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ws2_32: Return proper WSAENOBUFS error when enuming protocols.

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This commit is contained in:
Aric Stewart 2007-10-18 08:40:13 -05:00 committed by Alexandre Julliard
parent 4565b4f4bc
commit 6c824e8b89
1 changed files with 4 additions and 8 deletions
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12
dlls/ws2_32/protocol.c
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@ -301,18 +301,16 @@ INT WINAPI WSAEnumProtocolsA( LPINT protocols, LPWSAPROTOCOL_INFOA buffer, LPDWO
DWORD size = 0;
INT local[] = { WS_IPPROTO_TCP, WS_IPPROTO_UDP, NSPROTO_IPX, NSPROTO_SPX, NSPROTO_SPXII, 0 };
if (!buffer)
return SOCKET_ERROR;
if (!protocols) protocols = local;
while (protocols[i]) i++;
size = i * sizeof(WSAPROTOCOL_INFOA);
if (*len < size)
if (*len < size || !buffer)
{
*len = size;
WSASetLastError(WSAENOBUFS);
return SOCKET_ERROR;
}
@ -367,18 +365,16 @@ INT WINAPI WSAEnumProtocolsW( LPINT protocols, LPWSAPROTOCOL_INFOW buffer, LPDWO
DWORD size = 0;
INT local[] = { WS_IPPROTO_TCP, WS_IPPROTO_UDP, NSPROTO_IPX, NSPROTO_SPX, NSPROTO_SPXII, 0 };
if (!buffer)
return SOCKET_ERROR;
if (!protocols) protocols = local;
while (protocols[i]) i++;
size = i * sizeof(WSAPROTOCOL_INFOW);
if (*len < size)
if (*len < size || !buffer)
{
*len = size;
WSASetLastError(WSAENOBUFS);
return SOCKET_ERROR;
}