#ifdef __MINGW32__

#include <io.h>

#define _USE_W32_SOCKETS 1
#include <windows.h>

#define ENOTCONN        WSAENOTCONN
#define EWOULDBLOCK     WSAEWOULDBLOCK
#define ENOBUFS         WSAENOBUFS
#define ECONNRESET      WSAECONNRESET
#define ESHUTDOWN       WSAESHUTDOWN
#define EAFNOSUPPORT    WSAEAFNOSUPPORT
#define EPROTONOSUPPORT WSAEPROTONOSUPPORT
#define EINPROGRESS     WSAEINPROGRESS
#define EISCONN         WSAEISCONN

/* winsock doesn't feature poll(), so there is a version implemented
 * in terms of select() in mingw.c. The following definitions
 * are copied from linux man pages. A poll() macro is defined to
 * call the version in mingw.c.
 */
#define POLLIN      0x0001    /* There is data to read */
#define POLLPRI     0x0002    /* There is urgent data to read */
#define POLLOUT     0x0004    /* Writing now will not block */
#define POLLERR     0x0008    /* Error condition */
#define POLLHUP     0x0010    /* Hung up */
#define POLLNVAL    0x0020    /* Invalid request: fd not open */
struct pollfd {
    SOCKET fd;        /* file descriptor */
    short events;     /* requested events */
    short revents;    /* returned events */
};
#define poll(x, y, z)        win32_poll(x, y, z)

/* These wrappers do nothing special except set the global errno variable if
 * an error occurs (winsock doesn't do this by default). They set errno
 * to unix-like values (i.e. WSAEWOULDBLOCK is mapped to EAGAIN), so code
 * outside of this file "shouldn't" have to worry about winsock specific error
 * handling.
 */
#define socket(x, y, z)		win32_socket(x, y, z)
#define connect(x, y, z)	win32_connect(x, y, z)
#define accept(x, y, z)		win32_accept(x, y, z)
#define shutdown(x, y)		win32_shutdown(x, y)
#define read(x, y, z)			win32_read_socket(x, y, z)
#define write(x, y, z)			win32_write_socket(x, y, z)

/* Winsock uses int instead of the usual socklen_t */
typedef int socklen_t;

int     win32_poll(struct pollfd *, unsigned int, int);
SOCKET  win32_socket(int, int, int);
int     win32_connect(SOCKET, struct sockaddr*, socklen_t);
SOCKET  win32_accept(SOCKET, struct sockaddr*, socklen_t *);
int     win32_shutdown(SOCKET, int);
int 	win32_close_socket(SOCKET fd);

#define strtok_r(x, y, z)      win32_strtok_r(x, y, z)
#define strsep(x,y) win32_strsep(x,y)

char *win32_strtok_r(char *s, const char *delim, char **lasts);
char *win32_strsep(char **stringp, const char *delim);

ssize_t win32_read_socket(SOCKET fd, void *buf, int n);
ssize_t win32_write_socket(SOCKET fd, void *buf, int n);

static inline void sleep(unsigned ms) { Sleep(ms); }

#endif