517 lines
15 KiB
C
517 lines
15 KiB
C
/*
|
|
* NE resource functions
|
|
*
|
|
* Copyright 1993 Robert J. Amstadt
|
|
* Copyright 1995 Alexandre Julliard
|
|
* Copyright 1997 Alex Korobka
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
#include <unistd.h>
|
|
#include "windows.h"
|
|
#include "global.h"
|
|
#include "ldt.h"
|
|
#include "module.h"
|
|
#include "neexe.h"
|
|
#include "resource.h"
|
|
#include "callback.h"
|
|
#include "debug.h"
|
|
|
|
#define NEXT_TYPEINFO(pTypeInfo) ((NE_TYPEINFO *)((char*)((pTypeInfo) + 1) + \
|
|
(pTypeInfo)->count * sizeof(NE_NAMEINFO)))
|
|
|
|
/***********************************************************************
|
|
* 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 )
|
|
{
|
|
NE_TYPEINFO *pTypeInfo = (NE_TYPEINFO *)((char *)pModule + pModule->res_table + 2);
|
|
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(resource, "NameTable entry: type=%04x id=%04x\n",
|
|
pTypeInfo->type_id, pNameInfo->id );
|
|
handle = LoadResource16( pModule->self,
|
|
(HRSRC16)((int)pNameInfo - (int)pModule) );
|
|
for(p = (WORD*)LockResource16(handle); p && *p; p = (WORD *)((char*)p+*p))
|
|
{
|
|
TRACE(resource," 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 (lstrcmpi32A( 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 (lstrcmpi32A( resId,
|
|
(char*)(p+3)+strlen((char*)(p+3))+1 )) continue;
|
|
|
|
}
|
|
else if (HIWORD(resId) || (((DWORD)resId & ~0x8000) != p[2]))
|
|
continue;
|
|
|
|
/* If we get here, we've found the entry */
|
|
|
|
TRACE(resource, " 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.
|
|
*/
|
|
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;
|
|
if ((*p == len) && !lstrncmpi32A( p+1, str, len ))
|
|
{
|
|
TRACE(resource, " Found type '%s'\n", str );
|
|
return pTypeInfo;
|
|
}
|
|
}
|
|
TRACE(resource, " 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(resource, " Found type %04x\n", id );
|
|
return pTypeInfo;
|
|
}
|
|
TRACE(resource, " 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.
|
|
*/
|
|
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;
|
|
if ((*p == len) && !lstrncmpi32A( p+1, str, len ))
|
|
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;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* NE_DefResourceHandler
|
|
*
|
|
* This is the default LoadProc() function.
|
|
*/
|
|
HGLOBAL16 WINAPI NE_DefResourceHandler( HGLOBAL16 hMemObj, HMODULE16 hModule,
|
|
HRSRC16 hRsrc )
|
|
{
|
|
HANDLE32 fd;
|
|
NE_MODULE* pModule = NE_GetPtr( hModule );
|
|
if (pModule && (fd = NE_OpenFile( pModule )) >= 0)
|
|
{
|
|
HGLOBAL16 handle;
|
|
WORD sizeShift = *(WORD *)((char *)pModule + pModule->res_table);
|
|
NE_NAMEINFO* pNameInfo = (NE_NAMEINFO*)((char*)pModule + hRsrc);
|
|
|
|
TRACE(resource, "loading, pos=%d, len=%d\n",
|
|
(int)pNameInfo->offset << sizeShift,
|
|
(int)pNameInfo->length << sizeShift );
|
|
if( hMemObj )
|
|
handle = GlobalReAlloc16( hMemObj, pNameInfo->length << sizeShift, 0 );
|
|
else
|
|
handle = AllocResource( hModule, hRsrc, 0 );
|
|
|
|
if( handle )
|
|
{
|
|
DWORD res;
|
|
SetFilePointer( fd, (int)pNameInfo->offset << sizeShift, NULL, SEEK_SET );
|
|
ReadFile( fd, GlobalLock16( handle ), (int)pNameInfo->length << sizeShift,
|
|
&res, NULL );
|
|
}
|
|
return handle;
|
|
}
|
|
return (HGLOBAL16)0;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* NE_InitResourceHandler
|
|
*
|
|
* Fill in 'resloader' fields in the resource table.
|
|
*/
|
|
BOOL32 NE_InitResourceHandler( HMODULE16 hModule )
|
|
{
|
|
NE_MODULE *pModule = NE_GetPtr( hModule );
|
|
NE_TYPEINFO *pTypeInfo = (NE_TYPEINFO *)((char *)pModule + pModule->res_table + 2);
|
|
|
|
FARPROC16 handler = MODULE_GetWndProcEntry16("DefResourceHandler");
|
|
|
|
TRACE(resource,"InitResourceHandler[%04x]\n", hModule );
|
|
|
|
while(pTypeInfo->type_id)
|
|
{
|
|
pTypeInfo->resloader = handler;
|
|
pTypeInfo = NEXT_TYPEINFO(pTypeInfo);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* SetResourceHandler (KERNEL.43)
|
|
*/
|
|
FARPROC16 WINAPI SetResourceHandler( HMODULE16 hModule, SEGPTR typeId,
|
|
FARPROC16 resourceHandler )
|
|
{
|
|
FARPROC16 prevHandler = NULL;
|
|
NE_MODULE *pModule = NE_GetPtr( hModule );
|
|
LPBYTE pResTab = (LPBYTE)pModule + pModule->res_table;
|
|
NE_TYPEINFO *pTypeInfo = (NE_TYPEINFO *)(pResTab + 2);
|
|
|
|
if (!pModule || !pModule->res_table) return NULL;
|
|
|
|
TRACE( resource, "module=%04x type=%s\n",
|
|
hModule, debugres_a(PTR_SEG_TO_LIN(typeId)) );
|
|
|
|
for (;;)
|
|
{
|
|
if (!(pTypeInfo = NE_FindTypeSection( pResTab, pTypeInfo, PTR_SEG_TO_LIN(typeId) )))
|
|
break;
|
|
prevHandler = pTypeInfo->resloader;
|
|
pTypeInfo->resloader = resourceHandler;
|
|
pTypeInfo = NEXT_TYPEINFO(pTypeInfo);
|
|
}
|
|
return prevHandler;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* NE_FindResource
|
|
*/
|
|
HRSRC16 NE_FindResource( NE_MODULE *pModule, LPCSTR name, LPCSTR type )
|
|
{
|
|
NE_TYPEINFO *pTypeInfo;
|
|
NE_NAMEINFO *pNameInfo;
|
|
LPBYTE pResTab;
|
|
|
|
if (!pModule || !pModule->res_table) return 0;
|
|
|
|
TRACE( resource, "module=%04x name=%s type=%s\n",
|
|
pModule->self, debugres_a(PTR_SEG_TO_LIN(name)),
|
|
debugres_a(PTR_SEG_TO_LIN(type)) );
|
|
|
|
if (HIWORD(name)) /* Check for '#xxx' name */
|
|
{
|
|
LPCSTR ptr = name;
|
|
if (ptr[0] == '#')
|
|
if (!(name = (LPCSTR)atoi( ptr + 1 )))
|
|
{
|
|
WARN(resource, "Incorrect resource name: %s\n", ptr);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if (HIWORD(type)) /* Check for '#xxx' type */
|
|
{
|
|
LPCSTR ptr = type;
|
|
if (ptr[0] == '#')
|
|
if (!(type = (LPCSTR)atoi( ptr + 1 )))
|
|
{
|
|
WARN(resource, "Incorrect resource type: %s\n", ptr);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if (HIWORD(type) || HIWORD(name))
|
|
{
|
|
DWORD id = NE_FindNameTableId( pModule, type, name );
|
|
if (id) /* found */
|
|
{
|
|
type = (LPCSTR)(int)LOWORD(id);
|
|
name = (LPCSTR)(int)HIWORD(id);
|
|
}
|
|
}
|
|
|
|
pResTab = (LPBYTE)pModule + pModule->res_table;
|
|
pTypeInfo = (NE_TYPEINFO *)( pResTab + 2 );
|
|
|
|
for (;;)
|
|
{
|
|
if (!(pTypeInfo = NE_FindTypeSection( pResTab, pTypeInfo, type )))
|
|
break;
|
|
if ((pNameInfo = NE_FindResourceFromType( pResTab, pTypeInfo, name )))
|
|
{
|
|
TRACE(resource, " Found id %08lx\n", (DWORD)name );
|
|
return (HRSRC16)( (int)pNameInfo - (int)pModule );
|
|
}
|
|
TRACE(resource, " Not found, going on\n" );
|
|
pTypeInfo = NEXT_TYPEINFO(pTypeInfo);
|
|
}
|
|
|
|
WARN(resource, "failed!\n");
|
|
return 0;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* AllocResource (KERNEL.66)
|
|
*/
|
|
HGLOBAL16 WINAPI AllocResource( HMODULE16 hModule, HRSRC16 hRsrc, DWORD size)
|
|
{
|
|
NE_NAMEINFO *pNameInfo=NULL;
|
|
WORD sizeShift;
|
|
|
|
NE_MODULE *pModule = NE_GetPtr( hModule );
|
|
if (!pModule || !pModule->res_table || !hRsrc) return 0;
|
|
|
|
TRACE( resource, "module=%04x res=%04x size=%ld\n", hModule, hRsrc, size );
|
|
|
|
sizeShift = *(WORD *)((char *)pModule + pModule->res_table);
|
|
pNameInfo = (NE_NAMEINFO*)((char*)pModule + hRsrc);
|
|
if (size < (DWORD)pNameInfo->length << sizeShift)
|
|
size = (DWORD)pNameInfo->length << sizeShift;
|
|
return GLOBAL_Alloc( GMEM_FIXED, size, hModule, FALSE, FALSE, FALSE );
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* DirectResAlloc (KERNEL.168)
|
|
*
|
|
* Check Schulman, p. 232 for details
|
|
*/
|
|
HGLOBAL16 WINAPI DirectResAlloc( HINSTANCE16 hInstance, WORD wType,
|
|
UINT16 wSize )
|
|
{
|
|
TRACE(resource,"(%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(resource, "(wType=%x)\n", wType);
|
|
return GLOBAL_Alloc(GMEM_MOVEABLE, wSize, hInstance, FALSE, FALSE, FALSE);
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* NE_AccessResource
|
|
*/
|
|
INT16 NE_AccessResource( NE_MODULE *pModule, HRSRC16 hRsrc )
|
|
{
|
|
HFILE16 fd;
|
|
|
|
if (!pModule || !pModule->res_table || !hRsrc) return -1;
|
|
|
|
TRACE(resource, "module=%04x res=%04x\n", pModule->self, hRsrc );
|
|
|
|
if ((fd = _lopen16( NE_MODULE_NAME(pModule), OF_READ )) != HFILE_ERROR16)
|
|
{
|
|
WORD sizeShift = *(WORD *)((char *)pModule + pModule->res_table);
|
|
NE_NAMEINFO *pNameInfo = (NE_NAMEINFO*)((char*)pModule + hRsrc);
|
|
_llseek16( fd, (int)pNameInfo->offset << sizeShift, SEEK_SET );
|
|
}
|
|
return fd;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* NE_SizeofResource
|
|
*/
|
|
DWORD NE_SizeofResource( NE_MODULE *pModule, HRSRC16 hRsrc )
|
|
{
|
|
NE_NAMEINFO *pNameInfo=NULL;
|
|
WORD sizeShift;
|
|
|
|
if (!pModule || !pModule->res_table) return 0;
|
|
|
|
TRACE(resource, "module=%04x res=%04x\n", pModule->self, hRsrc );
|
|
|
|
sizeShift = *(WORD *)((char *)pModule + pModule->res_table);
|
|
pNameInfo = (NE_NAMEINFO*)((char*)pModule + hRsrc);
|
|
return (DWORD)pNameInfo->length << sizeShift;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* NE_LoadResource
|
|
*/
|
|
HGLOBAL16 NE_LoadResource( NE_MODULE *pModule, HRSRC16 hRsrc )
|
|
{
|
|
NE_TYPEINFO *pTypeInfo;
|
|
NE_NAMEINFO *pNameInfo = NULL;
|
|
int d;
|
|
|
|
TRACE( resource, "module=%04x res=%04x\n", pModule->self, hRsrc );
|
|
if (!hRsrc || !pModule || !pModule->res_table) return 0;
|
|
|
|
/* First, verify hRsrc (just an offset from pModule to the needed pNameInfo) */
|
|
|
|
d = pModule->res_table + 2;
|
|
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(resource, " Already loaded, new count=%d\n",
|
|
pNameInfo->usage );
|
|
}
|
|
else
|
|
{
|
|
if (pTypeInfo->resloader)
|
|
pNameInfo->handle = Callbacks->CallResourceHandlerProc(
|
|
pTypeInfo->resloader, pNameInfo->handle, pModule->self, hRsrc );
|
|
else /* this is really bad */
|
|
{
|
|
ERR(resource, "[%04x]: Missing resource handler!\n", pModule->self);
|
|
pNameInfo->handle = NE_DefResourceHandler(
|
|
pNameInfo->handle, pModule->self, hRsrc );
|
|
}
|
|
|
|
if (pNameInfo->handle)
|
|
{
|
|
pNameInfo->usage++;
|
|
pNameInfo->flags |= NE_SEGFLAGS_LOADED;
|
|
}
|
|
}
|
|
return pNameInfo->handle;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* NE_FreeResource
|
|
*/
|
|
BOOL16 NE_FreeResource( NE_MODULE *pModule, HGLOBAL16 handle )
|
|
{
|
|
NE_TYPEINFO *pTypeInfo;
|
|
NE_NAMEINFO *pNameInfo;
|
|
WORD count;
|
|
|
|
if (!handle || !pModule || !pModule->res_table) return handle;
|
|
|
|
TRACE(resource, "handle=%04x\n", handle );
|
|
|
|
pTypeInfo = (NE_TYPEINFO *)((char *)pModule + pModule->res_table + 2);
|
|
while (pTypeInfo->type_id)
|
|
{
|
|
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;
|
|
}
|
|
|
|
TRACE(resource, "[%04x]: no intrinsic resource for %04x, assuming DirectResAlloc()!\n",
|
|
pModule->self, handle );
|
|
GlobalFree16( handle );
|
|
return handle;
|
|
}
|