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#include "WriteABuffer.h"
BOOL WriteABuffer(wchar_t* lpBuf, HANDLE hComm)
{
OVERLAPPED osWrite = {0};
DWORD dwWritten;
BOOL fRes;
unsigned char printBuf[COMSTR_LEN];
unsigned char* ptrPrintBuf;
ptrPrintBuf = &printBuf[0];
int lenBuf = (int) lpBuf[1];
int ii;
// printf("\tInteger: %d\n",lenBuf);
// printf("\tLength of lpBuf: %d\n",wcslen(lpBuf));
for (ii=0; ii<lenBuf+EXTRA_LEN; ii++)
{
printBuf[ii] = (unsigned char) lpBuf[ii];
// printf("\nWriteABuffer, variable printBuf[%d]: %d \n", ii, printBuf[ii]);
}
printBuf[ii] ='\0';
// printf("\nWriteABuffer, variable printBuf[%d]: %d \n", ii, printBuf[ii]);
// Create this writes OVERLAPPED structure hEvent.
osWrite.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
if (osWrite.hEvent == NULL)
// Error creating overlapped event handle.
return FALSE;
// Issue write.
// printf("\tNum to write: %i\n",dwToWrite);
// if (!WriteFile(hComm, lpBuf, dwToWrite, &dwWritten, &osWrite)) {
if (!WriteFile(hComm, ptrPrintBuf, lenBuf+3, &dwWritten, &osWrite)) {
if (GetLastError() != ERROR_IO_PENDING) {
// WriteFile failed, but it isn't delayed. Report error and abort.
fRes = FALSE;
}
else {
// Write is pending.
if (!GetOverlappedResult(hComm, &osWrite, &dwWritten, TRUE))
fRes = FALSE;
else
// Write operation completed successfully.
fRes = TRUE;
}
}
else
// WriteFile completed immediately.
fRes = TRUE;
CloseHandle(osWrite.hEvent);
return fRes;
}
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