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bc54d78532
handles - move the implementation of ExtractAssociatedIcon16 to ExtractAssociatedIconA - convert HICON to a void* - fixed some handle conversions that happened to be in the way while doing the above
118 lines
3.6 KiB
C
118 lines
3.6 KiB
C
/*
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* Interrupt vectors emulation
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*
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* Copyright 1995 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <sys/types.h>
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#include "windef.h"
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#include "wine/winbase16.h"
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#include "miscemu.h"
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#include "msdos.h"
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#include "module.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(int);
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static FARPROC16 INT_Vectors[256];
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static FARPROC48 INT_Vectors48[256];
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/* Ordinal number for interrupt 0 handler in WPROCS.DLL */
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#define FIRST_INTERRUPT 100
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/**********************************************************************
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* INT_GetPMHandler
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*
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* Return the protected mode interrupt vector for a given interrupt.
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*/
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FARPROC16 INT_GetPMHandler( BYTE intnum )
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{
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if (!INT_Vectors[intnum])
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{
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static HMODULE16 wprocs;
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if (!wprocs)
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{
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if (((wprocs = GetModuleHandle16( "wprocs" )) < 32) &&
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((wprocs = LoadLibrary16( "wprocs" )) < 32))
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{
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ERR("could not load wprocs.dll\n");
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return 0;
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}
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}
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if (!(INT_Vectors[intnum] = GetProcAddress16( wprocs, (LPCSTR)(FIRST_INTERRUPT + intnum))))
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{
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WARN("int%x not implemented, returning dummy handler\n", intnum );
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INT_Vectors[intnum] = GetProcAddress16( wprocs, (LPCSTR)(FIRST_INTERRUPT + 256) );
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}
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}
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return INT_Vectors[intnum];
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}
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/**********************************************************************
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* INT_SetPMHandler
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*
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* Set the protected mode interrupt handler for a given interrupt.
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*/
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void INT_SetPMHandler( BYTE intnum, FARPROC16 handler )
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{
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TRACE("Set protected mode interrupt vector %02x <- %04x:%04x\n",
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intnum, HIWORD(handler), LOWORD(handler) );
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INT_Vectors[intnum] = handler;
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}
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/**********************************************************************
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* INT_GetPMHandler48
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*
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* Return the protected mode interrupt vector for a given interrupt.
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* Used to get 48-bit pointer for 32-bit interrupt handlers in DPMI32.
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*/
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FARPROC48 INT_GetPMHandler48( BYTE intnum )
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{
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if (!INT_Vectors48[intnum].selector)
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{
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INT_Vectors48[intnum].selector = DOSMEM_dpmi_segments.int48_sel;
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INT_Vectors48[intnum].offset = 4 * intnum;
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}
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return INT_Vectors48[intnum];
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}
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/**********************************************************************
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* INT_SetPMHandler48
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*
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* Set the protected mode interrupt handler for a given interrupt.
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* Used to set 48-bit pointer for 32-bit interrupt handlers in DPMI32.
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*/
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void INT_SetPMHandler48( BYTE intnum, FARPROC48 handler )
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{
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TRACE("Set 32-bit protected mode interrupt vector %02x <- %04x:%08lx\n",
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intnum, handler.selector, handler.offset );
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INT_Vectors48[intnum] = handler;
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}
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/**********************************************************************
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* INT_DefaultHandler (WPROCS.356)
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*
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* Default interrupt handler.
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*/
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void WINAPI INT_DefaultHandler( CONTEXT86 *context )
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{
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}
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