfsize(path) 146 char *path; 147 { 148 struct stat st; 149 150 if (stat(path, &st) != 0) 151 return -1; 152 else 153 return st.st_size; 154 } 155 156 /* 157 * calculate the difference between two times. 158 * t1: start 159 * t2: end 160 */ 161 double 162 timedelta(t1, t2) 163 struct timeval *t1, *t2; 164 { 165 if (t2->tv_usec >= t1->tv_usec) 166 return t2->tv_sec - t1->tv_sec + 167 (double)(t2->tv_usec - t1->tv_usec) / 1000000; 168 169 return t2->tv_sec - t1->tv_sec - 1 + 170 (double)(1000000 + t2->tv_usec - t1->tv_usec) / 1000000; 171 } 172