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/*
* Implementation of VERSION.DLL - Version Info access
*
* Copyright 1996,1997 Marcus Meissner
* Copyright 1997 David Cuthbert
* Copyright 1999 Ulrich Weigand
*
* 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
*
* TODO
* o Verify VerQueryValue()
*/
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "winver.h"
#include "winternl.h"
#include "wine/winuser16.h"
#include "wine/unicode.h"
#include "winerror.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(ver);
/******************************************************************************
*
* This function will print via dprintf[_]ver to stddeb debug info regarding
* the file info structure vffi.
* 15-Feb-1998 Dimitrie Paun (dimi@cs.toronto.edu)
* Added this function to clean up the code.
*
*****************************************************************************/
static void print_vffi_debug(VS_FIXEDFILEINFO *vffi)
{
TRACE(" structversion=%u.%u, fileversion=%u.%u.%u.%u, productversion=%u.%u.%u.%u, flagmask=0x%lx, flags=%s%s%s%s%s%s\n",
HIWORD(vffi->dwStrucVersion),LOWORD(vffi->dwStrucVersion),
HIWORD(vffi->dwFileVersionMS),LOWORD(vffi->dwFileVersionMS),
HIWORD(vffi->dwFileVersionLS),LOWORD(vffi->dwFileVersionLS),
HIWORD(vffi->dwProductVersionMS),LOWORD(vffi->dwProductVersionMS),
HIWORD(vffi->dwProductVersionLS),LOWORD(vffi->dwProductVersionLS),
vffi->dwFileFlagsMask,
(vffi->dwFileFlags & VS_FF_DEBUG) ? "DEBUG," : "",
(vffi->dwFileFlags & VS_FF_PRERELEASE) ? "PRERELEASE," : "",
(vffi->dwFileFlags & VS_FF_PATCHED) ? "PATCHED," : "",
(vffi->dwFileFlags & VS_FF_PRIVATEBUILD) ? "PRIVATEBUILD," : "",
(vffi->dwFileFlags & VS_FF_INFOINFERRED) ? "INFOINFERRED," : "",
(vffi->dwFileFlags & VS_FF_SPECIALBUILD) ? "SPECIALBUILD," : ""
);
TRACE("(");
TRACE(" OS=0x%x.0x%x ",
HIWORD(vffi->dwFileOS),
LOWORD(vffi->dwFileOS)
);
switch (vffi->dwFileOS&0xFFFF0000) {
case VOS_DOS:TRACE("DOS,");break;
case VOS_OS216:TRACE("OS/2-16,");break;
case VOS_OS232:TRACE("OS/2-32,");break;
case VOS_NT:TRACE("NT,");break;
case VOS_UNKNOWN:
default:
TRACE("UNKNOWN(0x%lx),",vffi->dwFileOS&0xFFFF0000);break;
}
switch (LOWORD(vffi->dwFileOS)) {
case VOS__BASE:TRACE("BASE");break;
case VOS__WINDOWS16:TRACE("WIN16");break;
case VOS__WINDOWS32:TRACE("WIN32");break;
case VOS__PM16:TRACE("PM16");break;
case VOS__PM32:TRACE("PM32");break;
default:TRACE("UNKNOWN(0x%x)",LOWORD(vffi->dwFileOS));break;
}
TRACE(")\n");
switch (vffi->dwFileType) {
default:
case VFT_UNKNOWN:
TRACE("filetype=Unknown(0x%lx)",vffi->dwFileType);
break;
case VFT_APP:TRACE("filetype=APP,");break;
case VFT_DLL:TRACE("filetype=DLL,");break;
case VFT_DRV:
TRACE("filetype=DRV,");
switch(vffi->dwFileSubtype) {
default:
case VFT2_UNKNOWN:
TRACE("UNKNOWN(0x%lx)",vffi->dwFileSubtype);
break;
case VFT2_DRV_PRINTER:
TRACE("PRINTER");
break;
case VFT2_DRV_KEYBOARD:
TRACE("KEYBOARD");
break;
case VFT2_DRV_LANGUAGE:
TRACE("LANGUAGE");
break;
case VFT2_DRV_DISPLAY:
TRACE("DISPLAY");
break;
case VFT2_DRV_MOUSE:
TRACE("MOUSE");
break;
case VFT2_DRV_NETWORK:
TRACE("NETWORK");
break;
case VFT2_DRV_SYSTEM:
TRACE("SYSTEM");
break;
case VFT2_DRV_INSTALLABLE:
TRACE("INSTALLABLE");
break;
case VFT2_DRV_SOUND:
TRACE("SOUND");
break;
case VFT2_DRV_COMM:
TRACE("COMM");
break;
case VFT2_DRV_INPUTMETHOD:
TRACE("INPUTMETHOD");
break;
}
break;
case VFT_FONT:
TRACE("filetype=FONT.");
switch (vffi->dwFileSubtype) {
default:
TRACE("UNKNOWN(0x%lx)",vffi->dwFileSubtype);
break;
case VFT2_FONT_RASTER:TRACE("RASTER");break;
case VFT2_FONT_VECTOR:TRACE("VECTOR");break;
case VFT2_FONT_TRUETYPE:TRACE("TRUETYPE");break;
}
break;
case VFT_VXD:TRACE("filetype=VXD");break;
case VFT_STATIC_LIB:TRACE("filetype=STATIC_LIB");break;
}
TRACE("\n");
TRACE(" filedata=0x%lx.0x%lx\n",
vffi->dwFileDateMS,vffi->dwFileDateLS);
}
/***********************************************************************
* Version Info Structure
*/
typedef struct
{
WORD wLength;
WORD wValueLength;
CHAR szKey[1];
#if 0 /* variable length structure */
/* DWORD aligned */
BYTE Value[];
/* DWORD aligned */
VS_VERSION_INFO_STRUCT16 Children[];
#endif
} VS_VERSION_INFO_STRUCT16;
typedef struct
{
WORD wLength;
WORD wValueLength;
WORD bText;
WCHAR szKey[1];
#if 0 /* variable length structure */
/* DWORD aligned */
BYTE Value[];
/* DWORD aligned */
VS_VERSION_INFO_STRUCT32 Children[];
#endif
} VS_VERSION_INFO_STRUCT32;
#define VersionInfoIs16( ver ) \
( ((VS_VERSION_INFO_STRUCT16 *)ver)->szKey[0] >= ' ' )
#define DWORD_ALIGN( base, ptr ) \
( (LPBYTE)(base) + ((((LPBYTE)(ptr) - (LPBYTE)(base)) + 3) & ~3) )
#define VersionInfo16_Value( ver ) \
DWORD_ALIGN( (ver), (ver)->szKey + strlen((ver)->szKey) + 1 )
#define VersionInfo32_Value( ver ) \
DWORD_ALIGN( (ver), (ver)->szKey + strlenW((ver)->szKey) + 1 )
#define VersionInfo16_Children( ver ) \
(VS_VERSION_INFO_STRUCT16 *)( VersionInfo16_Value( ver ) + \
( ( (ver)->wValueLength + 3 ) & ~3 ) )
#define VersionInfo32_Children( ver ) \
(VS_VERSION_INFO_STRUCT32 *)( VersionInfo32_Value( ver ) + \
( ( (ver)->wValueLength * \
((ver)->bText? 2 : 1) + 3 ) & ~3 ) )
#define VersionInfo16_Next( ver ) \
(VS_VERSION_INFO_STRUCT16 *)( (LPBYTE)ver + (((ver)->wLength + 3) & ~3) )
#define VersionInfo32_Next( ver ) \
(VS_VERSION_INFO_STRUCT32 *)( (LPBYTE)ver + (((ver)->wLength + 3) & ~3) )
/***********************************************************************
* ConvertVersionInfo32To16 [internal]
*/
void ConvertVersionInfo32To16( VS_VERSION_INFO_STRUCT32 *info32,
VS_VERSION_INFO_STRUCT16 *info16 )
{
/* Copy data onto local stack to prevent overwrites */
WORD wLength = info32->wLength;
WORD wValueLength = info32->wValueLength;
WORD bText = info32->bText;
LPBYTE lpValue = VersionInfo32_Value( info32 );
VS_VERSION_INFO_STRUCT32 *child32 = VersionInfo32_Children( info32 );
VS_VERSION_INFO_STRUCT16 *child16;
TRACE("Converting %p to %p\n", info32, info16 );
TRACE("wLength %d, wValueLength %d, bText %d, value %p, child %p\n",
wLength, wValueLength, bText, lpValue, child32 );
/* Convert key */
WideCharToMultiByte( CP_ACP, 0, info32->szKey, -1, info16->szKey, 0x7fffffff, NULL, NULL );
TRACE("Copied key from %p to %p: %s\n", info32->szKey, info16->szKey,
debugstr_a(info16->szKey) );
/* Convert value */
if ( wValueLength == 0 )
{
info16->wValueLength = 0;
TRACE("No value present\n" );
}
else if ( bText )
{
info16->wValueLength = WideCharToMultiByte( CP_ACP, 0, (LPCWSTR)lpValue, -1, NULL, 0, NULL, NULL );
WideCharToMultiByte( CP_ACP, 0, (LPCWSTR)lpValue, -1,
VersionInfo16_Value( info16 ), info16->wValueLength, NULL, NULL );
TRACE("Copied value from %p to %p: %s\n", lpValue,
VersionInfo16_Value( info16 ),
debugstr_a(VersionInfo16_Value( info16 )) );
}
else
{
info16->wValueLength = wValueLength;
memmove( VersionInfo16_Value( info16 ), lpValue, wValueLength );
TRACE("Copied value from %p to %p: %d bytes\n", lpValue,
VersionInfo16_Value( info16 ), wValueLength );
}
/* Convert children */
child16 = VersionInfo16_Children( info16 );
while ( (DWORD)child32 < (DWORD)info32 + wLength && child32->wLength != 0 )
{
VS_VERSION_INFO_STRUCT32 *nextChild = VersionInfo32_Next( child32 );
ConvertVersionInfo32To16( child32, child16 );
child16 = VersionInfo16_Next( child16 );
child32 = nextChild;
}
/* Fixup length */
info16->wLength = (DWORD)child16 - (DWORD)info16;
TRACE("Finished, length is %d (%p - %p)\n",
info16->wLength, info16, child16 );
}
/***********************************************************************
* VERSION_GetFileVersionInfo_PE [internal]
*
* NOTE: returns size of the PE VERSION resource or 0xFFFFFFFF
* in the case the file is a PE module, but VERSION_INFO not found.
*/
static DWORD VERSION_GetFileVersionInfo_PE( LPCWSTR filename, DWORD datasize, LPVOID data )
{
VS_FIXEDFILEINFO *vffi;
DWORD len;
BYTE *buf;
HMODULE hModule;
HRSRC hRsrc;
HGLOBAL hMem;
TRACE("%s\n", debugstr_w(filename));
hModule = GetModuleHandleW(filename);
if(!hModule)
hModule = LoadLibraryExW(filename, 0, LOAD_LIBRARY_AS_DATAFILE);
else
hModule = LoadLibraryExW(filename, 0, 0);
if(!hModule)
{
WARN("Could not load %s\n", debugstr_w(filename));
return 0;
}
hRsrc = FindResourceW(hModule,
MAKEINTRESOURCEW(VS_VERSION_INFO),
MAKEINTRESOURCEW(VS_FILE_INFO));
if(!hRsrc)
{
WARN("Could not find VS_VERSION_INFO in %s\n", debugstr_w(filename));
FreeLibrary(hModule);
return 0xFFFFFFFF;
}
len = SizeofResource(hModule, hRsrc);
hMem = LoadResource(hModule, hRsrc);
if(!hMem)
{
WARN("Could not load VS_VERSION_INFO from %s\n", debugstr_w(filename));
FreeLibrary(hModule);
return 0xFFFFFFFF;
}
buf = LockResource(hMem);
vffi = (VS_FIXEDFILEINFO *)VersionInfo32_Value( (VS_VERSION_INFO_STRUCT32 *)buf );
if ( vffi->dwSignature != VS_FFI_SIGNATURE )
{
WARN("vffi->dwSignature is 0x%08lx, but not 0x%08lx!\n",
vffi->dwSignature, VS_FFI_SIGNATURE );
len = 0xFFFFFFFF;
goto END;
}
if ( TRACE_ON(ver) )
print_vffi_debug( vffi );
if(data)
{
if(datasize < len)
len = datasize; /* truncate data */
if(len)
memcpy(data, buf, len);
else
len = 0xFFFFFFFF;
}
END:
FreeResource(hMem);
FreeLibrary(hModule);
return len;
}
/***********************************************************************
* VERSION_GetFileVersionInfo_16 [internal]
*
* NOTE: returns size of the 16-bit VERSION resource or 0xFFFFFFFF
* in the case the file exists, but VERSION_INFO not found.
*/
static DWORD VERSION_GetFileVersionInfo_16( LPCSTR filename, DWORD datasize, LPVOID data )
{
VS_FIXEDFILEINFO *vffi;
DWORD len, offset;
BYTE *buf;
HMODULE16 hModule;
HRSRC16 hRsrc;
HGLOBAL16 hMem;
char dllname[20], owner[20], *p;
const char *basename;
BOOL is_builtin = FALSE;
TRACE("%s\n", debugstr_a(filename));
/* strip path information */
basename = filename;
if (basename[0] && basename[1] == ':') basename += 2; /* strip drive specification */
if ((p = strrchr( basename, '\\' ))) basename = p + 1;
if ((p = strrchr( basename, '/' ))) basename = p + 1;
if (strlen(basename) < sizeof(dllname)-4)
{
int file_exists;
strcpy( dllname, basename );
p = strrchr( dllname, '.' );
if (!p) strcat( dllname, ".dll" );
for (p = dllname; *p; p++) if (*p >= 'A' && *p <= 'Z') *p += 32;
if (wine_dll_get_owner( dllname, owner, sizeof(owner), &file_exists ) == 0)
is_builtin = TRUE;
}
/* first try without loading a 16-bit module */
if (is_builtin)
len = 0;
else
len = GetFileResourceSize16( filename,
MAKEINTRESOURCEA(VS_FILE_INFO),
MAKEINTRESOURCEA(VS_VERSION_INFO),
&offset );
if (len)
{
if (!data) return len;
len = GetFileResource16( filename,
MAKEINTRESOURCEA(VS_FILE_INFO),
MAKEINTRESOURCEA(VS_VERSION_INFO),
offset, datasize, data );
if (len)
{
if ( VersionInfoIs16( data ) )
vffi = (VS_FIXEDFILEINFO *)VersionInfo16_Value( (VS_VERSION_INFO_STRUCT16 *)data );
else
vffi = (VS_FIXEDFILEINFO *)VersionInfo32_Value( (VS_VERSION_INFO_STRUCT32 *)data );
if ( vffi->dwSignature == VS_FFI_SIGNATURE )
{
if ( ((VS_VERSION_INFO_STRUCT16 *)data)->wLength < len )
len = ((VS_VERSION_INFO_STRUCT16 *)data)->wLength;
if ( TRACE_ON(ver) )
print_vffi_debug( vffi );
if ( datasize >= sizeof(VS_VERSION_INFO_STRUCT16)
&& datasize >= ((VS_VERSION_INFO_STRUCT16 *)data)->wLength
&& !VersionInfoIs16( data ) )
{
/* convert resource from PE format to NE format */
ConvertVersionInfo32To16( (VS_VERSION_INFO_STRUCT32 *)data,
(VS_VERSION_INFO_STRUCT16 *)data );
}
return len;
}
}
}
/* this might be a builtin 16-bit module */
hModule = LoadLibrary16(filename);
if(hModule < 32)
{
WARN("Could not load %s\n", debugstr_a(filename));
return 0;
}
hRsrc = FindResource16(hModule,
MAKEINTRESOURCEA(VS_VERSION_INFO),
MAKEINTRESOURCEA(VS_FILE_INFO));
if(!hRsrc)
{
WARN("Could not find VS_VERSION_INFO in %s\n", debugstr_a(filename));
FreeLibrary16(hModule);
return 0xFFFFFFFF;
}
len = SizeofResource16(hModule, hRsrc);
hMem = LoadResource16(hModule, hRsrc);
if(!hMem)
{
WARN("Could not load VS_VERSION_INFO from %s\n", debugstr_a(filename));
FreeLibrary16(hModule);
return 0xFFFFFFFF;
}
buf = LockResource16(hMem);
if(!VersionInfoIs16(buf))
{
len = 0xFFFFFFFF;
goto END;
}
vffi = (VS_FIXEDFILEINFO *)VersionInfo16_Value( (VS_VERSION_INFO_STRUCT16 *)buf );
if ( vffi->dwSignature != VS_FFI_SIGNATURE )
{
WARN("vffi->dwSignature is 0x%08lx, but not 0x%08lx!\n",
vffi->dwSignature, VS_FFI_SIGNATURE );
len = 0xFFFFFFFF;
goto END;
}
if ( TRACE_ON(ver) )
print_vffi_debug( vffi );
if(data)
{
if(datasize < len)
len = datasize; /* truncate data */
if(len)
memcpy(data, buf, len);
else
len = 0xFFFFFFFF;
}
END:
FreeResource16(hMem);
FreeLibrary16(hModule);
return len;
}
/***********************************************************************
* GetFileVersionInfoSizeW [VERSION.@]
*/
DWORD WINAPI GetFileVersionInfoSizeW( LPCWSTR filename, LPDWORD handle )
{
DWORD len;
TRACE("(%s,%p)\n", debugstr_w(filename), handle );
if (handle) *handle = 0;
if (!filename)
{
SetLastError(ERROR_INVALID_PARAMETER);
return 0;
}
if (!*filename)
{
SetLastError(ERROR_BAD_PATHNAME);
return 0;
}
len = VERSION_GetFileVersionInfo_PE(filename, 0, NULL);
/* 0xFFFFFFFF means: file is a PE module, but VERSION_INFO not found */
if(len == 0xFFFFFFFF)
{
SetLastError(ERROR_RESOURCE_DATA_NOT_FOUND);
return 0;
}
if (!len)
{
LPSTR filenameA;
len = WideCharToMultiByte( CP_ACP, 0, filename, -1, NULL, 0, NULL, NULL );
filenameA = HeapAlloc( GetProcessHeap(), 0, len );
WideCharToMultiByte( CP_ACP, 0, filename, -1, filenameA, len, NULL, NULL );
len = VERSION_GetFileVersionInfo_16(filenameA, 0, NULL);
HeapFree( GetProcessHeap(), 0, filenameA );
/* 0xFFFFFFFF means: file exists, but VERSION_INFO not found */
if (!len)
{
SetLastError(ERROR_FILE_NOT_FOUND);
return 0;
}
if (len == 0xFFFFFFFF)
{
SetLastError(ERROR_RESOURCE_DATA_NOT_FOUND);
return 0;
}
}
SetLastError(0);
return len;
}
/***********************************************************************
* GetFileVersionInfoSizeA [VERSION.@]
*/
DWORD WINAPI GetFileVersionInfoSizeA( LPCSTR filename, LPDWORD handle )
{ UNICODE_STRING filenameW;
DWORD retval;
TRACE("(%s,%p)\n", debugstr_a(filename), handle );
if(filename) RtlCreateUnicodeStringFromAsciiz(&filenameW, filename);
else filenameW.Buffer = NULL;
retval = GetFileVersionInfoSizeW(filenameW.Buffer, handle);
RtlFreeUnicodeString(&filenameW);
return retval;
}
/***********************************************************************
* GetFileVersionInfoA [VERSION.@]
*/
BOOL WINAPI GetFileVersionInfoA( LPCSTR filename, DWORD handle,
DWORD datasize, LPVOID data )
{ UNICODE_STRING filenameW;
DWORD len;
TRACE("(%s,%ld,size=%ld,data=%p)\n",
debugstr_a(filename), handle, datasize, data );
if (!data)
{
SetLastError(ERROR_INVALID_DATA);
return FALSE;
}
if(filename) RtlCreateUnicodeStringFromAsciiz(&filenameW, filename);
else filenameW.Buffer = NULL;
len = VERSION_GetFileVersionInfo_PE(filenameW.Buffer, datasize, data);
/* 0xFFFFFFFF means: file is a PE module, but VERSION_INFO not found */
RtlFreeUnicodeString(&filenameW);
if (len == 0xFFFFFFFF)
{
SetLastError(ERROR_RESOURCE_DATA_NOT_FOUND);
return FALSE;
}
if (!len)
{
len = VERSION_GetFileVersionInfo_16(filename, datasize, data);
/* 0xFFFFFFFF means: file exists, but VERSION_INFO not found */
if (!len || len == 0xFFFFFFFF)
{
SetLastError(ERROR_RESOURCE_DATA_NOT_FOUND);
return FALSE;
}
}
/* Don't convert a possible win32 to a win16 stucture, Windows always uses win32
* for storing the structure on a unicode enabled system
*/
SetLastError(0);
return TRUE;
}
/***********************************************************************
* GetFileVersionInfoW [VERSION.@]
*/
BOOL WINAPI GetFileVersionInfoW( LPCWSTR filename, DWORD handle,
DWORD datasize, LPVOID data )
{
DWORD len;
TRACE("(%s,%ld,size=%ld,data=%p)\n",
debugstr_w(filename), handle, datasize, data );
if (!data)
{
SetLastError(ERROR_INVALID_DATA);
return FALSE;
}
len = VERSION_GetFileVersionInfo_PE(filename, datasize, data);
/* 0xFFFFFFFF means: file is a PE module, but VERSION_INFO not found */
if (len == 0xFFFFFFFF)
{
SetLastError(ERROR_RESOURCE_DATA_NOT_FOUND);
return FALSE;
}
if (!len)
{
LPSTR filenameA;
len = WideCharToMultiByte( CP_ACP, 0, filename, -1, NULL, 0, NULL, NULL );
filenameA = HeapAlloc( GetProcessHeap(), 0, len );
WideCharToMultiByte( CP_ACP, 0, filename, -1, filenameA, len, NULL, NULL );
len = VERSION_GetFileVersionInfo_16(filenameA, datasize, data);
HeapFree( GetProcessHeap(), 0, filenameA );
/* 0xFFFFFFFF means: file exists, but VERSION_INFO not found */
if (!len || len == 0xFFFFFFFF)
{
SetLastError(ERROR_RESOURCE_DATA_NOT_FOUND);
return FALSE;
}
}
if ( datasize >= sizeof(VS_VERSION_INFO_STRUCT16) &&
datasize >= ((VS_VERSION_INFO_STRUCT16 *)data)->wLength &&
VersionInfoIs16( data ) )
{
ERR("Cannot access NE resource in %s\n", debugstr_w(filename) );
SetLastError(ERROR_RESOURCE_DATA_NOT_FOUND);
return FALSE;
}
SetLastError(0);
return TRUE;
}
/***********************************************************************
* VersionInfo16_FindChild [internal]
*/
static VS_VERSION_INFO_STRUCT16 *VersionInfo16_FindChild( VS_VERSION_INFO_STRUCT16 *info,
LPCSTR szKey, UINT cbKey )
{
VS_VERSION_INFO_STRUCT16 *child = VersionInfo16_Children( info );
while ( (DWORD)child < (DWORD)info + info->wLength )
{
if ( !strncasecmp( child->szKey, szKey, cbKey ) )
return child;
if (!(child->wLength)) return NULL;
child = VersionInfo16_Next( child );
}
return NULL;
}
/***********************************************************************
* VersionInfo32_FindChild [internal]
*/
static VS_VERSION_INFO_STRUCT32 *VersionInfo32_FindChild( VS_VERSION_INFO_STRUCT32 *info,
LPCWSTR szKey, UINT cbKey )
{
VS_VERSION_INFO_STRUCT32 *child = VersionInfo32_Children( info );
while ( (DWORD)child < (DWORD)info + info->wLength )
{
if ( !strncmpiW( child->szKey, szKey, cbKey ) )
return child;
child = VersionInfo32_Next( child );
}
return NULL;
}
/***********************************************************************
* VersionInfo16_QueryValue [internal]
*
* Gets a value from a 16-bit NE resource
*/
DWORD WINAPI VersionInfo16_QueryValue( VS_VERSION_INFO_STRUCT16 *info, LPCSTR lpSubBlock,
LPVOID *lplpBuffer, UINT *puLen )
{
while ( *lpSubBlock )
{
/* Find next path component */
LPCSTR lpNextSlash;
for ( lpNextSlash = lpSubBlock; *lpNextSlash; lpNextSlash++ )
if ( *lpNextSlash == '\\' )
break;
/* Skip empty components */
if ( lpNextSlash == lpSubBlock )
{
lpSubBlock++;
continue;
}
/* We have a non-empty component: search info for key */
info = VersionInfo16_FindChild( info, lpSubBlock, lpNextSlash-lpSubBlock );
if ( !info ) return FALSE;
/* Skip path component */
lpSubBlock = lpNextSlash;
}
/* Return value */
*lplpBuffer = VersionInfo16_Value( info );
if (puLen)
*puLen = info->wValueLength;
return TRUE;
}
/***********************************************************************
* VerQueryValueA [VERSION.@]
*/
DWORD WINAPI VerQueryValueA( LPVOID pBlock, LPCSTR lpSubBlock,
LPVOID *lplpBuffer, UINT *puLen )
{
VS_VERSION_INFO_STRUCT16 *info = (VS_VERSION_INFO_STRUCT16 *)pBlock;
TRACE("(%p,%s,%p,%p)\n",
pBlock, debugstr_a(lpSubBlock), lplpBuffer, puLen );
if ( !VersionInfoIs16( info ) )
{
/* FIXME : The conversion is maybe a bit overkill, we only need 1 value */
ConvertVersionInfo32To16( (VS_VERSION_INFO_STRUCT32 *)info,
(VS_VERSION_INFO_STRUCT16 *)info );
}
return VersionInfo16_QueryValue(info, lpSubBlock, lplpBuffer, puLen);
}
/***********************************************************************
* VerQueryValueW [VERSION.@]
*/
DWORD WINAPI VerQueryValueW( LPVOID pBlock, LPCWSTR lpSubBlock,
LPVOID *lplpBuffer, UINT *puLen )
{
VS_VERSION_INFO_STRUCT32 *info = (VS_VERSION_INFO_STRUCT32 *)pBlock;
TRACE("(%p,%s,%p,%p)\n",
pBlock, debugstr_w(lpSubBlock), lplpBuffer, puLen );
if ( VersionInfoIs16( info ) )
{
DWORD ret;
int len = WideCharToMultiByte(CP_ACP, 0, lpSubBlock, -1, NULL, 0, NULL, NULL);
LPSTR lpSubBlockA = HeapAlloc(GetProcessHeap(), 0, len * sizeof(char));
if (!lpSubBlockA)
return FALSE;
WideCharToMultiByte(CP_ACP, 0, lpSubBlock, -1, lpSubBlockA, len, NULL, NULL);
ret = VersionInfo16_QueryValue(pBlock, lpSubBlockA, lplpBuffer, puLen);
HeapFree(GetProcessHeap(), 0, lpSubBlockA);
return ret;
}
while ( *lpSubBlock )
{
/* Find next path component */
LPCWSTR lpNextSlash;
for ( lpNextSlash = lpSubBlock; *lpNextSlash; lpNextSlash++ )
if ( *lpNextSlash == '\\' )
break;
/* Skip empty components */
if ( lpNextSlash == lpSubBlock )
{
lpSubBlock++;
continue;
}
/* We have a non-empty component: search info for key */
info = VersionInfo32_FindChild( info, lpSubBlock, lpNextSlash-lpSubBlock );
if ( !info ) return FALSE;
/* Skip path component */
lpSubBlock = lpNextSlash;
}
/* Return value */
*lplpBuffer = VersionInfo32_Value( info );
if (puLen)
*puLen = info->wValueLength;
return TRUE;
}
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