SplSetJob - Example Code

This sample code first gets a queue name and a jobid from the command prompt. It then prompts the user to enter a parameter number and a value for that number.

#define INCL_BASE
#define INCL_DOSMEMMGR
#define INCL_SPL
#define INCL_SPLDOSPRINT
#define INCL_SPLERRORS
#include <os2.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

INT main (argc, argv)
    INT argc;
    CHAR *argv[];
{
    CHAR   bufValue[2]={0};
    CHAR   bufInput[128]={0};
    ULONG  splerr  ;
    ULONG  cbBuf;
    ULONG  ulParmNum ;
    ULONG  ulJob ;
    USHORT usParm;
    PSZ    pszComputerName ;
    PSZ    pszQueueName ;
    PVOID  pBuf;

    if (argc != 3)
    {
       printf("Syntax:  sjset  QueueName  JobID  \n");
       DosExit( EXIT_PROCESS , 0 ) ;
    }
    pszComputerName = (PSZ)NULL ;

    /* Set values to those entered at the prompt. */
    pszQueueName = argv[1] ;
    ulJob = atoi (argv[2]);

    /* Request a parameter and the associated value. Store them in buffers. */
    printf("Enter Parameter number to be modified\n");
    gets(&bufValue[0]);
    printf("Enter new parameter value \n");
    gets(&bufInput[0]);

    /* Convert the ParmNum to a ULONG. */
    ulParmNum = atoi(&bufValue[0]);
    switch (ulParmNum)
    {
       case  6:
       case 14:
          /* Calculate size of buffer needed if this is the parameter.*/
          cbBuf = sizeof(PUSHORT);

          /* Convert input parameter into a USHORT. */
          usParm =(USHORT)atoi(&bufInput[0]);

          /* Point pBuf to the value. */
          pBuf = &usParm;
          break;
       case  3:
       case  4:
       case  5:
       case 11:
       case 12:
       case 16:
          /* Calculate size of buffer needed if this is the parameter.*/
          cbBuf = strlen(&bufInput[0])+1;

          /* Point pBuf to the value. */
          pBuf = (PSZ)&bufInput;
          break;
       case 18:
          printf("In order to keep code simple, this is not implemented.");
          break;
       default:
          printf("Invalid number\n");
    }

    splerr = SplSetJob(pszComputerName,pszQueueName,ulJob,3L,
                       pBuf,cbBuf,ulParmNum) ;
    if ( !splerr)
       printf("Parameter was set.");
    else
       printf("SplSetJob Error= %ld, Parameter= %d, Buf= %ld ,ParmNum= %ld\n",
                      splerr, usParm, cbBuf, ulParmNum);
    DosExit( EXIT_PROCESS , 0 ) ;
    return (splerr) ;
}