76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
/***********************************************************************
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* Copyright (c) 2009, Secure Endpoints Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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**********************************************************************/
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#include<config.h>
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#include <roken.h>
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#ifndef _WIN32
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#error Only implemented for Windows
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#endif
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volatile LONG _startup_count = 0;
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ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
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rk_WSAStartup(void)
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{
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WSADATA wsad;
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if (!WSAStartup( MAKEWORD(2, 2), &wsad )) {
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if (wsad.wVersion != MAKEWORD(2, 2)) {
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/* huh? We can't use 2.2? */
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WSACleanup();
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return -1;
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}
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InterlockedIncrement(&_startup_count);
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return 0;
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}
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return -1;
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}
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ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
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rk_WSACleanup(void)
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{
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LONG l;
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if ((l = InterlockedDecrement(&_startup_count)) < 0) {
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l = InterlockedIncrement(&_startup_count) - 1;
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}
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if (l >= 0) {
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return WSACleanup();
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}
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return -1;
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}
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