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/*
* convert binary form of address range to ASCII
* Copyright (C) 1998, 1999 Henry Spencer.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Library General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/lgpl.txt>.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
* License for more details.
*/
#include "internal.h"
#include "freeswan.h"
/*
- rangetoa - convert address range to ASCII
*/
size_t /* space needed for full conversion */
rangetoa(addrs, format, dst, dstlen)
struct in_addr addrs[2];
int format; /* character */
char *dst; /* need not be valid if dstlen is 0 */
size_t dstlen;
{
size_t len;
size_t rest;
int n;
char *p;
switch (format) {
case 0:
break;
default:
return 0;
break;
}
len = addrtoa(addrs[0], 0, dst, dstlen);
if (len < dstlen)
for (p = dst + len - 1, n = 3; len < dstlen && n > 0;
p++, len++, n--)
*p = '.';
else
p = NULL;
if (len < dstlen)
rest = dstlen - len;
else {
if (dstlen > 0)
*(dst + dstlen - 1) = '\0';
rest = 0;
}
len += addrtoa(addrs[1], 0, p, rest);
return len;
}
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