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#include "win32.h"
#ifdef setsockopt
#undef setsockopt
#endif
void winsock_init(void)
{
WORD wVersionRequested;
WSADATA wsaData;
int ret;
wVersionRequested = MAKEWORD(1, 1);
ret = WSAStartup(wVersionRequested, &wsaData);
if (ret != 0) {
FATAL("Could not initialize winsock");
}
if (LOBYTE(wsaData.wVersion) != 1 || HIBYTE(wsaData.wVersion) != 1) {
WSACleanup();
FATAL("Could not find a usable version of winsock");
}
}
void winsock_cleanup(void)
{
WSACleanup();
}
void ss_error(const char *s)
{
LPVOID *msg = NULL;
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, WSAGetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR) &msg, 0, NULL);
if (msg != NULL) {
LOGE("%s: %s", s, msg);
LocalFree(msg);
}
}
int setnonblocking(int fd)
{
u_long iMode = 0;
int iResult;
iResult = ioctlsocket(fd, FIONBIO, &iMode);
if (iResult != NO_ERROR) {
LOGE("ioctlsocket failed with error: %ld\n", iResult);
}
return iResult;
}
size_t strnlen(const char *s, size_t maxlen)
{
const char *end = memchr(s, 0, maxlen);
return end ? (size_t) (end - s) : maxlen;
}
const char *inet_ntop(int af, const void *src, char *dst, socklen_t size)
{
struct sockaddr_storage ss;
unsigned long s = size;
ZeroMemory(&ss, sizeof(ss));
ss.ss_family = af;
switch (af) {
case AF_INET:
((struct sockaddr_in *)&ss)->sin_addr = *(struct in_addr *)src;
break;
case AF_INET6:
((struct sockaddr_in6 *)&ss)->sin6_addr = *(struct in6_addr *)src;
break;
default:
return NULL;
}
return (WSAAddressToString((struct sockaddr *)&ss, sizeof(ss), NULL, dst, &s) == 0) ? dst : NULL;
}