1/* Checking macros for inet functions.
 2   Copyright (C) 2025 Free Software Foundation, Inc.
 3   This file is part of the GNU C Library.
 4
 5   The GNU C Library is free software; you can redistribute it and/or
 6   modify it under the terms of the GNU Lesser General Public
 7   License as published by the Free Software Foundation; either
 8   version 2.1 of the License, or (at your option) any later version.
 9
10   The GNU C Library is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13   Lesser General Public License for more details.
14
15   You should have received a copy of the GNU Lesser General Public
16   License along with the GNU C Library; if not, see
17   <https://www.gnu.org/licenses/>.  */
18
19#ifndef _BITS_INET_FORTIFIED_H
20#define _BITS_INET_FORTIFIED_H 1
21
22#ifndef _ARPA_INET_H
23# error "Never include <bits/inet-fortified.h> directly; use <arpa/inet.h> instead."
24#endif
25
26#include <bits/inet-fortified-decl.h>
27
28__fortify_function __attribute_overloadable__ const char *
29__NTH (inet_ntop (int __af,
30	   __fortify_clang_overload_arg (const void *, __restrict, __src),
31	   char *__restrict __dst, socklen_t __dst_size))
32    __fortify_clang_warning_only_if_bos_lt (__dst_size, __dst,
33					    "inet_ntop called with bigger length "
34					    "than size of destination buffer")
35{
36  return __glibc_fortify (inet_ntop, __dst_size, sizeof (char),
37			  __glibc_objsize (__dst),
38			  __af, __src, __dst, __dst_size);
39};
40
41__fortify_function __attribute_overloadable__ int
42__NTH (inet_pton (int __af,
43	   const char *__restrict __src,
44	   __fortify_clang_overload_arg (void *, __restrict, __dst)))
45    __fortify_clang_warning_only_if_bos0_lt
46	(4, __dst, "inet_pton called with destination buffer size less than 4")
47{
48  size_t sz = 0;
49  if (__af == AF_INET)
50    sz = sizeof (struct in_addr);
51  else if (__af == AF_INET6)
52    sz = sizeof (struct in6_addr);
53  else
54    return __inet_pton_alias (__af, __src, __dst);
55
56  return __glibc_fortify (inet_pton, sz, sizeof (char),
57			  __glibc_objsize (__dst),
58			  __af, __src, __dst);
59};
60
61#endif /* bits/inet-fortified.h.  */