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[IPHLPAPI]

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- Copy our TCP table into the caller's buffer if we actually get one (not yet!)
- Return ERROR_NO_DATA if we fail to get anything from TCP/IP
- Fixes bug #4185

svn path=/trunk/; revision=48563
This commit is contained in:
Cameron Gutman
2010-08-19 06:05:35 +00:00
parent 5ae5a35726
commit f2d4e1a828
1 changed files with 23 additions and 10 deletions
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reactos/dll/win32/iphlpapi/iphlpapi_main.c
+23 -10
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@@ -1747,7 +1747,7 @@ static int TcpTableSorter(const void *a, const void *b)
*/
DWORD WINAPI GetTcpTable(PMIB_TCPTABLE pTcpTable, PDWORD pdwSize, BOOL bOrder)
{
DWORD ret = NO_ERROR;
DWORD ret = ERROR_NO_DATA;
TRACE("pTcpTable %p, pdwSize %p, bOrder %d\n", pTcpTable, pdwSize,
(DWORD)bOrder);
@@ -1764,18 +1764,31 @@ DWORD WINAPI GetTcpTable(PMIB_TCPTABLE pTcpTable, PDWORD pdwSize, BOOL bOrder)
ret = ERROR_INSUFFICIENT_BUFFER;
}
else {
PMIB_TCPTABLE pTcpTable = getTcpTable();
if (pTcpTable)
PMIB_TCPTABLE pOurTcpTable = getTcpTable();
if (pOurTcpTable)
{
size = sizeof(MIB_TCPTABLE);
if (pTcpTable->dwNumEntries > 1)
size += (pTcpTable->dwNumEntries - 1) * sizeof(MIB_TCPROW);
*pdwSize = size;
if (pOurTcpTable->dwNumEntries > 1)
size += (pOurTcpTable->dwNumEntries - 1) * sizeof(MIB_TCPROW);
if (*pdwSize < size)
{
*pdwSize = size;
if (bOrder)
qsort(pTcpTable->table, pTcpTable->dwNumEntries,
sizeof(MIB_TCPROW), TcpTableSorter);
ret = NO_ERROR;
ret = ERROR_INSUFFICIENT_BUFFER;
}
else
{
memcpy(pTcpTable, pOurTcpTable, size);
if (bOrder)
qsort(pTcpTable->table, pTcpTable->dwNumEntries,
sizeof(MIB_TCPROW), TcpTableSorter);
ret = NO_ERROR;
}
free(pOurTcpTable);
}
}
}