Sweden-Number/dlls/setupapi/query.c

233 lines
6.5 KiB
C
Raw Normal View History

/*
* setupapi query functions
*
* Copyright 2006 James Hawkins
*
* 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 <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "winreg.h"
#include "winver.h"
#include "setupapi.h"
#include "advpub.h"
#include "winnls.h"
#include "wine/debug.h"
#include "setupapi_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(setupapi);
/* fills the PSP_INF_INFORMATION struct fill_info is TRUE
* always returns the required size of the information
*/
static BOOL fill_inf_info(HINF inf, PSP_INF_INFORMATION buffer, DWORD size, DWORD *required)
{
LPCWSTR filename = PARSER_get_inf_filename(inf);
DWORD total_size = FIELD_OFFSET(SP_INF_INFORMATION, VersionData)
+ (lstrlenW(filename) + 1) * sizeof(WCHAR);
if (required) *required = total_size;
/* FIXME: we need to parse the INF file to find the correct version info */
if (buffer)
{
if (size < total_size)
{
SetLastError(ERROR_INSUFFICIENT_BUFFER);
return FALSE;
}
buffer->InfStyle = INF_STYLE_WIN4;
buffer->InfCount = 1;
/* put the filename in buffer->VersionData */
lstrcpyW((LPWSTR)&buffer->VersionData[0], filename);
}
return TRUE;
}
/***********************************************************************
* SetupGetInfInformationA (SETUPAPI.@)
*
*/
BOOL WINAPI SetupGetInfInformationA(LPCVOID InfSpec, DWORD SearchControl,
PSP_INF_INFORMATION ReturnBuffer,
DWORD ReturnBufferSize, PDWORD RequiredSize)
{
LPWSTR inf = (LPWSTR)InfSpec;
DWORD len;
BOOL ret;
if (InfSpec && SearchControl >= INFINFO_INF_NAME_IS_ABSOLUTE)
{
len = lstrlenA(InfSpec) + 1;
inf = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
MultiByteToWideChar(CP_ACP, 0, InfSpec, -1, inf, len);
}
ret = SetupGetInfInformationW(inf, SearchControl, ReturnBuffer,
ReturnBufferSize, RequiredSize);
if (SearchControl >= INFINFO_INF_NAME_IS_ABSOLUTE)
HeapFree(GetProcessHeap(), 0, inf);
return ret;
}
/***********************************************************************
* SetupGetInfInformationW (SETUPAPI.@)
*
* BUGS
* Only handles the case when InfSpec is an INF handle.
*/
BOOL WINAPI SetupGetInfInformationW(LPCVOID InfSpec, DWORD SearchControl,
PSP_INF_INFORMATION ReturnBuffer,
DWORD ReturnBufferSize, PDWORD RequiredSize)
{
HINF inf = (HINF)InfSpec;
TRACE("(%p, %ld, %p, %ld, %p)\n", InfSpec, SearchControl, ReturnBuffer,
ReturnBufferSize, RequiredSize);
if (!inf)
{
if (SearchControl == INFINFO_INF_SPEC_IS_HINF)
SetLastError(ERROR_INVALID_HANDLE);
else
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (inf == INVALID_HANDLE_VALUE)
{
SetLastError(ERROR_FILE_NOT_FOUND);
return FALSE;
}
if (SearchControl < INFINFO_INF_SPEC_IS_HINF ||
SearchControl > INFINFO_INF_PATH_LIST_SEARCH)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (SearchControl != INFINFO_INF_SPEC_IS_HINF)
{
FIXME("Unhandled search control: %ld\n", SearchControl);
if (RequiredSize)
*RequiredSize = 0;
return FALSE;
}
return fill_inf_info(inf, ReturnBuffer, ReturnBufferSize, RequiredSize);
}
/***********************************************************************
* SetupQueryInfFileInformationA (SETUPAPI.@)
*/
BOOL WINAPI SetupQueryInfFileInformationA(PSP_INF_INFORMATION InfInformation,
UINT InfIndex, PSTR ReturnBuffer,
DWORD ReturnBufferSize, PDWORD RequiredSize)
{
LPWSTR filenameW;
DWORD size;
BOOL ret;
ret = SetupQueryInfFileInformationW(InfInformation, InfIndex, NULL, 0, &size);
if (!ret)
return FALSE;
filenameW = HeapAlloc(GetProcessHeap(), 0, size * sizeof(WCHAR));
ret = SetupQueryInfFileInformationW(InfInformation, InfIndex,
filenameW, size, &size);
if (!ret)
{
HeapFree(GetProcessHeap(), 0, filenameW);
return FALSE;
}
if (RequiredSize)
*RequiredSize = size;
if (!ReturnBuffer)
{
if (ReturnBufferSize)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
return TRUE;
}
if (size > ReturnBufferSize)
{
SetLastError(ERROR_INSUFFICIENT_BUFFER);
return FALSE;
}
WideCharToMultiByte(CP_ACP, 0, filenameW, -1, ReturnBuffer, size, NULL, NULL);
HeapFree(GetProcessHeap(), 0, filenameW);
return ret;
}
/***********************************************************************
* SetupQueryInfFileInformationW (SETUPAPI.@)
*/
BOOL WINAPI SetupQueryInfFileInformationW(PSP_INF_INFORMATION InfInformation,
UINT InfIndex, PWSTR ReturnBuffer,
DWORD ReturnBufferSize, PDWORD RequiredSize)
{
DWORD len;
LPWSTR ptr;
TRACE("(%p, %u, %p, %ld, %p) Stub!\n", InfInformation, InfIndex,
ReturnBuffer, ReturnBufferSize, RequiredSize);
if (!InfInformation)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (InfIndex != 0)
FIXME("Appended INF files are not handled\n");
ptr = (LPWSTR)&InfInformation->VersionData[0];
len = lstrlenW(ptr);
if (RequiredSize)
*RequiredSize = len + 1;
if (!ReturnBuffer)
return TRUE;
if (ReturnBufferSize < len)
{
SetLastError(ERROR_INSUFFICIENT_BUFFER);
return FALSE;
}
lstrcpyW(ReturnBuffer, ptr);
return TRUE;
}