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515 lines
15 KiB
C
515 lines
15 KiB
C
/*
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* DDEML library
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*
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* Copyright 1997 Alexandre Julliard
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* Copyright 1997 Len White
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* Copyright 1999 Keith Matthews
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* Copyright 2000 Corel
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* Copyright 2001,2002,2009 Eric Pouech
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#include <string.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wine/windef16.h"
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#include "wine/winbase16.h"
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#include "wownt32.h"
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#include "dde.h"
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#include "ddeml.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(ddeml);
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typedef HDDEDATA (CALLBACK *PFNCALLBACK16)(UINT16,UINT16,HCONV,HSZ,HSZ,HDDEDATA,
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DWORD,DWORD);
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typedef struct
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{
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UINT16 cb;
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UINT16 wFlags;
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UINT16 wCountryID;
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INT16 iCodePage;
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DWORD dwLangID;
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DWORD dwSecurity;
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} CONVCONTEXT16, *LPCONVCONTEXT16;
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typedef struct
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{
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DWORD cb;
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DWORD hUser;
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HCONV hConvPartner;
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HSZ hszSvcPartner;
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HSZ hszServiceReq;
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HSZ hszTopic;
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HSZ hszItem;
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UINT16 wFmt;
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UINT16 wType;
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UINT16 wStatus;
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UINT16 wConvst;
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UINT16 wLastError;
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HCONVLIST hConvList;
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CONVCONTEXT16 ConvCtxt;
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} CONVINFO16, *LPCONVINFO16;
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static void map1632_conv_context(CONVCONTEXT* cc32, const CONVCONTEXT16* cc16)
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{
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cc32->cb = sizeof(*cc32);
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cc32->wFlags = cc16->wFlags;
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cc32->wCountryID = cc16->wCountryID;
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cc32->iCodePage = cc16->iCodePage;
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cc32->dwLangID = cc16->dwLangID;
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cc32->dwSecurity = cc16->dwSecurity;
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}
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static void map3216_conv_context(CONVCONTEXT16* cc16, const CONVCONTEXT* cc32)
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{
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cc16->cb = sizeof(*cc16);
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cc16->wFlags = cc32->wFlags;
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cc16->wCountryID = cc32->wCountryID;
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cc16->iCodePage = cc32->iCodePage;
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cc16->dwLangID = cc32->dwLangID;
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cc16->dwSecurity = cc32->dwSecurity;
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}
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/******************************************************************
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* WDML_InvokeCallback16
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*
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*
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*/
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static HDDEDATA CALLBACK WDML_InvokeCallback16(DWORD pfn16, UINT uType, UINT uFmt,
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HCONV hConv, HSZ hsz1, HSZ hsz2,
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HDDEDATA hdata, ULONG_PTR dwData1, ULONG_PTR dwData2)
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{
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DWORD d1 = 0;
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HDDEDATA ret;
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CONVCONTEXT16 cc16;
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WORD args[16];
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switch (uType)
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{
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case XTYP_CONNECT:
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case XTYP_WILDCONNECT:
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if (dwData1)
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{
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map3216_conv_context(&cc16, (const CONVCONTEXT*)dwData1);
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d1 = MapLS(&cc16);
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}
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break;
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default:
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d1 = dwData1;
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break;
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}
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args[15] = HIWORD(uType);
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args[14] = LOWORD(uType);
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args[13] = HIWORD(uFmt);
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args[12] = LOWORD(uFmt);
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args[11] = HIWORD(hConv);
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args[10] = LOWORD(hConv);
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args[9] = HIWORD(hsz1);
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args[8] = LOWORD(hsz1);
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args[7] = HIWORD(hsz2);
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args[6] = LOWORD(hsz2);
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args[5] = HIWORD(hdata);
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args[4] = LOWORD(hdata);
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args[3] = HIWORD(d1);
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args[2] = LOWORD(d1);
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args[1] = HIWORD(dwData2);
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args[0] = LOWORD(dwData2);
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WOWCallback16Ex(pfn16, WCB16_PASCAL, sizeof(args), args, (DWORD *)&ret);
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switch (uType)
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{
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case XTYP_CONNECT:
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case XTYP_WILDCONNECT:
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if (d1 != 0) UnMapLS(d1);
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break;
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}
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return ret;
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}
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#define MAX_THUNKS 32
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/* As DDEML doesn't provide a way to get back to an InstanceID when
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* a callback is run, we use thunk in order to implement simply the
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* 32bit->16bit callback mechanism.
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* For each 16bit instance, we create a thunk, which will be passed as
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* a 32bit callback. This thunk also stores (in the code!) the 16bit
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* address of the 16bit callback, and passes it back to
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* WDML_InvokeCallback16.
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* The code below is mainly to create the thunks themselves
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*/
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#include "pshpack1.h"
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static struct ddeml_thunk
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{
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BYTE popl_eax; /* popl %eax (return address) */
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BYTE pushl_func; /* pushl $pfn16 (16bit callback function) */
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SEGPTR pfn16;
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BYTE pushl_eax; /* pushl %eax */
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BYTE jmp; /* ljmp WDML_InvokeCallback16 */
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DWORD callback;
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DWORD instId; /* instance ID */
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} *DDEML16_Thunks;
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#include "poppack.h"
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static CRITICAL_SECTION ddeml_cs;
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static CRITICAL_SECTION_DEBUG critsect_debug =
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{
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0, 0, &ddeml_cs,
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{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
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0, 0, { (DWORD_PTR)(__FILE__ ": ddeml_cs") }
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};
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static CRITICAL_SECTION ddeml_cs = { &critsect_debug, -1, 0, 0, 0, 0 };
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static struct ddeml_thunk* DDEML_AddThunk(DWORD instId, DWORD pfn16)
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{
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struct ddeml_thunk* thunk;
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if (!DDEML16_Thunks)
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{
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DDEML16_Thunks = VirtualAlloc(NULL, MAX_THUNKS * sizeof(*DDEML16_Thunks), MEM_COMMIT,
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PAGE_EXECUTE_READWRITE);
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if (!DDEML16_Thunks) return NULL;
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for (thunk = DDEML16_Thunks; thunk < &DDEML16_Thunks[MAX_THUNKS]; thunk++)
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{
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thunk->popl_eax = 0x58; /* popl %eax */
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thunk->pushl_func = 0x68; /* pushl $pfn16 */
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thunk->pfn16 = 0;
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thunk->pushl_eax = 0x50; /* pushl %eax */
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thunk->jmp = 0xe9; /* jmp WDML_InvokeCallback16 */
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thunk->callback = (char *)WDML_InvokeCallback16 - (char *)(&thunk->callback + 1);
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thunk->instId = 0;
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}
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}
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for (thunk = DDEML16_Thunks; thunk < &DDEML16_Thunks[MAX_THUNKS]; thunk++)
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{
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/* either instId is 0, and we're looking for an empty slot, or
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* instId is an already existing instance, and we should find its thunk
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*/
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if (thunk->instId == instId)
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{
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thunk->pfn16 = pfn16;
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return thunk;
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}
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}
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FIXME("Out of ddeml-thunks. Bump MAX_THUNKS\n");
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return NULL;
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}
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/******************************************************************************
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* DdeInitialize (DDEML.2)
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*/
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UINT16 WINAPI DdeInitialize16(LPDWORD pidInst, PFNCALLBACK16 pfnCallback,
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DWORD afCmd, DWORD ulRes)
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{
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UINT16 ret;
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struct ddeml_thunk* thunk;
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EnterCriticalSection(&ddeml_cs);
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if ((thunk = DDEML_AddThunk(*pidInst, (DWORD)pfnCallback)))
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{
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ret = DdeInitializeA(pidInst, (PFNCALLBACK)thunk, afCmd, ulRes);
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if (ret == DMLERR_NO_ERROR) thunk->instId = *pidInst;
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}
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else ret = DMLERR_SYS_ERROR;
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LeaveCriticalSection(&ddeml_cs);
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return ret;
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}
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/*****************************************************************
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* DdeUninitialize (DDEML.3)
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*/
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BOOL16 WINAPI DdeUninitialize16(DWORD idInst)
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{
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struct ddeml_thunk* thunk;
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BOOL16 ret = FALSE;
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if (!DdeUninitialize(idInst)) return FALSE;
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EnterCriticalSection(&ddeml_cs);
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for (thunk = DDEML16_Thunks; thunk < &DDEML16_Thunks[MAX_THUNKS]; thunk++)
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{
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if (thunk->instId == idInst)
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{
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thunk->instId = 0;
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ret = TRUE;
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break;
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}
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}
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LeaveCriticalSection(&ddeml_cs);
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if (!ret) FIXME("Should never happen\n");
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return ret;
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}
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/*****************************************************************
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* DdeConnectList [DDEML.4]
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*/
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HCONVLIST WINAPI DdeConnectList16(DWORD idInst, HSZ hszService, HSZ hszTopic,
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HCONVLIST hConvList, LPCONVCONTEXT16 pCC16)
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{
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CONVCONTEXT cc;
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CONVCONTEXT* pCC = NULL;
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if (pCC16)
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map1632_conv_context(pCC = &cc, pCC16);
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return DdeConnectList(idInst, hszService, hszTopic, hConvList, pCC);
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}
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/*****************************************************************
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* DdeQueryNextServer [DDEML.5]
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*/
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HCONV WINAPI DdeQueryNextServer16(HCONVLIST hConvList, HCONV hConvPrev)
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{
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return DdeQueryNextServer(hConvList, hConvPrev);
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}
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/*****************************************************************
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* DdeDisconnectList (DDEML.6)
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*/
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BOOL16 WINAPI DdeDisconnectList16(HCONVLIST hConvList)
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{
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return (BOOL16)DdeDisconnectList(hConvList);
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}
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/*****************************************************************
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* DdeQueryString (DDEML.23)
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*/
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DWORD WINAPI DdeQueryString16(DWORD idInst, HSZ hsz, LPSTR lpsz, DWORD cchMax,
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INT16 codepage)
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{
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return DdeQueryStringA(idInst, hsz, lpsz, cchMax, codepage);
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}
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/*****************************************************************
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* DdeConnect (DDEML.7)
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*/
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HCONV WINAPI DdeConnect16(DWORD idInst, HSZ hszService, HSZ hszTopic,
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LPCONVCONTEXT16 pCC16)
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{
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CONVCONTEXT cc;
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CONVCONTEXT* pCC = NULL;
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if (pCC16)
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map1632_conv_context(pCC = &cc, pCC16);
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return DdeConnect(idInst, hszService, hszTopic, pCC);
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}
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/*****************************************************************
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* DdeDisconnect (DDEML.8)
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*/
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BOOL16 WINAPI DdeDisconnect16(HCONV hConv)
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{
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return (BOOL16)DdeDisconnect(hConv);
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}
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/*****************************************************************
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* DdeSetUserHandle (DDEML.10)
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*/
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BOOL16 WINAPI DdeSetUserHandle16(HCONV hConv, DWORD id, DWORD hUser)
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{
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return DdeSetUserHandle(hConv, id, hUser);
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}
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/*****************************************************************
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* DdeCreateDataHandle (DDEML.14)
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*/
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HDDEDATA WINAPI DdeCreateDataHandle16(DWORD idInst, LPBYTE pSrc, DWORD cb,
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DWORD cbOff, HSZ hszItem, UINT16 wFmt,
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UINT16 afCmd)
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{
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return DdeCreateDataHandle(idInst, pSrc, cb, cbOff, hszItem, wFmt, afCmd);
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}
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/*****************************************************************
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* DdeCreateStringHandle (DDEML.21)
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*/
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HSZ WINAPI DdeCreateStringHandle16(DWORD idInst, LPCSTR str, INT16 codepage)
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{
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if (codepage)
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{
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return DdeCreateStringHandleA(idInst, str, codepage);
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}
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else
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{
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TRACE("Default codepage supplied\n");
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return DdeCreateStringHandleA(idInst, str, CP_WINANSI);
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}
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}
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/*****************************************************************
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* DdeFreeStringHandle (DDEML.22)
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*/
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BOOL16 WINAPI DdeFreeStringHandle16(DWORD idInst, HSZ hsz)
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{
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return (BOOL16)DdeFreeStringHandle(idInst, hsz);
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}
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/*****************************************************************
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* DdeFreeDataHandle (DDEML.19)
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*/
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BOOL16 WINAPI DdeFreeDataHandle16(HDDEDATA hData)
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{
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return (BOOL16)DdeFreeDataHandle(hData);
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}
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/*****************************************************************
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* DdeKeepStringHandle (DDEML.24)
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*/
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BOOL16 WINAPI DdeKeepStringHandle16(DWORD idInst, HSZ hsz)
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{
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return DdeKeepStringHandle(idInst, hsz);
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}
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/*****************************************************************
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* DdeClientTransaction (DDEML.11)
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*/
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HDDEDATA WINAPI DdeClientTransaction16(LPVOID pData, DWORD cbData, HCONV hConv,
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HSZ hszItem, UINT16 wFmt, UINT16 wType,
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DWORD dwTimeout, LPDWORD pdwResult)
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{
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if (cbData != (DWORD)-1)
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{
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/* pData is not a pointer if cbData is -1, so we linearize the address
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* here rather than in the calling code. */
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pData = MapSL((SEGPTR)pData);
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}
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return DdeClientTransaction(pData, cbData, hConv, hszItem,
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wFmt, wType, dwTimeout, pdwResult);
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}
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/*****************************************************************
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*
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* DdeAbandonTransaction (DDEML.12)
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*
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*/
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BOOL16 WINAPI DdeAbandonTransaction16(DWORD idInst, HCONV hConv, DWORD idTransaction)
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{
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return (BOOL16)DdeAbandonTransaction(idInst, hConv, idTransaction);
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}
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/*****************************************************************
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* DdePostAdvise [DDEML.13]
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*/
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BOOL16 WINAPI DdePostAdvise16(DWORD idInst, HSZ hszTopic, HSZ hszItem)
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{
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return (BOOL16)DdePostAdvise(idInst, hszTopic, hszItem);
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}
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/*****************************************************************
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* DdeAddData (DDEML.15)
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*/
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HDDEDATA WINAPI DdeAddData16(HDDEDATA hData, LPBYTE pSrc, DWORD cb, DWORD cbOff)
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{
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return DdeAddData(hData, pSrc, cb, cbOff);
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}
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/*****************************************************************
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* DdeGetData [DDEML.16]
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*/
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DWORD WINAPI DdeGetData16(HDDEDATA hData, LPBYTE pDst, DWORD cbMax, DWORD cbOff)
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{
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return DdeGetData(hData, pDst, cbMax, cbOff);
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}
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/*****************************************************************
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* DdeAccessData (DDEML.17)
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*/
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LPBYTE WINAPI DdeAccessData16(HDDEDATA hData, LPDWORD pcbDataSize)
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{
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FIXME("expect trouble\n");
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/* FIXME: there's a memory leak here... */
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return (LPBYTE)MapLS(DdeAccessData(hData, pcbDataSize));
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}
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/*****************************************************************
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* DdeUnaccessData (DDEML.18)
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*/
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BOOL16 WINAPI DdeUnaccessData16(HDDEDATA hData)
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{
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return DdeUnaccessData(hData);
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}
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/*****************************************************************
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* DdeEnableCallback (DDEML.26)
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*/
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BOOL16 WINAPI DdeEnableCallback16(DWORD idInst, HCONV hConv, UINT16 wCmd)
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{
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return DdeEnableCallback(idInst, hConv, wCmd);
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}
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/*****************************************************************
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* DdeNameService (DDEML.27)
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*/
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HDDEDATA WINAPI DdeNameService16(DWORD idInst, HSZ hsz1, HSZ hsz2, UINT16 afCmd)
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{
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return DdeNameService(idInst, hsz1, hsz2, afCmd);
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}
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/*****************************************************************
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* DdeGetLastError (DDEML.20)
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*/
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UINT16 WINAPI DdeGetLastError16(DWORD idInst)
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{
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return (UINT16)DdeGetLastError(idInst);
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}
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/*****************************************************************
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* DdeCmpStringHandles (DDEML.36)
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*/
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INT16 WINAPI DdeCmpStringHandles16(HSZ hsz1, HSZ hsz2)
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{
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return DdeCmpStringHandles(hsz1, hsz2);
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}
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/******************************************************************
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* DdeQueryConvInfo (DDEML.9)
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*
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*/
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UINT16 WINAPI DdeQueryConvInfo16(HCONV hConv, DWORD idTransaction,
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LPCONVINFO16 lpConvInfo)
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{
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CONVINFO ci32;
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CONVINFO16 ci16;
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UINT ret;
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ci32.cb = sizeof(ci32);
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ci32.ConvCtxt.cb = sizeof(ci32.ConvCtxt);
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ret = DdeQueryConvInfo(hConv, idTransaction, &ci32);
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if (ret == 0) return 0;
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ci16.cb = lpConvInfo->cb;
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ci16.hUser = ci32.hUser;
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ci16.hConvPartner = ci32.hConvPartner;
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ci16.hszSvcPartner = ci32.hszSvcPartner;
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ci16.hszServiceReq = ci32.hszServiceReq;
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ci16.hszTopic = ci32.hszTopic;
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ci16.hszItem = ci32.hszItem;
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ci16.wFmt = ci32.wFmt;
|
|
ci16.wType = ci32.wType;
|
|
ci16.wStatus = ci32.wStatus;
|
|
ci16.wConvst = ci32.wConvst;
|
|
ci16.wLastError = ci32.wLastError;
|
|
ci16.hConvList = ci32.hConvList;
|
|
|
|
map3216_conv_context(&ci16.ConvCtxt, &ci32.ConvCtxt);
|
|
|
|
memcpy(lpConvInfo, &ci16, lpConvInfo->cb);
|
|
return lpConvInfo->cb;
|
|
}
|