ws2_32: Update WSASendTo's iovec properly.

15428534 · Damjan Jovanovic · Alexandre Julliard · a2c2b602 · 15428534
Commit 15428534 authored Jul 15, 2007 by Damjan Jovanovic Committed by Alexandre Julliard Jul 16, 2007
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socket.c dlls/ws2_32/socket.c +5 -7

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--- a/dlls/ws2_32/socket.c
+++ b/dlls/ws2_32/socket.c
@@ -2717,13 +2717,11 @@ INT WINAPI WSASendTo( SOCKET s, LPWSABUF lpBuffers, DWORD dwBufferCount,
            if (n > 0)
            {
                *lpNumberOfBytesSent += n;
-                if (iovec[first_buff].iov_len > n)
-                    iovec[first_buff].iov_len -= n;
-                else
-                {
-                    while (n > 0) n -= iovec[first_buff++].iov_len;
-                    if (first_buff >= dwBufferCount) break;
-                }
+                while (first_buff < dwBufferCount && iovec[first_buff].iov_len <= n)
+                    n -= iovec[first_buff++].iov_len;
+                if (first_buff >= dwBufferCount) break;
+                iovec[first_buff].iov_base = (char*)iovec[first_buff].iov_base + n;
+                iovec[first_buff].iov_len -= n;
            }

            if (timeout != -1)