static int send_command_to_daemon(qdb_handle_t h, struct qdb_hdr *hdr, void *data) {
/* if commands needs additional data, the last parameter must not be NULL
*/
assert(data || hdr->data_len == 0);
/* This function writes at most QDB_MAX_DATA bytes (3k) at once,
* which is atomic on Linux */
if (!QioWriteBuffer(h->write_pipe, hdr, sizeof(*hdr))) {
/* some fatal error on previous command (and daemon closed connection)
* perhaps? or daemon has restarted */
if (GetLastError() == ERROR_BROKEN_PIPE) {
/* try to reconnect */
CloseHandle(h->read_pipe);
CloseHandle(h->write_pipe);
if (!connect_to_daemon(h))
/* FIXME: register watches again */
/* reconnect failed */
return 0;
else {
/* try again */
if (!QioWriteBuffer(h->write_pipe, hdr, sizeof(*hdr))) {
perror("write to daemon");
return 0;
}
else
return 1;
}
} else {
/* other write error */
perror("write to daemon");
return 0;
}
}
if (data && !QioWriteBuffer(h->write_pipe, data, hdr->data_len)) {
/* no recovery after header send, daemon most likely closed connection
* in reaction to our data */
perror("write to daemon");
return 0;
}
return 1;
}
BOOL WriteClipboardText(IN HWND window, OUT HANDLE outputFile)
{
HANDLE clipData;
WCHAR *clipText;
UCHAR *clipTextUtf8;
size_t cbTextUtf8;
if (!IsClipboardFormatAvailable(CLIPBOARD_FORMAT))
return FALSE;
if (!OpenClipboard(window))
{
perror("OpenClipboard");
return FALSE;
}
clipData = GetClipboardData(CLIPBOARD_FORMAT);
if (!clipData)
{
perror("GetClipboardData");
CloseClipboard();
return FALSE;
}
clipText = GlobalLock(clipData);
if (!clipText)
{
perror("GlobalLock");
CloseClipboard();
return FALSE;
}
if (FAILED(ConvertUTF16ToUTF8(clipText, &clipTextUtf8, &cbTextUtf8)))
{
perror("ConvertUTF16ToUTF8");
GlobalUnlock(clipData);
CloseClipboard();
return FALSE;
}
if (!QioWriteBuffer(outputFile, clipTextUtf8, (DWORD)cbTextUtf8))
{
perror("QioWriteBuffer");
GlobalUnlock(clipData);
CloseClipboard();
return FALSE;
}
GlobalUnlock(clipData);
CloseClipboard();
return TRUE;
}
