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- fix ipconfig output when no nic adapter is present, patch by Lucas Suggs, <anakha AT cat DOT pdx DOT edu>

Browse source 
- bug 3928
- fix a few memory leaks

svn path=/trunk/; revision=37789
This commit is contained in:
Johannes Anderwald 2008-12-01 13:54:25 +00:00
parent 1de5c6737b
commit 6b053be6fe
1 changed files with 20 additions and 6 deletions
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26
reactos/base/applications/network/ipconfig/ipconfig.c
View file

@ -360,15 +360,18 @@ VOID ShowInfo(BOOL bAll)
ULONG adaptOutBufLen = 0;
PFIXED_INFO pFixedInfo = NULL;
ULONG netOutBufLen = 0;
ULONG ret = 0;
/* call GetAdaptersInfo to obtain the adapter info */
if (GetAdaptersInfo(pAdapterInfo, &adaptOutBufLen) == ERROR_BUFFER_OVERFLOW)
ret = GetAdaptersInfo(pAdapterInfo, &adaptOutBufLen);
if (ret == ERROR_BUFFER_OVERFLOW)
{
pAdapterInfo = (IP_ADAPTER_INFO *)HeapAlloc(ProcessHeap, 0, adaptOutBufLen);
if (pAdapterInfo == NULL)
return;
if (GetAdaptersInfo(pAdapterInfo, &adaptOutBufLen) != NO_ERROR)
ret = GetAdaptersInfo(pAdapterInfo, &adaptOutBufLen);
if (ret != NO_ERROR)
{
DoFormatMessage(0);
HeapFree(ProcessHeap, 0, pAdapterInfo);
@ -377,8 +380,11 @@ VOID ShowInfo(BOOL bAll)
}
else
{
DoFormatMessage(0);
return;
if( ERROR_NO_DATA != ret )
{
DoFormatMessage(0);
return;
}
}
/* call GetNetworkParams to obtain the network info */
@ -386,17 +392,24 @@ VOID ShowInfo(BOOL bAll)
{
pFixedInfo = (FIXED_INFO *)HeapAlloc(ProcessHeap, 0, netOutBufLen);
if (pFixedInfo == NULL)
{
if (pAdapterInfo)
HeapFree(ProcessHeap, 0, pAdapterInfo);
return;
if (GetNetworkParams(pFixedInfo, &netOutBufLen) != NO_ERROR)
{
DoFormatMessage(0);
if (pAdapterInfo)
HeapFree(ProcessHeap, 0, pAdapterInfo);
HeapFree(ProcessHeap, 0, pFixedInfo);
return;
}
}
else
{
if (pAdapterInfo)
HeapFree(ProcessHeap, 0, pAdapterInfo);
DoFormatMessage(0);
return;
}
@ -413,7 +426,7 @@ VOID ShowInfo(BOOL bAll)
_tprintf(_T("\tIP Routing Enabled. . . . . . . . : Yes\n"));
else
_tprintf(_T("\tIP Routing Enabled. . . . . . . . : No\n"));
if (pAdapter->HaveWins)
if (pAdapter && pAdapter->HaveWins)
_tprintf(_T("\tWINS Proxy enabled. . . . . . . . : Yes\n"));
else
_tprintf(_T("\tWINS Proxy enabled. . . . . . . . : No\n"));
@ -494,7 +507,8 @@ VOID ShowInfo(BOOL bAll)
}
HeapFree(ProcessHeap, 0, pFixedInfo);
HeapFree(ProcessHeap, 0, pAdapterInfo);
if (pAdapterInfo)
HeapFree(ProcessHeap, 0, pAdapterInfo);
}
VOID Release(LPTSTR Index)