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[IPHLPAPI] Reimplement GetUdpTable() using GetExtendedUdpTable()

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This commit is contained in:
Pierre Schweitzer 2018-11-24 21:25:59 +01:00
parent 58cef01422
commit 370b03b523
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GPG key ID: 7545556C3D585B0B
1 changed files with 16 additions and 57 deletions
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73
dll/win32/iphlpapi/iphlpapi_main.c
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@ -1095,7 +1095,21 @@ DWORD WINAPI GetExtendedTcpTable(PVOID pTcpTable, PDWORD pdwSize, BOOL bOrder, U
}
static int UdpTableSorter(const void *a, const void *b);
static int UdpTableSorter(const void *a, const void *b)
{
int ret;
if (a && b) {
PMIB_UDPROW rowA = (PMIB_UDPROW)a, rowB = (PMIB_UDPROW)b;
ret = rowA->dwLocalAddr - rowB->dwLocalAddr;
if (ret == 0)
ret = rowA->dwLocalPort - rowB->dwLocalPort;
}
else
ret = 0;
return ret;
}
/******************************************************************
* GetExtendedUdpTable (IPHLPAPI.@)
@ -2203,23 +2217,6 @@ DWORD WINAPI GetUdpStatistics(PMIB_UDPSTATS pStats)
}
static int UdpTableSorter(const void *a, const void *b)
{
int ret;
if (a && b) {
PMIB_UDPROW rowA = (PMIB_UDPROW)a, rowB = (PMIB_UDPROW)b;
ret = rowA->dwLocalAddr - rowB->dwLocalAddr;
if (ret == 0)
ret = rowA->dwLocalPort - rowB->dwLocalPort;
}
else
ret = 0;
return ret;
}
/******************************************************************
* GetUdpTable (IPHLPAPI.@)
*
@ -2237,45 +2234,7 @@ static int UdpTableSorter(const void *a, const void *b)
*/
DWORD WINAPI GetUdpTable(PMIB_UDPTABLE pUdpTable, PDWORD pdwSize, BOOL bOrder)
{
DWORD ret;
TRACE("pUdpTable %p, pdwSize %p, bOrder %ld\n", pUdpTable, pdwSize,
(DWORD)bOrder);
if (!pdwSize)
ret = ERROR_INVALID_PARAMETER;
else {
DWORD numEntries = getNumUdpEntries();
ULONG size = sizeof(MIB_UDPTABLE) + (numEntries - 1) * sizeof(MIB_UDPROW);
if (!pUdpTable || *pdwSize < size) {
*pdwSize = size;
ret = ERROR_INSUFFICIENT_BUFFER;
}
else {
PMIB_UDPTABLE table = getUdpTable();
if (table) {
size = sizeof(MIB_UDPTABLE) + (table->dwNumEntries - 1) *
sizeof(MIB_UDPROW);
if (*pdwSize < size) {
*pdwSize = size;
ret = ERROR_INSUFFICIENT_BUFFER;
}
else {
memcpy(pUdpTable, table, size);
if (bOrder)
qsort(pUdpTable->table, pUdpTable->dwNumEntries,
sizeof(MIB_UDPROW), UdpTableSorter);
ret = NO_ERROR;
}
free(table);
}
else
ret = ERROR_OUTOFMEMORY;
}
}
TRACE("returning %ld\n", ret);
return ret;
return GetExtendedUdpTable(pUdpTable, pdwSize, bOrder, AF_INET, UDP_TABLE_BASIC, 0);
}