resource16.c 33.6 KB
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/*
 * 16-bit resource functions
 *
 * Copyright 1993 Robert J. Amstadt
 * Copyright 1997 Alex Korobka
 * Copyright 1998 Ulrich Weigand
 * Copyright 1995, 2003 Alexandre Julliard
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * 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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 */

#include "config.h"
#include "wine/port.h"

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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
#include <string.h>
#include <sys/types.h>

#include "windef.h"
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#include "winbase.h"
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#include "wownt32.h"
#include "wine/winbase16.h"
#include "wine/winuser16.h"
#include "wine/unicode.h"
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#include "kernel16_private.h"
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#include "wine/debug.h"

WINE_DEFAULT_DEBUG_CHANNEL(resource);

/* handle conversions */
#define HRSRC_32(h16)   ((HRSRC)(ULONG_PTR)(h16))
#define HGLOBAL_32(h16) ((HGLOBAL)(ULONG_PTR)(h16))

static inline NE_MODULE *get_module( HMODULE16 mod )
{
    if (!mod) mod = TASK_GetCurrent()->hModule;
    return NE_GetPtr( mod );
}

#define HRSRC_MAP_BLOCKSIZE 16

typedef struct _HRSRC_ELEM
{
    HRSRC hRsrc;
    WORD  type;
} HRSRC_ELEM;

typedef struct _HRSRC_MAP
{
    int nAlloc;
    int nUsed;
    HRSRC_ELEM *elem;
} HRSRC_MAP;


/**********************************************************************
 *          MapHRsrc32To16
 */
static HRSRC16 MapHRsrc32To16( NE_MODULE *pModule, HRSRC hRsrc32, WORD type )
{
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    HRSRC_MAP *map = pModule->rsrc32_map;
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    HRSRC_ELEM *newElem;
    int i;

    /* On first call, initialize HRSRC map */
    if ( !map )
    {
        if ( !(map = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(HRSRC_MAP) ) ) )
        {
            ERR("Cannot allocate HRSRC map\n" );
            return 0;
        }
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        pModule->rsrc32_map = map;
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    }

    /* Check whether HRSRC32 already in map */
    for ( i = 0; i < map->nUsed; i++ )
        if ( map->elem[i].hRsrc == hRsrc32 )
            return (HRSRC16)(i + 1);

    /* If no space left, grow table */
    if ( map->nUsed == map->nAlloc )
    {
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	if (map->elem)
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    	    newElem = HeapReAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
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                    map->elem, (map->nAlloc + HRSRC_MAP_BLOCKSIZE) * sizeof(HRSRC_ELEM) );
	else
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    	    newElem = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
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                    (map->nAlloc + HRSRC_MAP_BLOCKSIZE) * sizeof(HRSRC_ELEM) );

        if ( !newElem )
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        {
            ERR("Cannot grow HRSRC map\n" );
            return 0;
        }
        map->elem = newElem;
        map->nAlloc += HRSRC_MAP_BLOCKSIZE;
    }

    /* Add HRSRC32 to table */
    map->elem[map->nUsed].hRsrc = hRsrc32;
    map->elem[map->nUsed].type  = type;
    map->nUsed++;

    return (HRSRC16)map->nUsed;
}

/**********************************************************************
 *          MapHRsrc16To32
 */
static HRSRC MapHRsrc16To32( NE_MODULE *pModule, HRSRC16 hRsrc16 )
{
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    HRSRC_MAP *map = pModule->rsrc32_map;
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    if ( !map || !hRsrc16 || hRsrc16 > map->nUsed ) return 0;

    return map->elem[hRsrc16-1].hRsrc;
}

/**********************************************************************
 *          MapHRsrc16ToType
 */
static WORD MapHRsrc16ToType( NE_MODULE *pModule, HRSRC16 hRsrc16 )
{
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    HRSRC_MAP *map = pModule->rsrc32_map;
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    if ( !map || !hRsrc16 || hRsrc16 > map->nUsed ) return 0;

    return map->elem[hRsrc16-1].type;
}


/**********************************************************************
 *          get_res_name
 *
 * Convert a resource name from '#xxx' form to numerical id.
 */
static inline LPCSTR get_res_name( LPCSTR name )
{
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    if (HIWORD(name) && name[0] == '#') name = MAKEINTRESOURCEA( atoi( name + 1 ) );
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    return name;
}


/**********************************************************************
 *          next_typeinfo
 */
static inline NE_TYPEINFO *next_typeinfo( NE_TYPEINFO *info )
{
    return (NE_TYPEINFO *)((char*)(info + 1) + info->count * sizeof(NE_NAMEINFO));
}


/**********************************************************************
 *          get_default_res_handler
 */
static inline FARPROC16 get_default_res_handler(void)
{
    static FARPROC16 handler;

    if (!handler) handler = GetProcAddress16( GetModuleHandle16("KERNEL"), "DefResourceHandler" );
    return handler;
}


/***********************************************************************
 *           NE_FindNameTableId
 *
 * Find the type and resource id from their names.
 * Return value is MAKELONG( typeId, resId ), or 0 if not found.
 */
static DWORD NE_FindNameTableId( NE_MODULE *pModule, LPCSTR typeId, LPCSTR resId )
{
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    NE_TYPEINFO *pTypeInfo = (NE_TYPEINFO *)((char *)pModule + pModule->ne_rsrctab + 2);
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    NE_NAMEINFO *pNameInfo;
    HGLOBAL16 handle;
    WORD *p;
    DWORD ret = 0;
    int count;

    for (; pTypeInfo->type_id != 0;
           pTypeInfo = (NE_TYPEINFO *)((char*)(pTypeInfo+1) +
                                        pTypeInfo->count * sizeof(NE_NAMEINFO)))
    {
        if (pTypeInfo->type_id != 0x800f) continue;
        pNameInfo = (NE_NAMEINFO *)(pTypeInfo + 1);
        for (count = pTypeInfo->count; count > 0; count--, pNameInfo++)
        {
            TRACE("NameTable entry: type=%04x id=%04x\n",
                              pTypeInfo->type_id, pNameInfo->id );
            handle = LoadResource16( pModule->self,
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                                     (HRSRC16)((char *)pNameInfo - (char *)pModule) );
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            for(p = (WORD*)LockResource16(handle); p && *p; p = (WORD *)((char*)p+*p))
            {
                TRACE("  type=%04x '%s' id=%04x '%s'\n",
                                  p[1], (char *)(p+3), p[2],
                                  (char *)(p+3)+strlen((char *)(p+3))+1 );
                /* Check for correct type */

                if (p[1] & 0x8000)
                {
                    if (!HIWORD(typeId)) continue;
                    if (strcasecmp( typeId, (char *)(p + 3) )) continue;
                }
                else if (HIWORD(typeId) || (((DWORD)typeId & ~0x8000)!= p[1]))
                  continue;

                /* Now check for the id */

                if (p[2] & 0x8000)
                {
                    if (!HIWORD(resId)) continue;
                    if (strcasecmp( resId, (char*)(p+3)+strlen((char*)(p+3))+1 )) continue;

                }
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                else if (HIWORD(resId) || ((LOWORD(resId) & ~0x8000) != p[2]))
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                  continue;

                /* If we get here, we've found the entry */

                TRACE("  Found!\n" );
                ret = MAKELONG( p[1], p[2] );
                break;
            }
            FreeResource16( handle );
            if (ret) return ret;
        }
    }
    return 0;
}


/***********************************************************************
 *           NE_FindTypeSection
 *
 * Find header struct for a particular resource type.
 */
static NE_TYPEINFO *NE_FindTypeSection( LPBYTE pResTab, NE_TYPEINFO *pTypeInfo, LPCSTR typeId )
{
    /* start from pTypeInfo */

    if (HIWORD(typeId) != 0)  /* Named type */
    {
        LPCSTR str = typeId;
        BYTE len = strlen( str );
        while (pTypeInfo->type_id)
        {
            if (!(pTypeInfo->type_id & 0x8000))
            {
                BYTE *p = pResTab + pTypeInfo->type_id;
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                if ((*p == len) && !strncasecmp( (char*)p+1, str, len ))
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                {
                    TRACE("  Found type '%s'\n", str );
                    return pTypeInfo;
                }
            }
            TRACE("  Skipping type %04x\n", pTypeInfo->type_id );
            pTypeInfo = next_typeinfo(pTypeInfo);
        }
    }
    else  /* Numeric type id */
    {
        WORD id = LOWORD(typeId) | 0x8000;
        while (pTypeInfo->type_id)
        {
            if (pTypeInfo->type_id == id)
            {
                TRACE("  Found type %04x\n", id );
                return pTypeInfo;
            }
            TRACE("  Skipping type %04x\n", pTypeInfo->type_id );
            pTypeInfo = next_typeinfo(pTypeInfo);
        }
    }
    return NULL;
}


/***********************************************************************
 *           NE_FindResourceFromType
 *
 * Find a resource once the type info structure has been found.
 */
static NE_NAMEINFO *NE_FindResourceFromType( LPBYTE pResTab, NE_TYPEINFO *pTypeInfo, LPCSTR resId )
{
    BYTE *p;
    int count;
    NE_NAMEINFO *pNameInfo = (NE_NAMEINFO *)(pTypeInfo + 1);

    if (HIWORD(resId) != 0)  /* Named resource */
    {
        LPCSTR str = resId;
        BYTE len = strlen( str );
        for (count = pTypeInfo->count; count > 0; count--, pNameInfo++)
        {
            if (pNameInfo->id & 0x8000) continue;
            p = pResTab + pNameInfo->id;
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            if ((*p == len) && !strncasecmp( (char*)p+1, str, len ))
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                return pNameInfo;
        }
    }
    else  /* Numeric resource id */
    {
        WORD id = LOWORD(resId) | 0x8000;
        for (count = pTypeInfo->count; count > 0; count--, pNameInfo++)
            if (pNameInfo->id == id) return pNameInfo;
    }
    return NULL;
}


/***********************************************************************
 *           DefResourceHandler (KERNEL.456)
 *
 * This is the default LoadProc() function.
 */
HGLOBAL16 WINAPI NE_DefResourceHandler( HGLOBAL16 hMemObj, HMODULE16 hModule,
                                        HRSRC16 hRsrc )
{
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    HGLOBAL16 handle;
    WORD sizeShift;
    NE_NAMEINFO* pNameInfo;
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    NE_MODULE* pModule = NE_GetPtr( hModule );

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    if (!pModule) return 0;
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    sizeShift = *(WORD *)((char *)pModule + pModule->ne_rsrctab);
    pNameInfo = (NE_NAMEINFO *)((char *)pModule + hRsrc);

    if ( hMemObj )
        handle = GlobalReAlloc16( hMemObj, pNameInfo->length << sizeShift, 0 );
    else
        handle = AllocResource16( hModule, hRsrc, 0 );

    if (handle)
    {
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        if (!NE_READ_DATA( pModule, GlobalLock16( handle ),
                           (int)pNameInfo->offset << sizeShift,
                           (int)pNameInfo->length << sizeShift ))
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        {
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            GlobalFree16( handle );
            handle = 0;
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        }
    }
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    return handle;
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}


/**********************************************************************
 *	SetResourceHandler	(KERNEL.67)
 */
FARPROC16 WINAPI SetResourceHandler16( HMODULE16 hModule, LPCSTR typeId, FARPROC16 resourceHandler )
{
    LPBYTE pResTab;
    NE_TYPEINFO *pTypeInfo;
    FARPROC16 prevHandler = NULL;
    NE_MODULE *pModule = NE_GetPtr( hModule );

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    if (!pModule || !pModule->ne_rsrctab) return NULL;
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    pResTab = (LPBYTE)pModule + pModule->ne_rsrctab;
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    pTypeInfo = (NE_TYPEINFO *)(pResTab + 2);

    TRACE("module=%04x type=%s\n", hModule, debugstr_a(typeId) );

    for (;;)
    {
        if (!(pTypeInfo = NE_FindTypeSection( pResTab, pTypeInfo, typeId )))
            break;
        memcpy_unaligned( &prevHandler, &pTypeInfo->resloader, sizeof(FARPROC16) );
        memcpy_unaligned( &pTypeInfo->resloader, &resourceHandler, sizeof(FARPROC16) );
        pTypeInfo = next_typeinfo(pTypeInfo);
    }
    if (!prevHandler) prevHandler = get_default_res_handler();
    return prevHandler;
}

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static inline DWORD get_dword(LPCVOID *p)
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{
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    DWORD ret = *(const DWORD *)*p;
    *p = (const DWORD *)*p + 1;
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    return ret;
}

static inline void put_dword(LPVOID *p, DWORD d)
{
    *(DWORD*)*p = d;
    *p = (DWORD *)*p + 1;
}

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static inline WORD get_word(LPCVOID *p)
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{
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    WORD ret = *(const WORD *)*p;
    *p = (const WORD *)*p + 1;
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    return ret;
}

static inline void put_word(LPVOID *p, WORD w)
{
    *(WORD*)*p = w;
    *p = (WORD *)*p + 1;
}

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static inline BYTE get_byte(LPCVOID *p)
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{
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    BYTE ret = *(const BYTE *)*p;
    *p = (const BYTE *)*p + 1;
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    return ret;
}

static inline void put_byte(LPVOID *p, BYTE b)
{
    *(BYTE *)*p = b;
    *p = (BYTE *)*p + 1;
}

/* convert a resource name */
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static void convert_name( LPVOID *dst, LPCVOID *src )
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{
    int len;
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    switch (*(const WORD *)*src)
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    {
    case 0x0000:
        get_word( src );
        put_byte( dst, 0 );
        break;
    case 0xffff:
        get_word( src );
        put_byte( dst, 0xff );
        put_word( dst, get_word(src) );
        break;
    default:
        len = WideCharToMultiByte( CP_ACP, 0, *src, -1, *dst, 0x7fffffff, NULL,NULL );
        *dst = (char *)*dst + len;
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        *src = (LPCWSTR)*src + strlenW( *src ) + 1;
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        break;
    }
}
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/**********************************************************************
 *	    ConvertDialog32To16   (KERNEL.615)
 */
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VOID WINAPI ConvertDialog32To16( LPCVOID dialog32, DWORD size, LPVOID dialog16 )
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{
    WORD nbItems, data, dialogEx;
    DWORD style;

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    style = get_dword( &dialog32 );
    put_dword( &dialog16, style );
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    dialogEx = (style == 0xffff0001);  /* DIALOGEX resource */
    if (dialogEx)
    {
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        put_dword( &dialog16, get_dword( &dialog32 ) );  /* helpID */
        put_dword( &dialog16, get_dword( &dialog32 ) );  /* exStyle */
        style = get_dword( &dialog32 );
        put_dword( &dialog16, style );                   /* style */
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    }
    else
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        dialog32 = (const DWORD *)dialog32 + 1; /* exStyle ignored in 16-bit standard dialog */
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    nbItems = get_word( &dialog32 );
    put_byte( &dialog16, nbItems );
    put_word( &dialog16, get_word( &dialog32 ) ); /* x */
    put_word( &dialog16, get_word( &dialog32 ) ); /* y */
    put_word( &dialog16, get_word( &dialog32 ) ); /* cx */
    put_word( &dialog16, get_word( &dialog32 ) ); /* cy */
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    /* Transfer menu name */
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    convert_name( &dialog16, &dialog32 );
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    /* Transfer class name */
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    convert_name( &dialog16, &dialog32 );
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    /* Transfer window caption */
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    WideCharToMultiByte( CP_ACP, 0, dialog32, -1, dialog16, 0x7fffffff, NULL, NULL );
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    dialog16 = (LPSTR)dialog16 + strlen( dialog16 ) + 1;
    dialog32 = (LPCWSTR)dialog32 + strlenW( dialog32 ) + 1;
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    /* Transfer font info */
    if (style & DS_SETFONT)
    {
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        put_word( &dialog16, get_word( &dialog32 ) );  /* pointSize */
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        if (dialogEx)
        {
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            put_word( &dialog16, get_word( &dialog32 ) ); /* weight */
            put_word( &dialog16, get_word( &dialog32 ) ); /* italic */
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        }
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        WideCharToMultiByte( CP_ACP, 0, dialog32, -1, dialog16, 0x7fffffff, NULL, NULL );  /* faceName */
        dialog16 = (LPSTR)dialog16 + strlen( dialog16 ) + 1;
        dialog32 = (LPCWSTR)dialog32 + strlenW( dialog32 ) + 1;
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    }

    /* Transfer dialog items */
    while (nbItems)
    {
        /* align on DWORD boundary (32-bit only) */
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        dialog32 = (LPCVOID)(((UINT_PTR)dialog32 + 3) & ~3);
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        if (dialogEx)
        {
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            put_dword( &dialog16, get_dword( &dialog32 ) ); /* helpID */
            put_dword( &dialog16, get_dword( &dialog32 ) ); /* exStyle */
            put_dword( &dialog16, get_dword( &dialog32 ) ); /* style */
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        }
        else
        {
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            style = get_dword( &dialog32 );          /* save style */
            dialog32 = (const DWORD *)dialog32 + 1;  /* ignore exStyle */
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        }

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        put_word( &dialog16, get_word( &dialog32 ) ); /* x */
        put_word( &dialog16, get_word( &dialog32 ) ); /* y */
        put_word( &dialog16, get_word( &dialog32 ) ); /* cx */
        put_word( &dialog16, get_word( &dialog32 ) ); /* cy */
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        if (dialogEx)
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            put_dword( &dialog16, get_dword( &dialog32 ) ); /* ID */
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        else
        {
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            put_word( &dialog16, get_word( &dialog32 ) ); /* ID */
            put_dword( &dialog16, style );  /* style from above */
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        }

        /* Transfer class name */
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        switch (*(const WORD *)dialog32)
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        {
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        case 0x0000:
            get_word( &dialog32 );
            put_byte( &dialog16, 0 );
            break;
        case 0xffff:
            get_word( &dialog32 );
            put_byte( &dialog16, get_word( &dialog32 ) );
            break;
        default:
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            WideCharToMultiByte( CP_ACP, 0, dialog32, -1, dialog16, 0x7fffffff, NULL, NULL );
            dialog16 = (LPSTR)dialog16 + strlen( dialog16 ) + 1;
            dialog32 = (LPCWSTR)dialog32 + strlenW( dialog32 ) + 1;
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            break;
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        }

        /* Transfer window name */
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        convert_name( &dialog16, &dialog32 );
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        /* Transfer data */
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        data = get_word( &dialog32 );
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        if (dialogEx)
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            put_word(&dialog16, data);
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        else
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            put_byte(&dialog16,(BYTE)data);
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        if (data)
        {
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            memcpy( dialog16, dialog32, data );
            dialog16 = (BYTE *)dialog16 + data;
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            dialog32 = (const BYTE *)dialog32 + data;
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        }

        /* Next item */
        nbItems--;
    }
}


/**********************************************************************
 *	    GetDialog32Size   (KERNEL.618)
 */
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WORD WINAPI GetDialog32Size16( LPCVOID dialog32 )
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{
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    LPCVOID p = dialog32;
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    WORD nbItems, data, dialogEx;
    DWORD style;

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    style = get_dword(&p);
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    dialogEx = (style == 0xffff0001);  /* DIALOGEX resource */
    if (dialogEx)
    {
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        p = (const DWORD *)p + 1; /* helpID */
        p = (const DWORD *)p + 1; /* exStyle */
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        style = get_dword(&p); /* style */
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    }
    else
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        p = (const DWORD *)p + 1; /* exStyle */
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    nbItems = get_word(&p);
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    p = (const DWORD *)p + 1; /* x */
    p = (const DWORD *)p + 1; /* y */
    p = (const DWORD *)p + 1; /* cx */
    p = (const DWORD *)p + 1; /* cy */
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    /* Skip menu name */
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    switch (*(const DWORD *)p)
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    {
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    case 0x0000:  p = (const DWORD *)p + 1; break;
    case 0xffff:  p = (const DWORD *)p + 2; break;
    default:      p = (LPCWSTR)p + strlenW( p ) + 1; break;
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    }

    /* Skip class name */
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    switch (*(const DWORD *)p)
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    {
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    case 0x0000:  p = (const DWORD *)p + 1; break;
    case 0xffff:  p = (const DWORD *)p + 2; break;
    default:      p = (LPCWSTR)p + strlenW( p ) + 1; break;
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    }

    /* Skip window caption */
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    p = (LPCWSTR)p + strlenW( p ) + 1;
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    /* Skip font info */
    if (style & DS_SETFONT)
    {
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        p = (const DWORD *)p + 1;  /* pointSize */
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        if (dialogEx)
        {
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            p = (const DWORD *)p + 1; /* weight */
            p = (const DWORD *)p + 1; /* italic */
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        }
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        p = (LPCWSTR)p + strlenW( p ) + 1;  /* faceName */
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    }

    /* Skip dialog items */
    while (nbItems)
    {
        /* align on DWORD boundary */
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        p = (LPCVOID)(((UINT_PTR)p + 3) & ~3);
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        if (dialogEx)
        {
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            p = (const DWORD *)p + 1; /* helpID */
            p = (const DWORD *)p + 1; /* exStyle */
            p = (const DWORD *)p + 1; /* style */
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        }
        else
        {
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            p = (const DWORD *)p + 1; /* style */
            p = (const DWORD *)p + 1; /* exStyle */
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        }

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        p = (const DWORD *)p + 1; /* x */
        p = (const DWORD *)p + 1; /* y */
        p = (const DWORD *)p + 1; /* cx */
        p = (const DWORD *)p + 1; /* cy */
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        if (dialogEx)
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            p = (const DWORD *)p + 1; /* ID */
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        else
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            p = (const DWORD *)p + 1; /* ID */
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        /* Skip class name */
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        switch (*(const DWORD *)p)
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        {
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        case 0x0000:  p = (const DWORD *)p + 1; break;
        case 0xffff:  p = (const DWORD *)p + 2; break;
        default:      p = (LPCWSTR)p + strlenW( p ) + 1; break;
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        }

        /* Skip window name */
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        switch (*(const DWORD *)p)
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        {
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        case 0x0000:  p = (const DWORD *)p + 1; break;
        case 0xffff:  p = (const DWORD *)p + 2; break;
        default:      p = (LPCWSTR)p + strlenW( p ) + 1; break;
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        }

        /* Skip data */
680
        data = get_word(&p);
681
        p = (const BYTE *)p + data;
682 683 684 685 686

        /* Next item */
        nbItems--;
    }

687
    return (WORD)((LPCSTR)p - (LPCSTR)dialog32);
688 689 690 691 692 693
}


/**********************************************************************
 *	    ConvertMenu32To16   (KERNEL.616)
 */
694
VOID WINAPI ConvertMenu32To16( LPCVOID menu32, DWORD size, LPVOID menu16 )
695 696 697
{
    WORD version, headersize, flags, level = 1;

698 699 700 701
    version = get_word( &menu32 );
    headersize = get_word( &menu32 );
    put_word( &menu16, version );
    put_word( &menu16, headersize );
702 703
    if ( headersize )
    {
704 705
        memcpy( menu16, menu32, headersize );
        menu16 = (BYTE *)menu16 + headersize;
706
        menu32 = (const BYTE *)menu32 + headersize;
707 708 709 710 711
    }

    while ( level )
        if ( version == 0 )  /* standard */
        {
712 713
            flags = get_word( &menu32 );
            put_word( &menu16, flags );
714
            if ( !(flags & MF_POPUP) )
715
                put_word( &menu16, get_word( &menu32 ) );  /* ID */
716 717 718
            else
                level++;

719 720 721
            WideCharToMultiByte( CP_ACP, 0, menu32, -1, menu16, 0x7fffffff, NULL, NULL );
            menu16 = (LPSTR)menu16 + strlen( menu16 ) + 1;
            menu32 = (LPCWSTR)menu32 + strlenW( menu32 ) + 1;
722 723 724 725 726 727

            if ( flags & MF_END )
                level--;
        }
        else  /* extended */
        {
728 729 730 731 732
            put_dword( &menu16, get_dword( &menu32 ) );  /* fType */
            put_dword( &menu16, get_dword( &menu32 ) );  /* fState */
            put_word( &menu16, get_dword( &menu32 ) );   /* ID */
            flags = get_word( &menu32 );
            put_byte(&menu16,flags);
733

734 735 736
            WideCharToMultiByte( CP_ACP, 0, menu32, -1, menu16, 0x7fffffff, NULL, NULL );
            menu16 = (LPSTR)menu16 + strlen( menu16 ) + 1;
            menu32 = (LPCWSTR)menu32 + strlenW( menu32 ) + 1;
737 738

            /* align on DWORD boundary (32-bit only) */
739
            menu32 = (LPCVOID)(((UINT_PTR)menu32 + 3) & ~3);
740 741 742 743

            /* If popup, transfer helpid */
            if ( flags & 1)
            {
744
                put_dword( &menu16, get_dword( &menu32 ) );
745 746 747 748 749 750 751 752 753 754 755 756
                level++;
            }

            if ( flags & MF_END )
                level--;
        }
}


/**********************************************************************
 *	    GetMenu32Size   (KERNEL.617)
 */
757
WORD WINAPI GetMenu32Size16( LPCVOID menu32 )
758
{
759
    LPCVOID p = menu32;
760 761
    WORD version, headersize, flags, level = 1;

762 763
    version = get_word(&p);
    headersize = get_word(&p);
764
    p = (const BYTE *)p + headersize;
765 766 767 768

    while ( level )
        if ( version == 0 )  /* standard */
        {
769
            flags = get_word(&p);
770
            if ( !(flags & MF_POPUP) )
771
                p = (const WORD *)p + 1;  /* ID */
772 773 774
            else
                level++;

775
            p = (LPCWSTR)p + strlenW( p ) + 1;
776 777 778 779 780 781

            if ( flags & MF_END )
                level--;
        }
        else  /* extended */
        {
782 783 784
            p = (const DWORD *)p + 1; /* fType */
            p = (const DWORD *)p + 1; /* fState */
            p = (const DWORD *)p + 1; /* ID */
785
            flags = get_word(&p);
786

787
            p = (LPCWSTR)p + strlenW( p ) + 1;
788 789

            /* align on DWORD boundary (32-bit only) */
790
            p = (LPCVOID)(((UINT_PTR)p + 3) & ~3);
791 792 793 794

            /* If popup, skip helpid */
            if ( flags & 1)
            {
795
                p = (const DWORD *)p + 1;
796 797 798 799 800 801 802
                level++;
            }

            if ( flags & MF_END )
                level--;
        }

803
    return (WORD)((LPCSTR)p - (LPCSTR)menu32);
804 805 806 807 808 809
}


/**********************************************************************
 *	    ConvertAccelerator32To16
 */
810
static void ConvertAccelerator32To16( LPCVOID acc32, DWORD size, LPVOID acc16 )
811
{
812
    BYTE type;
813 814 815 816

    do
    {
        /* Copy type */
817 818
        type = get_byte(&acc32);
        put_byte(&acc16, type);
819
        /* Skip padding */
820
        get_byte(&acc32);
821
        /* Copy event and IDval */
822 823
        put_word(&acc16, get_word(&acc32));
        put_word(&acc16, get_word(&acc32));
824
        /* Skip padding */
825
        get_word(&acc32);
826 827 828 829 830 831 832 833

    } while ( !( type & 0x80 ) );
}


/**********************************************************************
 *	    NE_LoadPEResource
 */
834
static HGLOBAL16 NE_LoadPEResource( NE_MODULE *pModule, WORD type, LPCVOID bits, DWORD size )
835 836 837 838 839 840 841 842 843
{
    HGLOBAL16 handle;

    TRACE("module=%04x type=%04x\n", pModule->self, type );

    handle = GlobalAlloc16( 0, size );

    switch (type)
    {
844
    case RT_MENU:
845 846
        ConvertMenu32To16( bits, size, GlobalLock16( handle ) );
        break;
847
    case RT_DIALOG:
848 849
        ConvertDialog32To16( bits, size, GlobalLock16( handle ) );
        break;
850
    case RT_ACCELERATOR:
851 852
        ConvertAccelerator32To16( bits, size, GlobalLock16( handle ) );
        break;
853
    case RT_STRING:
854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873
        FIXME("not yet implemented!\n" );
        /* fall through */
    default:
        memcpy( GlobalLock16( handle ), bits, size );
        break;
    }
    return handle;
}


/**********************************************************************
 *	    AllocResource    (KERNEL.66)
 */
HGLOBAL16 WINAPI AllocResource16( HMODULE16 hModule, HRSRC16 hRsrc, DWORD size)
{
    NE_NAMEINFO *pNameInfo=NULL;
    WORD sizeShift;
    HGLOBAL16 ret;

    NE_MODULE *pModule = NE_GetPtr( hModule );
874
    if (!pModule || !pModule->ne_rsrctab || !hRsrc) return 0;
875

876
    TRACE("module=%04x res=%04x size=%d\n", hModule, hRsrc, size );
877

878
    sizeShift = *(WORD *)((char *)pModule + pModule->ne_rsrctab);
879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915
    pNameInfo = (NE_NAMEINFO*)((char*)pModule + hRsrc);
    if (size < (DWORD)pNameInfo->length << sizeShift)
        size = (DWORD)pNameInfo->length << sizeShift;
    ret = GlobalAlloc16( GMEM_FIXED, size );
    if (ret) FarSetOwner16( ret, hModule );
    return ret;
}


/**********************************************************************
 *      DirectResAlloc    (KERNEL.168)
 *
 * Check Schulman, p. 232 for details
 */
HGLOBAL16 WINAPI DirectResAlloc16( HINSTANCE16 hInstance, WORD wType,
                                 UINT16 wSize )
{
    HGLOBAL16 ret;
    TRACE("(%04x,%04x,%04x)\n", hInstance, wType, wSize );
    if (!(hInstance = GetExePtr( hInstance ))) return 0;
    if(wType != 0x10)	/* 0x10 is the only observed value, passed from
                           CreateCursorIndirect. */
        TRACE("(wType=%x)\n", wType);
    ret = GlobalAlloc16( GMEM_MOVEABLE, wSize );
    if (ret) FarSetOwner16( ret, hInstance );
    return ret;
}


/**********************************************************************
 *          AccessResource (KERNEL.64)
 */
INT16 WINAPI AccessResource16( HINSTANCE16 hModule, HRSRC16 hRsrc )
{
    HFILE16 fd;
    NE_MODULE *pModule = NE_GetPtr( hModule );

916
    if (!pModule || !pModule->ne_rsrctab || !hRsrc) return -1;
917 918 919 920 921

    TRACE("module=%04x res=%04x\n", pModule->self, hRsrc );

    if ((fd = _lopen16( NE_MODULE_NAME(pModule), OF_READ )) != HFILE_ERROR16)
    {
922
        WORD sizeShift = *(WORD *)((char *)pModule + pModule->ne_rsrctab);
923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950
        NE_NAMEINFO *pNameInfo = (NE_NAMEINFO*)((char*)pModule + hRsrc);
        _llseek16( fd, (int)pNameInfo->offset << sizeShift, SEEK_SET );
    }
    return fd;
}


/**********************************************************************
 *          FindResource     (KERNEL.60)
 */
HRSRC16 WINAPI FindResource16( HMODULE16 hModule, LPCSTR name, LPCSTR type )
{
    NE_TYPEINFO *pTypeInfo;
    NE_NAMEINFO *pNameInfo;
    LPBYTE pResTab;
    NE_MODULE *pModule = get_module( hModule );

    if (!pModule) return 0;

    if (pModule->module32)
    {
        /* 32-bit PE module */
        HRSRC hRsrc32 = FindResourceA( pModule->module32, name, type );
        return MapHRsrc32To16( pModule, hRsrc32, HIWORD(type) ? 0 : LOWORD(type) );
    }

    TRACE("module=%04x name=%s type=%s\n", pModule->self, debugstr_a(name), debugstr_a(type) );

951
    if (!pModule->ne_rsrctab) return 0;
952 953 954 955 956 957 958 959 960 961 962 963 964

    type = get_res_name( type );
    name = get_res_name( name );

    if (HIWORD(type) || HIWORD(name))
    {
        DWORD id = NE_FindNameTableId( pModule, type, name );
        if (id)  /* found */
        {
            type = (LPCSTR)(ULONG_PTR)LOWORD(id);
            name = (LPCSTR)(ULONG_PTR)HIWORD(id);
        }
    }
965
    pResTab = (LPBYTE)pModule + pModule->ne_rsrctab;
966 967 968 969 970 971 972
    pTypeInfo = (NE_TYPEINFO *)( pResTab + 2 );

    for (;;)
    {
        if (!(pTypeInfo = NE_FindTypeSection( pResTab, pTypeInfo, type ))) break;
        if ((pNameInfo = NE_FindResourceFromType( pResTab, pTypeInfo, name )))
        {
973
            TRACE("    Found id %p\n", name );
974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006
            return (HRSRC16)( (char *)pNameInfo - (char *)pModule );
        }
        pTypeInfo = next_typeinfo(pTypeInfo);
    }
    return 0;
}


/**********************************************************************
 *          LoadResource     (KERNEL.61)
 */
HGLOBAL16 WINAPI LoadResource16( HMODULE16 hModule, HRSRC16 hRsrc )
{
    NE_TYPEINFO *pTypeInfo;
    NE_NAMEINFO *pNameInfo = NULL;
    NE_MODULE *pModule = get_module( hModule );
    int d;

    if (!hRsrc || !pModule) return 0;

    if (pModule->module32)
    {
        /* load 32-bit resource and convert it */
        HRSRC hRsrc32 = MapHRsrc16To32( pModule, hRsrc );
        WORD type     = MapHRsrc16ToType( pModule, hRsrc );
        HGLOBAL hMem  = LoadResource( pModule->module32, hRsrc32 );
        DWORD size    = SizeofResource( pModule->module32, hRsrc32 );
        if (!hMem) return 0;
        return NE_LoadPEResource( pModule, type, LockResource( hMem ), size );
    }

    /* first, verify hRsrc (just an offset from pModule to the needed pNameInfo) */

1007
    d = pModule->ne_rsrctab + 2;
1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068
    pTypeInfo = (NE_TYPEINFO *)((char *)pModule + d);
    while( hRsrc > d )
    {
        if (pTypeInfo->type_id == 0) break; /* terminal entry */
        d += sizeof(NE_TYPEINFO) + pTypeInfo->count * sizeof(NE_NAMEINFO);
        if (hRsrc < d)
        {
            if( ((d - hRsrc)%sizeof(NE_NAMEINFO)) == 0 )
            {
                pNameInfo = (NE_NAMEINFO *)((char *)pModule + hRsrc);
                break;
            }
            else break; /* NE_NAMEINFO boundary mismatch */
        }
        pTypeInfo = (NE_TYPEINFO *)((char *)pModule + d);
    }

    if (pNameInfo)
    {
        if (pNameInfo->handle && !(GlobalFlags16(pNameInfo->handle) & GMEM_DISCARDED))
        {
            pNameInfo->usage++;
            TRACE("  Already loaded, new count=%d\n", pNameInfo->usage );
        }
        else
        {
            FARPROC16 resloader;
            memcpy_unaligned( &resloader, &pTypeInfo->resloader, sizeof(FARPROC16) );
            if (resloader && resloader != get_default_res_handler())
            {
                WORD args[3];
                DWORD ret;

                args[2] = pNameInfo->handle;
                args[1] = pModule->self;
                args[0] = hRsrc;
                WOWCallback16Ex( (DWORD)resloader, WCB16_PASCAL, sizeof(args), args, &ret );
                pNameInfo->handle = LOWORD(ret);
            }
            else
                pNameInfo->handle = NE_DefResourceHandler( pNameInfo->handle, pModule->self, hRsrc );

            if (pNameInfo->handle)
            {
                pNameInfo->usage++;
                pNameInfo->flags |= NE_SEGFLAGS_LOADED;
            }
        }
        return pNameInfo->handle;
    }
    return 0;
}


/**********************************************************************
 *          LockResource   (KERNEL.62)
 */
SEGPTR WINAPI WIN16_LockResource16( HGLOBAL16 handle )
{
    TRACE("(%04x)\n", handle );
    /* May need to reload the resource if discarded */
1069
    return WOWGlobalLock16( handle );
1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092
}


/**********************************************************************
 *          LockResource16 (KERNEL32.@)
 */
LPVOID WINAPI LockResource16( HGLOBAL16 handle )
{
    return MapSL( WIN16_LockResource16(handle) );
}


/**********************************************************************
 *          SizeofResource   (KERNEL.65)
 */
DWORD WINAPI SizeofResource16( HMODULE16 hModule, HRSRC16 hRsrc )
{
    NE_MODULE *pModule = NE_GetPtr( hModule );

    TRACE("(%x, %x)\n", hModule, hRsrc );

    if (!hRsrc) return 0;
    if (!(pModule = get_module( hModule ))) return 0;
1093
    if (pModule->ne_rsrctab)
1094
    {
1095
        WORD sizeShift = *(WORD *)((char *)pModule + pModule->ne_rsrctab);
1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122
        NE_NAMEINFO *pNameInfo = (NE_NAMEINFO*)((char*)pModule + hRsrc);
        return (DWORD)pNameInfo->length << sizeShift;
    }
    if (pModule->module32)
    {
        /* 32-bit PE module */
        return SizeofResource( pModule->module32, MapHRsrc16To32( pModule, hRsrc ) );
    }
    return 0;
}


typedef WORD (WINAPI *pDestroyIcon32Proc)( HGLOBAL16 handle, UINT16 flags );

/**********************************************************************
 *          FreeResource     (KERNEL.63)
 */
BOOL16 WINAPI FreeResource16( HGLOBAL16 handle )
{
    pDestroyIcon32Proc proc;
    HMODULE user;
    NE_MODULE *pModule = NE_GetPtr( FarGetOwner16( handle ) );

    TRACE("(%04x)\n", handle );

    /* Try NE resource first */

1123
    if (pModule && pModule->ne_rsrctab)
1124
    {
1125
        NE_TYPEINFO *pTypeInfo = (NE_TYPEINFO *)((char *)pModule + pModule->ne_rsrctab + 2);
1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157
        while (pTypeInfo->type_id)
        {
            WORD count;
            NE_NAMEINFO *pNameInfo = (NE_NAMEINFO *)(pTypeInfo + 1);
            for (count = pTypeInfo->count; count > 0; count--)
            {
                if (pNameInfo->handle == handle)
                {
                    if (pNameInfo->usage > 0) pNameInfo->usage--;
                    if (pNameInfo->usage == 0)
                    {
                        GlobalFree16( pNameInfo->handle );
                        pNameInfo->handle = 0;
                        pNameInfo->flags &= ~NE_SEGFLAGS_LOADED;
                    }
                    return 0;
                }
                pNameInfo++;
            }
            pTypeInfo = (NE_TYPEINFO *)pNameInfo;
        }
    }

    /* If this failed, call USER.DestroyIcon32; this will check
       whether it is a shared cursor/icon; if not it will call
       GlobalFree16() */
    user = GetModuleHandleA( "user32.dll" );
    if (user && (proc = (pDestroyIcon32Proc)GetProcAddress( user, "DestroyIcon32" )))
        return proc( handle, 1 /*CID_RESOURCE*/ );
    else
        return GlobalFree16( handle );
}