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#include "pycurl.h"
#if defined(WIN32)
PYCURL_INTERNAL int
dup_winsock(int sock, const struct curl_sockaddr *address)
{
int rv;
WSAPROTOCOL_INFO pi;
rv = WSADuplicateSocket(sock, GetCurrentProcessId(), &pi);
if (rv) {
return CURL_SOCKET_BAD;
}
/* not sure if WSA_FLAG_OVERLAPPED is needed, but it does not seem to hurt */
return (int) WSASocket(address->family, address->socktype, address->protocol, &pi, 0, WSA_FLAG_OVERLAPPED);
}
#endif
#if defined(WIN32) && ((_WIN32_WINNT < 0x0600) || (NTDDI_VERSION < NTDDI_VISTA))
/*
* Only Winsock on Vista+ has inet_ntop().
*/
PYCURL_INTERNAL const char *
pycurl_inet_ntop (int family, void *addr, char *string, size_t string_size)
{
SOCKADDR *sa;
int sa_len;
/* both size_t and DWORD should be unsigned ints */
DWORD string_size_dword = (DWORD) string_size;
if (family == AF_INET6) {
struct sockaddr_in6 sa6;
memset(&sa6, 0, sizeof(sa6));
sa6.sin6_family = AF_INET6;
memcpy(&sa6.sin6_addr, addr, sizeof(sa6.sin6_addr));
sa = (SOCKADDR*) &sa6;
sa_len = sizeof(sa6);
} else if (family == AF_INET) {
struct sockaddr_in sa4;
memset(&sa4, 0, sizeof(sa4));
sa4.sin_family = AF_INET;
memcpy(&sa4.sin_addr, addr, sizeof(sa4.sin_addr));
sa = (SOCKADDR*) &sa4;
sa_len = sizeof(sa4);
} else {
errno = EAFNOSUPPORT;
return NULL;
}
if (WSAAddressToString(sa, sa_len, NULL, string, &string_size_dword))
return NULL;
return string;
}
#endif
/* vi:ts=4:et:nowrap
*/
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