mirror of
https://github.com/reactos/wine.git
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249 lines
8.0 KiB
C
249 lines
8.0 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, 2003 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 "config.h"
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#include "wine/port.h"
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#include "windef.h"
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#include "winternl.h"
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#include "winbase.h"
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#include "wownt32.h"
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#include "wine/winbase16.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(resource);
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/* handle conversions */
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#define HRSRC_32(h16) ((HRSRC)(ULONG_PTR)(h16))
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#define HRSRC_16(h32) (LOWORD(h32))
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#define HGLOBAL_32(h16) ((HGLOBAL)(ULONG_PTR)(h16))
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#define HGLOBAL_16(h32) (LOWORD(h32))
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#define HMODULE_16(h32) (LOWORD(h32))
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/* retrieve the resource name to pass to the ntdll functions */
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static NTSTATUS get_res_nameA( LPCSTR name, UNICODE_STRING *str )
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{
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if (!HIWORD(name))
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{
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str->Buffer = (LPWSTR)name;
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return STATUS_SUCCESS;
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}
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if (name[0] == '#')
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{
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ULONG value;
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if (RtlCharToInteger( name, 10, &value ) != STATUS_SUCCESS || HIWORD(value))
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return STATUS_INVALID_PARAMETER;
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str->Buffer = (LPWSTR)value;
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return STATUS_SUCCESS;
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}
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RtlCreateUnicodeStringFromAsciiz( str, name );
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RtlUpcaseUnicodeString( str, str, FALSE );
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return STATUS_SUCCESS;
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}
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/* retrieve the resource name to pass to the ntdll functions */
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static NTSTATUS get_res_nameW( LPCWSTR name, UNICODE_STRING *str )
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{
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if (!HIWORD(name))
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{
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str->Buffer = (LPWSTR)name;
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return STATUS_SUCCESS;
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}
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if (name[0] == '#')
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{
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ULONG value;
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RtlInitUnicodeString( str, name );
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if (RtlUnicodeStringToInteger( str, 10, &value ) != STATUS_SUCCESS || HIWORD(value))
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return STATUS_INVALID_PARAMETER;
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str->Buffer = (LPWSTR)value;
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return STATUS_SUCCESS;
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}
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RtlCreateUnicodeString( str, name );
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RtlUpcaseUnicodeString( str, str, FALSE );
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return STATUS_SUCCESS;
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}
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/**********************************************************************
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* FindResourceExA (KERNEL32.@)
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*/
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HRSRC WINAPI FindResourceExA( HMODULE hModule, LPCSTR type, LPCSTR name, WORD lang )
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{
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NTSTATUS status;
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UNICODE_STRING nameW, typeW;
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LDR_RESOURCE_INFO info;
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const IMAGE_RESOURCE_DATA_ENTRY *entry = NULL;
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TRACE( "%p %s %s %04x\n", hModule, debugstr_a(type), debugstr_a(name), lang );
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if (!hModule) hModule = GetModuleHandleW(0);
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else if (!HIWORD(hModule))
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{
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return HRSRC_32( FindResource16( HMODULE_16(hModule), name, type ) );
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}
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nameW.Buffer = typeW.Buffer = NULL;
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if ((status = get_res_nameA( name, &nameW )) != STATUS_SUCCESS) goto done;
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if ((status = get_res_nameA( type, &typeW )) != STATUS_SUCCESS) goto done;
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info.Type = (ULONG)typeW.Buffer;
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info.Name = (ULONG)nameW.Buffer;
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info.Language = lang;
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status = LdrFindResource_U( hModule, &info, 3, &entry );
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done:
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if (HIWORD(nameW.Buffer)) HeapFree( GetProcessHeap(), 0, nameW.Buffer );
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if (HIWORD(typeW.Buffer)) HeapFree( GetProcessHeap(), 0, typeW.Buffer );
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if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
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return (HRSRC)entry;
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}
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/**********************************************************************
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* FindResourceA (KERNEL32.@)
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*/
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HRSRC WINAPI FindResourceA( HMODULE hModule, LPCSTR name, LPCSTR type )
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{
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return FindResourceExA( hModule, type, name, MAKELANGID( LANG_NEUTRAL, SUBLANG_NEUTRAL ) );
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}
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/**********************************************************************
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* FindResourceExW (KERNEL32.@)
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*/
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HRSRC WINAPI FindResourceExW( HMODULE hModule, LPCWSTR type, LPCWSTR name, WORD lang )
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{
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NTSTATUS status;
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UNICODE_STRING nameW, typeW;
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LDR_RESOURCE_INFO info;
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const IMAGE_RESOURCE_DATA_ENTRY *entry = NULL;
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TRACE( "%p %s %s %04x\n", hModule, debugstr_w(type), debugstr_w(name), lang );
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if (!hModule) hModule = GetModuleHandleW(0);
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else if (!HIWORD(hModule))
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{
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LPSTR nameA, typeA;
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HRSRC16 ret;
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if (HIWORD(name))
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{
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DWORD len = WideCharToMultiByte( CP_ACP, 0, name, -1, NULL, 0, NULL, NULL );
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nameA = HeapAlloc( GetProcessHeap(), 0, len );
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if (nameA) WideCharToMultiByte( CP_ACP, 0, name, -1, nameA, len, NULL, NULL );
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}
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else nameA = (LPSTR)name;
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if (HIWORD(type))
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{
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DWORD len = WideCharToMultiByte( CP_ACP, 0, type, -1, NULL, 0, NULL, NULL );
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typeA = HeapAlloc( GetProcessHeap(), 0, len );
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if (typeA) WideCharToMultiByte( CP_ACP, 0, type, -1, typeA, len, NULL, NULL );
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}
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else typeA = (LPSTR)type;
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ret = FindResource16( HMODULE_16(hModule), nameA, typeA );
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if (HIWORD(nameA)) HeapFree( GetProcessHeap(), 0, nameA );
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if (HIWORD(typeA)) HeapFree( GetProcessHeap(), 0, typeA );
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return HRSRC_32(ret);
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}
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nameW.Buffer = typeW.Buffer = NULL;
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if ((status = get_res_nameW( name, &nameW )) != STATUS_SUCCESS) goto done;
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if ((status = get_res_nameW( type, &typeW )) != STATUS_SUCCESS) goto done;
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info.Type = (ULONG)typeW.Buffer;
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info.Name = (ULONG)nameW.Buffer;
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info.Language = lang;
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status = LdrFindResource_U( hModule, &info, 3, &entry );
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done:
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if (HIWORD(nameW.Buffer)) HeapFree( GetProcessHeap(), 0, nameW.Buffer );
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if (HIWORD(typeW.Buffer)) HeapFree( GetProcessHeap(), 0, typeW.Buffer );
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if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
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return (HRSRC)entry;
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}
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/**********************************************************************
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* FindResourceW (KERNEL32.@)
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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 FindResourceExW( hModule, type, name, MAKELANGID( LANG_NEUTRAL, SUBLANG_NEUTRAL ) );
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}
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/**********************************************************************
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* LoadResource (KERNEL32.@)
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*/
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HGLOBAL WINAPI LoadResource( HINSTANCE hModule, HRSRC hRsrc )
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{
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NTSTATUS status;
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void *ret = NULL;
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TRACE( "%p %p\n", hModule, hRsrc );
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if (hModule && !HIWORD(hModule))
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/* FIXME: should convert return to 32-bit resource */
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return HGLOBAL_32( LoadResource16( HMODULE_16(hModule), HRSRC_16(hRsrc) ) );
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if (!hRsrc) return 0;
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if (!hModule) hModule = GetModuleHandleA( NULL );
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status = LdrAccessResource( hModule, (IMAGE_RESOURCE_DATA_ENTRY *)hRsrc, &ret, NULL );
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if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
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return ret;
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}
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/**********************************************************************
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* LockResource (KERNEL32.@)
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*/
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LPVOID WINAPI LockResource( HGLOBAL handle )
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{
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TRACE("(%p)\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( HGLOBAL_16(handle) );
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}
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/**********************************************************************
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* FreeResource (KERNEL32.@)
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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( HGLOBAL_16(handle) );
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}
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/**********************************************************************
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* SizeofResource (KERNEL32.@)
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*/
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DWORD WINAPI SizeofResource( HINSTANCE hModule, HRSRC hRsrc )
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{
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if (hModule && !HIWORD(hModule))
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return SizeofResource16( HMODULE_16(hModule), HRSRC_16(hRsrc) );
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if (!hRsrc) return 0;
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return ((PIMAGE_RESOURCE_DATA_ENTRY)hRsrc)->Size;
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}
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