1c91307af2622f6625525f3c1f9c954376df950adChia-chi Yeh/* $NetBSD: misc.c,v 1.4.6.1 2008/07/15 00:55:48 mgrooms Exp $ */ 20a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang 30a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang/* $KAME: misc.c,v 1.23 2001/08/16 14:37:29 itojun Exp $ */ 40a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang 50a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang/* 60a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 70a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * All rights reserved. 80a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * 90a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * Redistribution and use in source and binary forms, with or without 100a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * modification, are permitted provided that the following conditions 110a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * are met: 120a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * 1. Redistributions of source code must retain the above copyright 130a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * notice, this list of conditions and the following disclaimer. 140a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * 2. Redistributions in binary form must reproduce the above copyright 150a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * notice, this list of conditions and the following disclaimer in the 160a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * documentation and/or other materials provided with the distribution. 170a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * 3. Neither the name of the project nor the names of its contributors 180a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * may be used to endorse or promote products derived from this software 190a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * without specific prior written permission. 200a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * 210a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 220a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 230a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 240a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 250a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 260a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 270a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 280a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 290a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 300a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 310a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * SUCH DAMAGE. 320a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang */ 330a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang 340a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang#include "config.h" 350a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang 360a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang#include <sys/types.h> 370a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang#include <sys/param.h> 380a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang#include <sys/stat.h> 390a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang#include <sys/time.h> 400a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang 410a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang#include <stdlib.h> 420a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang#include <stdio.h> 430a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang#include <string.h> 440a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang#include <errno.h> 450a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang#include <syslog.h> 460a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang#include <ctype.h> 470a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang 480a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang#include "var.h" 490a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang#include "misc.h" 500a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang#include "debug.h" 510a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang 520a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang#if 0 530a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wangstatic int bindump __P((void *, size_t)); 540a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang 550a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wangstatic int 560a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wangbindump(buf0, len) 570a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang void *buf0; 580a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang size_t len; 590a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang{ 600a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang unsigned char *buf = (unsigned char *)buf0; 610a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang size_t i; 620a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang 630a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang for (i = 0; i < len; i++) { 640a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang if ((buf[i] & 0x80) || !isprint(buf[i])) 650a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang printf("\\x%x", buf[i]); 660a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang else 670a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang printf("%c", buf[i]); 680a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang } 690a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang printf("\n"); 700a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang 710a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang return 0; 720a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang} 730a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang#endif 740a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang 750a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wangint 760a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wangracoon_hexdump(buf0, len) 770a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang void *buf0; 780a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang size_t len; 790a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang{ 800a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang caddr_t buf = (caddr_t)buf0; 810a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang size_t i; 820a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang 830a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang for (i = 0; i < len; i++) { 840a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang if (i != 0 && i % 32 == 0) 850a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang printf("\n"); 860a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang if (i % 4 == 0) 870a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang printf(" "); 880a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang printf("%02x", (unsigned char)buf[i]); 890a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang } 900a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang printf("\n"); 910a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang 920a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang return 0; 930a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang} 940a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang 950a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wangchar * 960a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wangbit2str(n, bl) 970a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang int n, bl; 980a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang{ 990a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang#define MAXBITLEN 128 1000a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang static char b[MAXBITLEN + 1]; 1010a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang int i; 1020a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang 1030a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang if (bl > MAXBITLEN) 1040a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang return "Failed to convert."; /* NG */ 1050a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang memset(b, '0', bl); 1060a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang b[bl] = '\0'; 1070a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang 1080a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang for (i = 0; i < bl; i++) { 1090a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang if (n & (1 << i)) 1100a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang b[bl - 1 - i] = '1'; 1110a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang } 1120a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang 1130a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang return b; 1140a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang} 1150a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang 1160a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wangconst char * 1170a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wangdebug_location(file, line, func) 1180a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang const char *file; 1190a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang int line; 1200a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang const char *func; 1210a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang{ 1220a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang static char buf[1024]; 1230a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang const char *p; 1240a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang 1250a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang /* truncate pathname */ 1260a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang p = strrchr(file, '/'); 1270a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang if (p) 1280a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang p++; 1290a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang else 1300a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang p = file; 1310a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang 1320a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang if (func) 1330a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang snprintf(buf, sizeof(buf), "%s:%d:%s()", p, line, func); 1340a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang else 1350a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang snprintf(buf, sizeof(buf), "%s:%d", p, line); 1360a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang 1370a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang return buf; 1380a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang} 1390a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang 1400a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang/* 1410a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * get file size. 1420a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * -1: error occured. 1430a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang */ 1440a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wangint 1450a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wanggetfsize(path) 1460a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang char *path; 1470a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang{ 1480a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang struct stat st; 1490a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang 1500a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang if (stat(path, &st) != 0) 1510a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang return -1; 1520a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang else 1530a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang return st.st_size; 1540a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang} 1550a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang 1560a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang/* 1570a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * calculate the difference between two times. 1580a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * t1: start 1590a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * t2: end 1600a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang */ 1610a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wangdouble 1620a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wangtimedelta(t1, t2) 1630a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang struct timeval *t1, *t2; 1640a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang{ 1650a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang if (t2->tv_usec >= t1->tv_usec) 1660a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang return t2->tv_sec - t1->tv_sec + 1670a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang (double)(t2->tv_usec - t1->tv_usec) / 1000000; 1680a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang 1690a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang return t2->tv_sec - t1->tv_sec - 1 + 1700a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang (double)(1000000 + t2->tv_usec - t1->tv_usec) / 1000000; 1710a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang} 172