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/*
* Public domain
*
* BSD socket emulation code for Winsock2
* Brent Cook <bcook@openbsd.org>
*/
#ifndef LIBCRYPTOCOMPAT_WIN32NETCOMPAT_H
#define LIBCRYPTOCOMPAT_WIN32NETCOMPAT_H
#ifdef _WIN32
#include <ws2tcpip.h>
#define SHUT_RDWR SD_BOTH
#define SHUT_RD SD_RECEIVE
#define SHUT_WR SD_SEND
#include <errno.h>
#include <unistd.h>
static int
wsa_errno(int err)
{
switch (err) {
case WSAENOBUFS:
errno = ENOMEM;
break;
case WSAEACCES:
errno = EACCES;
break;
case WSANOTINITIALISED:
errno = EPERM;
break;
case WSAEHOSTUNREACH:
case WSAENETDOWN:
errno = EIO;
break;
case WSAEFAULT:
errno = EFAULT;
break;
case WSAEINTR:
errno = EINTR;
break;
case WSAEINVAL:
errno = EINVAL;
break;
case WSAEINPROGRESS:
errno = EINPROGRESS;
break;
case WSAEWOULDBLOCK:
errno = EAGAIN;
break;
case WSAEOPNOTSUPP:
errno = ENOTSUP;
break;
case WSAEMSGSIZE:
errno = EFBIG;
break;
case WSAENOTSOCK:
errno = ENOTSOCK;
break;
case WSAENOPROTOOPT:
errno = ENOPROTOOPT;
break;
case WSAECONNREFUSED:
errno = ECONNREFUSED;
break;
case WSAEAFNOSUPPORT:
errno = EAFNOSUPPORT;
break;
case WSAENETRESET:
case WSAENOTCONN:
case WSAECONNABORTED:
case WSAECONNRESET:
case WSAESHUTDOWN:
case WSAETIMEDOUT:
errno = EPIPE;
break;
}
return -1;
}
static inline int
posix_connect(int sockfd, const struct sockaddr *addr, socklen_t addrlen)
{
int rc = connect(sockfd, addr, addrlen);
if (rc == SOCKET_ERROR)
return wsa_errno(WSAGetLastError());
return rc;
}
#define connect(sockfd, addr, addrlen) posix_connect(sockfd, addr, addrlen)
static inline int
posix_close(int fd)
{
if (closesocket(fd) == SOCKET_ERROR) {
int err = WSAGetLastError();
return err == WSAENOTSOCK ?
close(fd) : wsa_errno(err);
}
return 0;
}
#define close(fd) posix_close(fd)
static inline ssize_t
posix_read(int fd, void *buf, size_t count)
{
ssize_t rc = recv(fd, buf, count, 0);
if (rc == SOCKET_ERROR) {
int err = WSAGetLastError();
return err == WSAENOTSOCK ?
read(fd, buf, count) : wsa_errno(err);
}
return rc;
}
#define read(fd, buf, count) posix_read(fd, buf, count)
static inline ssize_t
posix_write(int fd, const void *buf, size_t count)
{
ssize_t rc = send(fd, buf, count, 0);
if (rc == SOCKET_ERROR) {
int err = WSAGetLastError();
return err == WSAENOTSOCK ?
write(fd, buf, count) : wsa_errno(err);
}
return rc;
}
#define write(fd, buf, count) posix_write(fd, buf, count)
static inline int
posix_getsockopt(int sockfd, int level, int optname,
void *optval, socklen_t *optlen)
{
int rc = getsockopt(sockfd, level, optname, (char *)optval, optlen);
return rc == 0 ? 0 : wsa_errno(WSAGetLastError());
}
#define getsockopt(sockfd, level, optname, optval, optlen) \
posix_getsockopt(sockfd, level, optname, optval, optlen)
static inline int
posix_setsockopt(int sockfd, int level, int optname,
const void *optval, socklen_t optlen)
{
int rc = setsockopt(sockfd, level, optname, (char *)optval, optlen);
return rc == 0 ? 0 : wsa_errno(WSAGetLastError());
}
#define setsockopt(sockfd, level, optname, optval, optlen) \
posix_setsockopt(sockfd, level, optname, optval, optlen)
#endif
#endif
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