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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| 
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| #include<config.h>
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| 
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| #include <roken.h>
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| 
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| #ifndef _WIN32
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| #error Only implemented for Windows
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| #endif
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| 
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| volatile LONG _startup_count = 0;
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| 
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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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| 
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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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| 
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| 	InterlockedIncrement(&_startup_count);
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| 	return 0;
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|     }
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| 
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|     return -1;
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| }
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| 
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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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| 
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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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| 
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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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