181 lines
3.7 KiB
C
181 lines
3.7 KiB
C
/* $KAME: misc.c,v 1.20 2000/12/15 15:28:34 itojun Exp $ */
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/*
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* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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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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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT 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 PROJECT 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 <sys/types.h>
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <syslog.h>
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#include <ctype.h>
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#include "var.h"
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#include "misc.h"
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#include "debug.h"
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#if 0
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static int bindump __P((void *, size_t));
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static int
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bindump(buf0, len)
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void *buf0;
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size_t len;
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{
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unsigned char *buf = (unsigned char *)buf0;
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size_t i;
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for (i = 0; i < len; i++) {
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if ((buf[i] & 0x80) || !isprint(buf[i]))
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printf("\\x%x", buf[i]);
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else
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printf("%c", buf[i]);
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}
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printf("\n");
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return 0;
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}
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#endif
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int
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hexdump(buf0, len)
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void *buf0;
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size_t len;
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{
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caddr_t buf = (caddr_t)buf0;
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size_t i;
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for (i = 0; i < len; i++) {
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if (i != 0 && i % 32 == 0)
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printf("\n");
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if (i % 4 == 0)
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printf(" ");
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printf("%02x", (unsigned char)buf[i]);
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}
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printf("\n");
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return 0;
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}
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char *
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bit2str(n, bl)
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int n, bl;
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{
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#define MAXBITLEN 128
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static char b[MAXBITLEN + 1];
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int i;
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if (bl > MAXBITLEN)
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return "Failed to convert."; /* NG */
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memset(b, '0', bl);
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b[bl] = '\0';
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for (i = 0; i < bl; i++) {
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if (n & (1 << i))
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b[bl - 1 - i] = '1';
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}
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return b;
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}
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const char *
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debug_location(file, line, func)
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char *file;
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int line;
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char *func;
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{
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static char buf[1024];
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char *p;
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/* truncate pathname */
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p = strrchr(file, '/');
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if (p)
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p++;
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else
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p = file;
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if (func)
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snprintf(buf, sizeof(buf), "%s:%d:%s()", p, line, func);
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else
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snprintf(buf, sizeof(buf), "%s:%d", p, line);
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return buf;
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}
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/*
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* get file size.
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* -1: error occured.
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*/
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int
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getfsize(path)
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char *path;
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{
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struct stat st;
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if (stat(path, &st) != 0)
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return -1;
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else
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return st.st_size;
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}
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#ifdef GC
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/*
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* to make boehm-gc work correctly, we need to allocate every dynamically
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* allocated memory with boehm-gc. we need to override some of the libc
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* functions to do this.
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*/
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void *
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calloc(i, s)
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size_t i, s;
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{
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void *p;
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p = malloc(i * s);
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if (p)
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memset(p, 0, i * s);
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return p;
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}
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char *
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strdup(s)
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const char *s;
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{
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char *p;
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p = malloc(strlen(s) + 1);
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if (p)
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strcpy(p, s);
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return p;
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}
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#endif
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