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SQL Anywhere 11.0.1 (Deutsch) » SQL Anywhere Server - Programmierung » SQL Anywhere Datenzugriff-APIs » SQL Anywhere C-API-Referenz » SQL Anywhere C-APIBeispiele

 

connecting.cpp

Dieses Beispiel zeigt, wie Sie ein Verbindungsobjekt erstellen und es mit SQL Anywhere verbinden.

// *********************************************************************
// Copyright 1994-2008 iAnywhere Solutions, Inc.  All rights reserved.
// This sample code is provided AS IS, without warranty or liability
// of any kind.
//
// You may use, reproduce, modify and distribute this sample code
// without limitation, on the condition that you retain the foregoing
// copyright notice and disclaimer as to the original iAnywhere code.
//
// *********************************************************************
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "sacapidll.h"

int main( int argc, char * argv[] )
{
    SQLAnywhereInterface  api;
    a_sqlany_connection   *conn;
    unsigned int          max_api_ver;

    if( !sqlany_initialize_interface( &api, NULL ) ) {
        printf( "Could not initialize the interface!\n" );
        exit( 0 );
    }

    if( !api.sqlany_init( "MyAPP", SQLANY_CURRENT_API_VERSION, &max_api_ver )) {
        printf( "Failed to initialize the interface! Supported version = %d\n", max_api_ver );
        sqlany_finalize_interface( &api );
        return -1;
    }

    /* A connection object needs to be created first */
    conn = api.sqlany_new_connection();

    if( !api.sqlany_connect( conn, "uid=dba;pwd=sql" ) ) {
        /* failed to connect */
        char buffer[SACAPI_ERROR_SIZE];
        int  rc;
        rc = api.sqlany_error( conn, buffer, sizeof(buffer) );
        printf( "Failed to connect: error code=%d error message=%s\n",
            rc, buffer );
    } else {
        printf( "Connected successfully!\n" );
        api.sqlany_disconnect( conn );
    }

    /* Must free the connection object or there will be a memory leak */
    api.sqlany_free_connection( conn );

    api.sqlany_fini();

    sqlany_finalize_interface( &api );

    return 0;
}