56 lines
933 B
C++
56 lines
933 B
C++
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#include "precomp.h"
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#include "getip.h"
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#define MAX_HOSTNAME_LENGTH 80
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int __stdcall GetIPAddresses(char **szAddressArray, int numAddresses)
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{
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hostent *pHostent;
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char szHostname[MAX_HOSTNAME_LENGTH];
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int nRet, nIndex;
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int nCount;
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in_addr* pInterfaceAddr;
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nRet = gethostname(szHostname, MAX_HOSTNAME_LENGTH);
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szHostname[MAX_HOSTNAME_LENGTH-1] = '\0';
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if (nRet < 0)
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{
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return nRet;
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}
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pHostent = gethostbyname(szHostname);
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if (pHostent == NULL)
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{
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return -1;
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}
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nCount = 0;
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for (nIndex = 0; nIndex < numAddresses; nIndex++)
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{
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if (pHostent->h_addr_list[nIndex] != NULL)
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nCount++;
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else
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break;
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}
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// enumerate the addresses backwards - PPP addresses will get listed
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// first ???
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for (nIndex = (nCount-1); nIndex >= 0; nIndex--)
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{
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pInterfaceAddr = (in_addr*)(pHostent->h_addr_list[nIndex]);
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lstrcpy(szAddressArray[nCount - 1 - nIndex], inet_ntoa(*pInterfaceAddr));
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}
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return nCount;
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}
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