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ws2_32: Avoid memory allocation for simple sends.

This commit is contained in:
Bruno Jesus 2014-05-19 18:16:21 -03:00 committed by Alexandre Julliard
parent abea10fa93
commit 752219396d
1 changed files with 17 additions and 10 deletions
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27
dlls/ws2_32/socket.c
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@ -4517,10 +4517,9 @@ static int WS2_sendto( SOCKET s, LPWSABUF lpBuffers, DWORD dwBufferCount,
LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine )
{
unsigned int i, options;
int n, fd, err;
struct ws2_async *wsa = NULL;
int n, fd, err, overlapped;
struct ws2_async *wsa = NULL, localwsa;
int totalLength = 0;
ULONG_PTR cvalue = (lpOverlapped && ((ULONG_PTR)lpOverlapped->hEvent & 1) == 0) ? (ULONG_PTR)lpOverlapped : 0;
DWORD bytes_sent;
BOOL is_blocking;
@ -4538,11 +4537,19 @@ static int WS2_sendto( SOCKET s, LPWSABUF lpBuffers, DWORD dwBufferCount,
err = WSAEFAULT;
goto error;
}
if (!(wsa = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET(struct ws2_async, iovec[dwBufferCount]) )))
overlapped = (lpOverlapped || lpCompletionRoutine) &&
!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT));
if (overlapped || dwBufferCount > 1)
{
err = WSAEFAULT;
goto error;
if (!(wsa = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET(struct ws2_async, iovec[dwBufferCount]) )))
{
err = WSAEFAULT;
goto error;
}
}
else
wsa = &localwsa;
wsa->hSocket = SOCKET2HANDLE(s);
wsa->addr = (struct WS_sockaddr *)to;
@ -4566,10 +4573,10 @@ static int WS2_sendto( SOCKET s, LPWSABUF lpBuffers, DWORD dwBufferCount,
goto error;
}
if ((lpOverlapped || lpCompletionRoutine) &&
!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)))
if (overlapped)
{
IO_STATUS_BLOCK *iosb = lpOverlapped ? (IO_STATUS_BLOCK *)lpOverlapped : &wsa->local_iosb;
ULONG_PTR cvalue = (lpOverlapped && ((ULONG_PTR)lpOverlapped->hEvent & 1) == 0) ? (ULONG_PTR)lpOverlapped : 0;
wsa->user_overlapped = lpOverlapped;
wsa->completion_func = lpCompletionRoutine;
@ -4677,13 +4684,13 @@ static int WS2_sendto( SOCKET s, LPWSABUF lpBuffers, DWORD dwBufferCount,
TRACE(" -> %i bytes\n", bytes_sent);
if (lpNumberOfBytesSent) *lpNumberOfBytesSent = bytes_sent;
HeapFree( GetProcessHeap(), 0, wsa );
if (wsa != &localwsa) HeapFree( GetProcessHeap(), 0, wsa );
release_sock_fd( s, fd );
WSASetLastError(0);
return 0;
error:
HeapFree( GetProcessHeap(), 0, wsa );
if (wsa != &localwsa) HeapFree( GetProcessHeap(), 0, wsa );
release_sock_fd( s, fd );
WARN(" -> ERROR %d\n", err);
WSASetLastError(err);