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getobdsk.c
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1996-07-10
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// ╔════════════════════════════════════════════════════════════════════╗
// ║ ║
// ║ module: getobdsk.c ║
// ║ abstract: This module shows how to make 3.x system calls using ║
// ║ the F2 Shell Interface. Obviously, it requires the ║
// ║ NetWare Shell. ║
// ║ ║
// ║ environment: NetWare 3.x v3.11 ║
// ║ Borland C 3.0 ║
// ║ ║
// ║ This software is provided as is and carries no warranty ║
// ║ whatsoever. Novell disclaims and excludes any and all implied ║
// ║ warranties of merchantability, title and fitness for a particular ║
// ║ purpose. Novell does not warrant that the software will satisfy ║
// ║ your requirements or that the software is without defect or error ║
// ║ or that operation of the software will be uninterrupted. You are ║
// ║ using the software at your risk. The software is not a product ║
// ║ of Novell, Inc. or any of subsidiaries. ║
// ╚════════════════════════════════════════════════════════════════════╝
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <dos.h>
#include "nwsys.h"
//
// First of all, we define the request and reply structures which are
// needed for the GetBinderyObjectID API call. These structures are
// layed out according to the System Call documentation.
//
struct {
WORD sflen; // length of the structure. This is 6 + 'onlen'
BYTE sfcode; // the subfunction code, in our case 53.
WORD otype; // object type (hi-lo)
BYTE onlen; // length of name (below)
BYTE oname[48]; // name (doesn't need to be ASCIIZ)
}GETOBJRequest;
struct {
LONG oid; // the object ID returned (hi-lo)
WORD otype; // the object type returned (hi-lo)
BYTE oname[48]; // the object name returned (ASCIIZ)
}GETOBJReply;
// First of all, we define the request and reply structures which are
// needed for the GetObjectDiskUsageAndRestriction API call. These
// structures are layed out according to the System Call documentation.
//
struct {
WORD sflen; // length of the structure. This is 6 + 'onlen'
BYTE sfcode; // the subfunction code, in our case 41.
BYTE volumeNumber; // length of name (below)
LONG oid; // object for which information is to be returned
}GETOBDSKRequest;
struct {
LONG restriction; // Restriction on object for specified volume
LONG inUse; // Actual space in use by Object
}GETOBDSKReply;
//
// This is the main program. The purpose is to make the GetBinderyObjectID
// API call to illustrate making system calls using the F2 interface.
//
void main(int argc, char *argv[])
{
int cc;
int length;
if(argc!=4){printf("usage: GETOBDSK objectName ObjectType VolumeNumber\n");exit(1);}
//
// Build the request buffer
//
GETOBJRequest.sfcode = 53; // subfunction code
GETOBJRequest.otype = WordSwap(atoi(argv[2])); // object type
GETOBJRequest.onlen = strlen(argv[1]); // object name length
GETOBJRequest.sflen = WordSwap(6+GETOBJRequest.onlen); // length of this request
strcpy(GETOBJRequest.oname,argv[1]); // object name
cc = NWSystemCall(23,&GETOBJRequest,sizeof GETOBJRequest,&GETOBJReply,sizeof GETOBJReply);
printf("Function returned: %03d--%#02x\n",cc,cc);
if( cc == 0 ){
printf("Object id returned: %#010lx\n",DWordSwap(GETOBJReply.oid));
printf("Object type returned: %#06x\n",WordSwap(GETOBJReply.otype));
printf("Object name returned: %s\n",GETOBJReply.oname);
}
//
// Build the request buffer for restriction call
//
GETOBDSKRequest.sflen = sizeof GETOBDSKRequest;
GETOBDSKRequest.sfcode = 41; // subfunction code
GETOBDSKRequest.volumeNumber=atoi(argv[3]);
GETOBDSKRequest.oid=GETOBJReply.oid;
cc = NWSystemCall(22,&GETOBDSKRequest,sizeof GETOBDSKRequest,&GETOBDSKReply,sizeof GETOBDSKReply);
printf("Function returned: %03d--%#02x\n",cc,cc);
if( cc == 0 ) {
printf("Restriction: %8ld\n",GETOBDSKReply.restriction);
printf("In Use: %8ld\n",GETOBDSKReply.inUse);
}
}