wine/dlls/kernel/resource.c
2003-04-30 00:53:23 +00:00

249 lines
8.0 KiB
C

/*
* Resources
*
* Copyright 1993 Robert J. Amstadt
* 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
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "wine/port.h"
#include "windef.h"
#include "winternl.h"
#include "winbase.h"
#include "wownt32.h"
#include "wine/winbase16.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(resource);
/* handle conversions */
#define HRSRC_32(h16) ((HRSRC)(ULONG_PTR)(h16))
#define HRSRC_16(h32) (LOWORD(h32))
#define HGLOBAL_32(h16) ((HGLOBAL)(ULONG_PTR)(h16))
#define HGLOBAL_16(h32) (LOWORD(h32))
#define HMODULE_16(h32) (LOWORD(h32))
/* retrieve the resource name to pass to the ntdll functions */
static NTSTATUS get_res_nameA( LPCSTR name, UNICODE_STRING *str )
{
if (!HIWORD(name))
{
str->Buffer = (LPWSTR)name;
return STATUS_SUCCESS;
}
if (name[0] == '#')
{
ULONG value;
if (RtlCharToInteger( name, 10, &value ) != STATUS_SUCCESS || HIWORD(value))
return STATUS_INVALID_PARAMETER;
str->Buffer = (LPWSTR)value;
return STATUS_SUCCESS;
}
RtlCreateUnicodeStringFromAsciiz( str, name );
RtlUpcaseUnicodeString( str, str, FALSE );
return STATUS_SUCCESS;
}
/* retrieve the resource name to pass to the ntdll functions */
static NTSTATUS get_res_nameW( LPCWSTR name, UNICODE_STRING *str )
{
if (!HIWORD(name))
{
str->Buffer = (LPWSTR)name;
return STATUS_SUCCESS;
}
if (name[0] == '#')
{
ULONG value;
RtlInitUnicodeString( str, name );
if (RtlUnicodeStringToInteger( str, 10, &value ) != STATUS_SUCCESS || HIWORD(value))
return STATUS_INVALID_PARAMETER;
str->Buffer = (LPWSTR)value;
return STATUS_SUCCESS;
}
RtlCreateUnicodeString( str, name );
RtlUpcaseUnicodeString( str, str, FALSE );
return STATUS_SUCCESS;
}
/**********************************************************************
* FindResourceExA (KERNEL32.@)
*/
HRSRC WINAPI FindResourceExA( HMODULE hModule, LPCSTR type, LPCSTR name, WORD lang )
{
NTSTATUS status;
UNICODE_STRING nameW, typeW;
LDR_RESOURCE_INFO info;
const IMAGE_RESOURCE_DATA_ENTRY *entry = NULL;
TRACE( "%p %s %s %04x\n", hModule, debugstr_a(type), debugstr_a(name), lang );
if (!hModule) hModule = GetModuleHandleW(0);
else if (!HIWORD(hModule))
{
return HRSRC_32( FindResource16( HMODULE_16(hModule), name, type ) );
}
nameW.Buffer = typeW.Buffer = NULL;
if ((status = get_res_nameA( name, &nameW )) != STATUS_SUCCESS) goto done;
if ((status = get_res_nameA( type, &typeW )) != STATUS_SUCCESS) goto done;
info.Type = (ULONG)typeW.Buffer;
info.Name = (ULONG)nameW.Buffer;
info.Language = lang;
status = LdrFindResource_U( hModule, &info, 3, &entry );
done:
if (HIWORD(nameW.Buffer)) HeapFree( GetProcessHeap(), 0, nameW.Buffer );
if (HIWORD(typeW.Buffer)) HeapFree( GetProcessHeap(), 0, typeW.Buffer );
if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
return (HRSRC)entry;
}
/**********************************************************************
* FindResourceA (KERNEL32.@)
*/
HRSRC WINAPI FindResourceA( HMODULE hModule, LPCSTR name, LPCSTR type )
{
return FindResourceExA( hModule, type, name, MAKELANGID( LANG_NEUTRAL, SUBLANG_NEUTRAL ) );
}
/**********************************************************************
* FindResourceExW (KERNEL32.@)
*/
HRSRC WINAPI FindResourceExW( HMODULE hModule, LPCWSTR type, LPCWSTR name, WORD lang )
{
NTSTATUS status;
UNICODE_STRING nameW, typeW;
LDR_RESOURCE_INFO info;
const IMAGE_RESOURCE_DATA_ENTRY *entry = NULL;
TRACE( "%p %s %s %04x\n", hModule, debugstr_w(type), debugstr_w(name), lang );
if (!hModule) hModule = GetModuleHandleW(0);
else if (!HIWORD(hModule))
{
LPSTR nameA, typeA;
HRSRC16 ret;
if (HIWORD(name))
{
DWORD len = WideCharToMultiByte( CP_ACP, 0, name, -1, NULL, 0, NULL, NULL );
nameA = HeapAlloc( GetProcessHeap(), 0, len );
if (nameA) WideCharToMultiByte( CP_ACP, 0, name, -1, nameA, len, NULL, NULL );
}
else nameA = (LPSTR)name;
if (HIWORD(type))
{
DWORD len = WideCharToMultiByte( CP_ACP, 0, type, -1, NULL, 0, NULL, NULL );
typeA = HeapAlloc( GetProcessHeap(), 0, len );
if (typeA) WideCharToMultiByte( CP_ACP, 0, type, -1, typeA, len, NULL, NULL );
}
else typeA = (LPSTR)type;
ret = FindResource16( HMODULE_16(hModule), nameA, typeA );
if (HIWORD(nameA)) HeapFree( GetProcessHeap(), 0, nameA );
if (HIWORD(typeA)) HeapFree( GetProcessHeap(), 0, typeA );
return HRSRC_32(ret);
}
nameW.Buffer = typeW.Buffer = NULL;
if ((status = get_res_nameW( name, &nameW )) != STATUS_SUCCESS) goto done;
if ((status = get_res_nameW( type, &typeW )) != STATUS_SUCCESS) goto done;
info.Type = (ULONG)typeW.Buffer;
info.Name = (ULONG)nameW.Buffer;
info.Language = lang;
status = LdrFindResource_U( hModule, &info, 3, &entry );
done:
if (HIWORD(nameW.Buffer)) HeapFree( GetProcessHeap(), 0, nameW.Buffer );
if (HIWORD(typeW.Buffer)) HeapFree( GetProcessHeap(), 0, typeW.Buffer );
if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
return (HRSRC)entry;
}
/**********************************************************************
* FindResourceW (KERNEL32.@)
*/
HRSRC WINAPI FindResourceW( HINSTANCE hModule, LPCWSTR name, LPCWSTR type )
{
return FindResourceExW( hModule, type, name, MAKELANGID( LANG_NEUTRAL, SUBLANG_NEUTRAL ) );
}
/**********************************************************************
* LoadResource (KERNEL32.@)
*/
HGLOBAL WINAPI LoadResource( HINSTANCE hModule, HRSRC hRsrc )
{
NTSTATUS status;
void *ret = NULL;
TRACE( "%p %p\n", hModule, hRsrc );
if (hModule && !HIWORD(hModule))
/* FIXME: should convert return to 32-bit resource */
return HGLOBAL_32( LoadResource16( HMODULE_16(hModule), HRSRC_16(hRsrc) ) );
if (!hRsrc) return 0;
if (!hModule) hModule = GetModuleHandleA( NULL );
status = LdrAccessResource( hModule, (IMAGE_RESOURCE_DATA_ENTRY *)hRsrc, &ret, NULL );
if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
return ret;
}
/**********************************************************************
* LockResource (KERNEL32.@)
*/
LPVOID WINAPI LockResource( HGLOBAL handle )
{
TRACE("(%p)\n", handle );
if (HIWORD( handle )) /* 32-bit memory handle */
return (LPVOID)handle;
/* 16-bit memory handle */
return LockResource16( HGLOBAL_16(handle) );
}
/**********************************************************************
* FreeResource (KERNEL32.@)
*/
BOOL WINAPI FreeResource( HGLOBAL handle )
{
if (HIWORD(handle)) return 0; /* 32-bit memory handle: nothing to do */
return FreeResource16( HGLOBAL_16(handle) );
}
/**********************************************************************
* SizeofResource (KERNEL32.@)
*/
DWORD WINAPI SizeofResource( HINSTANCE hModule, HRSRC hRsrc )
{
if (hModule && !HIWORD(hModule))
return SizeofResource16( HMODULE_16(hModule), HRSRC_16(hRsrc) );
if (!hRsrc) return 0;
return ((PIMAGE_RESOURCE_DATA_ENTRY)hRsrc)->Size;
}