version: Simplify the resource loading since we always load the same type and id now.

This commit is contained in:
Alexandre Julliard 2009-10-01 13:58:24 +02:00
parent 3ed5986dd6
commit f6fc2dba07
2 changed files with 25 additions and 107 deletions

View File

@ -38,7 +38,7 @@
WINE_DEFAULT_DEBUG_CHANNEL(ver);
extern DWORD find_resource( HFILE lzfd, LPCSTR type, LPCSTR id, DWORD *reslen, DWORD *offset );
extern DWORD find_version_resource( HFILE lzfd, DWORD *reslen, DWORD *offset );
/******************************************************************************
*
@ -355,8 +355,7 @@ static DWORD VERSION_GetFileVersionInfo_16( LPCSTR filename, DWORD datasize, LPV
if (lzfd >= 0)
{
if (find_resource( lzfd, MAKEINTRESOURCEA(VS_FILE_INFO), MAKEINTRESOURCEA(VS_VERSION_INFO),
&len, &offset ))
if (find_version_resource( lzfd, &len, &offset ))
{
if (data)
{

View File

@ -36,6 +36,7 @@
#include "windef.h"
#include "winbase.h"
#include "lzexpand.h"
#include "winver.h"
#include "wine/unicode.h"
#include "wine/winbase16.h"
@ -88,56 +89,6 @@ static const IMAGE_RESOURCE_DIRECTORY *find_entry_default( const IMAGE_RESOURCE_
}
/**********************************************************************
* find_entry_by_name
*
* Find an entry by name in a resource directory
* Copied from loader/pe_resource.c
*/
static const IMAGE_RESOURCE_DIRECTORY *find_entry_by_name( const IMAGE_RESOURCE_DIRECTORY *dir,
LPCSTR name, const void *root )
{
const IMAGE_RESOURCE_DIRECTORY *ret = NULL;
LPWSTR nameW;
DWORD namelen;
if (!HIWORD(name)) return find_entry_by_id( dir, LOWORD(name), root );
if (name[0] == '#')
{
return find_entry_by_id( dir, atoi(name+1), root );
}
namelen = MultiByteToWideChar( CP_ACP, 0, name, -1, NULL, 0 );
if ((nameW = HeapAlloc( GetProcessHeap(), 0, namelen * sizeof(WCHAR) )))
{
const IMAGE_RESOURCE_DIRECTORY_ENTRY *entry;
const IMAGE_RESOURCE_DIR_STRING_U *str;
int min, max, res, pos;
MultiByteToWideChar( CP_ACP, 0, name, -1, nameW, namelen );
namelen--; /* remove terminating null */
entry = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1);
min = 0;
max = dir->NumberOfNamedEntries - 1;
while (min <= max)
{
pos = (min + max) / 2;
str = (const IMAGE_RESOURCE_DIR_STRING_U *)((const char *)root + entry[pos].u1.s1.NameOffset);
res = strncmpiW( nameW, str->NameString, str->Length );
if (!res && namelen == str->Length)
{
ret = (const IMAGE_RESOURCE_DIRECTORY *)((const char *)root + entry[pos].u2.s3.OffsetToDirectory);
break;
}
if (res < 0) max = pos - 1;
else min = pos + 1;
}
HeapFree( GetProcessHeap(), 0, nameW );
}
return ret;
}
/***********************************************************************
* read_xx_header [internal]
*/
@ -171,9 +122,10 @@ static int read_xx_header( HFILE lzfd )
/***********************************************************************
* find_ne_resource [internal]
*/
static BOOL find_ne_resource( HFILE lzfd, LPCSTR typeid, LPCSTR resid,
DWORD *resLen, DWORD *resOff )
static BOOL find_ne_resource( HFILE lzfd, DWORD *resLen, DWORD *resOff )
{
const WORD typeid = VS_FILE_INFO | 0x8000;
const WORD resid = VS_VERSION_INFO | 0x8000;
IMAGE_OS2_HEADER nehd;
NE_TYPEINFO *typeInfo;
NE_NAMEINFO *nameInfo;
@ -206,55 +158,23 @@ static BOOL find_ne_resource( HFILE lzfd, LPCSTR typeid, LPCSTR resid,
/* Find resource */
typeInfo = (NE_TYPEINFO *)(resTab + 2);
if (HIWORD(typeid) != 0) /* named type */
while (typeInfo->type_id)
{
BYTE len = strlen( typeid );
while (typeInfo->type_id)
{
if (!(typeInfo->type_id & 0x8000))
{
BYTE *p = resTab + typeInfo->type_id;
if ((*p == len) && !strncasecmp( (char*)p+1, typeid, len )) goto found_type;
}
typeInfo = (NE_TYPEINFO *)((char *)(typeInfo + 1) +
typeInfo->count * sizeof(NE_NAMEINFO));
}
if (typeInfo->type_id == typeid) goto found_type;
typeInfo = (NE_TYPEINFO *)((char *)(typeInfo + 1) +
typeInfo->count * sizeof(NE_NAMEINFO));
}
else /* numeric type id */
{
WORD id = LOWORD(typeid) | 0x8000;
while (typeInfo->type_id)
{
if (typeInfo->type_id == id) goto found_type;
typeInfo = (NE_TYPEINFO *)((char *)(typeInfo + 1) +
typeInfo->count * sizeof(NE_NAMEINFO));
}
}
TRACE("No typeid entry found for %p\n", typeid );
TRACE("No typeid entry found\n" );
HeapFree( GetProcessHeap(), 0, resTab );
return FALSE;
found_type:
nameInfo = (NE_NAMEINFO *)(typeInfo + 1);
if (HIWORD(resid) != 0) /* named resource */
{
BYTE len = strlen( resid );
for (count = typeInfo->count; count > 0; count--, nameInfo++)
{
BYTE *p = resTab + nameInfo->id;
if (nameInfo->id & 0x8000) continue;
if ((*p == len) && !strncasecmp( (char*)p+1, resid, len )) goto found_name;
}
}
else /* numeric resource id */
{
WORD id = LOWORD(resid) | 0x8000;
for (count = typeInfo->count; count > 0; count--, nameInfo++)
if (nameInfo->id == id) goto found_name;
}
TRACE("No resid entry found for %p\n", typeid );
for (count = typeInfo->count; count > 0; count--, nameInfo++)
if (nameInfo->id == resid) goto found_name;
TRACE("No resid entry found\n" );
HeapFree( GetProcessHeap(), 0, resTab );
return FALSE;
@ -270,8 +190,7 @@ static BOOL find_ne_resource( HFILE lzfd, LPCSTR typeid, LPCSTR resid,
/***********************************************************************
* find_pe_resource [internal]
*/
static BOOL find_pe_resource( HFILE lzfd, LPCSTR typeid, LPCSTR resid,
DWORD *resLen, DWORD *resOff )
static BOOL find_pe_resource( HFILE lzfd, DWORD *resLen, DWORD *resOff )
{
IMAGE_NT_HEADERS pehd;
DWORD pehdoffset;
@ -344,22 +263,22 @@ static BOOL find_pe_resource( HFILE lzfd, LPCSTR typeid, LPCSTR resid,
resDir = resSection + (resDataDir->VirtualAddress - sections[i].VirtualAddress);
resPtr = resDir;
resPtr = find_entry_by_name( resPtr, typeid, resDir );
resPtr = find_entry_by_id( resPtr, VS_FILE_INFO, resDir );
if ( !resPtr )
{
TRACE("No typeid entry found for %p\n", typeid );
TRACE("No typeid entry found\n" );
goto done;
}
resPtr = find_entry_by_name( resPtr, resid, resDir );
resPtr = find_entry_by_id( resPtr, VS_VERSION_INFO, resDir );
if ( !resPtr )
{
TRACE("No resid entry found for %p\n", resid );
TRACE("No resid entry found\n" );
goto done;
}
resPtr = find_entry_default( resPtr, resDir );
if ( !resPtr )
{
TRACE("No default language entry found for %p\n", resid );
TRACE("No default language entry found\n" );
goto done;
}
@ -391,19 +310,19 @@ static BOOL find_pe_resource( HFILE lzfd, LPCSTR typeid, LPCSTR resid,
/***********************************************************************
* find_resource [internal]
* find_version_resource [internal]
*/
DWORD find_resource( HFILE lzfd, LPCSTR type, LPCSTR id, DWORD *reslen, DWORD *offset )
DWORD find_version_resource( HFILE lzfd, DWORD *reslen, DWORD *offset )
{
DWORD magic = read_xx_header( lzfd );
switch (magic)
{
case IMAGE_OS2_SIGNATURE:
if (!find_ne_resource( lzfd, type, id, reslen, offset )) magic = 0;
if (!find_ne_resource( lzfd, reslen, offset )) magic = 0;
break;
case IMAGE_NT_SIGNATURE:
if (!find_pe_resource( lzfd, type, id, reslen, offset )) magic = 0;
if (!find_pe_resource( lzfd, reslen, offset )) magic = 0;
break;
}
return magic;