76 lines
1.6 KiB
C
76 lines
1.6 KiB
C
#ifndef WIN32_LEAN_AND_MEAN
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#define WIN32_LEAN_AND_MEAN
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#endif
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#undef __CRT__NO_INLINE
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#define __CRT__NO_INLINE
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#include <winsock2.h>
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#include <wspiapi.h>
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FARPROC WINAPI
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WspiapiLoad (WORD wFunction)
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{
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static WINBOOL isinit = FALSE;
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static WSPIAPI_FUNCTION rgtGlobal[] = WSPIAPI_FUNCTION_ARRAY;
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static const int iNumGlobal = (sizeof(rgtGlobal) / sizeof(WSPIAPI_FUNCTION));
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HMODULE hlib = NULL;
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WSPIAPI_FUNCTION rgtLocal[] = WSPIAPI_FUNCTION_ARRAY;
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FARPROC fScratch = NULL;
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int i = 0;
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if (isinit)
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return rgtGlobal[wFunction].pfAddress;
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for (;;)
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{
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CHAR systemdir[MAX_PATH + 1], path[MAX_PATH + 8];
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if (GetSystemDirectoryA (systemdir, MAX_PATH) == 0)
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break;
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strcpy (path, systemdir);
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strcat (path, "\\ws2_32");
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hlib = LoadLibraryA (path);
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if(hlib != NULL)
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{
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fScratch = GetProcAddress (hlib, "getaddrinfo");
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if (!fScratch)
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{
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FreeLibrary (hlib);
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hlib = NULL;
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}
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}
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if (hlib != NULL)
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break;
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strcpy (path, systemdir);
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strcat (path, "\\wship6");
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hlib = LoadLibraryA (path);
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if (hlib != NULL)
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{
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if ((fScratch = GetProcAddress (hlib, "getaddrinfo")) == NULL)
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{
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FreeLibrary (hlib);
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hlib = NULL;
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}
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}
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break;
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}
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if (hlib != NULL)
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{
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for (i = 0; i < iNumGlobal; i++)
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{
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if ((rgtLocal[i].pfAddress = GetProcAddress (hlib, rgtLocal[i].pszName)) == NULL)
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{
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FreeLibrary (hlib);
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hlib = NULL;
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break;
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}
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}
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if (hlib != NULL)
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{
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for (i = 0; i < iNumGlobal; i++)
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rgtGlobal[i].pfAddress = rgtLocal[i].pfAddress;
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}
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}
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isinit = TRUE;
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return rgtGlobal[wFunction].pfAddress;
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}
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