DataBlade API Programmer's Manual Chapter 5: Managing Sessions

Home

Contents

Index

Master Index

New Book

/*
** Connect to the database passed on
** the client application command-line using mi_open(). Close the connection
** using mi_close().
*/
 
#include <mi.h>
#include <stdio.h>
 
main( mi_integer argc, char * argv[] )
{
  MI_CONNECTION  *conn;
 
  /* Check incomming parameters from OS command line */
  if (argc != 2)
     {
     fprintf(stderr, "usage:%s <db name>\n", argv[0]);
     exit(2);
     }
 
  /* Open a connection from client application to Informix database server.
   * database = parameter on OS command line
   *  user = OS user account which is running this executable
   *  password = default specified for this user
   */
  conn = mi_open( argv[1], NULL, NULL );
 
  /* If connection is NULL, then there was an error connecting to
  *  the database server and database specified.  Exit application.
  */
  if ( NULL == conn )
     {
     fprintf(stderr, "cannot open database: %s\n", argv[1]);
     exit(3);
     }
 
  /* Valid connection has occurred therefore close the connection and
  *  exit the application.
  */
  mi_close( conn );
 
  exit(0);
  }