68 lines
1.5 KiB
C
68 lines
1.5 KiB
C
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/***
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*loaddll.c - load or free a Dynamic Link Library
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*
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* Copyright (c) 1991-2001, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* defines _loaddll() and _unloaddll() - load and unload DLL
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*
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*Revision History:
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* 08-21-91 BWM Wrote module.
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* 09-30-93 GJF Resurrected for compatibility with NT SDK.
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* 02-06-98 GJF Changes for Win64: changed return type to intptr_t.
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*
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*******************************************************************************/
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#include <cruntime.h>
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#include <oscalls.h>
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#include <stdlib.h>
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#include <process.h>
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/***
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*int _loaddll(filename) - Load a dll
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*
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*Purpose:
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* Load a DLL into memory
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*
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*Entry:
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* char *filename - file to load
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*
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*Exit:
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* returns a unique DLL (module) handle if succeeds
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* returns 0 if fails
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*
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*Exceptions:
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*
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*******************************************************************************/
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intptr_t __cdecl _loaddll(char * szName)
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{
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return ((intptr_t)LoadLibrary(szName));
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}
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/***
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*int _unloaddll(handle) - Unload a dll
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*
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*Purpose:
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* Unloads a DLL. The resources of the DLL will be freed if no other
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* processes are using it.
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*
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*Entry:
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* int handle - handle from _loaddll
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*
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*Exit:
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* returns 0 if succeeds
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* returns DOS error if fails
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*
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*Exceptions:
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*
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*******************************************************************************/
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int __cdecl _unloaddll(intptr_t hMod)
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{
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if (!FreeLibrary((HANDLE)hMod)) {
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return ((int)GetLastError());
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}
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return (0);
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}
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