C / C++ / MFC

Pasy_m wrote:

Hardware info about the network controllers

#include "Iphlpapi.h"
#pragma comment(lib, "iphlpapi.lib")

VOID CNetworkToolBox::EnumNetworkSpeeds()
{
   BYTE *pBuf=NULL;
   DWORD dwSize=0;
   DWORD dwResult=0;
   PMIB_IFTABLE pMIBTable;

   GetIfTable(NULL,&dwSize,FALSE);
   pBuf=new BYTE[dwSize];
   pMIBTable=reinterpret_cast <PMIB_IFTABLE >(pBuf);
   CString szBuf;

   if(NO_ERROR == GetIfTable(pMIBTable,&dwSize,FALSE))
   {
      for(UINT i=0; i < pMIBTable->dwNumEntries; ++i)
      {
         if(MIB_IF_TYPE_LOOPBACK != pMIBTable->table[i].dwType)
         {
            if(MIB_IF_OPER_STATUS_CONNECTED == pMIBTable->table[i].dwOperStatus
				|| MIB_IF_OPER_STATUS_OPERATIONAL == pMIBTable->table[i].dwOperStatus)
            {
               szBuf.Format("%d@%s",pMIBTable->table[i].dwIndex,pMIBTable->table[i].bDescr);
               TRACE2(_T("%s network speed in bits per second: %ld\n"),szBuf,pMIBTable->table[i].dwSpeed);
            }
         }
      }
   }
   delete []pBuf;
}

Pasy_m wrote:

(maybe the card is a 1GBit controller,
but it is connected with a 100MBit switch...
then the current max. speed should be 100MBit)

Aabid wrote:

szTemp = (char *)malloc(sizeof (len) + 1);

Aabid wrote:

szTemp = (char *)malloc(sizeof (len) + 1);

ThatsAlok believe it should be (char *)malloc(sizeof (char)* len + 1);.

sizeof(char) * (len+1)

CPallini wrote:

if sizeof(char) was indeed relevant...

// Disable warning messages 4507 and 4034.
#pragma warning( disable : 4507 34 )

// Issue warning 4385 only once.
#pragma warning( once : 4385 )

// Report warning 4164 as an error.
#pragma warning( error : 164 )