Esempi in C++ (Cpp) per PGAPI_DriverConnect

Esempio n. 1

File: odbcapi.c Progetto: plusql/hsqldb-snapshot-20160112

RETCODE		SQL_API
SQLDriverConnect(HDBC hdbc,
				 HWND hwnd,
				 SQLCHAR FAR * szConnStrIn,
				 SQLSMALLINT cbConnStrIn,
				 SQLCHAR FAR * szConnStrOut,
				 SQLSMALLINT cbConnStrOutMax,
				 SQLSMALLINT FAR * pcbConnStrOut,
				 SQLUSMALLINT fDriverCompletion)
{
	RETCODE	ret;
	ConnectionClass *conn = (ConnectionClass *) hdbc;

	mylog("[SQLDriverConnect]");
	ENTER_CONN_CS(conn);
	CC_clear_error(conn);
	ret = PGAPI_DriverConnect(hdbc, hwnd, szConnStrIn, cbConnStrIn,
		szConnStrOut, cbConnStrOutMax, pcbConnStrOut, fDriverCompletion);
	LEAVE_CONN_CS(conn);
	return ret;
}

Esempio n. 2

RETCODE SQL_API
SQLDriverConnectW(HDBC hdbc,
				  HWND hwnd,
				  SQLWCHAR *szConnStrIn,
				  SQLSMALLINT cbConnStrIn,
				  SQLWCHAR *szConnStrOut,
				  SQLSMALLINT cbConnStrOutMax,
				  SQLSMALLINT *pcbConnStrOut,
				  SQLUSMALLINT fDriverCompletion)
{
	CSTR func = "SQLDriverConnectW";
	char	*szIn, *szOut = NULL;
	SQLSMALLINT	maxlen, obuflen = 0;
	SQLLEN		inlen;
	SQLSMALLINT	olen, *pCSO;
	RETCODE	ret;
	ConnectionClass *conn = (ConnectionClass *) hdbc;

	mylog("[%s]", func);
	CC_examine_global_transaction(conn);
	ENTER_CONN_CS(conn);
	CC_clear_error(conn);
	CC_set_in_unicode_driver(conn);
	szIn = ucs2_to_utf8(szConnStrIn, cbConnStrIn, &inlen, FALSE);
	maxlen = cbConnStrOutMax;
	pCSO = NULL;
	olen = 0;
	if (maxlen > 0)
	{
		obuflen = maxlen + 1;
		szOut = malloc(obuflen);
		if (!szOut)
		{
			CC_set_error(conn, CONN_NO_MEMORY_ERROR, "Could not allocate memory for output buffer", func);
			ret = SQL_ERROR;
			goto cleanup;
		}
		pCSO = &olen;
	}
	else if (pcbConnStrOut)
		pCSO = &olen;
	ret = PGAPI_DriverConnect(hdbc, hwnd,
							  (SQLCHAR *) szIn, (SQLSMALLINT) inlen,
							  (SQLCHAR *) szOut, maxlen,
							  pCSO, fDriverCompletion);
	if (ret != SQL_ERROR && NULL != pCSO)
	{
		SQLLEN outlen = olen;

		if (olen < obuflen)
			outlen = utf8_to_ucs2(szOut, olen, szConnStrOut, cbConnStrOutMax);
		else
			utf8_to_ucs2(szOut, maxlen, szConnStrOut, cbConnStrOutMax);
		if (outlen >= cbConnStrOutMax && NULL != szConnStrOut && NULL != pcbConnStrOut)
		{
inolog("cbConnstrOutMax=%d pcb=%p\n", cbConnStrOutMax, pcbConnStrOut);
			if (SQL_SUCCESS == ret)
			{
				CC_set_error(conn, CONN_TRUNCATED, "the ConnStrOut is too small", func);
				ret = SQL_SUCCESS_WITH_INFO;
			}
		}
		if (pcbConnStrOut)
			*pcbConnStrOut = (SQLSMALLINT) outlen;
	}
cleanup:
	LEAVE_CONN_CS(conn);
	if (szOut)
		free(szOut);
	if (szIn)
		free(szIn);
	return ret;
}