What's the OS version...

This question 'What's the OS version...' was asked in the midrange-l list
recently.

Here's a ILE/C program to report it, and some other useful info (some of
which can now be obtained from system values) I wrote a few years back...

/********************************************************/
/* Get RISC machine model, type, proc_grp, sn#, OSver   */
/* Author - Phil Hall   phall@ssax.com                  */
/********************************************************/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <qmhsndpm.h>
#include <qszrtvpr.h>
#include <mimchint.h>

/*-- local structure, to enable compile on older OS versions --*/
typedef struct _MACHINE_INFO_T {
    char              spacer1[4];
    char              spacer2[4];
    char              spacer3[4];
    char              Type[4];
    char              Model[4];
    char              P_Model[4];
    char              Group_Id[4];
    char              spacer4[4];
    char              Sys_Type_Ext;
    char              Feature_Code[4];
    char              Serial_No[10];
    char              spacer5;
} _MACHINE_INFO_T;

typedef struct error_code_struct
{
    int  bytes_provided;
    int  bytes_avail;
    char expt_id[7];
    char RESERVED;
    char expt_data[100];
} Error_Code_Struct;

/* Function prototypes */
void sndpgmmsg(char *msd_id, char *msg_data, char *msg_type);

int main (void)
{
  _MMTR_Template_T        this_400_info;
  _MACHINE_INFO_T         system_info;
  Qsz_Product_Info_Rec_t  prd_to_query;
  Qsz_PRDR0100_t          prd_info;
  Error_Code_Struct       error_code;
  char                    os400_ver[10];
  char                    msg_string[100];

    /*-- get system info --*/
    memset(&system_info, ' ', sizeof( _MACHINE_INFO_T ));;
    this_400_info.Options.Template_Size = sizeof( this_400_info );
    matmatr( &this_400_info, _MMTR_VPD );

    /*-- get OS/400 version --*/
    memset(&prd_to_query, ' ', sizeof( prd_to_query ));
    memset(&error_code,     0, sizeof( error_code ));
    memcpy(prd_to_query.Product_Id,     "*OPSYS", 6);
    memcpy(prd_to_query.Release_Level,  "*CUR",   4);
    memcpy(prd_to_query.Product_Option, "0000",   4);
    memcpy(prd_to_query.Load_Id,        "*CODE",  5);

    /*-- let's query the OS/400 product --*/
    QSZRTVPR( &prd_info,
              sizeof(prd_info),
              "PRDR0100",
              &prd_to_query,
              &error_code);

    if (error_code.bytes_avail == 0)
    {
        /*-- we have the product info for OS/400 licpgm --*/
        sprintf(os400_ver, "%.6s", prd_info.Release_Level );
    }
    else
    {
        /* error ocurred */
        strcpy(os400_ver, "V?R?M?");
    }

  memcpy( &(system_info),
          &(this_400_info.Options.Data.VPD.CEC_Info),
          sizeof( _MACHINE_INFO_T ));

  sprintf(msg_string, "Model %.4s, Type %.4s-%.4s, PRC Group %.4s, SN#
%.10s, OS is at %s.",
          system_info.Type,
          system_info.Model,
          system_info.Feature_Code,
          system_info.Group_Id,
          system_info.Serial_No,
          os400_ver);
  sndpgmmsg( "CPF9897", msg_string, "*COMP     ");
  return 0;
}

void sndpgmmsg(char *msg_id, char *msg_data, char *msg_type)
{
  Error_Code_Struct  err_code;
  char               msg_key[4];
  char               tmp_msg_id[7];
  char               tmp_msg_type[10];

    memset(&err_code, 0, sizeof(err_code));

    /* copy parms to AS/400 API format... */
    memcpy(tmp_msg_id, msg_id, sizeof(tmp_msg_id));
    memcpy(tmp_msg_type, msg_type, sizeof(tmp_msg_type));

    /* send message... */
    QMHSNDPM(tmp_msg_id,
             "QCPFMSG   QSYS      ",
             msg_data,
             strlen(msg_data),
             tmp_msg_type,
             "*         ",
             3,
             msg_key,
             &err_code);
}



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