misc.c

#include <stdio.h>
#include <string.h>
#include <windows.h>
#include <sys/timeb.h>
#include <time.h>

#ifdef __GNUC__
/*our prototypes for timeval and timezone are in here, just in case the above
  headers don't have them*/
#include "misc.h"
#endif

/****************************************************************************
 *
 * Function: gettimeofday(struct timeval *, struct timezone *)
 *
 * Purpose:  Get current time of day.
 *
 * Arguments: tv => Place to store the curent time of day.
 *            tz => Ignored.
 *
 * Returns: 0 => Success.
 *
 ****************************************************************************/

#ifndef HAVE_GETTIMEOFDAY
int gettimeofday(struct timeval *tv, struct timezone *tz) {
        struct _timeb tb;

        if(tv == NULL)
                return -1;

        _ftime(&tb);
        tv->tv_sec = (long) tb.time;
        tv->tv_usec = ((int) tb.millitm) * 1000;
        return 0;
}
#endif

#if 0
int
win_read(int fd, void *buf, unsigned int length)
{
        DWORD dwBytesRead;
        int res = ReadFile((HANDLE) fd, buf, length, &dwBytesRead, NULL);
        if (res == 0) {
                DWORD error = GetLastError();
                if (error == ERROR_NO_DATA)
                        return (0);
                return (-1);
        } else
                return (dwBytesRead);
}

int
win_write(int fd, void *buf, unsigned int length)
{
        DWORD dwBytesWritten;
        int res = WriteFile((HANDLE) fd, buf, length, &dwBytesWritten, NULL);
        if (res == 0) {
                DWORD error = GetLastError();
                if (error == ERROR_NO_DATA)
                        return (0);
                return (-1);
        } else
                return (dwBytesWritten);
}

int
socketpair(int d, int type, int protocol, int *sv)
{
        static int count;
        char buf[64];
        HANDLE fd;
        DWORD dwMode;
        sprintf(buf, "\\\\.\\pipe\\levent-%d", count++);
        /* Create a duplex pipe which will behave like a socket pair */
        fd = CreateNamedPipe(buf, PIPE_ACCESS_DUPLEX, PIPE_TYPE_BYTE | PIPE_NOWAIT, 
                PIPE_UNLIMITED_INSTANCES, 4096, 4096, 0, NULL);
        if (fd == INVALID_HANDLE_VALUE)
                return (-1);
        sv[0] = (int)fd;

        fd = CreateFile(buf, GENERIC_READ|GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
        if (fd == INVALID_HANDLE_VALUE)
                return (-1);
        dwMode = PIPE_NOWAIT;
        SetNamedPipeHandleState(fd, &dwMode, NULL, NULL);
        sv[1] = (int)fd;

        return (0);
}
#endif