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serenity/Userland/Libraries/LibC/netinet/in.h
Peter Elliott db92e66902 LibC: Make <netinet/in.h> more POSIX compliant
1. Move htonl() etc. from <arpa/inet.h> to <netinet/in.h> (which
   <arpa/inet.h> includes).

   The htonl(), htons(), ntohl(), and ntohs() functions shall be
   available as described in <arpa/inet.h>.  Inclusion of the
   <netinet/in.h> header may also make visible all symbols from
   <arpa/inet.h>.

   - POSIX

2. Define IN6_IS_ADDR_LOOPBACK() and IN6_IS_ADDR_V4MAPPED()
2021-08-22 10:29:06 +02:00

50 lines
1.5 KiB
C

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <Kernel/API/POSIX/netinet/in.h>
#include <endian.h>
__BEGIN_DECLS
in_addr_t inet_addr(char const*);
static inline uint16_t htons(uint16_t value)
{
#if __BYTE_ORDER == __LITTLE_ENDIAN
return __builtin_bswap16(value);
#else
return value;
#endif
}
static inline uint16_t ntohs(uint16_t value)
{
return htons(value);
}
static inline uint32_t htonl(uint32_t value)
{
#if __BYTE_ORDER == __LITTLE_ENDIAN
return __builtin_bswap32(value);
#else
return value;
#endif
}
static inline uint32_t ntohl(uint32_t value)
{
return htonl(value);
}
#define IN6_IS_ADDR_LOOPBACK(addr) \
(addr->s6_addr[0] == 0 && addr->s6_addr[1] == 0 && addr->s6_addr[2] == 0 && addr->s6_addr[3] == 0 && addr->s6_addr[4] == 0 && addr->s6_addr[5] == 0 && addr->s6_addr[6] == 0 && addr->s6_addr[7] == 0 && addr->s6_addr[8] == 0 && addr->s6_addr[9] == 0 && addr->s6_addr[10] == 0 && addr->s6_addr[11] == 0 && addr->s6_addr[12] == 0 && addr->s6_addr[13] == 0 && addr->s6_addr[14] == 0 && addr->s6_addr[15] == 1)
#define IN6_IS_ADDR_V4MAPPED(addr) \
(addr->s6_addr[0] == 0 && addr->s6_addr[1] == 0 && addr->s6_addr[2] == 0 && addr->s6_addr[3] == 0 && addr->s6_addr[4] == 0 && addr->s6_addr[5] == 0 && addr->s6_addr[6] == 0 && addr->s6_addr[7] == 0 && addr->s6_addr[8] == 0xff && addr->s6_addr[9] == 0xff && addr->s6_addr[10] == 0xff && addr->s6_addr[11] == 0xff)
__END_DECLS