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464 lines
13 KiB
C
464 lines
13 KiB
C
/*
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* Resources
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*
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* Copyright 1993 Robert J. Amstadt
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* Copyright 1995 Alexandre Julliard
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*/
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wine/winbase16.h"
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#include "wine/exception.h"
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#include "ldt.h"
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#include "global.h"
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#include "heap.h"
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#include "callback.h"
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#include "cursoricon.h"
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#include "task.h"
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#include "process.h"
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#include "module.h"
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#include "file.h"
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#include "debugtools.h"
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#include "winerror.h"
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#include "winnls.h"
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DEFAULT_DEBUG_CHANNEL(resource);
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#define HRSRC_MAP_BLOCKSIZE 16
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typedef struct _HRSRC_ELEM
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{
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HANDLE hRsrc;
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WORD type;
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} HRSRC_ELEM;
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typedef struct _HRSRC_MAP
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{
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int nAlloc;
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int nUsed;
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HRSRC_ELEM *elem;
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} HRSRC_MAP;
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/**********************************************************************
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* MapHRsrc32To16
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*/
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static HRSRC16 MapHRsrc32To16( NE_MODULE *pModule, HANDLE hRsrc32, WORD type )
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{
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HRSRC_MAP *map = (HRSRC_MAP *)pModule->hRsrcMap;
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HRSRC_ELEM *newElem;
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int i;
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/* On first call, initialize HRSRC map */
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if ( !map )
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{
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if ( !(map = (HRSRC_MAP *)HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
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sizeof(HRSRC_MAP) ) ) )
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{
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ERR("Cannot allocate HRSRC map\n" );
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return 0;
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}
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pModule->hRsrcMap = (LPVOID)map;
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}
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/* Check whether HRSRC32 already in map */
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for ( i = 0; i < map->nUsed; i++ )
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if ( map->elem[i].hRsrc == hRsrc32 )
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return (HRSRC16)(i + 1);
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/* If no space left, grow table */
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if ( map->nUsed == map->nAlloc )
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{
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if ( !(newElem = (HRSRC_ELEM *)HeapReAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
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map->elem,
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(map->nAlloc + HRSRC_MAP_BLOCKSIZE)
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* sizeof(HRSRC_ELEM) ) ))
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{
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ERR("Cannot grow HRSRC map\n" );
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return 0;
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}
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map->elem = newElem;
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map->nAlloc += HRSRC_MAP_BLOCKSIZE;
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}
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/* Add HRSRC32 to table */
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map->elem[map->nUsed].hRsrc = hRsrc32;
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map->elem[map->nUsed].type = type;
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map->nUsed++;
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return (HRSRC16)map->nUsed;
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}
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/**********************************************************************
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* MapHRsrc16To32
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*/
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static HANDLE MapHRsrc16To32( NE_MODULE *pModule, HRSRC16 hRsrc16 )
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{
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HRSRC_MAP *map = (HRSRC_MAP *)pModule->hRsrcMap;
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if ( !map || !hRsrc16 || (int)hRsrc16 > map->nUsed ) return 0;
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return map->elem[(int)hRsrc16-1].hRsrc;
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}
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/**********************************************************************
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* MapHRsrc16ToType
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*/
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static WORD MapHRsrc16ToType( NE_MODULE *pModule, HRSRC16 hRsrc16 )
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{
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HRSRC_MAP *map = (HRSRC_MAP *)pModule->hRsrcMap;
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if ( !map || !hRsrc16 || (int)hRsrc16 > map->nUsed ) return 0;
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return map->elem[(int)hRsrc16-1].type;
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}
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/* filter for page-fault exceptions */
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static WINE_EXCEPTION_FILTER(page_fault)
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{
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if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION)
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return EXCEPTION_EXECUTE_HANDLER;
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return EXCEPTION_CONTINUE_SEARCH;
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}
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static HRSRC RES_FindResource2( HMODULE hModule, LPCSTR type,
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LPCSTR name, WORD lang,
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BOOL bUnicode, BOOL bRet16 )
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{
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HRSRC hRsrc = 0;
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TRACE("(%08x, %08x%s, %08x%s, %04x, %s, %s)\n",
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hModule,
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(UINT)type, HIWORD(type)? (bUnicode? debugstr_w((LPWSTR)type) : debugstr_a(type)) : "",
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(UINT)name, HIWORD(name)? (bUnicode? debugstr_w((LPWSTR)name) : debugstr_a(name)) : "",
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lang,
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bUnicode? "W" : "A",
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bRet16? "NE" : "PE" );
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if (!HIWORD(hModule))
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{
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HMODULE16 hMod16 = MapHModuleLS( hModule );
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NE_MODULE *pModule = NE_GetPtr( hMod16 );
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if (!pModule) return 0;
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if (!pModule->module32)
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{
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/* 16-bit NE module */
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LPSTR typeStr, nameStr;
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if ( HIWORD( type ) && bUnicode )
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typeStr = HEAP_strdupWtoA( GetProcessHeap(), 0, (LPCWSTR)type );
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else
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typeStr = (LPSTR)type;
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if ( HIWORD( name ) && bUnicode )
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nameStr = HEAP_strdupWtoA( GetProcessHeap(), 0, (LPCWSTR)name );
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else
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nameStr = (LPSTR)name;
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hRsrc = NE_FindResource( pModule, nameStr, typeStr );
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if ( HIWORD( type ) && bUnicode )
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HeapFree( GetProcessHeap(), 0, typeStr );
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if ( HIWORD( name ) && bUnicode )
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HeapFree( GetProcessHeap(), 0, nameStr );
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/* If we need to return 32-bit HRSRC, no conversion is necessary,
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we simply use the 16-bit HRSRC as 32-bit HRSRC */
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}
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else
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{
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/* 32-bit PE module */
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hRsrc = RES_FindResource2( pModule->module32, type, name, lang, bUnicode, FALSE );
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/* If we need to return 16-bit HRSRC, perform conversion */
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if ( bRet16 )
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hRsrc = MapHRsrc32To16( pModule, hRsrc,
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HIWORD( type )? 0 : LOWORD( type ) );
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}
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}
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else
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{
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/* 32-bit PE module */
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LPWSTR typeStr, nameStr;
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if ( HIWORD( type ) && !bUnicode )
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typeStr = HEAP_strdupAtoW( GetProcessHeap(), 0, type );
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else
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typeStr = (LPWSTR)type;
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if ( HIWORD( name ) && !bUnicode )
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nameStr = HEAP_strdupAtoW( GetProcessHeap(), 0, name );
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else
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nameStr = (LPWSTR)name;
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/* Here is the real difference between FindResouce and FindResourceEx */
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if(lang == MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL) ||
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lang == MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT) ||
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lang == MAKELANGID(LANG_NEUTRAL, SUBLANG_SYS_DEFAULT) ||
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lang == MAKELANGID(LANG_NEUTRAL, 3)) /* FIXME: real name? */
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hRsrc = PE_FindResourceW( hModule, nameStr, typeStr );
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else
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hRsrc = PE_FindResourceExW( hModule, nameStr, typeStr, lang );
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if ( HIWORD( type ) && !bUnicode )
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HeapFree( GetProcessHeap(), 0, typeStr );
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if ( HIWORD( name ) && !bUnicode )
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HeapFree( GetProcessHeap(), 0, nameStr );
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}
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return hRsrc;
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}
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/**********************************************************************
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* RES_FindResource
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*/
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static HRSRC RES_FindResource( HMODULE hModule, LPCSTR type,
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LPCSTR name, WORD lang,
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BOOL bUnicode, BOOL bRet16 )
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{
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HRSRC hRsrc;
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__TRY
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{
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hRsrc = RES_FindResource2(hModule, type, name, lang, bUnicode, bRet16);
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}
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__EXCEPT(page_fault)
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{
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WARN("page fault\n");
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SetLastError(ERROR_INVALID_PARAMETER);
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return 0;
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}
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__ENDTRY
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return hRsrc;
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}
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/**********************************************************************
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* RES_SizeofResource
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*/
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static DWORD RES_SizeofResource( HMODULE hModule, HRSRC hRsrc, BOOL bRet16 )
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{
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if (!hRsrc) return 0;
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TRACE("(%08x, %08x, %s)\n", hModule, hRsrc, bRet16? "NE" : "PE" );
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if (!HIWORD(hModule))
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{
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HMODULE16 hMod16 = MapHModuleLS( hModule );
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NE_MODULE *pModule = NE_GetPtr( hMod16 );
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if (!pModule) return 0;
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if (!pModule->module32) /* 16-bit NE module */
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{
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/* If we got a 32-bit hRsrc, we don't need to convert it */
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return NE_SizeofResource( pModule, hRsrc );
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}
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/* If we got a 16-bit hRsrc, convert it */
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if (!HIWORD(hRsrc)) hRsrc = MapHRsrc16To32( pModule, hRsrc );
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}
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/* 32-bit PE module */
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return PE_SizeofResource( hRsrc );
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}
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/**********************************************************************
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* RES_LoadResource
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*/
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static HGLOBAL RES_LoadResource( HMODULE hModule, HRSRC hRsrc, BOOL bRet16 )
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{
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HGLOBAL hMem = 0;
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TRACE("(%08x, %08x, %s)\n", hModule, hRsrc, bRet16? "NE" : "PE" );
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if (!hRsrc) return 0;
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if (!HIWORD(hModule))
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{
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HMODULE16 hMod16 = MapHModuleLS( hModule );
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NE_MODULE *pModule = NE_GetPtr( hMod16 );
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if (!pModule) return 0;
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if (!pModule->module32)
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{
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/* 16-bit NE module */
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/* If we got a 32-bit hRsrc, we don't need to convert it */
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hMem = NE_LoadResource( pModule, hRsrc );
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/* If we are to return a 32-bit resource, we should probably
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convert it but we don't for now. FIXME !!! */
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return hMem;
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}
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else
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{
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/* If we got a 16-bit hRsrc, convert it */
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HRSRC hRsrc32 = HIWORD(hRsrc)? hRsrc : MapHRsrc16To32( pModule, hRsrc );
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hMem = PE_LoadResource( pModule->module32, hRsrc32 );
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/* If we need to return a 16-bit resource, convert it */
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if ( bRet16 )
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{
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WORD type = MapHRsrc16ToType( pModule, hRsrc );
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DWORD size = SizeofResource( hModule, hRsrc );
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LPVOID bits = LockResource( hMem );
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hMem = NE_LoadPEResource( pModule, type, bits, size );
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}
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}
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}
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else
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{
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/* 32-bit PE module */
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hMem = PE_LoadResource( hModule, hRsrc );
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}
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return hMem;
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}
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/**********************************************************************
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* FindResource16 (KERNEL.60)
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*/
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HRSRC16 WINAPI FindResource16( HMODULE16 hModule, LPCSTR name, LPCSTR type )
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{
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return RES_FindResource( hModule, type, name,
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MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL), FALSE, TRUE );
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}
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/**********************************************************************
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* FindResourceA (KERNEL32.128)
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*/
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HANDLE WINAPI FindResourceA( HMODULE hModule, LPCSTR name, LPCSTR type )
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{
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return RES_FindResource( hModule, type, name,
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MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL), FALSE, FALSE );
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}
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/**********************************************************************
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* FindResourceExA (KERNEL32.129)
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*/
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HANDLE WINAPI FindResourceExA( HMODULE hModule,
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LPCSTR type, LPCSTR name, WORD lang )
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{
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return RES_FindResource( hModule, type, name,
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lang, FALSE, FALSE );
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}
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/**********************************************************************
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* FindResourceExW (KERNEL32.130)
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*/
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HRSRC WINAPI FindResourceExW( HMODULE hModule,
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LPCWSTR type, LPCWSTR name, WORD lang )
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{
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return RES_FindResource( hModule, (LPCSTR)type, (LPCSTR)name,
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lang, TRUE, FALSE );
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}
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/**********************************************************************
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* FindResourceW (KERNEL32.131)
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*/
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HRSRC WINAPI FindResourceW(HINSTANCE hModule, LPCWSTR name, LPCWSTR type)
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{
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return RES_FindResource( hModule, (LPCSTR)type, (LPCSTR)name,
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MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL), TRUE, FALSE );
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}
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/**********************************************************************
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* LoadResource16 (KERNEL.61)
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*/
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HGLOBAL16 WINAPI LoadResource16( HMODULE16 hModule, HRSRC16 hRsrc )
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{
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return RES_LoadResource( hModule, hRsrc, TRUE );
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}
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/**********************************************************************
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* LoadResource (KERNEL32.370)
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*/
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HGLOBAL WINAPI LoadResource( HINSTANCE hModule, HRSRC hRsrc )
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{
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return RES_LoadResource( hModule, hRsrc, FALSE );
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}
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/**********************************************************************
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* LockResource16 (KERNEL.62)
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*/
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SEGPTR WINAPI WIN16_LockResource16( HGLOBAL16 handle )
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{
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TRACE("(%04x)\n", handle );
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/* May need to reload the resource if discarded */
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return WIN16_GlobalLock16( handle );
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}
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/**********************************************************************
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* LockResource16 (KERNEL but also exported from KERNEL32 in Wine)
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*/
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LPVOID WINAPI LockResource16( HGLOBAL16 handle )
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{
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return PTR_SEG_TO_LIN( WIN16_LockResource16(handle) );
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}
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/**********************************************************************
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* LockResource (KERNEL32.384)
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*/
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LPVOID WINAPI LockResource( HGLOBAL handle )
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{
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TRACE("(%08x)\n", handle );
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if (HIWORD( handle )) /* 32-bit memory handle */
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return (LPVOID)handle;
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/* 16-bit memory handle */
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return LockResource16( handle );
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}
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/**********************************************************************
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* FreeResource16 (KERNEL.63)
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*/
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BOOL16 WINAPI FreeResource16( HGLOBAL16 handle )
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{
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HGLOBAL retv = handle;
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NE_MODULE *pModule = NE_GetPtr( FarGetOwner16( handle ) );
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TRACE("(%04x)\n", handle );
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/* Try NE resource first */
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retv = NE_FreeResource( pModule, handle );
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/* If this failed, call USER.DestroyIcon32; this will check
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whether it is a shared cursor/icon; if not it will call
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GlobalFree16() */
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if ( retv )
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{
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if ( Callout.DestroyIcon32 )
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retv = Callout.DestroyIcon32( handle, CID_RESOURCE );
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else
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retv = GlobalFree16( handle );
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}
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return (BOOL)retv;
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}
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/**********************************************************************
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* FreeResource (KERNEL32.145)
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*/
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BOOL WINAPI FreeResource( HGLOBAL handle )
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{
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if (HIWORD(handle)) return 0; /* 32-bit memory handle: nothing to do */
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return FreeResource16( handle );
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}
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/**********************************************************************
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* SizeofResource16 (KERNEL.65)
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*/
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DWORD WINAPI SizeofResource16( HMODULE16 hModule, HRSRC16 hRsrc )
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{
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return RES_SizeofResource( hModule, hRsrc, TRUE );
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}
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/**********************************************************************
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* SizeofResource (KERNEL32.522)
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*/
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DWORD WINAPI SizeofResource( HINSTANCE hModule, HRSRC hRsrc )
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{
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return RES_SizeofResource( hModule, hRsrc, FALSE );
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}
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