winapi.c

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C语言 代码 · 共 85 行

/****************************************************************************
*
*                            Open Watcom Project
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*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
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*  ========================================================================
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*    This file contains Original Code and/or Modifications of Original
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****************************************************************************/


//
// WINAPI :     Windows API functions that could not be defined with pragmas
//

#include "ftnstd.h"

#include <stddef.h>

#define GMEM_MOVEABLE   0x0002
#define LMEM_MOVEABLE   0x0002

#define DWORD           unsigned long
#define WORD            unsigned int

typedef WORD            HANDLE;

extern  HANDLE          __far pascal GlobalReAlloc(HANDLE,DWORD,WORD);
extern  HANDLE          __far pascal LocalReAlloc(HANDLE,WORD,WORD);
extern  HANDLE          __far pascal LockSegment(WORD);
extern  HANDLE          __far pascal UnLockSegment(WORD);


HANDLE          GlobalDiscard( HANDLE h ) {
//=========================================

    return( GlobalReAlloc( h, 0, GMEM_MOVEABLE ) );
}


HANDLE          LocalDiscard( HANDLE h ) {
//========================================

    return( LocalReAlloc( h, 0, LMEM_MOVEABLE ) );
}


#pragma off (unreferenced);
HANDLE          LockData( HANDLE dummy ) {
#pragma on (unreferenced);
//========================================

    return( LockSegment( 0xffff ) );
}


#pragma off (unreferenced);
HANDLE          UnLockData( HANDLE dummy ) {
#pragma on (unreferenced);
//==========================================

    return( UnLockSegment( 0xffff ) );
}