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/* Utility functions that I'm used to from C but for which I couldn't find TTCN-3 implementations
*
* (C) 2017 Harald Welte <laforge@gnumonks.org>
* All rights reserved.
*
* Released under the terms of GNU General Public License, Version 2 or
* (at your option) any later version.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <Charstring.hh>
#include <Octetstring.hh>
namespace Native__Functions {
OCTETSTRING f__inet6__addr(const CHARSTRING& in)
{
char buf[INET6_ADDRSTRLEN];
TTCN_Buffer ttcn_buffer(in);
int ret;
ret = inet_pton(AF_INET6, (const char *)ttcn_buffer.get_data(), buf);
if(ret < 1)
fprintf(stderr, "inet_pton failed: %d %s\n", ret, strerror(errno));
return OCTETSTRING(16, (const unsigned char *)&buf[0]);
}
OCTETSTRING f__inet__addr(const CHARSTRING& in)
{
TTCN_Buffer ttcn_buffer(in);
in_addr_t ia;
ia = inet_addr((const char *)ttcn_buffer.get_data());
return OCTETSTRING(4, (const unsigned char *)&ia);
}
OCTETSTRING f__inet__haddr(const CHARSTRING& in)
{
TTCN_Buffer ttcn_buffer(in);
in_addr_t ia;
ia = inet_addr((const char *)ttcn_buffer.get_data());
ia = ntohl(ia);
return OCTETSTRING(4, (const unsigned char *)&ia);
}
CHARSTRING f__inet__ntoa(const OCTETSTRING& in)
{
TTCN_Buffer ttcn_buffer(in);
const struct in_addr ia = *(const struct in_addr *)ttcn_buffer.get_data();
const char *str = inet_ntoa(ia);
return CHARSTRING(str);
}
CHARSTRING f__inet__hntoa(const OCTETSTRING& in)
{
TTCN_Buffer ttcn_buffer(in);
struct in_addr ia = *(const in_addr *)ttcn_buffer.get_data();
ia.s_addr = htonl(ia.s_addr);
const char *str = inet_ntoa(ia);
return CHARSTRING(str);
}
} // namespace
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