#include "precompiled.h"

#include "win_internal.h"
#include "lib.h"
#include "wsock.h"

#pragma comment(lib, "ws2_32.lib")


fp_getnameinfo_t getnameinfo;
fp_getaddrinfo_t getaddrinfo;
fp_freeaddrinfo_t freeaddrinfo;


/* IPv6 globals
These are included in the linux C libraries, and in newer platform SDK's, so
should only be needed in VC++6 or earlier.
*/
const struct in6_addr in6addr_any = IN6ADDR_ANY_INIT;        /* :: */
const struct in6_addr in6addr_loopback = IN6ADDR_LOOPBACK_INIT;   /* ::1 */


WIN_REGISTER_MODULE(wsock);

static int wsock_init()
{
	char d[1024];
	CHECK_ERR(WSAStartup(0x0002, d));	// want 2.0

	const HMODULE hWs2_32Dll = LoadLibrary("ws2_32.dll");
	*(void**)&getaddrinfo  = GetProcAddress(hWs2_32Dll, "getaddrinfo");
	*(void**)&getnameinfo  = GetProcAddress(hWs2_32Dll, "getnameinfo");
	*(void**)&freeaddrinfo = GetProcAddress(hWs2_32Dll, "freeaddrinfo");
	FreeLibrary(hWs2_32Dll);
		// make sure the reference is released so BoundsChecker
		// doesn't complain. it won't actually be unloaded anyway -
		// there is at least one other reference.

	return 0;
}


static int wsock_shutdown()
{
	return WSACleanup();
}


uint16_t htons(uint16_t s)
{
	return (s >> 8) | ((s & 0xff) << 8);
}