76 lines
1.5 KiB
C++
76 lines
1.5 KiB
C++
#include <BAN/Endianness.h>
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#include <arpa/inet.h>
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#include <errno.h>
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#include <stdio.h>
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uint32_t htonl(uint32_t hostlong)
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{
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return BAN::host_to_network_endian(hostlong);
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}
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uint16_t htons(uint16_t hostshort)
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{
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return BAN::host_to_network_endian(hostshort);
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}
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uint32_t ntohl(uint32_t netlong)
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{
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return BAN::host_to_network_endian(netlong);
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}
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uint16_t ntohs(uint16_t netshort)
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{
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return BAN::host_to_network_endian(netshort);
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}
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in_addr_t inet_addr(const char* cp)
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{
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uint32_t a = 0, b = 0, c = 0, d = 0;
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int ret = sscanf(cp, "%u.%u.%u.%u", &a, &b, &c, &d);
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if (ret < 1 || ret > 4)
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return (in_addr_t)(-1);
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uint32_t result = 0;
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result |= (ret == 1) ? a : a << 24;
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result |= (ret == 2) ? b : b << 16;
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result |= (ret == 3) ? c : c << 8;
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result |= (ret == 4) ? d : d << 0;
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return htonl(result);
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}
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char* inet_ntoa(struct in_addr in)
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{
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static char buffer[16];
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uint32_t he = ntohl(in.s_addr);
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sprintf(buffer, "%u.%u.%u.%u",
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(he >> 24) & 0xFF,
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(he >> 16) & 0xFF,
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(he >> 8) & 0xFF,
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(he >> 0) & 0xFF
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);
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return buffer;
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}
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const char* inet_ntop(int af, const void* __restrict src, char* __restrict dst, socklen_t size)
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{
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if (af == AF_INET)
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{
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if (size < INET_ADDRSTRLEN)
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{
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errno = ENOSPC;
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return nullptr;
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}
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uint32_t he = ntohl(reinterpret_cast<const in_addr*>(src)->s_addr);
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sprintf(dst, "%u.%u.%u.%u",
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(he >> 24) & 0xFF,
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(he >> 16) & 0xFF,
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(he >> 8) & 0xFF,
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(he >> 0) & 0xFF
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);
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return dst;
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}
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errno = EAFNOSUPPORT;
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return nullptr;
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}
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